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Journal articles on the topic 'XST'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Duan, Xiaojiao, Dan Zhang, Kaihuan Wang, et al. "Comparative study of xuesaitong injection and compound salvia miltiorrhizae injection in the treatment of acute cerebral infarction: a meta-analysis." Journal of International Medical Research 47, no. 11 (2019): 5375–88. http://dx.doi.org/10.1177/0300060519879292.

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Objective This study was conducted to systematically evaluate the clinical effectiveness of xuesaitong injection (XST) and compound salvia miltiorrhizae injection (CSM) in the treatment of acute cerebral infarction (ACI). Methods We searched several databases for randomized controlled trials (RCTs) using XST and CSM for the treatment of ACI. Two researchers independently selected the RCTs and extracted information. The quality of included RCTs was evaluated, and then data were analyzed using RevMan5.3 and STATA 12.0 software. Results Twenty-three RCTs that enrolled 2101 participants were inclu

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2

Wang, Xumei, Shaoxia Wang, Jinxin Wang, et al. "Neuroprotective Effect of Xueshuantong for Injection (Lyophilized) in Transient and Permanent Rat Cerebral Ischemia Model." Evidence-Based Complementary and Alternative Medicine 2015 (2015): 1–13. http://dx.doi.org/10.1155/2015/134685.

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Xueshuantong for Injection (Lyophilized) (XST), a Chinese Materia Medica standardized product extracted fromPanax notoginseng(Burk.), is used extensively for the treatment of cerebrovascular diseases such as acutely cerebral infarction clinically in China. In the present study, we evaluated the acute and extended protective effects of XST in different rat cerebral ischemic model and explored its effect on peroxiredoxin (Prx) 6-toll-like receptor (TLR) 4 signaling pathway. We found that XST treatment for 3 days could significantly inhibit transient middle cerebral artery occlusion (MCAO) induce

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3

Ma, Shitang, Guoliang Dai, Xiaolin Bi, et al. "The Herb-Drug Interaction of Clopidogrel and Xuesaitong Dispersible Tablet by Modulation of the Pharmacodynamics and Liver Carboxylesterase 1A Metabolism." Evidence-Based Complementary and Alternative Medicine 2018 (October 18, 2018): 1–8. http://dx.doi.org/10.1155/2018/5651989.

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Objective. Clopidogrel and Xuesaitong dispersible tablet (XST) have been clinically proven to be effective for treating cardiocerebrovascular disease. The present study was to investigate the herb-drug interaction of Clopidogrel and XST by modulation of the pharmacodynamics and liver Carboxylesterase 1A(CES1A) metabolism. Methods. 30 male SD rats were randomly divided into a control group (equal volumes of saline, 6 rats for mRNA analysis), a clopidogrel group (clopidogrel with dose 30 mg/kg), and a combination group (clopidogrel and XST, with dose 30 and 50 mg/kg respectively, each group cont

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Ouyang, Baiyu, Liren Zhou, and Wenting Tong. "Characterizations of Morita-like Equivalences for Right XST-Rings." Algebra Colloquium 14, no. 01 (2007): 85–95. http://dx.doi.org/10.1142/s1005386707000090.

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The notion of xst-rings was introduced by García and Marín in 1999. In this paper, we characterize Morita-like equivalences for right xst-rings, obtain the universal theory of Morita equivalences, and prove that two right xst-rings R and T are Morita-like equivalent if and only if there is a Morita context between R and T. We also prove that Morita-like equivalences can be realized by the covariant functors Hom and ⊗ for these rings.

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Xie, Zhuo-Song, Zi-Ying Zhou, Lian-Qi Sun, Hong Yi, Si-Tu Xue, and Zhuo-Rong Li. "Structure-based virtual screening towards the discovery of novel FOXM1 inhibitors." Future Medicinal Chemistry 14, no. 4 (2022): 207–19. http://dx.doi.org/10.4155/fmc-2021-0282.

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Aim: Given the importance of FOXM1 in the treatment of ovarian cancer, we aimed to identify an excellent specific inhibitor and examined its underlying therapeutic effect. Materials & methods: The binding statistics for FDI-6 with FOXM1 were calculated through computer-aided drug design. We selected XST-119 through virtual screening, performed surface plasmon resonance and in vitro cell antiproliferative activity analysis and evaluated its antitumor efficacy in a mouse model. Results: XST-119 had significantly higher affinity for FOXM1 and antiproliferative activity than FDI-6. XST-119 had

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Rudolph, Amy E., Michael P. Mullane, Rhonda Porche-Sorbet, Sue Tsuda, and Joseph P. Miletich. "Factor XSt. Louis II." Journal of Biological Chemistry 271, no. 45 (1996): 28601–6. http://dx.doi.org/10.1074/jbc.271.45.28601.

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Xue, Rui, Ruonan Zhai, Ling Xie, et al. "Xuesaitong Protects Podocytes from Apoptosis in Diabetic Rats through Modulating PTEN-PDK1-Akt-mTOR Pathway." Journal of Diabetes Research 2020 (January 21, 2020): 1–12. http://dx.doi.org/10.1155/2020/9309768.

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Diabetic kidney disease (DKD) is a major cause of end-stage renal disease (ESRD), and therapeutic strategies for delaying its progression are limited. Loss of podocytes by apoptosis characterizes the early stages of DKD. To identify novel therapeutic options, we investigated the effects of Xuesaitong (XST), consisting of total saponins from Panax notoginseng, on podocyte apoptosis in streptozotocin- (STZ-) induced diabetic rats. XST (5 mg/kg·d) or Losartan (10 mg/kg·d) was given to diabetic rats for 12 weeks. Albuminuria, renal function markers, and renal histopathology morphological changes w

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Saptanto, Subhechanis, Tikkyrino Kurniawan, Hertria Maharani Putri, and Tajerin Tajerin. "ANALISIS PENENTUAN INDIKATOR KUNCI DALAM PENGHITUNGAN INDEKS KESEJAHTERAAN MASYARAKAT KELAUTAN DAN PERIKANAN." Jurnal Kebijakan Sosial Ekonomi Kelautan dan Perikanan 7, no. 1 (2017): 51. http://dx.doi.org/10.15578/jksekp.v7i1.5748.

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Indeks kesejahteraan masyarakat kelautan perikanan merupakan salah satu indeks yang secara cepat dapat mengukur tingkat kesejahteraan yang bergerak di sektor kelautan dan perikanan. Di dalam indeks kesejahteraan terdapat indikator-indikator kunci yang menjadi penentu kesejahteraan masyarakat kp. Tujuan dari penulisan makalah ini adalah menganalisis indikator-indikator kunci dalam penghitungan indeks kesejahteraan masyarakat kp sehingga dapat dihasilkan suatu strategi baik yang bersifat pemeliharaan maupun perbaikan pada provinsi-provinsi di Indonesia. Data yang digunakan dalam penelitian ini a

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Yang, Xiaochen, Xingjiang Xiong, Heran Wang, Guoyan Yang, and Jie Wang. "Xuesaitong Soft Capsule (Chinese Patent Medicine) for the Treatment of Unstable Angina Pectoris: A Meta-Analysis and Systematic Review." Evidence-Based Complementary and Alternative Medicine 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/948319.

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Objective.To provide a systematic review to evaluate the effectiveness and safety of Xuesaitong soft capsule (XST) in treating unstable angina (UA).Methods.An extensive search of 6 medical databases was performed up to August 2013. Randomized controlled trials (RCTs) involving XST alone or combined with conventional drugs versus conventional drugs were included. A meta-analysis of reduction of angina symptoms and electrocardiogram (ECG) improvement was performed to evaluate the effects of XST on UA.Results.After researching, a total of 6 RCTs with 716 participants were included. Our review sho

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10

Sagarkumar Buyya, Baswaraj Gadgay, Shubhangi D C. "The Cost Realization on Time Frame Shift of Securities." Tuijin Jishu/Journal of Propulsion Technology 44, no. 3 (2023): 245–56. http://dx.doi.org/10.52783/tjjpt.v44.i3.262.

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Investors use a variety of investing methods depending on the time scales () of their short-term and long-term investment time horizons (ITH). The nature of the market varies greatly depending on the type of investment. Hurst exponents (H) and normalised variance (NV) techniques based on empirical mode decomposition (EMD) have been used to identify key features of the market over various time horizons. For the stock price's decomposed intrinsic mode functions (IMF), the values of H and NV have been estimated. We found H1 0.5 0.04 and H1 0.75 for the IMFs with time periods ranging from a few da

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Nurdin, Nurdin. "Analisis Pertumbuhan Ekonomi Daerah Provinsi Jambi." Eksis: Jurnal Ilmiah Ekonomi dan Bisnis 9, no. 1 (2018): 22. http://dx.doi.org/10.33087/eksis.v9i1.130.

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This study uses secondary data collected by the object of research in Jambi Province in the form of factors affecting the economic growth of Jambi Province sourced from the Central Bureau of Statistics (BPS). Data were collected during the period 2004 to 2015. The purpose of this study is to analyze and know what factors affect the economic growth of Jambi Province period 2004-2015. The analytical tool used is this research using econometric analysis tool with Ordinary Least Square (OLS) method with multiple linear regression equation through the aid of SPSS software program. 21:00. Based on t

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12

Wang, Linli, Zheng Li, Xiaoping Zhao, et al. "A Network Study of Chinese Medicine Xuesaitong Injection to Elucidate a Complex Mode of Action with Multicompound, Multitarget, and Multipathway." Evidence-Based Complementary and Alternative Medicine 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/652373.

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Chinese medicine has evolved from thousands of years of empirical applications and experiences of combating diseases. It has become widely recognized that the Chinese medicine acts through complex mechanisms featured as multicompound, multitarget and multipathway. However, there is still a lack of systematic experimental studies to elucidate the mechanisms of Chinese medicine. In this study, the differentially expressed genes (DEGs) were identified from myocardial infarction rat model treated with Xuesaitong Injection (XST), a Chinese medicine consisting of the total saponins fromPanax notogin

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13

Han, Guo-Jie, Xiang-Zhen Min, Shuang-Shuang Ma, Chuan Ding, and Xiu-Qin Wang. "Xuesaitong Combined with Dexmedetomidine Improves Cerebral Ischemia-Reperfusion Injury in Rats by Activating Keap1/Nrf2 Signaling and Mitophagy in Hippocampal Tissue." Oxidative Medicine and Cellular Longevity 2022 (December 7, 2022): 1–19. http://dx.doi.org/10.1155/2022/5126042.

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Ischemic stroke is the most common type of cerebrovascular disease with high mortality and poor prognosis, and cerebral ischemia-reperfusion (CI/R) injury is the main murderer. Here, we attempted to explore the effects and mechanism of Xuesaitong (XST) combined with dexmedetomidine (Dex) on CI/R injury in rats. First, a rat model of CI/R injury was constructed via the middle cerebral artery occlusion (MCAO) method and treated with XST and Dex alone or in combination. Then, on the 5th and 10th days of treatment, the neurological impairment was assessed using the modified neurological severity s

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Frascino, SMB, TC Fagundes, UAE Silva, et al. "Randomized Prospective Clinical Trial of Class II Restorations Using Low-shrinkage Flowable Resin Composite." Operative Dentistry 45, no. 1 (2020): 19–29. http://dx.doi.org/10.2341/18-230-c.

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SUMMARYPurpose:The aim of this prospective, randomized, split-mouth clinical trial was to evaluate postoperative sensitivity, clinical performance, and interproximal contacts after using different restorative systems.Methods and Materials:Fifty-three subjects each received three class II restorations according to the restorative systems: conventional resin composite (PA: Peak Universal+Amelogen Plus, Ultradent), low-shrinkage flowable and nanoparticulate resin composites (ABF: Adper Single Bond 2+Filtek Bulk Fill Flow+Filtek Z350XT, 3M ESPE), and low-shrinkage flowable and microhybrid resin co

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15

Li, Yang, and Cheng Gang Zheng. "Production and Characterization of Bioemulsifiers by Thermotolerant Bacteria for Enhanced Oil Recovery Potential." Advanced Materials Research 450-451 (January 2012): 573–81. http://dx.doi.org/10.4028/www.scientific.net/amr.450-451.573.

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Three bacterial strains were isolated from oil contaminated soil samples in Yumen oilfield of China and selected due to their capacity of growing under extreme conditions and production of bioemulsifier. The isolates were identified as Brevibacillus sp. XS1, Geobacillus sp. XS2 and Geobacillus sp. XS3 according to 16S rDNA sequence and physiological methods, respectively. The isolates XS1, XS2 and XS3 were thermotolerant with the optimum growth temperature of 50 °C, 60 °C and 55 °C, respectively. All the three isolates were able to produce bioemulsifiers which had little effect on surface tens

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16

Gao, Yang, Ziying Zhou, Tingting Zhang, Situ Xue, Ke Li, and Jiandong Jiang. "Structure-Based Virtual Screening towards the Discovery of Novel ULK1 Inhibitors with Anti-HCC Activities." Molecules 27, no. 9 (2022): 2627. http://dx.doi.org/10.3390/molecules27092627.

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There is an urgent need to develop new effective therapies for HCC. Our previous study identified ULK1 as the potential target for HCC therapy and screened the compound XST-14 as a specific inhibitor of ULK1 to suppress HCC progression. However, the poor manufacturability of XST-14 impeded the process of its clinical translation. In this study, we first generated pharmacophore models of ULK1 based on the X-ray structure of UKL1 in complex with ligands. We then screened the Specs chemical library for potential UKL1 inhibitors. By molecular docking, we screened out the 19 compounds through struc

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17

Zhao, Xiaoping, Feng Zhang, and Yi Wang. "Proteomic analysis reveals Xuesaitong injection attenuates myocardial ischemia/reperfusion injury by elevating pyruvate dehydrogenase-mediated aerobic metabolism." Molecular BioSystems 13, no. 8 (2017): 1504–11. http://dx.doi.org/10.1039/c7mb00140a.

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18

Long, Wenjie, Huili Liao, Xi Huang, et al. "Efficacy and safety of high-dose Xueshuantong injection (lyophilised) in reducing the incidence of major adverse cardiovascular events in patients with unstable angina: a protocol of a randomised, parallel-arm, controlled, double-blind and multicentre clinical trial based on dual antiplatelet therapy." BMJ Open 10, no. 8 (2020): e038074. http://dx.doi.org/10.1136/bmjopen-2020-038074.

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IntroductionUnstable angina (UA), referred to as acute coronary syndrome (ACS), causes unexpected chest pain. Xueshuantong injection (lyophilised) (XST) is a traditional Chinese herbal injection having the potential to treat ACS. However, no clinical trial has been performed in this field. This clinical trial aims to examine the efficacy and safety of XST.Methods and analysisThis is a randomised, parallel-arm, controlled, double-blind and multicentre clinical trial. A total of 1200 participants with UA will be enrolled in a 1:1 ratio, with 600 patients included in the XST treatment group and 6

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Sayyed, Shahin, Smita A. Acharya, Pranay Kautkar, and Vasant Sathe. "Structural and dielectric anomalies near the MPB region of Na0.5Bi0.5TiO3–SrTiO3 solid solution." RSC Advances 5, no. 63 (2015): 50644–54. http://dx.doi.org/10.1039/c5ra05617a.

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In the present attempt, (1 − x)NBT(Na<sub>0.5</sub>Bi<sub>0.5</sub>TiO<sub>3</sub>)–xST(SrTiO<sub>3</sub>) (x = 0.24–0.28) solid solutions are studied near the MPB region to investigate short-range structural and dielectric anomalies.

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McCarter, W. J., B. T. Linfoot, T. M. Chrisp, and G. Starrs. "Performance of concrete in XS1, XS2 and XS3 environments." Magazine of Concrete Research 60, no. 4 (2008): 261–70. http://dx.doi.org/10.1680/macr.2008.60.4.261.

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Ma, Jianxing. "Study on Electric Card Effect of Lead-free Piezoelectric Ceramics." Highlights in Science, Engineering and Technology 27 (December 27, 2022): 285–91. http://dx.doi.org/10.54097/hset.v27i.3769.

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The electrocaloric effect of ferroelectric materials can be used for refrigeration. This new method has the advantage of high efficiency, environmental protection and lower cost. Its variable size can satisfy the cooling requirements of different devices. However, it still exist some problems of lead-free ferroelectric ceramics refrigeration: its refrigeration temperature is less than 1 K; refrigeration temperature range is narrow; working temperature is either too high or too low. Sodium bismuth titanate (Na0.5Bi0.5TiO3, NBT) material stands out and becomes the most promising candidate to rep

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Ouyang, Bai Yu, and Wen Ting Tong. "Morita Context and Morita-Like Equivalence for the xst-Rings." Acta Mathematica Sinica, English Series 19, no. 2 (2003): 371–80. http://dx.doi.org/10.1007/s10114-002-0219-1.

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Permana, Gusti Ngurah, Bedjo Slamet, Bagus Arya Permana, Ayu Krisna Dewi, and Gusti Ngurah Mahardika. "POPULATION GENETIC STRUCTURE OF SPINY LOBSTERS, Panulirus homarus AND Panulirus ornatus, IN THE INDIAN OCEAN, CORAL TRIANGLE, AND SOUTH CHINA SEA." Indonesian Aquaculture Journal 14, no. 1 (2019): 7. http://dx.doi.org/10.15578/iaj.14.1.2019.7-14.

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Populations of spiny lobsters worldwide are threatened by overfishing, while its supply from aquaculture is currently insufficient to meet the market demand. This current study investigated the genetic structure of two economically important spiny lobsters, P. homarus and P. ornatus sourced from the Indian Ocean and South China Sea. Fragments of the cytochrome oxidase subunit-I (COI) gene of the mitochondrial DNA of 71 P. homarus and 42 P. ornatus collected from 6 and 5 fish landing sites in Indonesia, respectively, were sequenced. Homologous sequences from the Indian Ocean and South China Sea

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Kwak, San, In-Su Kim, Geun-Soo Lee, Byeong-Jae Min, and Sahn Nahm. "Good Thermal Stability in Dielectric Properties of (1-x)(K_0.8Na_0.2)NbO₃-xSrTiO₃ Ceramics for the Application to X9R MLCC." ECS Meeting Abstracts MA2024-02, no. 20 (2024): 1837. https://doi.org/10.1149/ma2024-02201837mtgabs.

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(1 − x)(K0.8Na0.2)NbO3–xSrTiO3 [(1 − x)(K0.8N0.2)N–xST] ceramics are well sintered at 1120 – 1200 ˚C for 2 h. The Curie temperature (T C) and the orthorhombic–tetragonal phase transition temperature (T O–T) of the ceramics considerably shifts toward low temperature region and the T C peak is flattened with increasing amount of x. Moreover, the ceramics (x ≥ 0.09) show relatively large relaxor ferroelectric properties. The 0.9(K0.8N0.2)N–0.1ST ceramics exhibit a remarkable thermal stability in dielectric properties, and it complies with the requirement of the EIA standard X9R multilayer ceramic

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Shao, Wencheng, Ziyin Chen, Yanchun Bai, et al. "Stereotactic body radiation therapy for non-small cell lung cancer using the non-coplanar radiation of Cyberknife and Varian linac." Journal of X-Ray Science and Technology 29, no. 4 (2021): 635–43. http://dx.doi.org/10.3233/xst-210867.

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PURPOSE: This study aims to evaluate the planned dose of stereotactic body radiation therapy (SBRT) for treating early peripheral non-small cell lung cancer (NSCLC) using the non-coplanar radiation from Cyberknife and Varian linac. Moreover, this study investigates whether Cyberknife and Varian linac are qualified for non-coplanar radiation SBRT for treating early peripheral NSCLC, and which one is better for protecting organs at risk (OARs). METHODS: Retrospective analysis was performed based on the Cyberknife radiation treatment plans (RTPs) and Varian Eclipse RTPs of 10 patients diagnosed w

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Cui, Liyuan, Shanhua Han, Shouliang Qi, Yang Duan, Yan Kang, and Yu Luo. "Deep symmetric three-dimensional convolutional neural networks for identifying acute ischemic stroke via diffusion-weighted images." Journal of X-Ray Science and Technology 29, no. 4 (2021): 551–66. http://dx.doi.org/10.3233/xst-210861.

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BACKGROUND: Acute ischemic stroke (AIS) results in high morbidity, disability, and mortality. Early and automatic diagnosis of AIS can help clinicians administer the appropriate interventions. OBJECTIVE: To develop a deep symmetric 3D convolutional neural network (DeepSym-3D-CNN) for automated AIS diagnosis via diffusion-weighted imaging (DWI) images. METHODS: This study includes 190 study subjects (97 AIS and 93 Non-AIS) by collecting both DWI and Apparent Diffusion Coefficient (ADC) images. 3D DWI brain images are split into left and right hemispheres and input into two paths. A map with 125

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Yu, Chang-Ching, Chien-Yi Ting, Ming-Hui Yang, and Hung-Pin Chan. "Comparison of irregular flux viewer system with BONENAVI version for identification of Tc-99m MDP whole body bone scan metastasis images." Journal of X-Ray Science and Technology 29, no. 4 (2021): 617–33. http://dx.doi.org/10.3233/xst-200834.

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The Tc-99m methylene diphosphonate (MDP) whole body bone scan (WBBS) has been widely accepted as a method of choice for the initial diagnosis of bone and joint changes in patients with oncologic diseases. The WBBS has shown high sensitivity but relatively low specificity due to bone variation. This study aims to use the self-developing irregular flux viewer (IFV) system to predict possible bone lesions in planar WBBS. The study uses gradient vector flow (GVF) and self-organizing map (SOM) methods to analyze the blood fluid-dynamics and evaluate hot points. The evaluation includes a selection o

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Chang, Chia-Hao, Yu-Ching Ni, and Sheng-Pin Tseng. "Calculation of effective atomic numbers using a rational polynomial approximation method with a dual-energy X-ray imaging system." Journal of X-Ray Science and Technology 29, no. 2 (2021): 317–30. http://dx.doi.org/10.3233/xst-200790.

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The study aims to develop a rational polynomial approximation method for improving the accuracy of the effective atomic number calculation with a dual-energy X-ray imaging system. This method is based on a multi-materials calibration model with iterative optimization, which can improve the calculation accuracy of the effective atomic number by adding a rational term without increasing the computation time. The performance of the proposed rational polynomial approximation method is demonstrated and validated by both simulated and experimental studies. The twelve reference materials are used to

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Kang, Zhen, Anhui Xu, and Liang Wang. "Predictive role of T2WI and ADC-derived texture parameters in differentiating Gleason score 3 + 4 and 4 + 3 prostate cancer." Journal of X-Ray Science and Technology 29, no. 2 (2021): 307–15. http://dx.doi.org/10.3233/xst-200785.

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BACKGROUND: Since Gleason score (GS) 4 + 3 prostate cancer (PCa) has a worse prognosis than GS 3 + 4 PCa, differentiating these two types of PCa is of clinical significance. OBJECTIVE: To assess the predictive roles of using T2WI and ADC-derived image texture parameters in differentiating GS 3 + 4 from GS 4 + 3 PCa. METHODS: Forty-eight PCa patients of GS 3 + 4 and 37 patients of GS 4 + 3 are retrieved and randomly divided into training (60%) and testing (40%) sets. Axial image showing the maximum tumor size is selected in the T2WI and ADC maps for further image texture feature analysis. Three

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Zhang, Zejian, Dong Chen, Ling Deng, et al. "Iatrogenic ureteral injury during retroperitoneal laparoscopy for large renal cysts: What we learned and a review of the literature." Journal of X-Ray Science and Technology 29, no. 1 (2021): 185–96. http://dx.doi.org/10.3233/xst-200804.

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PURPOSE: To avoid Iatrogenic ureteral injury during retroperitoneal laparoscopy for large renal cyst (diameter > 70 mm), we present two cases of iatrogenic ureteral injury and discuss their clinical courses and final outcomes. PATIENTS AND METHODS: Two male patients (47 years old and 74 years old) with large left simple renal cysts underwent a retroperitoneal laparoscopic operation to treat the cysts. In the first patient, the left proximal ureter was partially transected (Grade 3) during the operation. The injury was identified intraoperatively. The transection was managed with a primary u

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Feng, Zhiwei, Ailong Cai, Yizhong Wang, Lei Li, Li Tong, and Bin Yan. "Dual residual convolutional neural network (DRCNN) for low-dose CT imaging." Journal of X-Ray Science and Technology 29, no. 1 (2021): 91–109. http://dx.doi.org/10.3233/xst-200777.

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The excessive radiation doses in the application of computed tomography (CT) technology pose a threat to the health of patients. However, applying a low radiation dose in CT can result in severe artifacts and noise in the captured images, thus affecting the diagnosis. Therefore, in this study, we investigate a dual residual convolution neural network (DRCNN) for low-dose CT (LDCT) imaging, whereby the CT images are reconstructed directly from the sinogram by integrating analytical domain transformations, thus reducing the loss of projection information. With this new framework, feature extract

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Tang, Hui, Yu Bing Lin, Guo Yan Sun, and Xu Dong Bao. "A metal artifact reduction scheme in CT by a Poisson fusion sinogram based postprocessing method." Journal of X-Ray Science and Technology 29, no. 2 (2021): 245–57. http://dx.doi.org/10.3233/xst-200799.

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OBJECTIVE: To reduce secondary artifactes generated by the current interpolation-based metal artifact reduction (MAR) methods, this study proposes and tests a new Poisson fusion sinogram based metal artifact reduction (FS-MAR) method. METHODS: The proposed FS-MAR method consists of (1) generating the prior image, (2) forward projecting this prior image and applying the Poisson blending technique to seamlessly replace the metal-affected sinogram of the original projection in the metal projection region (MPR) by the prior image projection to get the corrected metal-free sinogram, and (3) perform

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Polat, Çağín, Onur Karaman, Ceren Karaman, Güney Korkmaz, Mehmet Can Balcı, and Sevim Ercan Kelek. "COVID-19 diagnosis from chest X-ray images using transfer learning: Enhanced performance by debiasing dataloader." Journal of X-Ray Science and Technology 29, no. 1 (2021): 19–36. http://dx.doi.org/10.3233/xst-200757.

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BACKGROUND: Chest X-ray imaging has been proved as a powerful diagnostic method to detect and diagnose COVID-19 cases due to its easy accessibility, lower cost and rapid imaging time. OBJECTIVE: This study aims to improve efficacy of screening COVID-19 infected patients using chest X-ray images with the help of a developed deep convolutional neural network model (CNN) entitled nCoV-NET. METHODS: To train and to evaluate the performance of the developed model, three datasets were collected from resources of “ChestX-ray14”, “COVID-19 image data collection”, and “Chest X-ray collection from India

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Sun, Zongqiong, Linfang Jin, Shuai Zhang, Shaofeng Duan, Wei Xing, and Shudong Hu. "Preoperative prediction for lauren type of gastric cancer: A radiomics nomogram analysis based on CT images and clinical features." Journal of X-Ray Science and Technology 29, no. 4 (2021): 675–86. http://dx.doi.org/10.3233/xst-210888.

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PURPOSE: To investigate feasibility of predicting Lauren type of gastric cancer based on CT radiomics nomogram before operation. MATERIALS AND METHODS: The clinical data and pre-treatment CT images of 300 gastric cancer patients with Lauren intestinal or diffuse type confirmed by postoperative pathology were retrospectively analyzed, who were randomly divided into training set and testing set with a ratio of 2:1. Clinical features were compared between the two Lauren types in the training set and testing set, respectively. Gastric tumors on CT images were manually segmented using ITK-SNAP soft

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Qi, Yanjie, Zehui Yang, and Lin Kang. "Multi-exposure X-ray image fusion quality evaluation based on CSF and gradient amplitude similarity." Journal of X-Ray Science and Technology 29, no. 4 (2021): 697–709. http://dx.doi.org/10.3233/xst-210871.

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Due to the limitation of dynamic range of the imaging device, the fixed-voltage X-ray images often produce overexposed or underexposed regions. Some structure information of the composite steel component is lost. This problem can be solved by fusing the multi-exposure X-ray images taken by using different voltages in order to produce images with more detailed structures or information. Due to the lack of research on multi-exposure X-ray image fusion technology, there is no evaluation method specially for multi-exposure X-ray image fusion. For the multi-exposure X-ray fusion images obtained by

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Abbas, M. A., M. S. Alqahtani, A. J. Alkulib, et al. "Development of a novel computational method using computed tomography images for the early detection and severity classification of COVID-19 cases." Journal of X-Ray Science and Technology 29, no. 2 (2021): 211–28. http://dx.doi.org/10.3233/xst-200794.

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BACKGROUND: Recent occurrence of the 2019 coronavirus disease (COVID-19) outbreak, caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has highlighted the need for fast, accurate, and simple strategies to identify cases on a large scale. OBJECTIVE: This study aims to develop and test an accurate detection and severity classification methodology that may help medical professionals and non-radiologists recognize the behavior and propagation mechanisms of the virus by viewing computed tomography (CT) images of the lungs with implicit materials. METHODS: In this study, the

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Hussein, Khalid I., Mohammed S. Alqahtani, Iwona Grelowska, et al. "Optically transparent glass modified with metal oxides for X-rays and gamma rays shielding material." Journal of X-Ray Science and Technology 29, no. 2 (2021): 331–45. http://dx.doi.org/10.3233/xst-200780.

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BACKGROUND: Metal oxide glass composites have attracted huge interest as promising shielding materials to replace toxic, heavy, and costly conventional shielding materials. OBJECTIVE: In this work, we evaluate shielding effectiveness of four novel tellurite-based glasses samples doped with oxide metals (namely, A, B, C, and D, which are 75TeO2- 10P2O5- 10ZnO- 5PbF2- 0.24Er2O3 ; 70TeO2- 10P2O5- 10ZnO- 5PbF2 -5MgO- 0.24Er2O3; 70TeO2- 10P2O5- 10ZnO- 5PbF2- 5BaO- 0.24Er2O3 ; and 70TeO2- 10P2O5-10ZnO- 5PbF2- 5SrO; respectively) by assessing them through a wide range of ionizing radiation energies (

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Kwak, Jong Hyeok, Chi Hyung Lee, Gyeong Rip Kim, et al. "Quality improvement of general anteroposterior radiographic image of vertebral body according to optimum angle of incidence." Journal of X-Ray Science and Technology 29, no. 2 (2021): 297–306. http://dx.doi.org/10.3233/xst-200786.

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OBJECTIVE: In this study, we present an appropriate angle of incidence to reduce the distortions in images of L4 and L5 during a general anteroposterior radiograph examination. METHOD: We selected 170 patients who had normal radiological findings among those who underwent anteroposterior and lateral examination for lumbar vertebrae. An optimum angle of incidence wa suggested through the statistical analysis by measuring the lumbar lordosis angle and the intervertebral disc angle in these 170 patients. RESULT: We suggested the incident angle (10.28°) of L4 and the incident angle (23.49°) of L5.

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Alhuthali, Abdullah M. S., Ashok Kumar, M. I. Sayyed, and Y. Al-Hadeethi. "X- ray absorption parameters studies of P2O5- SnCl2-SnO bioactive glass system." Journal of X-Ray Science and Technology 29, no. 2 (2021): 373–82. http://dx.doi.org/10.3233/xst-200821.

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The main objective of this work is to explore the X-ray interaction properties of P2O5- SnCl2-SnO bioactive glass system using Photon Shielding and Dosimetry (Phys-X/PSD) software in the energy range 10–150 keV. The study of these parameters will have applications in various fields of nuclear medicine, medical technology, and other medical applications. The value of mass attenuation coefficients (μm) and effective atomic numbers (Zeff) decrease whereas the value of mean free path as well as half value layer increases with rises in energy in the selected energy range. The study results indicate

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Shen, Wenting, Yang Chen, Wen Qian, et al. "Impact of respiratory motion artifact on coronary image quality of one beat coronary CT angiography." Journal of X-Ray Science and Technology 29, no. 2 (2021): 287–96. http://dx.doi.org/10.3233/xst-200812.

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BACKGROUND: Accuracy of CT-derived fractional flow reserve depends on good image quality. Thus, improving image quality during coronary CT angiography (CCTA) is important. OBJECTIVE: To investigate impact of respiratory motion artifact on coronary image quality focusing on vessel diameter and territory during one beat CCTA by a 256-row detector. METHODS: We retrospectively reviewed patients who underwent CCTA under free-breathing (n = 100) and breath-holding (n = 100), respectively. Coronary image quality is defined as 4-1 from excellent to poor (non-diagnostic) and respiratory motion artifact

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Zhu, Zhenyue, Shujing Lyu, and Yue Lu. "A few-shot segmentation method for prohibited item inspection." Journal of X-Ray Science and Technology 29, no. 3 (2021): 397–409. http://dx.doi.org/10.3233/xst-210846.

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BACKGROUND: With the rapid development of deep learning, several neural network models have been proposed for automatic segmentation of prohibited items. These methods usually based on a substantial amount of labelled training data. However, for some prohibited items of rarely appearing, it is difficult to obtain enough labelled samples. Furthermore, the category of prohibited items varies in different scenarios and security levels, and new items may appear from time to time. OBJECTIVE: In order to predict prohibited items with only a few annotated samples and inspect prohibited items of new c

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Rezaeijo, Seyed Masoud, Razzagh Abedi-Firouzjah, Mohammadreza Ghorvei, and Samad Sarnameh. "Screening of COVID-19 based on the extracted radiomics features from chest CT images." Journal of X-Ray Science and Technology 29, no. 2 (2021): 229–43. http://dx.doi.org/10.3233/xst-200831.

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BACKGROUND AND OBJECTIVE: Radiomics has been widely used in quantitative analysis of medical images for disease diagnosis and prognosis assessment. The objective of this study is to test a machine-learning (ML) method based on radiomics features extracted from chest CT images for screening COVID-19 cases. METHODS: The study is carried out on two groups of patients, including 138 patients with confirmed and 140 patients with suspected COVID-19. We focus on distinguishing pneumonia caused by COVID-19 from the suspected cases by segmentation of whole lung volume and extraction of 86 radiomics fea

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Li, Lu-Lu, Huang Wang, Jian Song, Jin Shang, Xiao-Ying Zhao, and Bin Liu. "A feasibility study of realizing low-dose abdominal CT using deep learning image reconstruction algorithm." Journal of X-Ray Science and Technology 29, no. 2 (2021): 361–72. http://dx.doi.org/10.3233/xst-200826.

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OBJECTIVES: To explore the feasibility of achieving diagnostic images in low-dose abdominal CT using a Deep Learning Image Reconstruction (DLIR) algorithm. METHODS: Prospectively enrolled 47 patients requiring contrast-enhanced abdominal CT scans. The late-arterial phase scan was added and acquired using lower-dose mode (tube current range, 175–545 mA; 80 kVp for patients with BMI ≤24 kg/m2 and 100 kVp for patients with BMI > 24 kg/m2) and reconstructed with DLIR at medium setting (DLIR-M) and high setting (DLIR-H), ASIR-V at 0% (FBP), 40% and 80% strength. Both the quantitative measurement

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Manerikar, Ankit, Fangda Li, and Avinash C. Kak. "DEBISim: A simulation pipeline for dual energy CT-based baggage inspection systems1." Journal of X-Ray Science and Technology 29, no. 2 (2021): 259–85. http://dx.doi.org/10.3233/xst-200808.

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BACKGROUND: Materials characterization made possible by dual energy CT (DECT) scanners is expected to considerably improve automatic detection of hazardous objects in checked and carry-on luggage at our airports. Training a computer to identify the hazardous items from DECT scans however implies training on a baggage dataset that can represent all the possible ways a threat item can packed inside a bag. Practically, however, generating such data is made challenging by the logistics (and the permissions) related to the handling of the hazardous materials. OBJECTIVE: The objective of this study

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Hu, Chunhong, Yu Zhang, Xing Xiong, et al. "Quantitative evaluation of bone marrow infiltration using dual-energy spectral computed tomography in patients with multiple myeloma." Journal of X-Ray Science and Technology 29, no. 3 (2021): 463–75. http://dx.doi.org/10.3233/xst-200811.

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OBJECTIVE: To explore the potential value of quantitative parameters derived from dual-energy spectral computed tomography (DESCT) as comparing to the parameters derived from magnetic resonance imaging (MRI) in detecting bone marrow (BM) infiltration and distinguishing different patterns of BM infiltration in patients diagnosed with Multiple myeloma (MM). METHODS: This study involved 35MM patients and 15 healthy control subjects who had undergone spinal DESCT and MRI. Pattern assignment was based on visual assessment of MR images, and the regions of interest were defined on both DESCT and appa

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Xue, Qian, Xiao-Han Yang, Gao-Jun Teng, and Shu-Dong Hu. "Chronic pontine strokes: Diffusion tensor imaging of corticospinal tract indicates the prognosis in terms of motor outcome." Journal of X-Ray Science and Technology 29, no. 3 (2021): 477–89. http://dx.doi.org/10.3233/xst-200817.

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OBJECTIVE: To investigate relationship between the diffusion indexes of corticospinal tract (CST) and the neurological motor outcomes in chronic pontine stroke patients. METHODS: Diffusion tensor imaging (DTI) is performed in 27 patients with chronic pontine stroke. Fractional anisotropy (FA) values along the CST area, the track number, and the CST length are measured. Neurological and motor outcomes are evaluated based on Fugl-meyer (FM), National Institutes of Health Stroke Scale (NIHSS), Barthel index (BI), and modified Rankin scale (mRS) scores. The relationships between FA ratios (rFAs) i

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Qian, Wen, Wangyan Liu, Yinsu Zhu, et al. "Influence of heart rate and coronary artery calcification on image quality and diagnostic performance of coronary CT angiography: comparison between 96-row detector dual source CT and 256-row multidetector CT." Journal of X-Ray Science and Technology 29, no. 3 (2021): 529–39. http://dx.doi.org/10.3233/xst-210837.

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BACKGROUND: CT-derived fractional flow reserve (FFRCT) and diagnostic accuracy rely on good image quality during coronary CT angiography (CCTA). OBJECTIVE: To investigate whether heart rate (HR) and coronary artery calcium (CAC) score decrease image quality and diagnostic performance of two advanced CT scanners including 96-row detector dual source CT (DSCT) and 256-row multidetector CT (MDCT). METHODS: First, 79 patients who underwent CCTA (42 with DSCT and 37 with MDCT) and invasive coronary angiography (ICA) are enrolled. Next, coronary segments with excellent image quality are evaluated an

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Kil, Sang Hyeong, Gyeong Rip Kim, Moo Seok Lee, et al. "Changes of electrical impedance characteristics with the radiation induced damage on biological tissue constituents." Journal of X-Ray Science and Technology 29, no. 3 (2021): 383–95. http://dx.doi.org/10.3233/xst-210840.

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This study analyzes the response of increasing radiation dose to the pork tenderloin tissue. Considering its significant cell structure, pork tenderloin tissue samples are selected for the experimental objects to measure their electrical impedance characteristics. This study proposes and investigates an effective approach to characterize the variation of the internal change of the components of pork tenderloin tissues caused by radiation. Changes in the pork tenderloin tissues are that the gap of the myotome is more far apart with increase of radiation dose because of the destroyed Myofibrils

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Wang, Xisheng, Zejian Zhang, Xia Zhu, et al. "A rare case of a cystic renal mass with heterotopic ossification and a mini literature review." Journal of X-Ray Science and Technology 29, no. 3 (2021): 541–49. http://dx.doi.org/10.3233/xst-210863.

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INTRODUCTION: It is a challenge to make accurate pre-surgical diagnosis for renal tumors. This study is to report the findings, management, and outcome of one rare case of ossification in a cystic renal mass. We present and discuss the pathological characteristics, radiologic features, and treatment alternatives of the patient. PATIENTS AND METHODS: A 38 years old female patient had intermittent epigastric pain and microscopic hematuria for two months. Computerized tomography (CT) scan and Magnetic Resonance imaging (MRI) showed a mass with rough edge and dense calcification in the upper pole

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Li, Heping, Xiangzhou Sun, Guihua Liu, et al. "Endovascular stent placement for nutcracker phenomenon." Journal of X-Ray Science and Technology 21, no. 1 (2013): 95–102. http://dx.doi.org/10.3233/xst-130356.

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