Journal articles on the topic 'Yi shu jia'

In the 1890s Sir Henry Head discovered certain areas of the skin that develop tenderness (allodynia) in the course of visceral disease. These areas were later termed “Head zones”. In addition, he also emphasized the existence of specific points within these zones, that he called “maximum points”, a finding that seems to be almost forgotten today. We hypothesized that two important groups of acupuncture points, the diagnostically relevant Mu and Shu points, spatially and functionally coincide with these maximum points to a large extent. A comparison of Head's papers with the Huang Di Neijing (Yellow Thearch's Inner Classic) and the Zhen Jiu Jia Yi Jing (Systematic Classic of Acupuncture and Moxibustion), two of the oldest still extant Chinese sources on acupuncture, revealed astonishing parallels between the two concepts regarding both point locations and functional aspects. These findings suggest that the Chinese discovery of viscerocutaneous reflexes preceded the discovery in the West by more than 2000 years. Furthermore, the fact that Chinese medicine uses Mu and Shu points not only diagnostically but also therapeutically may give us new insights into the underlying mechanisms of acupuncture.

ABSTRACTThe late Shang represents a peak in bronze culture, and was the culmination of a long period of development. The words of the Duke of Zhou in the “Wu yi” chapter of the Shang shu that “The kings who arose after [Zu Jia], during their (whole) life enjoyed ease …. After this there were none who had any chance of reaching a high age…” is not sufficient to be relied upon. Nor is it appropriate to evaluate the entirety of Late Shang history solely on the basis of the large number of oracle bones from the reign of Wu Ding. The primary purpose of this paper is to demonstrate, through an analysis of the contents of oracle-bone inscriptions from the Middle Late Shang, i.e., from Lin Xin to Wen Wu Ding, that there was continued progress in the fields of society, economy, and culture and in the political and military affairs of the ruling house.Agriculture under the direct control of the Shang ruling house, including all sorts of agricultural activities, continued as before, and in some cases advanced beyond that of the previous age. In the area of handicrafts, metal casting, the “hundred craftsmen,” organizations of craftsmen and the official position of Director of Craftsmen all appear in the oracle bones. In terms of archaeology, the number, shape, manufacture, decoration, and inscriptions of bronze vessels reached a new plateau. The palace architecture and the geographical extent of residences at Yinxu were greatly expanded.

This paper reviews the research on the systematics and biology of the superfamily Bdelloidea in China, with an updated checklist of 48 species belonging to 16 genera in the family Cunaxidae and 26 species belonging to nine genera in the family Bdellidae. Important contributions to the Chinese fauna of the Bdellidae were made by Tseng Yi-Hsiung (Taiwan), Hong Mei (former with Fudan University in Shanghai) and Lin Jian-Zhen (and colleagues in Fujian Academy of Agricultural Sciences, Fuzhou), and those to the Cunaxidae by Tseng Yi-Hsiung, Li Long-Shu (and colleagues in Southwest University, Chongqing) and Lin Jian-Zhen (and colleagues). There have been relatively few studies on the biology and use in biological control of the Bdelloidea in China, and these are briefly reviewed.

Background: To explore the prescription rules of famous ancient physicians in the treatment of threatened miscarriage. Methods: Traditional Chinese Medicine (TCM) prescriptions for threatened miscarriage were screened out of Fu Ren Da Quan Liang Fang by Ziming Chen, Yi Zong Jin Jian by Qian Wu, and Fu Qing Zhu Nv Ke by Qingzhu Fu. Data were standardized and analyzed through the TCM inheritance auxiliary platform. Results: A total of 29 prescriptions for threatened miscarriage were screened. Dang Gui, E Jiao, Gan Cao, Chuan Xiong, Bai Shao were the top five frequently prescribed Chinese herbs. The common herb–herb combinations used by Ziming Chen contained E Jiao, Dang Gui, Chuan Xiong, Ai Ye, Cong Bai, and Sang Ji Sheng. Ren Shen, Gan Cao, and Bai Zhu were the common herbal groups used by Qingzhu Fu. Huang Qi, Shu Di Huang, Bai Shao, Dang Gui, and Gan Cao were one of Qian Wu’s core prescriptions, with Dang Gui and Chuan Xiong being the others. According to the analysis of four Qi, five flavors, and meridian tropism of the prescriptions, herbs with the warm nature, or with the sweet, pungent, bitter flavors topped the list of application. The top six meridian tropisms of high-frequency herbs were: liver, spleen, lung, kidney, heart, and stomach meridian. Conclusion: Based on the principle of restoring the balance within the organs and enriching Qi and blood, clinical treatment of threatened miscarriage involves invigorating the Chong and Ren channels, nourishing Yin, dispelling cold and wind, generating and activating blood, regulating and harmonizing Qi.

ABSTRACT(N.B. A version of this paper has now been published in Kaogu 1983.6:537-41.)Fu Hao (or Fu Zi ) appears in the oracle-bone inscriptions from Anyang. The name is often seen in Period I inscriptions (from the time of Wu Ding) and occasionally in Period IV inscriptions (from the time of Wu Yi and Wen Ding). The two are separated by four kings (Zu Geng, Zu Jia, Lin Xin, and Kang Ding), perhaps by as much as one hundred years. Does the Fu Hao in both periods refer to the same person? How can we explain this phenomenon?In the oracle-bone records of people and their activities there are cases where one figure is active in different periods. These names are often also place names, and these figures possess a populace and products. These names are probably what is termed “Clan-Territory titles” (a term found in the Gu shi kao, as quoted in the “Zheng yi” commentary to the Zuo zhuan). Based on their clan name they served hereditarily as officials. These clan names occur in historical literature, as in “In the past, our former kings were for generations Lords of Millet (Hou Ji ), serving under the Yü and Xia “(Guo yü “Zhou Yü” ); or “The Zhong and Li clans generation after generation ordered heaven and earth, … the Sima clan for generation after generation was in charge of the history of Zhou” (Shi ji, “Taishigong zixu” ).

Abstract Background: Morpho-physiological alternations of platelets provided a rationale to harness RNA sequencing of tumor-educated platelets (TEPs) for preoperative diagnosis of cancer. Timely, accurate, and non-invasive detection of ovarian cancer in women with adnexal masses presents a significant clinical challenge. Patients and Methods: This intercontinental, hospital-based, diagnostic study included 761 treatment-naïve inpatients with histologically confirmed adnexal masses and 167 healthy controls from nine medical centers (China, n=3; Netherlands, n=5; Poland, n=1) between September 2016 and May 2019. The main outcomes were the performance of TEPs and their combination with CA125 in two Chinese (VC1 and VC2) and the European (VC3) validation cohorts collectively and independently. Exploratory outcome was the value of TEPs in public pan-cancer platelet transcriptome datasets. Results: The AUCs for TEPs in the combined validation cohort, VC1, VC2, and VC3 were 0.918 (95% CI 0.889-0.948), 0.923 (0.855-0.990), 0.918 (0.872-0.963), and 0.887 (0.813-0.960), respectively. Combination of TEPs and CA125 demonstrated an AUC of 0.922 (0.889-0.955) in the combined validation cohort; 0.955 (0.912-0.997) in VC1; 0.939 (0.901-0.977) in VC2; 0.917 (0.824-1.000) in VC3. For subgroup analysis, TEPs exhibited an AUC of 0.858, 0.859, and 0.920 to detect early-stage, borderline, non-epithelial diseases and 0.899 to discriminate ovarian cancer from endometriosis. Analysis of public datasets suggested that TEPs had potential to detect multiple malignancies (Table 1). Conclusions: TEPs had robustness, compatibility, and universality for preoperative diagnosis of ovarian cancer since it withstood validations in populations of different ethnicities, heterogeneous histological subtypes, early-stage ovarian cancer as well as other malignancies. However, these observations warrant prospective validations in a larger population before clinical utilities. Table 1. Performance for TEPs in public pan-cancer datasets. Disease n Healthy Control AUC, area under the curve (95% CI) Women NSCLC (non-small-cell lung cancer) 126 77 0.758 (0.691-0.825) Breast cancer 38 77 0.817 (0.726-0.909) Colorectal cancer 18 77 0.973 (0.945-1.000) Pancreatic cancer 16 77 0.993 (0.981-1.000) Glioblastoma 10 77 0.923 (0.831-1.000) Men NSCLC 119 82 0.746 (0.677-0.815) Colorectal cancer 25 82 0.933 (0.884-0.982) Pancreatic cancer 22 82 0.993 (0.984-1.000) Glioblastoma 19 82 0.981 (0.959-1.000) All NSCLC 245 159 0.774 (0.728-0.820) Colorectal cancer 40 159 0.978 (0.961-0.996) Breast cancer 38 159 0.821 (0.736-0.906) Pancreatic cancer 35 159 0.987 (0.974-0.999) Glioblastoma 35 159 0.931 (0.890-0.972) Hepatobiliary carcinomas 14 159 0.991 (0.978-1.000) Citation Format: Yue Gao, Chun-Jie Liu, Hua-Yi Li, Xiao-Ming Xiong, Sjors G.j.g. In ‘t Veld, Gui-Ling Li, Jia-Hao Liu, Guang-Yao Cai, Gui-Yan Xie, Shao-Qing Zeng, Yuan Wu, Jian-Hua Chi, Qiong Zhang, Xiao-Fei Jiao, Lin-Li Shi, Wan-Rong Lu, Wei-Guo Lv, Xing-Sheng Yang, Jurgen M.j. Piek, Cornelis D de Kroon, C.a.r. Lok, Anna Supernat, Sylwia Łapińska-Szumczyk, Anna Łojkowska, Anna J. Żaczek, Jacek Jassem, Bakhos A. Tannous, Nik Sol, Edward Post, Myron G. Best, Bei-Hua Kong, Xing Xie, Ding Ma, Thomas Wurdinger, An-Yuan Guo, Qing-Lei Gao. Platelet RNA signature enables early and accurate detection of ovarian cancer: An intercontinental, biomarker identification study [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2022; 2022 Apr 8-13. Philadelphia (PA): AACR; Cancer Res 2022;82(12_Suppl):Abstract nr LB168.

ABSTRACT(N.B. A version of this paper has now been published in Kaogu 1983.8:716-725.)Of the bronze vessels discovered in 1976 when the Fu Hao tomb at Anyang was excavated, 190 were inscribed. The inscriptions were of 9 types. The most common, occurring on the most complete inventory of vessels, was the inscription Fu Hao (or Zi ), found on 109 vessels. The next most common was the inscription Si Tu Mu, occurring on 26 ritual bronzes, including one pair each of the square hu-jars, round jia-tripods, and round zun-beakers, one set of 11 gu-goblets, and one set of 9 jue-beakers. There was also a pair of large square zun-beakers inscribed with 4 characters, one line containing the characters Si Tu Mu, all written backwards, the other containing the character gui; including these there are 28 examples. The dating of these vessels is essentially the same as that of those vessels inscribed Fu Hao. It is very seldom that we find such a large number of vessels with the same inscription unearthed from the ritual bronze vessel horde of a single tomb. Bronzes with this inscription have been recorded since the Song dynasty and a bronze with this type of inscription was excavated from a Shang tomb at Xiaotun before liberation. There is also a bronze yue-axe with this inscription that currently exists. The study of this group of bronzes is very important.In analyzing the inscription Si (Hou) Tu Mu Gui, one possible interpretation is that Tu Mu was the cognomen (Zi )of Fu Hao; another, is that it referred to a person close to Fu Hao in position. The inscription can be explained as Tu Mu, whose day name was Gui, or Mu Gui, whose name was Tu. She may have been another queen of Wu Ding, perhaps the Mu Gui sacrificed to in the Zu Geng and Zu Jia inscriptions, i.e., the Bi Gui who was the legitimate consort of Wu Ding in the Di Yi and Di Xin cyclical sacrifice records. Assuming this hypothesis is correct, then objects belonging to consorts Bi Xin and Bi Gui of Wu Ding have already been discovered. Since the discovery of the Fu Hao tomb, some scholars have put forth the theory that Mu Wu mentioned on the large inscribed Si Mu Wu ding-tripod may be Wu Ding's consort, Bi Wu. If the conclusions reached above can be established, then ritual bronze vessels belonging to all three of Wu Ding's consorts have been discovered. This fact is significant both for the study of the Shang ritual system and of the ritual bronzes.

Abstract Background: Our previous study reported a good efficacy and safety of pyrotinib combined with trastuzumab neoadjuvant treatment in human epidermal growth factor receptor 2 (HER2)-positive breast cancer patients. We further explored the potential biomarkers for the efficacy of pyrotinib combined with trastuzumab neoadjuvant treatment in HER2-positive breast cancer patients. Methods:To date, a total of 162 patients with early-stage breast cancer were enrolled for the neoadjuvant pyrotinib combined with trastuzumab treatment clinical trial (ChiCTR1900022293). By the method of 425 genes next-generation sequencing (NGS), the genomic characteristics of them were evaluated for the potential correlation with postoperative pathological complete response (pCR). Results:. Among the cohort of 162 cases, a total of 43 patients have completed the whole therapy as well as final surgery and acquired qualified sequencing analysis report, and 25 of them achieved total pCR. The most frequently mutated driver genes were TP53 (80%), PIK3CA (46%), ERBB2 (10%), NF1 (8%), NBN (8%), ATRX (8%), respectively. In terms of somatic copy number alterations, the most frequent alterations are gain or amplification of ERBB2 (66%), MYC (24%), CKD12 (14%), CCND1 (12%) and ZNF217 (12%), respectively. The median tumor mutation burden (TMB) was 4.76 mut/Mb (0.00-29.61). Compared with pCR populations, non-pCR populations had higher median TMB but not statistically significant (5.29 vs 3.85 mut/Mb, P=0.141). In addition, the pCR rate of patients with wild-type PIK3CA is significantly higher than that of patients with mutated PIK3CA (80.0% vs 27.8%, P = 0.001), and those with amplified MYC are more likely to achieve pCR (22.2% vs 67.6%, P = 0.023). Conclusions:Preliminary results suggested that HER2-positive breast cancer patients with activating mutations in PIK3CA and amplified MYC are less likely to benefit from pyrotinib combined with trastuzumab neoadjuvant therapy, which need larger sample size to validate. Citation Format: Qiyun Shi, Juncheng Xuhong, Jia Ge, Feng Liu, Yang Lan, Yi Zhang, Luo Tao, Xiuwu BIan, Xiaowei Qi, Jun Jiang. Pik3ca mutations and myc amplification are associated with pathological complete response in human epidermal growth factor receptor 2-positive breast cancer patients receiving pyrotinib combined with trastuzumab neoadjuvant treatment [abstract]. In: Proceedings of the 2021 San Antonio Breast Cancer Symposium; 2021 Dec 7-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2022;82(4 Suppl):Abstract nr P5-13-31.

e16117 Combining radiation therapy with anti-PD-1 for patients with advanced hepatocellular carcinoma: an open-label, single-center, single-arm clinical study Jian-Xu Li, Ting-Shi Su, Xiao-Feng Lin, Yi-Tian Chen, Shi-Xiong Liang, Bang-De Xiang; Guangxi Medical University Cancer Hospital, Nanning, China Abstract Research Funding: Jiangsu Hengrui Pharmaceuticals Co., Ltd., Shanghai, China. Guangxi Medical and Health Appropriate Technology Development and Application Project (No. S2019039), Guangxi, China. Background: Based on the results of recent studies, the PD-1 monoclonal antibodies have been approved to treat the patients with advanced hepatocellular carcinoma (HCC) by the FDA. Radiation therapy (RT) can enhance responsiveness to PD-1 monoclonal antibody by potential mechanisms. A phase Ⅱa study was conducted to assess the safety and the efficacy of combining RT with anti-PD-1 for patients with advanced hepatocellular carcinoma. Methods: Patients with advanced HCC were eligible. Stereotactic body radiation therapy (SBRT) were adopted, and the dose of radiation were Dt-PGTV 30-50 Gy/10fractions. Camrelizumab (200mg) were given intravenously every 3 weeks since the first day of RT until disease progression, or intolerable toxicity. Adverse events (AEs) and objective response rate (ORR) were summarized to assess the safety and efficacy. Results: From April 2020 to November 2020, 17 patients were enrolled (median age 54, range 32-69). 15 (88%) patients were male. 14 (82%) had ECOG performance score of 0. All the patients had Child-Pugh score A. 16 patients staged as Barcelona Clinic Liver Cancer staging C or China Liver Cancer staging Ⅲ. Extrahepatic metastases were identified in 11 (65%) patients. 13 (77%) patients were Hepatitis B virus infected. 15 (88%) patients had previously 2 lines or more chemotherapy. 9 (53%) patients had Alpha-fetoprotein level≥400 ng/ml. The ORR was 47%. The best response assessed by RECIST 1.1 was partial response (8 patients). Four patients had grade 3 immune-related adverse events (irAEs), including increased aspartate aminotransferase and alanine transaminase (n =1)，decreased hemoglobin (n =1)，decreased platelet count (n =1)，decreased neutrophil count (n =1). All grade 3 irAEs were mitigated with proper treatment. None treatment-related deaths occurred. Conclusions: In this study, RT combined with anti-PD-1 had an acceptable safety profile and indicated an effective treatment option in patients with unresectable HCC. Clinical trial information: NCT04193696. Clinical trial information: NCT04193696.

Background:Donor-specific anti-HLA antibodies (DSAs) are antibodies in the recipient directed against donor class I/II HLA antigens. The existence of DSAs before allogenic hematopoietic stem cell transplantation (AHSCT) are known to cause primary graft failure. Currently there’s no established method of DSA desensitization due to the long half-life of plasma cells.Systemic lupus erythematosus (SLE) is a heterogeneous autoimmune disease involving in multiple organ systems mediated by numerous autoantibodies. Recent results have shown that depletion of B cells by CD19 CAR-T cells effectively reversed some manifestations in two SLE mouse models. However, plasma cells could be spared with single CD19 CAR-T cells, and peripheral circulating anti-DNA IgG and IgM autoantibodies remain elevated or increased in treated mice.Objectives:We present the efficacy of BCMA-CD19 compound CAR (cCAR), which target on antibody- producing “root”, both B cells and plasma cells in preclinical study and in our first-in-human phase 1 clinical trial.Methods:We constructed a BCMA-CD19 cCAR composed of a complete BCMA-CAR fused to a complete CD19 CAR, separated by a self-cleaving P2A peptide. We assessed the functional activity of cCAR in co-culture assay with multiple cell lines. We also verified cCAR efficacy with two mouse models, injected with either BCMA-expressing MM.1S cells or CD19-expressing REH cells. In our phase 1 clinical trial, we enrolled patients with hematologic malignancies with antibody mediated disorders.Results:BCMA-CD19 cCAR exhibited robust cytotoxic activity against the K562 cells engineered to express either CD19 or BCMA in co-culture assays, indicating the ability of each complete CAR domain to specifically lyse target cells. In mouse model study, cCAR-T cells were able to eliminate tumor cells in mice injected with MM.1S cells and REH cells, indicating that both BCMA and CD19 are specifically and equally lysing B cells and plasma cells in vivo, making BCMA-CD19 cCAR a candidate for clinical use.In our first-in-human clinical trial, the first case is a 48-year-old female patient having resistant B-ALL with high DSA titers. She exhibited complete remission of B-ALL at day 14 post-CAR T treatment. MFI of DSA dropped from 7800 to 1400 at 8 weeks post cCAR treatment, the reduction percentage was approximately 80% (Figure 1). The patient had no CRS, and no neurotoxicity was observed.Figure 1.1. A) MFI of DSA and other HLA antibodies before and at different time points after cCAR T infusion. B) the percent reduction post-transfusion of cCAR T cells at different time points.The second case is a 41-year-old female patient having a refractory diffuse large B cell lymphoma with bone marrow (BM) involvement. Furthermore, she has a 20 years of SLE, with manifestation of fever dependent of corticosteroids. On day 28 after cCAR treatment, PET/CT scan showed CR, and BM turned negative. In addition, she is independent of steroids, has no fever and other manifestations, C3/C4 are within normal ranges, and all the ANA dropped significantly, especially the nuclear type ANA, which turned from> 1:1000 to be negative at day 64. She had Grade 1 CRS but with no neurotoxicity observed. The absence of B cells and plasma cells persisted more than 5 months post CAR therapy.Conclusion:Our first in human clinical trial on BCMA-CD19 cCAR demonstrated profound efficacy in reducing DSA levels in an AHSCT candidate and ANA titer in a SLE patient. There was strong clinical evidence of depletion of antibody-producing roots, B-cells and plasma cells in both patients. Our results further suggested that BCMA-CD19 cCAR has the potential to benefit patients receiving solid organ transplants or those with other antibody-mediated diseases.Figure 2.Reduction of different type of ANA titer at different time points.Acknowledgments:patients and their familiesDisclosure of Interests:Fang liu: None declared, Hongyu Zhang: None declared, Xiao Wang: None declared, Jia Feng: None declared, Yuanzhen cao Employee of: Employee of iCell Gene Therapeutics LLC, Yi Su: None declared, Masayuki Wada Employee of: employee of iCell Gene Therapeutics LLC, Yu Ma Employee of: employee of iCAR Bio Therapeutics Ltd, Yupo Ma Shareholder of: shareholder of iCell Gene Therapeutics LLC

Abstract Background: KRASG12C mutation acts as an oncogenic driver and occurs in ~15% of NSCLC. D-1553 is a novel and potent small molecule inhibitor of KRASG12C. Here we present the safety, tolerability, pharmacokinetics (PK) and preliminary efficacy of D-1553 in KRASG12C mutated NSCLC. Methods: Key inclusion criteria: KRASG12C identified by molecular testing, and after progression of standard therapy. Oral daily (QD) doses of 600, 800 and 1200 mg, and twice daily (BID) doses of 400 and 600 mg were assessed in dose escalation part; 600 mg BID was assessed in dose expansion part. Endpoints included safety, PK parameters, objective response rate (ORR), disease control rate (DCR), progression-free survival (PFS) and duration of response (DOR), evaluated by RECIST 1.1. Efficacy results included 6 NSCLC pts from dose escalation part of another Phase I study of D-1553 [NCT04585035] with similar inclusion/exclusion criteria as this study. Results: As of Dec 27, 2021, 16 pts with NSCLC (15 [93.8%] male, median age 61 [range: 30-74]) were enrolled in dose escalation part and 8 pts were evaluated in dose expansion part. D-1553 was well absorbed, with a median time to reach tmax in 1-4 hours. The Cmax and AUC of each dose group tested (400 mg and 600 mg, BID) increased linearly as the dose increased. However, the changes of Cmax and AUC in 600, 800 and 1200 mg (QD) group were not dose-dependent. No DLTs had been reported in dose escalation part. 15 pts (93.8%) had treatment-related adverse events (TRAEs), most of which were grade 1-2. The most frequently reported TRAEs (frequency ≥ 15%) were elevated alanine aminotransferase, aspartate aminotransferase and conjugated bilirubin, rash, anemia, asthenia, decreased appetite, hyperuricemia, and increased γ-glutamyltransferase. Among the 28 pts (including 14 pts from dose escalation, 8 pts from dose expansion, and 6 pts with NSCLC from another D-1553 study) evaluable for tumor response, 12 pts had partial response (PR), and 14 had stable disease (SD). ORR and DCR were 42.9% (12/28) and 92.9% (26/28), respectively. Among the 11 pts in 600 mg BID group, 6 pts had PR, and 3 had SD. ORR and DCR were 54.5% (6/11,) and 81.8% (9/11), respectively. Most of the patients with PR or SD were continuing on study at the time of the data cut-off. Conclusion: D-1553 is well tolerated with no DLTs at studied doses. Early results demonstrate significant anti-tumor activity of single-agent D-1553 in pts with KRASG12C mutated NSCLC. This study is ongoing. More results will be presented at the meeting. Citation Format: Hong Jian, Zhenbo Song, Yiping Zhang, Kunyan Li, Nong Yang, Melissa Moore, Pingli Wang, Yanqiu Zhao, Yi Gong, Craig Underhill, Sang-We Kim, Cheng-Ta Yang, Ziyong Xiang, Zhe Shi, Ling Zhang, Yaolin Wang, Shun Lu. Phase I study of D-1553 to assess safety and efficacy in patients with non-small cell lung cancer (NSCLC) harboring KRASG12C mutation [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2022; 2022 Apr 8-13. Philadelphia (PA): AACR; Cancer Res 2022;82(12_Suppl):Abstract nr CT505.

BackgroundColorectal cancer is a heterogeneous disease with complicated genetic alterations. Right colon and left colon have different features while right colon cancer displays an even worse prognosis. The randomized phase III FOxTROT trial demonstrated better downstaging effect with neoadjuvant plus adjuvant chemotherapy compared with adjuvant chemotherapy alone (P=0.04).1 Moreover, 2-year relapse rate was improved with neoadjuvant therapy, though the difference was not statistically significant. The NICHE study of neoadjuvant immunotherapy (maximum 6 weeks) showed that the pathological response was observed in 20/20 mismatch repair-deficient (dMMR) resectable colon cancers, with 19 major pathological responses and 12 pathological complete responses (pCRs).2 Recently, KEYNOTE-177 study showed improved progression-free survival with PD-1 inhibitor over chemotherapy (16.5 months vs. 8.2 months) in untreated microsatellite instability-high (MSI-H)/dMMR colon cancer patients, including 68% of right colon cancers.3 In addition, camrelizumab (PD-1 inhibitor) plus apatinib (vascular endothelial growth factor receptor-2 tyrosine kinase inhibitor) demonstrated favorable antitumor effects and a manageable safety profile in advanced hepatocellular carcinoma and gastric cancer.4 5 This phase II trial aims to explore whether the combination of camrelizumab, apatinib and chemotherapy (mFOLFOX6) could significantly improve the pathological regression rate in locally advanced right colon cancer so as to bring considerable survival benefit for patients.MethodsEligible patients are aged 18–75 years, with locally advanced (T4 or T3 with extramural depth ≥5 mm, N0-2, M0, AJCC 8th) adenocarcinoma of right colon (including ileocecal area, ascending colon, and transverse colon to splenic flexion), and without prior systemic chemotherapy or immunotherapy. All patients will receive 5 cycles of camrelizumab (200 mg once every 2 weeks) plus mFOLFOX6 and 2 months of apatinib (250 mg orally once a day), followed by surgery and 7 cycles of adjuvant camrelizumab plus mFOLFOX6. The primary endpoint is the proportion of patients with tumor regression grade (TRG) 2–4 according to the Dworak criteria (TRG2: dominantly fibrotic changes with few tumor cells or groups; TRG3: very few tumor cells in fibrotic tissue; TRG4: no tumor cells). Secondary endpoints include downstaging rate, pCR rate, R0 resection rate, 2-year disease-free survival rate, 2-year event-free survival, overall survival, quality of life, and safety.ResultsTo date, three of planned 64 patients have been enrolled. Two patients have completed surgery. According to Dworak criteria, TRG ranked 4 (pathologic complete response) for the first patient and 3 (very few tumor cells in fibrotic tissue) for the second patient. No severe adverse events have been observed for all patients.Trial RegistrationThis trial has been registered at ClinicalTrials.gov (NCT04625803).ReferencesG. Foxtrot Collaborative. Feasibility of preoperative chemotherapy for locally advanced, operable colon cancer: the pilot phase of a randomised controlled trial. Lancet Oncol 13(11) (2012):1152–60.Chalabi M, Fanchi LF, Dijkstra KK, Van den Berg JG, Aalbers AG, Sikorska K, Lopez-Yurda M, Grootscholten C, Beets GL, Snaebjornsson P, Maas M, Mertz M, Veninga V, Bounova G, Broeks A, Beets-Tan RG, de Wijkerslooth TR, van Lent AU, Marsman HA, Nuijten E, Kok NF, Kuiper M, Verbeek WH, Kok M, Van Leerdam ME, Schumacher TN, Voest EE, Haanen JB. Neoadjuvant immunotherapy leads to pathological responses in MMR-proficient and MMR-deficient early-stage colon cancers. Nat Med 26(4) (2020):566–576.André T, Shiu KK, Kim TW, Jensen BV, Jensen LH, Punt C, Smith D, Garcia-Carbonero R, Benavides M, Gibbs P, de la Fouchardiere C, Rivera F, Elez E, Bendell J, Le DT, Yoshino T, Van Cutsem E, Yang P, Farooqui MZH, Marinello P, Diaz Jr LA. Pembrolizumab in microsatellite-instability-high advanced colorectal cancer. N Engl J Med 383(23) (2020):2207–2218.Xu J, Shen J, Gu S, Zhang Y, Wu L, Wu J, Shao G, Zhang Y, Xu L, Yin T, Liu J, Ren Z, Xiong J, Mao X, Zhang L, Yang J, Li L, Chen X, Wang Z, Gu K, Chen X, Pan Z, Ma K, Zhou X, Yu Z, Li E, Yin G, Zhang X, Wang S, Wang Q. Camrelizumab in combination with apatinib in patients with advanced hepatocellular carcinoma (RESCUE): a nonrandomized, open-label, phase II trial. Clin Cancer Res 27(4) (2021):1003–1011.Xu J, Shen J, Gu S, Zhang Y, Wu L, Wu J, Shao G, Zhang Y, Xu L, Yin T, Liu J, Ren Z, Xiong J, Mao X, Zhang L, Yang J, Li L, Chen X, Wang Z, Gu K, Chen X, Pan Z, Ma K, Zhou X, Yu Z, Li E, Yin G, Zhang X, Wang S, Wang Q, Xu J, Zhang Y, Jia R, Yue C, Chang L, Liu R, Zhang G, Zhao C, Zhang Y, Chen C, Wang Y, Yi X, Hu Z, Zou J, Wang Q. Camrelizumab in combination with apatinib in patients with advanced hepatocellular carcinoma (RESCUE): a nonrandomized, open-label, phase II trial anti-PD-1 antibody SHR-1210 combined with apatinib for advanced hepatocellular carcinoma, gastric, or esophagogastric junction cancer: an open-label, dose escalation and expansion study. Clin Cancer Res 27(4) (2021):1003–1011.Ethics ApprovalStudy protocol was approved by the Clinical Research Ethics Committee of the First Affiliated Hospital, College of Medicine, Zhejiang University (2020–119)ConsentWritten informed consent was obtained from the patient for publication of this abstract and any accompanying images. A copy of the written consent is available for review by the Editor of this journal.

Objetivo: Esse estudo objetivou investigar percepções de estudantes de Odontologia quanto ao medo e à ansiedade em relação ao manejo de pacientes e ao risco de infecção por COVID-19. Materiais e métodos: Esse estudo transversal envolveu todos os alunos regularmente matriculados em Odontologia, no primeiro semestre de 2020, da Universidade Federal de Pelotas. Um questionário foi aplicado, coletando dados demográficos, nível de formação e perguntas relacionadas ao medo e ansiedade frente à pandemia de COVID-19. Quatro comparações de acordo com a fase da graduação (fase pré-clínica ou clínica), nível de graduação e pós-graduação e de acordo com os sexos foram feitas. Análises independentes para as comparações entre os sexos foram realizadas para os alunos de graduação e de pós-graduação (α<5%). Resultados: Foram incluídos 408 estudantes. Na graduação, mulheres relataram sentirem-se mais ansiosas ao realizar tratamento em pacientes com suspeita de COVID-19 (54%) e sentem mais medo ao ouvir que a infecção tem causado mortes (92,4%), na pós-graduação, responderam ser mais nervosas para conversar com pacientes em ambientes fechados em comparações com homens (P<0,05). Alunos em fase pré-clínica possuem significativamente menor receio (65,5%), ansiedade (32,3%) e nervosismo (28,3%) do contágio do COVID-19 quando comparados com aqueles na fase clínica. Conclusões: Mulheres e alunos na fase clínica apresentam maior ansiedade e nervosismo. Descritores: Ansiedade; Estudantes de Odontologia; Medo; Infecções por Coronavírus. Referências Chang J, Yuan Y, Wang D. [Mental health status and its influencing factors among college students during the epidemic of COVID-19]. Nan Fang Yi Ke Da Xue Xue Bao. 2020;40(2):171-176. World Health Organization. WHO Director-General’s opening remarks at the media briefing on COVID-19- 11 March 2020. 2020. Disponível em: https://www.who.int/dg/speeches/detail/who-director-general-s-opening-remarks-at-the-media-briefing-on-covid-19---11-march-2020. Acesso em: 8 de novembro de 2020. Pascarella G, Strumia A, Piliego C, Bruno F, Del Buono R, Costa F, Scarlata S, Agrò FE. COVID-19 diagnosis and management: a comprehensive review. J Intern Med. 2020;288(2):192-206. Chen E, Lerman K, Ferrara E. Tracking Social Media Discourse About the COVID-19 Pandemic: Development of a Public Coronavirus Twitter Data Set. JMIR Public Health Surveill. 2020;6(2):e19273. Iyer P, Aziz K, Ojcius DM. Impact of COVID-19 on dental education in the United States. J Dent Educ. 2020;84(6):718-722. Meng L, Hua F, Bian Z. Coronavirus Disease 2019 (COVID-19): Emerging and Future Challenges for Dental and Oral Medicine. J Dent Res. 2020;99(5):481-487. Peng X, Xu X, Li Y, Cheng L, Zhou X, Ren B. Transmission routes of 2019-nCoV and controls in dental practice. Int J Oral Sci. 2020;12(1):9. Machado RA, Bonan PRF, Perez DEDC, Martelli Júnior H. COVID-19 pandemic and the impact on dental education: discussing current and future perspectives. Braz Oral Res. 2020;34:e083. Ataş O, Talo Yildirim T. Evaluation of knowledge, attitudes, and clinical education of dental students about COVID-19 pandemic. PeerJ. 2020;8:e9575. Deery C. The COVID-19 pandemic: implications for dental education. Evid Based Dent. 2020;21(2):46-47. Basudan S, Binanzan N, Alhassan A. Depression, anxiety and stress in dental students. Int J Med Educ. 2017;8:179-186. Elani HW, Allison PJ, Kumar RA, Mancini L, Lambrou A, Bedos C. A systematic review of stress in dental students. J Dent Educ. 2014; 78(2):226-42. Sahu P. Closure of Universities Due to Coronavirus Disease 2019 (COVID-19): Impact on Education and Mental Health of Students and Academic Staff. Cureus. 2020;12(4):e7541. Ahmed MA, Jouhar R, Ahmed N, Adnan S, Aftab M, Zafar MS, Khurshid Z. Fear and Practice Modifications among Dentists to Combat Novel Coronavirus Disease (COVID-19) Outbreak. Int J Environ Res Public Health. 2020;17(8):2821. Talevi D, Socci V, Carai M, Carnaghi G, Faleri S, Trebbi E, di Bernardo A, Capelli F, Pacitti F. Mental health outcomes of the CoViD-19 pandemic. Riv Psichiatr. 2020;55(3):137-44. Mijiritsky E, Hamama-Raz Y, Liu F, Datarkar AN, Mangani L, Caplan J, Shacham A, Kolerman R, Mijiritsky O, Ben-Ezra M, Shacham M. Subjective Overload and Psychological Distress among Dentists during COVID-19. Int J Environ Res Public Health. 2020;17:5074. Rymarowicz J, Stefura T, Major P, Szeliga J, Wallner G, Nowakowski M, Pędziwiatr M. General surgeons' attitudes towards COVID-19: A national survey during the SARS-CoV-2 virus outbreak. Eur Surg. 2020;1-6. Adams JG, Walls RM. Supporting the Health Care Workforce During the COVID-19 Global Epidemic. JAMA. 2020;323(15):1439-40. Naz N, Iqbal S, Mahmood A. Stress, anxiety and depression among the dental students of university college of medicine and dentistry Lahore; Pakistan. Pak J Med Health Sci. 2017;11(4):1277-81. Waqas A, Iftikhar A, Malik Z, Aedma KK, Meraj H, Naveed S. Association of severity of depressive symptoms with sleep quality, social support and stress among Pakistani medical and dental students: A cross-sectional study. Global Psychiatry. 2019;2(2):211-20. Wang Y, Di Y, Ye J, Wei W. Study on the public psychological states and its related factors during the outbreak of coronavirus disease 2019 (COVID-19) in some regions of China. Psychol Health Med. 2020;1-10. Xiong J, Lipsitz O, Nasri F, Lui LMW, Gill H, Phan L, Chen-Li D, Iacobucci M, Ho R, Majeed A, McIntyre RS. Impact of COVID-19 pandemic on mental health in the general population: A systematic review. J Affect Disord. 2020;277:55-64. Liu N, Zhang F, Wei C, Jia Y, Shang Z, Sun L, Wu L, Sun Z, Zhou Y, Wang Y, Liu W. Prevalence and predictors of PTSS during COVID-19 outbreak in China hardest-hit areas: Gender differences matter. Psychiatry Res. 2020;287;112921. Terán E, Mayta-Tovalino F. Risk Factors, Self-perceived Stress, and Clinical Training among Dentistry Students in Peru: A Cross-sectional Study. J Contemp Dent Pract. 2019;20(5):561-5. Uraz A, Tocak YS, Yozgatligil C, Cetiner S, Bal B. Psychological well-being, health, and stress sources in Turkish dental students. J Dent Educ. 2013:77(10):1345-55. Agius AM, Gatt G, Vento Zahra E, Busuttil A, Gainza-Cirauqui ML, Cortes ARG et al. Self-reported dental student stressors and experiences during the COVID-19 pandemic. J Dent Educ. 2020. doi: 10.1002/jdd.12409. Hu J, Zou H, Dai Y, Feng Z. How to keep students engaged in oral health education during the COVID-19 pandemic. J Dent Educ. 2020. doi: 10.1002/jdd.12420. Liu S, Yang L, Zhang C, Xiang YT, Liu Z, Hu S, Zhang B. Online mental health services in China during the COVID-19 outbreak. 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LANGUAGE NOTE | Document text in Chinese; abstract also in English. 陳喬樅、王先謙等以為賈誼生於西漢初年，其時惟有《魯詩》，是以賈生所引《詩》，必屬魯説。然而本文透過比勘賈誼《新書》與先秦兩漢典籍，發現賈生往往依據先秦文獻以申述己意，有時因襲全文，有時則自行引申，再作闡釋，與三家《詩》義無關。及後三家《詩》説有與賈生同者，非賈誼徵用三家之義，而是三家同於賈生。是以陳喬楸、王先謙所言，於推論過程而言，實在是本末倒置。本文即利用文獻比勘之法，以見賈生非用《魯詩》，而是廣徵文獻，不囿於一家之説，並略述賈誼《新書》引述文獻説《詩》之情況，從而得見賈生用《詩》之實。 According to Wang Xianqian 王先謙 and Chen Qiaozong 陳喬縱, Jia Yi 賈誼 was born in early Han Dynasty that used the Lu Shi 魯詩 (Odes of the state of Lu). The hypothesis that Jia Yi used the Lu Shi is questionable. Jia Yi was not too remote from the ancient times and was therefore not necessarily restricted to only one tradition of Shi 詩. This article will exhibit different examples of how Jia Yi used different ancient works to expound Shi, in order to show the circulation of the Shi in the early Han Dynasty and his assessment of the Shi.

International audience This paper is about two arrangements of hyperplanes. The first — the Shi arrangement — was introduced by Jian-Yi Shi to describe the Kazhdan-Lusztig cells in the affine Weyl group of type A. The second — the Ish arrangement — was recently defined by the first author who used the two arrangements together to give a new interpretation of the q,t-Catalan numbers of Garsia and Haiman. In the present paper we will define a mysterious "combinatorial symmetry'' between the two arrangements and show that this symmetry preserves a great deal of information. For example, the Shi and Ish arrangements share the same characteristic polynomial, the same numbers of regions, bounded regions, dominant regions, regions with c "ceilings'' and d "degrees of freedom'', etc. Moreover, all of these results hold in the greater generality of "deleted'' Shi and Ish arrangements corresponding to an arbitrary subgraph of the complete graph. Our proofs are based on nice combinatorial labellings of Shi and Ish regions and a new set partition-valued statistic on these regions. Cet article traite de deux arrangements d'hyperplans. Le premier — arrangement Shi — a été introduit par Jian-Yi Shi pour décrire les cellules de Kazhdan-Lusztig du groupe de Weyl affine de type A. Le deuxième — arrangement Ish — a été récemment défini par le premier auteur pour donner une nouvelle interprétation des nombres q,t-Catalan de Garsia et Haiman. Ici nous définissons une mystérieuse "symétrie combinatoire" entre les deux arrangements et nous montrons que cette symétrie conserve un grand nombre d'informations. Par exemple, les arrangements Shi et Ish ont le même polynôme caractéristique, le même nombre de régions, de régions bornées, de régions dominantes, de régions avec c "plafonds'' et d "degrés de liberté'', etc. En outre, ces résultats se généralisent aux arrangements Shi et Ish "deleted'' correspondant à un sous-graphe arbitraire du graphe complet. Nos preuves reposent sur des étiquetages combinatoires des régions Shi et Ish, et sur une nouvelle statistique associée.

LANGUAGE NOTE | Document text in Chinese; abstract also in English. 本文考訂楊伯峻《春秋左傳注》（以下簡稱《左傳注》），以《左傳》成公二年爲範圍，討論“無能爲役”“詰朝”、“朝食”、“大户”四則。經詞例分析，“無能爲役”之“役”當爲名詞，應從《左傳》襄公十七年《春秋左傳集解》（以下簡稱《集解》）釋爲“役事”，較《左傳注》解作“僕役”適洽。《左傳》四見“詰朝”，《集解》於三處釋“平旦”、一處釋“明朝”，《左傳注》解作明日早晨。本文讀“詰”爲“佶”而訓爲“正”，先秦典籍“正”字常有“平”義；至於“朝”與“旦”皆有“早”義，故“詰朝”即“平旦”。《左傳注》謂“朝食”爲早上進食，《史記》則將“朝食”寫爲“會食”。然就《左傳》載齊頃公“余姑翦滅此而朝食”語，顯是自認可在早上結束戰争，故“朝食”仍應解爲在早上進食。《集解》釋“大户”爲“閲民户口”而《左傳注》解作“清理户口”，“大户”之“大”應讀爲“汏”。《説文》謂“汏”字本義爲“淅㶕”，即後世所謂淘洗，沙汏、淘汏皆自“汏”字本義引申。從另一角度言，“淅㶕”亦有清理、計算義；且《左傳》“閲”字亦有“計算”義，故《集解》釋“大户”爲“閲民户口”即計算户籍，乃讀“大”爲“汏”。 This article examines four phrases in Yang Bojun’s Commentary on the Zuo Tradition of the Spring and Autumn Annals (hereafter Yang’s Commentary), namely “wu neng wei yi” 無能爲役, “jie chao” 詰朝, “zhao shi” 朝食, and “da hu” 大户, which are found in the second year of Duke Cheng of Lu (589 B.C.) in the Zuozhuan. According to the analysis of a register of example phrases, the word “yi” in the phrase “wu neng wei yi” should be regarded as a noun, which refers to “service matter” as seen in Duke Xiang 17 in Collective Exegeses on the Zuo Tradition of the Spring and Autumn Annals (hereafter, Collective Exegeses). This reading makes more sense than Yang’s Commentary, in which the word is glossed as “servant.” The phrase “jie chao” occurs four times in Zuozhuan. In Collective Exegeses it is glossed as “dawn” three times and as “the next morning” once. In Yang’s Commentary, however, all four occurrences are glossed as “the next morning.” The present article reads “jie” 詰 as “ji” 佶 and glosses it as “zheng” 正 (“the horizon”). In pre-Qin texts, the character “zheng” often carries the meaning of “the horizon.” The characters “chao” and “dan” both mean “dawn.” Therefore, the phrase “jie chao” refers to “dawn.” In Collective Exegeses, the phrase “zhao shi” is glossed as “eating a meal in the morning.” In the Shiji, “zhao shi” is written as “hui shi” 會食; however, the Zuozhuan records a sentence said by Duke Qing of Qi, “Yu gu jian mie ci er zhao shi” 余姑翦滅此而朝食, which clearly refers to a statement to himself that the battle could be over in the morning. Therefore, “zhao shi’ should still be understood as “eating a meal in the morning.” The Collective Exegeses glosses the phrase “da hu” as to “check on” (“yue” 閲) household occupants, while Yang’s Commentary glosses it as “canceling one’s residence registration.” Therefore, “da” should be read as “tai” 汏. According to the Shuowen, the original meaning of “tai” is “to wash in a pan or basket” (“xi jian” 淅㶕); referring to weeding out something/someone in today’s parlance. Moreover, several other phrases such as “sha tai” 沙汰 and “tao tai” 淘汰 were derived from the same original meaning. From another angle, the phrase “xi jian” also carries the meanings of “checking” or “calculating.” In the Zuozhuan, the word “yue” also means “calculating”; therefore, the phrase “da hu” means “checking on (“yue”) the household occupants or, in other words, to calculate household registries. The word “da” should be read as “tai”.

LANGUAGE NOTE | Document text in Chinese; abstract also in English. 司馬遷《史記•孔子世家》記載了古代《詩經》有詩三千餘篇，孔子去其重復，為三百零五篇。歷代學者對此有贊成的，也有反對的，到現在還未成定讞，成為了兩千多年來的學術公案。本文嘗試從孔子自己説的「放鄭聲」、「鄭聲淫」這個標準來看孔子删詩説的可靠性。文中首先提出古代聲（樂）、詩不分的現象，這在《荀子》、《墨子》、《儀禮》、《禮記》及後人顧頡剛的研究中都有説明。由於聲、詩不分，孔子既説「放鄭聲」，則鄭詩也應在被放之列，因為我們不能想像只有歌詞（詩），沒有音樂（聲）的「樂歌」。但現在我們看毛詩，鄭詩歷歷在目，則孔子何嘗删過詩？至於逸詩問題，本文作者認為可能在《詩經》四家之外，尚有其他版本家派，至今失傳，只留下一些佚文佚句，為今本毛詩所無，而由先秦學者引用，得以留存。1977年安徽阜陽出土的漢簡《詩經》，或者可以證明這點。阜詩與四家詩都不同，不禁使人懷疑它是否四家詩以外的另一版本。假如是的話，則逸詩的問題自可迎刃而解。而最主要的，阜陽詩經中收錄有鄭風八首，可見不論目前所見任何版本流派，都收錄了鄭風。由此，本文作者認為孔子删詩説是不可靠的，孔子其實並未删過詩。The Shi Ji (Historical Records) by Sima Qian of the Han Dynasty recorded that in ancient times, there were more than 3000 poems comprising the Shi Jing (Book of Songs). Later, according to tradition, Confucius edited the classic and reduced the number of poems to 305. Ever since Sima Qian’s record, there have been scholarly disputes supporting or rejecting the question of whether or not Confucius’ deletion of poems really took place. This dispute has been on-going for nearly 2000 years and has not been resolved. The present paper attempts to solve this problem by examining Confucius’ criteria and attitude in dealing with the Book of Songs. Confucius had once said that he would like to delete the music from the State of Zheng, because the music of that State was yin 淫 (salacious or exceeded the limit). This incident was first recorded in the Analects. The present paper suggests that in the first place music and lyrics from ancient times in the Book of Songs were inseparable. This point was mentioned in Xunzi, Mozi, Yi Li, and the Li Ji etc., and studies by Gu Jie-gang also supported this view. Since it was supposed that Confucius deleted the music of Zheng, it was unavoidable that the words (poems) that accompanied it would also be deleted, as the two were closely intertwined. Moreover, within that tradition, it was unthinkable to talk about a “song”, and have only words and no music. It thus can be argued that Confucius actually had never deleted these poems from the Book of Songs, as the Zheng poems still exist in the Mao edition of the classic. As to the question that other poems do exist in pre-Qin writings and cannot be found in the Mao edition, which scholars term yi-shi (lost poems), the present paper suggests that there may have been other editions of the Book of Songs in ancient times which are now mostly lost. Thus those poems that appear in pre-Qin writings actually come from other lost editions. The 1977 excavation of a Han Dynasty bamboo copy of the Shi Jing from Fu Yang, Anhui proves this point. The Fu Yang Shi Jing is different from the Si-Jia-Shi (the exiting four editions of the Book of Songs), and therefore it may have come from a different edition that was lost. If this is true, this is evidence to support the hypothesis of this paper as to why yi-shi were found in pre-Qin writings. Most importantly is that the Fu Yang Shi Jing recorded eight poems from the State of Zheng. Since all editions of the Shi Jing that exist today contain poems from Zheng, the present paper concludes that Confucius had never deleted poems from the Book of Songs. Therefore, Sima Qian’s statement in the Shi Ji is unreliable.

The geometries, stabilities of VGen0/- (n = 9 - 13) clusters were systematically studied by the density functional theory (DFT) using the BP86 functional and LANL2DZ basis set. Several possible multiplicities of each cluster were tested to determine the most stable structure among the isomers. The average binding energy per atom, fragmentation energy, second order energy difference and HOMO-LUMO gaps were evaluated. The results indicated that the neutral and anionic clusters possess higher stability when n = 10 and 12. The vertical detachment energy (VDE) and adiabatic detachment energy (ADE) were also calculated for anionic cluster to investigate their stabilities. Among neutral clusters, VGe10 had both the highest vertical ionization potential (VIP) and chemical hardness. Keywords BP86/LANL2DZ, binding energy, VGen0/- clusters, structure of clusters References [1] Shunping Shi, Yiliang Liu, Chuanyu Zhang, Banglin Deng, Gang Jiang (2015). 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Graphene-based composites have received a great deal of attention in recent year because the presence of graphene can enhance the conductivity, strength of bulk materials and help create composites with superior qualities. Moreover, the incorporation of metal oxide nanoparticles such as Fe3O4 can improve the catalytic efficiency of composite material. In this work, we have synthesized a composite material with the combination of reduced graphene oxide (rGO), and Fe3O4 modified tissue-paper (mGO-PP) via a simple hydrothermal method, which improved the removal efficiency of the of methylene blue (MB) in water. MB blue is used as the model of contaminant to evaluate the catalytic efficiency of synthesized material by using a Fenton-like reaction. The obtained materials were characterized by SEM, XRD. The removal of materials with methylene blue is investigated by UV-VIS spectroscopy, and the result shows that mGO-PP composite is the potential composite for the color removed which has the removal efficiency reaching 65% in acetate buffer pH = 3 with the optimal time is 7 h. Keywords Graphene-based composite, methylene blue, Fenton-like reaction. References [1] Ma Joshi, Rue Bansal, Reng Purwar, Colour removal from textile effluents, Indian Journal of Fibre & Textile Research, 29 (2004) 239-259 http://nopr.niscair.res.in/handle/123456789/24631.[2] Kannan Nagar, Sundaram Mariappan, Kinetics and mechanism of removal of methylene blue by adsorption on various carbons-a comparative study, Dyes and pigments, 51 (2001) 25-40 https://doi.org/10.1016/S0143-7208(01)00056-0.[3] K Rastogi, J. N Sahu, B. C Meikap, M. 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The curtain rose. The howling of desert wind filled the performance hall in the Shanghai Grand Theatre. Into the center stage, where a scenic construction of a mountain cliff and a desert landscape was dimly lit, entered the character of the Daoist priest Wang Yuanlu (1849–1931), performed by Chen Yizong. Dressed in a worn and dusty outfit of dark blue cotton, characteristic of Daoist priests, Wang began to sweep the floor. After a few moments, he discovered a hidden chambre sealed inside one of the rock sanctuaries carved into the cliff.Signaled by the quick, crystalline, stirring wave of sound from the chimes, a melodious Chinese ocarina solo joined in slowly from the background. Astonished by thousands of Buddhist sūtra scrolls, wall paintings, and sculptures he had just accidentally discovered in the caves, Priest Wang set his broom aside and began to examine these treasures. Dawn had not yet arrived, and the desert sky was pitch-black. Priest Wang held his oil lamp high, strode rhythmically in excitement, sat crossed-legged in a meditative pose, and unfolded a scroll. The sound of the ocarina became fuller and richer and the texture of the music more complex, as several other instruments joined in.Below is the opening scene of the award-winning, theatrical dance-drama Dunhuang, My Dreamland, created by China’s state-sponsored Lanzhou Song and Dance Theatre in 2000. Figure 1a: Poster Side A of Dunhuang, My Dreamland Figure 1b: Poster Side B of Dunhuang, My DreamlandThe scene locates the dance-drama in the rock sanctuaries that today are known as the Dunhuang Mogao Caves, housing Buddhist art accumulated over a period of a thousand years, one of the best well-known UNESCO heritages on the Silk Road. Historically a frontier metropolis, Dunhuang was a strategic site along the Silk Road in northwestern China, a crossroads of trade, and a locus for religious, cultural, and intellectual influences since the Han dynasty (206 B.C.E.–220 C.E.). Travellers, especially Buddhist monks from India and central Asia, passing through Dunhuang on their way to Chang’an (present day Xi’an), China’s ancient capital, would stop to meditate in the Mogao Caves and consult manuscripts in the monastery's library. At the same time, Chinese pilgrims would travel by foot from China through central Asia to Pakistan, India, Nepal, Bangladesh, and Sri Lanka, playing a key role in the exchanges between ancient China and the outside world. Travellers from China would stop to acquire provisions at Dunhuang before crossing the Gobi Desert to continue on their long journey abroad. Figure 2: Dunhuang Mogao CavesThis article approaches the idea of “abroad” by examining the present-day imagination of journeys along the Silk Road—specifically, staged performances of the various Silk Road journey-themed dance-dramas sponsored by the Chinese state for enhancing its cultural and foreign policies since the 1970s (Kuang).As ethnomusicologists have demonstrated, musicians, choreographers, and playwrights often utilise historical materials in their performances to construct connections between the past and the present (Bohlman; Herzfeld; Lam; Rees; Shelemay; Tuohy; Wade; Yung: Rawski; Watson). The ancient Silk Road, which linked the Mediterranean coast with central China and beyond, via oasis towns such as Samarkand, has long been associated with the concept of “journeying abroad.” Journeys to distant, foreign lands and encounters of unknown, mysterious cultures along the Silk Road have been documented in historical records, such as A Record of Buddhist Kingdoms (Faxian) and The Great Tang Records on the Western Regions (Xuanzang), and illustrated in classical literature, such as The Travels of Marco Polo (Polo) and the 16th century Chinese novel Journey to the West (Wu). These journeys—coming and going from multiple directions and to different destinations—have inspired contemporary staged performance for audiences around the globe.Home and Abroad: Dunhuang and the Silk RoadDunhuang, My Dreamland (2000), the contemporary dance-drama, staged the journey of a young pilgrim painter travelling from Chang’an to a land of the unfamiliar and beyond borders, in search for the arts that have inspired him. Figure 3: A scene from Dunhuang, My Dreamland showing the young pilgrim painter in the Gobi Desert on the ancient Silk RoadFar from his home, he ended his journey in Dunhuang, historically considered the northwestern periphery of China, well beyond Yangguan and Yumenguan, the bordering passes that separate China and foreign lands. Later scenes in Dunhuang, My Dreamland, portrayed through multiethnic music and dances, the dynamic interactions among merchants, cultural and religious envoys, warriors, and politicians that were making their own journey from abroad to China. The theatrical dance-drama presents a historically inspired, re-imagined vision of both “home” and “abroad” to its audiences as they watch the young painter travel along the Silk Road, across the Gobi Desert, arriving at his own ideal, artistic “homeland”, the Dunhuang Mogao Caves. Since his journey is ultimately a spiritual one, the conceptualisation of travelling “abroad” could also be perceived as “a journey home.”Staged more than four hundred times since it premiered in Beijing in April 2000, Dunhuang, My Dreamland is one of the top ten titles in China’s National Stage Project and one of the most successful theatrical dance-dramas ever produced in China. With revenue of more than thirty million renminbi (RMB), it ranks as the most profitable theatrical dance-drama ever produced in China, with a preproduction cost of six million RMB. The production team receives financial support from China’s Ministry of Culture for its “distinctive ethnic features,” and its “aim to promote traditional Chinese culture,” according to Xu Rong, an official in the Cultural Industry Department of the Ministry. Labeled an outstanding dance-drama of the Chinese nation, it aims to present domestic and international audiences with a vision of China as a historically multifaceted and cosmopolitan nation that has been in close contact with the outside world through the ancient Silk Road. Its production company has been on tour in selected cities throughout China and in countries abroad, including Austria, Spain, and France, literarily making the young pilgrim painter’s “journey along the Silk Road” a new journey abroad, off stage and in reality.Dunhuang, My Dreamland was not the first, nor is it the last, staged performances that portrays the Chinese re-imagination of “journeying abroad” along the ancient Silk Road. It was created as one of many versions of Dunhuang bihua yuewu, a genre of music, dance, and dramatic performances created in the early twentieth century and based primarily on artifacts excavated from the Mogao Caves (Kuang). “The Mogao Caves are the greatest repository of early Chinese art,” states Mimi Gates, who works to increase public awareness of the UNESCO site and raise funds toward its conservation. “Located on the Chinese end of the Silk Road, it also is the place where many cultures of the world intersected with one another, so you have Greek and Roman, Persian and Middle Eastern, Indian and Chinese cultures, all interacting. Given the nature of our world today, it is all very relevant” (Pollack). As an expressive art form, this genre has been thriving since the late 1970s contributing to the global imagination of China’s “Silk Road journeys abroad” long before Dunhuang, My Dreamland achieved its domestic and international fame. For instance, in 2004, The Thousand-Handed and Thousand-Eyed Avalokiteśvara—one of the most representative (and well-known) Dunhuang bihua yuewu programs—was staged as a part of the cultural program during the Paralympic Games in Athens, Greece. This performance, as well as other Dunhuang bihua yuewu dance programs was the perfect embodiment of a foreign religion that arrived in China from abroad and became Sinicized (Kuang). Figure 4: Mural from Dunhuang Mogao Cave No. 45A Brief History of Staging the Silk Road JourneysThe staging of the Silk Road journeys abroad began in the late 1970s. Historically, the Silk Road signifies a multiethnic, cosmopolitan frontier, which underwent incessant conflicts between Chinese sovereigns and nomadic peoples (as well as between other groups), but was strongly imbued with the customs and institutions of central China (Duan, Mair, Shi, Sima). In the twentieth century, when China was no longer an empire, but had become what the early 20th-century reformer Liang Qichao (1873–1929) called “a nation among nations,” the long history of the Silk Road and the colourful, legendary journeys abroad became instrumental in the formation of a modern Chinese nation of unified diversity rooted in an ancient cosmopolitan past. The staged Silk Road theme dance-dramas thus participate in this formation of the Chinese imagination of “nation” and “abroad,” as they aestheticise Chinese history and geography. History and geography—aspects commonly considered constituents of a nation as well as our conceptualisations of “abroad”—are “invariably aestheticized to a certain degree” (Bakhtin 208). Diverse historical and cultural elements from along the Silk Road come together in this performance genre, which can be considered the most representative of various possible stagings of the history and culture of the Silk Road journeys.In 1979, the Chinese state officials in Gansu Province commissioned the benchmark dance-drama Rain of Flowers along the Silk Road, a spectacular theatrical dance-drama praising the pure and noble friendship which existed between the peoples of China and other countries in the Tang dynasty (618-907 C.E.). While its plot also revolves around the Dunhuang Caves and the life of a painter, staged at one of the most critical turning points in modern Chinese history, the work as a whole aims to present the state’s intention of re-establishing diplomatic ties with the outside world after the Cultural Revolution. Unlike Dunhuang, My Dreamland, it presents a nation’s journey abroad and home. To accomplish this goal, Rain of Flowers along the Silk Road introduces the fictional character Yunus, a wealthy Persian merchant who provides the audiences a vision of the historical figure of Peroz III, the last Sassanian prince, who after the Arab conquest of Iran in 651 C.E., found refuge in China. By incorporating scenes of ethnic and folk dances, the drama then stages the journey of painter Zhang’s daughter Yingniang to Persia (present-day Iran) and later, Yunus’s journey abroad to the Tang dynasty imperial court as the Persian Empire’s envoy.Rain of Flowers along the Silk Road, since its debut at Beijing’s Great Hall of the People on the first of October 1979 and shortly after at the Theatre La Scala in Milan, has been staged in more than twenty countries and districts, including France, Italy, Japan, Thailand, Russia, Latvia, Hong Kong, Macao, Taiwan, and recently, in 2013, at the Lincoln Center for the Performing Arts in New York.“The Road”: Staging the Journey TodayWithin the contemporary context of global interdependencies, performing arts have been used as strategic devices for social mobilisation and as a means to represent and perform modern national histories and foreign policies (Davis, Rees, Tian, Tuohy, Wong, David Y. H. Wu). The Silk Road has been chosen as the basis for these state-sponsored, extravagantly produced, and internationally staged contemporary dance programs. In 2008, the welcoming ceremony and artistic presentation at the Olympic Games in Beijing featured twenty apsara dancers and a Dunhuang bihua yuewu dancer with long ribbons, whose body was suspended in mid-air on a rectangular LED extension held by hundreds of performers; on the giant LED screen was a depiction of the ancient Silk Road.In March 2013, Chinese president Xi Jinping introduced the initiatives “Silk Road Economic Belt” and “21st Century Maritime Silk Road” during his journeys abroad in Kazakhstan and Indonesia. These initiatives are now referred to as “One Belt, One Road.” The State Council lists in details the policies and implementation plans for this initiative on its official web page, www.gov.cn. In April 2013, the China Institute in New York launched a yearlong celebration, starting with "Dunhuang: Buddhist Art and the Gateway of the Silk Road" with a re-creation of one of the caves and a selection of artifacts from the site. In March 2015, the National Development and Reform Commission (NDRC), China’s top economic planning agency, released a new action plan outlining key details of the “One Belt, One Road” initiative. Xi Jinping has made the program a centrepiece of both his foreign and domestic economic policies. One of the central economic strategies is to promote cultural industry that could enhance trades along the Silk Road.Encouraged by the “One Belt, One Road” policies, in March 2016, The Silk Princess premiered in Xi’an and was staged at the National Centre for the Performing Arts in Beijing the following July. While Dunhuang, My Dreamland and Rain of Flowers along the Silk Road were inspired by the Buddhist art found in Dunhuang, The Silk Princess, based on a story about a princess bringing silk and silkworm-breeding skills to the western regions of China in the Tang Dynasty (618-907) has a different historical origin. The princess's story was portrayed in a woodblock from the Tang Dynasty discovered by Sir Marc Aurel Stein, a British archaeologist during his expedition to Xinjiang (now Xinjiang Uygur autonomous region) in the early 19th century, and in a temple mural discovered during a 2002 Chinese-Japanese expedition in the Dandanwulike region. Figure 5: Poster of The Silk PrincessIn January 2016, the Shannxi Provincial Song and Dance Troupe staged The Silk Road, a new theatrical dance-drama. Unlike Dunhuang, My Dreamland, the newly staged dance-drama “centers around the ‘road’ and the deepening relationship merchants and travellers developed with it as they traveled along its course,” said Director Yang Wei during an interview with the author. According to her, the show uses seven archetypes—a traveler, a guard, a messenger, and so on—to present the stories that took place along this historic route. Unbounded by specific space or time, each of these archetypes embodies the foreign-travel experience of a different group of individuals, in a manner that may well be related to the social actors of globalised culture and of transnationalism today. Figure 6: Poster of The Silk RoadConclusionAs seen in Rain of Flowers along the Silk Road and Dunhuang, My Dreamland, staging the processes of Silk Road journeys has become a way of connecting the Chinese imagination of “home” with the Chinese imagination of “abroad.” Staging a nation’s heritage abroad on contemporary stages invites a new imagination of homeland, borders, and transnationalism. Once aestheticised through staged performances, such as that of the Dunhuang bihua yuewu, the historical and topological landscape of Dunhuang becomes a performed narrative, embodying the national heritage.The staging of Silk Road journeys continues, and is being developed into various forms, from theatrical dance-drama to digital exhibitions such as the Smithsonian’s Pure Land: Inside the Mogao Grottes at Dunhuang (Stromberg) and the Getty’s Cave Temples of Dunhuang: Buddhist Art on China's Silk Road (Sivak and Hood). 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