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Journal articles on the topic "GgH"

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Maezawa, Yukio, Kentaro Sakamaki, Naohide Oue, Yayoi Kimura, Itaru Hashimoto, Kentaro Hara, Kazuki Kano, et al. "High gamma-glutamyl hydrolase and low folylpolyglutamate synthetase expression as prognostic biomarkers in patients with locally advanced gastric cancer who were administrated postoperative adjuvant chemotherapy with S-1." Journal of Cancer Research and Clinical Oncology 146, no. 1 (November 21, 2019): 75–86. http://dx.doi.org/10.1007/s00432-019-03087-8.

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Abstract Purpose The enzymes gamma-glutamyl hydrolase (GGH) and folylpolyglutamate synthetase (FPGS) regulate intracellular folate concentrations needed for cell proliferation, DNA synthesis, and repair. High GGH expression affects 5-FU thymidylate synthase (TS) inhibition and is a risk factor for various malignancies. Here, the clinical significance of GGH and FPGS expression was investigated in Stage II/III gastric cancer patients undergoing postoperative adjuvant chemotherapy with S-1. Methods Surgical specimens of cancer tissue and adjacent normal mucosa, obtained from 253 patients with previously untreated gastric cancer, were examined. GGH and FPGS mRNA expression was measured by qPCR to evaluate their clinicopathological significance in gastric cancer patients after curative resection. Results While FPGS expression showed no significant differences between the cancerous and normal samples, GGH expression was higher in cancer tissue than in adjacent normal mucosa. High GGH expression was correlated with age, histological type, and vascular invasion. Overall survival (OS) of patients with high GGH mRNA expression was significantly poorer than of patients with low GGH expression. Multivariate analysis showed that high GGH expression was an independent prognostic factor of OS (HR: 2.58, 95% CI 1.29–5.16). Patients who received S-1 adjuvant treatment showed a significantly poor OS between high GGH/low FPGS and low GGH/high FPGS. Patients without adjuvant treatment showed no significant difference. Conclusion GGH expression was significantly higher in gastric cancer tissue than in adjacent normal mucosa. High GGH and low FPGS expression is a useful independent predictor of poor outcomes in stage II/III gastric cancer patients undergoing postoperative adjuvant chemotherapy with S-1.
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La, Ming, Yuanqiang Hao, Zhaoyang Wang, Guo-Cheng Han, and Lingbo Qu. "Selective and Sensitive Detection of Cyanide Based on the Displacement Strategy Using a Water-Soluble Fluorescent Probe." Journal of Analytical Methods in Chemistry 2016 (2016): 1–6. http://dx.doi.org/10.1155/2016/1462013.

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A water-soluble fluorescent probe (C-GGH) was used for the highly sensitive and selective detection of cyanide (CN−) in aqueous media based on the displacement strategy. Due to the presence of the recognition unit GGH (Gly-Gly-His), the probeC-GGH can coordinate with Cu2+and consequently display ON-OFF type fluorescence response. Furthermore, thein situformed nonfluorescentC-GGH-Cu2+complex can act as an effective OFF-ON type fluorescent probe for sensing CN−anion. Due to the strong binding affinity of CN−to Cu2+, CN−can extract Cu2+fromC-GGH-Cu2+complex, leading to the release ofC-GGH and the recovery of fluorescent emission of the system. The probeC-GGH-Cu2+allowed detection of CN−in aqueous solution with a LOD (limit of detection) of 0.017 μmol/L which is much lower than the maximum contaminant level (1.9 μmol/L) for CN−in drinking water set by the WHO (World Health Organization). The probe also displayed excellent specificity for CN−towards other anions, including F−, Cl−, Br−, I−, SCN−,PO43-,N3-,NO3-, AcO−,SO42-, andCO32-.
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Hara, Hiroshi, Takuya Suzuki, and Yoritaka Aoyama. "Ingestion of the soluble dietary fibre, polydextrose, increases calcium absorption and bone mineralization in normal and total-gastrectomized rats." British Journal of Nutrition 84, no. 5 (November 2000): 655–61. http://dx.doi.org/10.1017/s0007114500001999.

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We previously demonstrated that feeding a highly fermentable and water-soluble dietary fibre, guar-gum hydrolysate (GGH) increased intestinal absorption of insoluble Ca salts in total-gastrectomized rats. In the present study, we examined the effects of feeding a less fermentable and water-soluble fibre, polydextrose (PD), on Ca absorption and bone mineralization in the normal and total-gastrectomized rats in comparison with the effects of GGH. Apparent Ca absorption was severely lowered by gastrectomy, and PD feeding (50 g/kg diet) partially restored the reduction of Ca absorption similarly to GGH feeding (50 g/kg diet). PD feeding also increased the Ca absorption in normal rats, but not GGH feeding. Femur Ca concentration was reduced with gastrectomy. Feeding PD for 21 d increased the bone Ca concentration in both normal and gastrectomized rats, but GGH feeding did not. In rats fed PD, pH of the caecal contents was lower than in rats fed fibre-free and GGH diets; however, soluble Ca concentration in the caecal contents was not different between the diet groups. Short-chain fatty acid concentrations were much lower in the PD groups than in the GGH groups. We also examinedin vitroCa absorption by using everted sacs of the small intestine. Addition of PD to the serosal medium of the ileal sacs increased Ca absorption, but addition of GGH did not. These results suggest that the small intestine rather than the large intestine is responsible for the increase in Ca absorption in rats fed PD, and suggests that the mechanism for the increase by PD may be different from that by GGH.
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Hara, Hiroshi, Takuya Suzuki, Takanori Kasai, Yoritaka Aoyama, and Atsutane Ohta. "Ingestion of guar-gum hydrolysate partially restores calcium absorption in the large intestine lowered by suppression of gastric acid secretion in rats." British Journal of Nutrition 81, no. 4 (April 1999): 315–21. http://dx.doi.org/10.1017/s0007114599000562.

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We examined the effects of feeding guar-gum hydrolysate (GGH), a highly fermentable form of dietary fibre with low viscosity, on Ca absorption in the small and large intestines in rats under conditions in which gastric acid secretion was suppressed by a proton pump inhibitor, omeprazole. We also examined the role of the caecum in influencing these effects. The study was designed in a 2×2×2 factorial arrangement with two diet (GGH-containing (50 g/kg diet) and GGH-free diets) groups, two injection (omeprazole and vehicle) groups and two operation (sham and caecectomy) groups. Apparent Ca absorption was lower in rats administered omeprazole (30 mg/kg body weight per d) for 8 d than in rats administered the vehicle. Ingestion of GGH led to partial restoration of Ca absorption decreased by omeprazole treatment. However, this increment in Ca absorption was not sufficient to meet requirements because the dietary Ca level (3·0 g/kg diet) was the minimum requirement for the intact rats. The small increment in Ca absorption caused by the GGH diet was completely abolished by caecectomy. Soluble Ca pools in the caecal and colonic contents were increased by feeding GGH, and the soluble Ca concentrations were much higher than the Kt values of the Ca active transport system in the large intestine or the serum Ca concentration. These findings suggest that Ca solubilization is not a limiting factor for Ca absorption in the large intestine. Apparent Mg absorption was clearly lower in caecectomized rats than in sham-operated rats, and higher in the GGH-fed groups than in the groups fed on the GGH-free diet, even in the case of caecectomized rats. We conclude that Ca absorption lowered by inhibition of gastric acid secretion is partially restored in rats fed with GGH, but the increment is not sufficient to meet requirements.
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Sokouti, Massoud, Ali Zakerolhosseini, and Babak Sokouti. "Medical Image Encryption: An Application for Improved Padding Based GGH Encryption Algorithm." Open Medical Informatics Journal 10, no. 1 (October 28, 2016): 11–22. http://dx.doi.org/10.2174/1874431101610010011.

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Medical images are regarded as important and sensitive data in the medical informatics systems. For transferring medical images over an insecure network, developing a secure encryption algorithm is necessary. Among the three main properties of security services (i.e., confidentiality, integrity, and availability), the confidentiality is the most essential feature for exchanging medical images among physicians. The Goldreich Goldwasser Halevi (GGH) algorithm can be a good choice for encrypting medical images as both the algorithm and sensitive data are represented by numeric matrices. Additionally, the GGH algorithm does not increase the size of the image and hence, its complexity will remain as simple as O(n2). However, one of the disadvantages of using the GGH algorithm is the Chosen Cipher Text attack. In our strategy, this shortcoming of GGH algorithm has been taken in to consideration and has been improved by applying the padding (i.e., snail tour XORing), before the GGH encryption process. For evaluating their performances, three measurement criteria are considered including(i)Number of Pixels Change Rate (NPCR),(ii)Unified Average Changing Intensity (UACI), and(iii)Avalanche effect. The results on three different sizes of images showed that padding GGH approach has improved UACI, NPCR, and Avalanche by almost 100%, 35%, and 45%, respectively, in comparison to the standard GGH algorithm. Also, the outcomes will make the padding GGH resist against the cipher text, the chosen cipher text, and the statistical attacks. Furthermore, increasing the avalanche effect of more than 50% is a promising achievement in comparison to the increased complexities of the proposed method in terms of encryption and decryption processes.
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ALVER, ÖZGÜR, and CEMAL PARLAK. "VIBRATIONAL SPECTROSCOPIC INVESTIGATION AND CONFORMATIONAL ANALYSIS OF 1-PENTYLAMINE: A COMPARATIVE DENSITY FUNCTIONAL STUDY." Journal of Theoretical and Computational Chemistry 09, no. 03 (June 2010): 667–85. http://dx.doi.org/10.1142/s0219633610005888.

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The possible stable conformers of 1-pentylamine (1-pa) molecule were experimentally and theoretically studied by FT-IR and Raman spectroscopy in the region of 4000–400 cm-1. The optimized geometric structures concerning the minimum on the potential energy surface were investigated by Becke-3–Lee–Yang–Parr (B3LYP) density functional method together with 6-31G(d) basis set. Based on the energy calculations, 10 possible rotamers of 1-pa (TT, TG, GT, GT1, GG1, GG2, GG3, GG4, GG5 and GG6; T and G denote trans and gauge, respectively) were proposed. Optimized energies of the possible conformers were obtained in the gas phase and within the chloroform, carbon tetrachloride, methanol and water solvent environments all of which have different polarities. Comparison between the experimental and theoretical results based on the correlation graphics and mean absolute error calculations presented in this study indicates that density functional B3LYP method is able to provide satisfactory results for predicting vibrational wavenumbers and TT isomer is the most stable form of 1-pa molecule.
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Abdullah, Roheena, Samra Kiran, Mehwish Iqtedar, Afshan Kaleem, Faiza Saleem, Tehreema Iftikhar, Javaria Cheema, and Shagufta Naz. "Random mutagenesis and process optimization of bacterial co-culture for hyperproduction of 1,4-α-D-glucan glucanohydrolase using submerged fermentation." Chemical Industry 72, no. 6 (2018): 329–39. http://dx.doi.org/10.2298/hemind180213022a.

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The exponential increase in the application of 1,4-?-D-glucan glucanohydrolase (GGH) in various fields has placed stress and demand in both qualitative improvement and quantitative enhancement through strain improvement. In the present work, Bacillus subtilis LCBT-15 and Bacillus amyloliquefaciens LCBT-20 were subjected to physical as well as chemical mutagenesis for improving the GGH production potential. Applications of the UV light and ethidium bromide did not cause a significant increase in the enzyme production. However, Ethyl methane sulphonate (EMS) treated co-culture 10 gave 1.3-fold increase in the GGH production, in contrast to the wild co-culture. Different physicochemical parameters including fermentation media, rate of fermentation, temperature, pH, nitrogen and carbon sources and surfactants were also investigated. The M7 medium composition was optimized for GGH production after 48h of incubation at 37?C and pH 6. The optimum inoculum size was 3.5 ml (1x106 cells/ml) in 50 ml of medium. The best carbon and nitrogen sources were lactose (2.5 %); ammonium chloride (1.75 %) and beef extract (1 %), respectively. Optimal GGH production (287 U/ml) was obtained when the medium was supplemented with 0.05% Tween 80. The novelty of this work was exploration of the synergistic phenomena of mutant bacterial co-culture for the enhancement of GGH production.
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Xiao, Hai Ping, Lin Dong, Gao Yan Han, and Xiang Ning. "Influence of Gas-Gas Heater on Wet Flue Gas Desulfuration." Advanced Materials Research 986-987 (July 2014): 92–96. http://dx.doi.org/10.4028/www.scientific.net/amr.986-987.92.

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Material balance calculation was adopted to a wet flue gas desulfurization (WFGD) system for exploring impacts of gas-gas heater (GGH). Effects of GGH on flue and water consumption were analyzed. Results showed that inlet flue temperature of desulfurization tower reduced by 3.4 °C at 100% load after installation of GGH. Exhausted gas temperature of system increased by 34.9°C. The heat release of original flue in desulfurization tower reduced by 43.72%. Plume rise height was significantly improved. Water evaporation in desulfurization tower declined by 42.07%.Amount of addendum water reduced by 39.06%, and water vapor carried by flue decreased by 19.78% at the outlet of WFGD. Therefore, operation condition of flue emission is improved and water consumption decreases with GGH.
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Wu, Jiang, Jin Hong Zhang, Wei Feng Xu, Yu Ran Cai, Yuan Huang Ouyang, Chen Wang, Yi Peng Jiang, and Guan Jie Tong. "The Experimental Research on Corrosion of Gas-Gas Heater (GGH)." Advanced Materials Research 356-360 (October 2011): 1516–19. http://dx.doi.org/10.4028/www.scientific.net/amr.356-360.1516.

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Along with the rapid development of electric power industry in China, the pollutant discharge limits are getting more strict, and WFGD (wet flue gas desulfurization) technology and its equipment have been greatly developed and extensively applied, in which the gas-gas heater (GGH) is adopted at lots of the power stations. The corrosion is a very important issue in GGH, and it is experimentally studied in this paper. Through experiment of polarization curves and the control variable method, a comparative analysis of the corrosion resistance between the commonly used materials of the GGH is made. The results have shown that the corrosion resistance with the heat transfer surface in GGH will decrease with the temperature increasing, but the enamel steel’s corrosion resistance and stability is strikingly better than that of others, and the increasing volume of corrosion resistance by plating enamel is remarkable.
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Hara, Hiroshi, Masashi Nagata, Atsutane Ohta, and Takanori Kasai. "Increases in calcium absorption with ingestion of soluble dietary fibre, guar-gum hydrolysate, depend on the caecum in partially nephrectomized and normal rats." British Journal of Nutrition 76, no. 5 (November 1996): 773–84. http://dx.doi.org/10.1079/bjn19960083.

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Effects of feeding soluble dietary fibre on apparent Ca absorption and the contribution of the caecum to Ca absorption were examined in five-sixths nephrectomized (NPX)and normal rats with or without caecectomy in four experiments. It is known that Ca absorption is lowered by renal failure. In the first experiment the amounts of femur Ca increased linearly with increasing dietary Ca up to 3·0 g Ca/kg diet in intact rats. Partial nephrectomy decreased apparent Ca absorption in rats fed on diets containing 30 and 4·5 g Ca/kg diet. In the NPX groups, Ca absorption in rats fed on the diet containing guar-gum hydrolysate (GGH; 50 g/kg diet; 3·0 g Ca/kg diet) was significantly higher than that in rats fed on a fibre-free diet, and the increase in Ca absorption with GGH feeding was completely abolished by caecectomy. Also, ingestion of GGH increased Ca absorption in normal rats, but not in normal, caecectomized rats. Mg absorption was also increased with GGH feeding and was decreased with caecaectomyin NPX and normal rats. In experiments which used caecectomized rats, coprophagy wasprevented with an anal cup to avoid re-ingestion of faecal Ca. We conclude that ingestion of the soluble dietary fibre, GGH, increased apparent Ca absorption in NPX and non-NPX rats, and the caecum was responsible for these increases in Ca absorption.
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Dissertations / Theses on the topic "GgH"

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Antonelli, Erminia. "Crittografia post-quantica sui reticoli: esempi e applicazioni." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/17028/.

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Per crittografia post-quantica sui reticoli si intende l'insieme delle costruzioni crittografiche che coinvolgono i reticoli geometrici, nella prova di sicurezza o nella stessa costruzione. Il termine post-quantico sottolinea l'inesistenza, ad oggi, di attacchi quantistici efficienti per i problemi sui reticoli. Invece sono già noti algoritmi per computer quantistici che risolvono in tempo polinomiale i problemi della fattorizzazione e del logaritmo discreto, alla base della sicurezza dei sistemi maggiormente utilizzati e conosciuti. Il nostro punto di partenza è il risultato ottenuto da Ajtai nel 1996. Nell'articolo "Generating hard instances of lattice problems" egli mostra l'esistenza di un legame tra la crittografia e la difficoltà di alcuni problemi su reticoli. In particolare l'autore presenta un sistema la cui sicurezza si fonda sulla difficoltà di un problema nel caso peggiore. Al contrario, nei sistemi crittografici studiati sino a quel momento, la sicurezza si basa sulla difficoltà nel caso intermedio: si suppone che il problema sia mediamente difficile poichè alcune scelte dei parametri in gioco potrebbero portare alla sua risoluzione. Nel primo capitolo esporremo la parte propedeutica alla comprensione dei sistemi crittografici sui reticoli. Partiremo col dare la definizione di reticolo e descriverne le principali proprietà. Il corpo centrale invece sarà dedicato al problema SVP, ovvero la ricerca di un vettore di lunghezza minima nel reticolo, e allo studio di una sua possibile risoluzione, sia nel caso bidimensionale che per maggiori dimensioni. Descriveremo infine l'algoritmo LLL, evidenziandone vantaggi ed eventuali problematiche. Nel secondo capitolo l'analisi sarà concentrata sulla costruzione di tre sistemi che basano la loro sicurezza su SVP o sulla sua variante CVP (Closest vector problem), descrivendone gli algoritmi e riportando alcuni esempi per evidenziare la facilità dei calcoli coinvolti.
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Zini, Riccardo. "Studio della produzione VBF per la ricerca del decadimento in due muoni del bosone di Higgs con il rivelatore CMS a LHC." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/19955/.

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Lo studio descritto in questa tesi è volto a migliorare la selezione degli eventi per la ricerca del bosone di Higgs del Modello Standard nel canale di decadimento in due muoni con il rivelatore CMS ad LHC. Sono stati analizzati i dati raccolti durante il Run del 2017, corrispondenti ad una luminosità integrata di fb-1 . La selezione degli eventi studiata consiste in una categorizzazione del segnale basata sul meccanismo di produzione, che separi gli eventi prodotti tramite il meccanismo di Gluon Fusion (ggH) da quelli prodotti tramite il meccanismo di Vector Boson Fusion (VBF). La topologia di questi ultimi è caratterizzata dalla presenza di due jet, a grande angolo ed elevata massa invariante, prodotti insieme al bosone di Higgs. Questo consente una più efficace reiezione del fondo rispetto al caso inclusivo. A tutti gli eventi non VBF-like è stata applicata un'ulteriore categorizzazione basata sulla pseudorapidità del muone più in "avanti’’, che consente di sfruttare la diversa risoluzione del momento E' stata confrontata la significatività ottenuta combinando le quattro categorie con quella del caso inclusivo,ottenendo un guadagno di circa l'8\%.
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Avogbé, Patrice Hodonou. "Déterminants génétiques de la réparation d'ADN et du métabolisme des monocarbones : approche gènes candidats et études d'association avec le risque de carcinome hépatocellulaire et le cancer du poumon." Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0201/document.

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Mondialement, le carcinome hépatocellulaire (CHC) et le cancer du poumon (CP) constituent un problème majeur de santé publique. Plusieurs études d'association gène candidat ont montré que les SNPs de gènes candidats à la réparation d'ADN et au métabolisme des monocarbones (MMC) influencent le risque de CHC et CP. Toutefois, aucune étude n'a évalué, de façon exhaustive, l'influence des SNPs de la réparation d'ADN ou du MMC avec le risque de CP ou de CHC. Notre étude vise à identifier - à l'aide de deux SNP array de 384 SNPs - les polymorphismes génétiques de la réparation d'ADN et du MMC qui sont prédictifs du risque de CHC chez des Caucasiens cirrhotiques. Nous avons aussi recherché les déterminants génétiques de la réparation d'ADN associés au risque de CP. Nos résultats ont montré que six SNPs du gène BRIP1 (BRCA1interacting protein C?terminal helicase ; rs4986763, rs4986764, rs1557720, rs4986765, rs2191248, et rs11871785) étaient significativement associés au risque de CHC chez les patients porteurs d'une cirrhose d'étiologie virale selon le modèle génétique additif. Après correction de "False Discovery Rate", BRIP1 rs4986764 et rs1557720 étaient significativement associés au risque de CHC. Deux SNPs du MMC situés sur GGH (rs11545076 et rs11545077) étaient significativement associés au risque de CHC chez les patients porteurs d'une cirrhose d'étiologie non virale. Par ailleurs, seul le polymorphisme POLL rs3730477 était associé à un risque accru de CP dans le modèle génétique récessif. La dernière partie de notre étude était consacrée à l'analyse comparée d'hémogrammes et des dommages d'ADN chez des conducteurs de taxi-moto (CTM) de Cotonou - exposés à l?air pollué par le benzène et les HAPs -, et les témoins non exposés. Nos résultats ont montré une réduction significative du nombre des globules blancs, lymphocytes, neutrophiles et plaquettes, avec une misincorporation accrue d'uracile, de 8 oxodG et la présence d'un adduit majeur d'ADN chez les CTM par rapport aux témoins. En conclusion, nous avons identifié six variants sur BRIP1 et deux variants sur GGH associés au risque de CHC sur une cirrhose d'étiologie virale et non virale, respectivement. De plus, nous avons montré que POLL rs3730477 est un prédicteur significatif du risque de cancer du poumon. Une validation de ces résultats dans des cohortes indépendantes s'avère indispensable
Worldwide, hepatocellular carcinoma (HCC) and lung cancer (LC) represent a major public health problem. Previous studies reported associations between single nucleotide polymorphisms (SNPs) in DNA repair or monocarbon metabolism (MCM) genes and LC or HCC risk. However, influences of these SNPs on LC or HCC risk have not been comprehensively evaluated. Our study aimed to identify potential interesting DNA repair and MCM gene variants associated with HCC risk in cirrhotic Caucasians. To this end, we used the Illumina's GoldenGate® technology and performed a comprehensive investigation of 384 SNPs on 94 DNA repair genes and 384 SNPs on 77 MCM genes. This comprehensive SNP-array fine mapping approach was also used to identify potential interesting DNA repair gene variants associated with susceptibility to LC in Caucasians. Our results showed that six variants on BRIP1 gene (BRCA1 interacting protein C-terminal helicase: rs4986763, rs4986764, rs1557720, rs4986765, rs2191248, and rs11871785) were significantly associated with HCC risk in patients carrying hepatitis virus-associated cirrhosis under an additive genetic model. After false discovery rate (FDR) correction for multiple testing, BRIP1 rs4986764 and rs1557720 displayed statistically significant associations with HCC risk. Two SNPs on GGH gene were associated with HCC risk in patients carrying non viral cirrhosis. In our study, only POLL rs3730477 was associated with an increased LC risk under a recessive genetic model (OR=2.81, 95% CI 1.51?5.24). Lastly, we evaluated hematologic changes and levels of DNA adducts, 8-oxodG, dU, and m5dC in Cotonou's motorbike taxi drivers (MBTD) - exposed to air pollution by benzene and polycyclic aromatic hydrocarbons (PAHs) - compared to unexposed controls. Compared to controls, MBTD displayed a significant decrease in the number of white blood cells, lymphocytes, neutrophils and platelets, with the formation of an unknow DNA adduct, whereas uracil misincorporation and 8-oxodG levels in DNA were significantly increased. In conclusion, we identified six variants on BRIP1 gene and two variants on GGH gene that are associated with susceptibility to HCC. In addition, POLL rs3730477 variant was associated with susceptibility to LC. Replication of these findings in independent cohorts is warranted
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Silva, Inês Couto Hilário Soldin da. "" Avaliação Farmacogenómica do Cancro do Colo Uterino - Estudo dos Polimorfismos XRCC1 Arg399Gln e GGH-401C>T na Progressão da Doença e Resposta à Terapêutica "." Dissertação, Instituto de Ciências Biomédicas Abel Salazar, 2010. http://hdl.handle.net/10216/57205.

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Silva, Inês Couto Hilário Soldin da. "" Avaliação Farmacogenómica do Cancro do Colo Uterino - Estudo dos Polimorfismos XRCC1 Arg399Gln e GGH-401C>T na Progressão da Doença e Resposta à Terapêutica "." Master's thesis, Instituto de Ciências Biomédicas Abel Salazar, 2010. http://hdl.handle.net/10216/57205.

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Kamel, Sarah. "Sécurité pour les réseaux sans fil." Thesis, Paris, ENST, 2017. http://www.theses.fr/2017ENST0011/document.

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Aujourd’hui, le renforcement de la sécurité des systèmes de communications devient une nécessité, par anticipation du développement des ordinateurs quantiques et des nouvelles attaques qui en découleront. Cette thèse explore deux techniques complémentaires permettant d’assurer la confidentialité des données transmises sur des liens sans-fils. Dans la première partie de ce travail, nous nous intéressons au schéma de cryptographie à clé publique basée sur des réseaux de points, qui représente une des techniques les plus prometteuses pour la cryptographie post-quantique. En particulier, nous considérons le cryptosystème Goldreich-Goldwasser-Halevi (GGH), pour lequel nous proposons un nouveau schéma utilisant les GLD. Dans la seconde partie de ce travail, nous étudions la sécurité des canaux de diffusion multi-utilisateur, ayant accès à des mémoires de caches, en présence d'un espion. Nous considérons deux contraintes de sécurité: la contrainte de sécurité individuelle et la contrainte de sécurité jointe. Nous dérivons des bornes supérieure et inférieure pour le compromis sécurisé capacité-mémoire en considérant différentes distributions de cache. Afin d'obtenir la borne inférieure, nous proposons plusieurs schémas de codage combinant codage wiretap, codage basé sur la superposition et codage piggyback. Nous prouvons qu'il est plus avantageux d'allouer la mémoire de cache aux récepteurs les plus faibles
Today, there is a real need to strengthen the communication security to anticipate the development of quantum computing and the eventual attacks arising from it. This work explores two complementary techniques that provide confidentiality to data transmitted over wireless networks. In the first part, we focus on lattice-based public-key cryptography, which is one of the most promising techniques for the post-quantum cryptography systems. In particular, we focus on the Goldreich-Goldwasser-Halevi (GGH) cryptosystem, for which we propose a new scheme using GLD lattices. In the second part of this work, we study the security of multi-user cache-aided wiretap broadcast channels (BCs) against an external eavesdropper under two secrecy constraints: individual secrecy constraint and joint secrecy constraint. We compute upper and lower bounds on secure capacity-memory tradeoff considering different cache distributions. To obtain the lower bound, we propose different coding schemes that combine wiretap coding, superposition coding and piggyback coding. We prove that allocation of the cache memory to the weaker receivers is the most beneficial cache distribution scenario
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Rödel, Raimund Aurada Klaus D. "Die Auswirkungen des historischen Talsperrenbaus auf die Zuflußverhältnisse der Ostsee : [Klaus-Dieter Aurada zum 60. Geburtstag gewidmet] /." Greifswald : Ernst-Moritz-Arndt-Univ., Geograph. Inst, 2001. http://www.uni-greifswald.de/~geograph/gga.

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Amaral, Emília. "O leitor segundo G.H." [s.n.], 2001. http://repositorio.unicamp.br/jspui/handle/REPOSIP/251593.

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Orientador: Joaquim Brasil Fontes
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Educação
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Doutorado
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Martinez, Felipe Sevilhano 1986. "Van Gogh no MASP." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/279650.

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Orientador: Jorge Sidney Coli Júnior
Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Filosofia e Ciências Humanas
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Resumo: O Museu de Arte de São Paulo (MASP) possui cinco obras do pintor holandês Vincent van Gogh em sua coleção. São elas: Natureza Morta com Vaso, Prato e Flores; O Escolar; O Banco de Pedra no Asilo em Saint-Rémy; A Arlesiana; O Passeio ao Crepúsculo. O presente trabalho estuda as questões suscitadas por tais obras, de modo a compreender aspectos fundamentais sobre a obra e a biografia de van Gogh. A partir das obras da coleção, o presente estudo aborda questões que variam desde um problema de atribuição, até aspectos concernentes à mitologia criada em torno do pintor, marcada pela loucura e pelo suicídio
Abstract: There are five pictures by the Dutch painter Vincent van Gogh at the permanent collection of the Museu de Arte de São Paulo. They are: The Still Life with Vase Plate and Flowers; The Schoolboy; The Stone Bench at the Saint-Rémy Asylum; L¿Arlesienne; The Evening Walk. The present study aims to answer the questions posed by these artworks, which vary from an attribution problem to issues concerning the mythology created around the painter, marked by madness and suicide
Mestrado
Historia da Arte
Mestre em História
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Gandié-Espalieu, Christèle. "La maladie de Van Gogh." Saint-Etienne, 1995. http://www.theses.fr/1992STET6230.

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Books on the topic "GgH"

1

Bleasdale, Alan. GBH. London: Hutchinson, 1987.

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Dick, Claésson, ed. GDH. Göteborg: Litterär gestaltning, Göteborgs universitet, 2010.

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James, Smith, ed. Van Gogh. Bath: Parragon, 2001.

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Van Gogh. Florence: McRae Books, 2004.

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Sateren, Shelley Swanson. Van Gogh. London: Franklin Watts, 2006.

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Uhde, Wilhelm. Van Gogh. 3rd ed. London: Phaidon, 1991.

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Sánchez, Laura García. Van Gogh. Madrid: Susaeta, 2000.

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Van Gogh. New York, NY: H. Holt, 1990.

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Bonafoux, Pascal. Van Gogh. Rochester: Grange, 1998.

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Huyghe, René. Van Gogh. Norwalk, Conn: Easton Press, 1988.

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Book chapters on the topic "GgH"

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Hu, Yupu, and Huiwen Jia. "Cryptanalysis of GGH Map." In Advances in Cryptology – EUROCRYPT 2016, 537–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49890-3_21.

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Nguyen, Phong Q., and Oded Regev. "Learning a Parallelepiped: Cryptanalysis of GGH and NTRU Signatures." In Advances in Cryptology - EUROCRYPT 2006, 271–88. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11761679_17.

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Szydlo, Michael. "Hypercubic Lattice Reduction and Analysis of GGH and NTRU Signatures." In Lecture Notes in Computer Science, 433–48. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/3-540-39200-9_27.

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Wang, Maoning. "An Improved Analysis of Broadcast Attacks on the GGH Cryptosystem." In Information Security Applications, 146–58. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-31875-2_13.

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Pei, Zhao, and Wang Kun. "Analysis on Chimney Inner Wall Anti-corrosion in GGH Eliminated Wet Desulfurization System." In Electrostatic Precipitation, 597–601. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-89251-9_123.

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Timson, David J., Richard J. Reece, James B. Thoden, Hazel M. Holden, Andrea L. Utz, Beverly M. K. Biller, Eugen-Matthias Strehle, et al. "GJH." In Encyclopedia of Molecular Mechanisms of Disease, 701. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-29676-8_8837.

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Bensard, Denis D., Kathryn M. Beauchamp, Ryan T. Hurt, Stephen A. McClave, Angela M. Mills, Esther H. Chen, J. P. J. Wester, et al. "GGT." In Encyclopedia of Intensive Care Medicine, 982. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-00418-6_1644.

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Delespaul, Philippe, Michael Milo, Frank Schalken, Wilma Boevink, and Jim Os. "Wat Is Dat Eigenlijk, Goede GGZ?" In Goede GGZ!, 15–18. Houten: Bohn Stafleu van Loghum, 2018. http://dx.doi.org/10.1007/978-90-368-2062-2_1.

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Delespaul, Philippe, Michael Milo, Frank Schalken, Wilma Boevink, and Jim Os. "Conclusies." In Goede GGZ!, 98–101. Houten: Bohn Stafleu van Loghum, 2018. http://dx.doi.org/10.1007/978-90-368-2062-2_10.

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Delespaul, Philippe, Michael Milo, Frank Schalken, Wilma Boevink, and Jim Os. "Zorg op een schaal die werkt: de persoon in context." In Goede GGZ!, 105–12. Houten: Bohn Stafleu van Loghum, 2018. http://dx.doi.org/10.1007/978-90-368-2062-2_11.

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Conference papers on the topic "GgH"

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Gu, Chunsheng, Zhimin Yu, Zhengjun Jing, Peizhong Shi, and Jin Qian. "Improvement of GGH Multilinear Map." In 2015 10th International Conference on P2P, Parallel, Grid, Cloud and Internet Computing (3PGCIC). IEEE, 2015. http://dx.doi.org/10.1109/3pgcic.2015.19.

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Barros, Charles F. de, and L. Menasché Schechter. "GGH may not be dead after all." In XXXV CNMAC - Congresso Nacional de Matemática Aplicada e Computacional. SBMAC, 2015. http://dx.doi.org/10.5540/03.2015.003.01.0095.

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Kamel, Sarah, Mireille Sarkiss, and Ghaya Rekaya-Ben Othman. "Generalized low density lattices for GGH cryptosystem." In 2016 2nd International Conference on Frontiers of Signal Processing (ICFSP). IEEE, 2016. http://dx.doi.org/10.1109/icfsp.2016.7802951.

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Kamel, Sarah, Mireille Sarkiss, and Ghaya Rekaya-Ben Othman. "Improving GGH cryptosystem using generalized low density lattices." In 2016 International Conference on Advanced Communication Systems and Information Security (ACOSIS). IEEE, 2016. http://dx.doi.org/10.1109/acosis.2016.7843914.

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Buczek, H. "Electron-Beam Fabricated Computer-Generated Holograms (GGH) For Aberration Correction Of Holographic Optical Elements (HOE)." In 14th Congress of the International Commission for Optics, edited by Henri H. Arsenault. SPIE, 1987. http://dx.doi.org/10.1117/12.967313.

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Kao, Yu-Lan, Yih-Ping Su, Hung-Wen Tsai, Ih-Jen Su, Selena Lin, Wei Song, and Ying-Hsiu Su. "Abstract 3630: Comprehensive integrated HBV DNA profiling in HCC patients with GGH by HBV-targeted NGS andPacBio sequencinganalysis." In Proceedings: AACR Annual Meeting 2020; April 27-28, 2020 and June 22-24, 2020; Philadelphia, PA. American Association for Cancer Research, 2020. http://dx.doi.org/10.1158/1538-7445.am2020-3630.

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Kim, Sung-Eun, Peter D. Cole, Kyoung-Jin Sohn, Robert C. Cho, Ruth Croxford, Barton A. Kamen, and Young-In Kim. "Abstract 1607: Effect of folate and GGH modulation on chemosensitivity of colon and breast cancer cells to 5-fluorouracil and methotrexate." In Proceedings: AACR 101st Annual Meeting 2010‐‐ Apr 17‐21, 2010; Washington, DC. American Association for Cancer Research, 2010. http://dx.doi.org/10.1158/1538-7445.am10-1607.

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Sasaki, Yoshiki, Yoshimitsu Tsumita, Masahiro Torii, and Yuusuke Mori. "Operation Results of IHI Flue Gas Desulfurization System for Unit 1(1,000MW) at Hitachinaka Power Station and Unit 1 at Mizue Power Station." In ASME 2005 Power Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pwr2005-50353.

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Unit 1 at Hitachinaka Power Station, which is the newest 1,000MW coal fired power station of Tokyo Electric Power Co., Inc., entered into the commercial operation in December 2003. IHI (Ishikawajima-Harima Heavy Industries Co., Ltd.) constructed the flue gas treatment system with the state-of-the-art technology and low emission values. To meet demands for both reducing construction cost and high performance, IHI applied a single rectangular Absorber based on the simultaneous desulfurization and oxidation method, Nonleakage type Gas-Gas Heater (GGH) and Electrostatic Precipitator (ESP) at low-low temperature position. Unit 1 at Mizue Power Station of GENEX Co., Ltd., which is one of the independent power produces, entered into the commercial operation in June 2003. In this plant, IHI applied a high performance spray tower Absorber and wet type Electrostatic Precipitator (ESP) to meet the high desulfurization efficiency for vacuum residue oil firing and extremely rigorous regulation owing to location near the metropolitan area.
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Bhatnagar, S., and A. N. Mitra. "Gluonium(gg), glue ball (ggg) and hybrid (gqq̄) states." In GLUEBALLS, HYBRIDS, AND EXOTIC HADRONS. AIP, 1989. http://dx.doi.org/10.1063/1.38148.

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Montaño, J., J. J. Toscano, F. Ramírez-Zavaleta, A. Flores-Tlalpa, Alejandro Ayala, Guillermo Contreras, Ildefonso Leon, and Pedro Podesta. "Decays Z,Z[sup ʹ]→ggg,ggγ in the minimal 3-3-1 model." In XII MEXICAN WORKSHOP ON PARTICLES AND FIELDS. AIP, 2011. http://dx.doi.org/10.1063/1.3622746.

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Reports on the topic "GgH"

1

Oberer, R. B., C. A. Gunn, and L. G. Chiang. Far-Field Approximation in the Generalized Geometry Holdup (GGH) Model. Office of Scientific and Technical Information (OSTI), September 2006. http://dx.doi.org/10.2172/900342.

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Oberer, R. B., C. A. Gunn, and L. G. Chiang. Inherent Negative Biases in the Generalized Geometry Holdup (GGH) Model. Office of Scientific and Technical Information (OSTI), September 2006. http://dx.doi.org/10.2172/900343.

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Skone, Timothy J. Indirect Land Use GHG. Office of Scientific and Technical Information (OSTI), December 2012. http://dx.doi.org/10.2172/1509279.

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Skone, Timothy J. Direct Land Use GHG, Reversion. Office of Scientific and Technical Information (OSTI), August 2013. http://dx.doi.org/10.2172/1509272.

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Skone, Timothy J. Direct Land Use GHG, No Reversion. Office of Scientific and Technical Information (OSTI), August 2013. http://dx.doi.org/10.2172/1509271.

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Ura, Karma, Sabina Alkire, Tshoki Zangmo, and Karma Wangdi. An Extensive Analysis of GNH Index. The Centre for Bhutan Studies, May 2012. http://dx.doi.org/10.35648/20.500.12413/11781/ii036.

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Prok, Yelena. GDH Integral on the Proton from Asymmetries. Office of Scientific and Technical Information (OSTI), May 2004. http://dx.doi.org/10.2172/824909.

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Biraud, S. C., and K. Reichl. Aerosol Observing System Greenhouse Gas (AOS GhG) Handbook. Office of Scientific and Technical Information (OSTI), March 2016. http://dx.doi.org/10.2172/1246161.

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Ura, Karma, Sabina Alkire, and Tshoki Zangmo. Bhutan: Gross National Happiness and the GNH index. The Centre for Bhutan Studies, 2012. http://dx.doi.org/10.35648/20.500.12413/11781/ii016.

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Snowden-Swan, Lesley J., and Jonathan L. Male. Summary of Fast Pyrolysis and Upgrading GHG Analyses. Office of Scientific and Technical Information (OSTI), December 2012. http://dx.doi.org/10.2172/1072913.

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