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https://www.readbyqxmd.com/read/28549375/interfacial-electrical-and-band-alignment-characteristics-of-hfo2-ge-stacks-with-in-situ-formed-sio2-interlayer-by-plasma-enhanced-atomic-layer-deposition
#1
Yan-Qiang Cao, Bing Wu, Di Wu, Ai-Dong Li
In situ-formed SiO2 was introduced into HfO2 gate dielectrics on Ge substrate as interlayer by plasma-enhanced atomic layer deposition (PEALD). The interfacial, electrical, and band alignment characteristics of the HfO2/SiO2 high-k gate dielectric stacks on Ge have been well investigated. It has been demonstrated that Si-O-Ge interlayer is formed on Ge surface during the in situ PEALD SiO2 deposition process. This interlayer shows fantastic thermal stability during annealing without obvious Hf-silicates formation...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28549302/partner-level-substance-use-associated-with-increased-sexual-risk-behaviors-among-men-who-have-sex-with-men-in-san-francisco-ca
#2
Robert E Brown, Caitlin Turner, Jaclyn Hern, Glenn-Milo Santos
BACKGROUND: Substance use is highly prevalent among men who have sex with men (MSM) and is associated with individual-level sexual risk behaviors. However, few studies have explored the relationship between substance use and HIV risk behaviors within partnerships. METHODS: We examined partner-level data between MSM participants (n=23) and their sexual partners (n=52). We used multivariable generalized estimating equations (GEE) logistic regression to assess the relationship between partner-level substance use during their last sexual encounter with each partner, and engaging in condomless anal intercourse (CAI) and serodiscordant CAI...
April 21, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28549255/determination-of-the-profile-of-do-and-its-mass-transferring-coefficient-in-a-biofilm-reactor-packed-with-semi-suspended-bio-carriers
#3
Bing Tang, Haoliang Song, Liying Bin, Shaosong Huang, Wenxiang Zhang, Fenglian Fu, Yiliang Zhao, Qianyu Chen
The work aims at illustrating the profile of DO and its mass transferring process in a biofilm reactor packed with a novel semi-suspended bio-carrier, and further revealing the main factors that influence the mass transferring coefficient of DO within the biofilm. Results showed that the biofilm was very easy to attach and grow on the semi-suspended bio-carrier, which obviously changed the DO profile inside and outside the biofilm. The semi-suspended bio-carrier caused three different mass transfer zones occurring in the bioreactor, including the zones of bulk solution, boundary layer and biofilm, in which, the boundary layer zone had an obvious higher mass transfer resistance...
May 16, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28549219/design-synthesis-and-properties-of-a-potent-inhibitor-of-pseudomonas-aeruginosa-deacetylase-lpxc
#4
Grazia Piizzi, David T Parker, Yunshan Peng, Markus Rolf Dobler, Anup Patnaik, Som Wattanasin, Eugene Liu, Francois Lenoir, Jill Nunez, John Kerrigan, David McKenney, Colin S Osborne, Donghui Yu, Leanne Lanieri, Jade Bojkovic, JoAnne Dzink-Fox, Maria-Dawn Lilly, Elizabeth R Sprague, Yipin Lu, Hongming Wang, Srijan Ranjitkar, Bing Wang, Meir Glick, Lawrence G Hamann, Ruben Tommasi, Xia Yang, Charles R Dean
Over the past several decades the frequency of antibacterial resistance in hospitals, including multi-drug resistance (MDR) and its association with serious infectious diseases, has increased at alarming rates. Pseudomonas aeruginosa is a leading cause of nosocomial infections, and resistance to virtually all approved antibacterial agents is emerging in this pathogen. To address the need for new agents to treat MDR P. aeruginosa, we focused on inhibiting the first committed step in the biosynthesis of lipid A, the deacetylation of uridyldiphospho-3-O-(R-hydroxydecanoyl)-N-acetylglucosamine by the enzyme LpxC...
May 26, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28549178/rhoa-rock-inhibition-improves-the-beneficial-effects-of-glucocorticoid-treatment-in-dystrophic-muscle-implications-for-stem-cell-depletion
#5
Xiaodong Mu, Ying Tang, Koji Takayama, Wanqun Chen, Aiping Lu, Bing Wang, Kurt Weiss, Johnny Huard
Glucocorticoid treatment represents a standard palliative treatment for Duchenne muscular dystrophy (DMD) patients, but various adverse effects have limited this treatment. In an effort to understand the mechanism(s) by which glucocorticoids impart their effects on the dystrophic muscle, and potentially reduce the adverse effects, we have studied the effect of prednisolone treatment in dystrophin/utrophin double knockout (dKO) mice, which exhibit a severe dystrophic phenotype due to rapid muscle stem cell depletion...
May 26, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28548952/bisphenol-a-exposure-promotes-htr-8-svneo-cell-migration-and-impairs-mouse-placentation-involving-upregulation-of-integrin-%C3%AE-1-and-mmp-9-and-stimulation-of-mapk-and-pi3k-signaling-pathways
#6
Xi Lan, Li-Juan Fu, Jun Zhang, Xue-Qing Liu, Hui-Jie Zhang, Xue Zhang, Ming-Fu Ma, Xue-Mei Chen, Jun-Lin He, Lian-Bing Li, Ying-Xiong Wang, Yu-Bin Ding
In this study, we investigated the effect of Bisphenol A (BPA), an endocrine-disrupting chemical, on the migration of human trophoblasts and mouse placentation by using the primary extravillous trophoblast (EVT) and its cell line HTR-8/SVneo, villous explant cultures, and pregnant mice. BPA increased EVT motility and the outgrowth of villous explants in a dose-dependent manner. BPA also increased the protein levels of integrin-β1 and matrix metalloproteinase (MMP)-9 in human EVTs. Low-dose BPA (≤50 mg) increased the protein levels of MMP-9 and MMP-2 as well as integrin-β1 and integrin-α5 in mouse placenta and decreased the proportion of the labyrinth and spongiotrophoblast layers...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548947/evaluation-of-cumulative-prognostic-score-based-on-pretreatment-plasma-fibrinogen-and-serum-albumin-levels-in-patients-with-newly-diagnosed-high-grade-gliomas
#7
Zhen-Qiang He, Hao Duan, Chao Ke, Xiang-Heng Zhang, Cheng-Cheng Guo, Fuad Al-Nahari, Ji Zhang, Zheng-He Chen, Yin-Sheng Chen, Zhi-Gang Liu, Jian Wang, Zhong-Ping Chen, Xiao-Bing Jiang, Yong-Gao Mou
This retrospective study was designed to determine the prognostic value of a cumulative score (FA score) based on pretreatment plasma fibrinogen and serum albumin levels for 326 patients newly diagnosed high-grade glioma (HGG). Receiver operating characteristic (ROC) curve analysis was performed to determine the optimal cut-off values. Univariate and multivariate analysis were performed to evaluate the independent prognostic value of the FA scores associated with overall survival (OS) and progression-free survival (PFS)...
May 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548110/corrigendum-lysine-acetylation-and-succinylation-in-hela-cells-and-their-essential-roles-in-response-to-uv-induced-stress
#8
Hong Xu, Xuanyi Chen, Xiaoli Xu, Rongyi Shi, Shasha Suo, Kaiying Cheng, Zhiguo Zheng, Meixia Wang, Liangyan Wang, Ye Zhao, Bing Tian, Yuejin Hua
This corrects the article DOI: 10.1038/srep30212.
May 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28548099/conformational-dynamics-of-dynamin-like-mxa-revealed-by-single-molecule-fret
#9
Yang Chen, Lei Zhang, Laura Graf, Bing Yu, Yue Liu, Georg Kochs, Yongfang Zhao, Song Gao
Human myxovirus resistance protein 1 (MxA) restricts a wide range of viruses and is closely related to the membrane-remodelling GTPase dynamin. The functions of MxA rely on domain rearrangements coupled with GTP hydrolysis cycles. To gain insight into this process, we studied real-time domain dynamics of MxA by single-molecule fluorescence resonance energy transfer. We find that the GTPase domain-bundle-signalling-element (BSE) region can adopt either an 'open' or a 'closed' conformation in all nucleotide-loading conditions...
May 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28547989/preservation-of-dna-nanostructure-carriers-effects-of-freeze-thawing-and-ionic-strength-during-lyophilization-and-storage
#10
Bing Zhu, Yan Zhao, Jiangbing Dai, Jianbang Wang, Shu Xing, Linjie Guo, Nan Chen, Xiangmeng Qu, Li Li, Juwen Shen, Jiye Shi, Jiang Li, Lihua Wang
DNA nanostructures have attracted wide interest in biomedical applications, especially as nanocarriers for drug delivery. Therefore, it is important to ensure the structural integrity of DNA nanostructures under ambient temperature storage. In this study, we examined lyophilization-based preservation of DNA nanostructures by investigating the structural integrity of different DNA nanostructures reconstituted from lyophilization. We demonstrated that lyophilization under appropriate ionic strength is amenable to the storage of DNA nanostructures...
May 26, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28547859/giant-cell-tumor-of-the-mobile-spine-occurring-in-pregnancy-a-case-report-and-literature-review
#11
Kai Zheng, Ming Xu, Bing Wang, Xiu-Chun Yu, Yong-Cheng Hu
Giant cell tumor (GCT) is a benign, locally aggressive tumor that rarely occurs in the spine. They usually occur in patients between 20 and 40 years of age; some patients with GCT present in hospital with pregnancy. The management of these patients can be challenging. The current study reports a case of GCT located in the sixth thoracic vertebra of a 31-year-old female at 34 weeks of gestation. An osteolytic lesion, 3.5 cm × 3.5 cm in diameter, was identified on CT. An MRI test of the lesion revealed a soft tissue mass involving the T 6-7 vertebrae, extending to the right pedicle of the T 6 vertebra and causing significant spinal cord compression...
May 26, 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28547702/emerging-treatments-in-eating-disorders
#12
REVIEW
Michael Lutter
Eating disorders (EDs), including anorexia nervosa, bulimia nervosa, and binge-eating disorder, constitute a class of common and deadly psychiatric disorders. While numerous studies in humans highlight the important role of neurobiological alterations in the development of ED-related behaviors, the precise neural substrate that mediates this risk is unknown. Historically, pharmacological interventions have played a limited role in the treatment of eating disorders, typically providing symptomatic relief of comorbid psychiatric issues, like depression and anxiety, in support of the standard nutritional and psychological treatments...
May 25, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28547665/comparison-of-endoscopic-ultrasonography-and-magnifying-endoscopy-for-assessment-of-the-invasion-depth-of-shallow-gastrointestinal-neoplasms-a-systematic-review-and-meta-analysis
#13
Zhang Tao, Chen Yan, He Zhao, Jiawei Tsauo, Xiaowu Zhang, Bing Qiu, Yanqing Zhao, Xiao Li
OBJECTIVES: To conduct a meta-analysis to provide accurate evidence regarding the preferred diagnostic method, magnifying endoscopy (ME) or endoscopic ultrasonography (EUS), for assessment of the depth of invasion of the gastrointestinal neoplasms. METHODS: PubMed, EMBASE, Ovid Medline, and the Cochrane Library databases were searched for studies published between January 1946 and October 2016, regarding the use of EUS and ME to assess the invasion depth of gastrointestinal cancers...
May 25, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28547647/isolated-ileocolonic-histoplasmosis-in-an-hiv-negative-patient
#14
Bing Zhang, Vanessa K Martin, Nima Motamedi, Ling Shao
No abstract text is available yet for this article.
May 25, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28547583/genome-wide-identification-and-characterization-of-phospholipase-c-gene-family-in-cotton-gossypium-spp
#15
Bing Zhang, Yanmei Wang, Jin-Yuan Liu
Phospholipase C (PLC) are important regulatory enzymes involved in several lipid and Ca(2+)-dependent signaling pathways. Previous studies have elucidated the versatile roles of PLC genes in growth, development and stress responses of many plants, however, the systematic analyses of PLC genes in the important fiber-producing plant, cotton, are still deficient. In this study, through genome-wide survey, we identified twelve phosphatidylinositol-specific PLC (PI-PLC) and nine non-specific PLC (NPC) genes in the allotetraploid upland cotton Gossypium hirsutum and nine PI-PLC and six NPC genes in two diploid cotton G...
May 19, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28547582/ran-binding-protein-9-ranbpm-binds-ifn-%C3%AE-r1-in-the-ifn-%C3%AE-signaling-pathway
#16
Junwen Zhang, Xiaojie Cong, Jiajie Zhaoqiao, Xia Yang, Meng Li, Hong Chen, Ruifang Mi, Guishan Jin, Fusheng Liu, Bing-Ren Huang
Like the type I interferons (IFNs), the recently discovered cytokine IFN-λ displays antiviral, antiproliferative, and proapoptotic activities, mediated by a heterodimeric IFN-λ receptor complex composed of a unique IFN-λR1 chain and the IL-10R2 chain. However, the molecular mechanism of the IFN-λ-regulated pathway remains unclear. In this study, we newly identified RAN-binding protein M (RanBPM) as a binding partner of IFN-λR1. The interaction between RanBPM and IFN-λR1 was identified with a glutathione S-transferase pull-down assay and coimmunoprecipitation experiments...
May 24, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28546905/high-density-microporous-li4ti5o12-microbars-with-superior-rate-performance-for-lithium-ion-batteries
#17
Linkai Tang, Yan-Bing He, Chao Wang, Shuan Wang, Marnix Wagemaker, Baohua Li, Quan-Hong Yang, Feiyu Kang
Nanosized Li4Ti5O12 (LTO) materials enabling high rate performance suffer from a large specific surface area and low tap density lowering the cycle life and practical energy density. Microsized LTO materials have high density which generally compromises their rate capability. Aiming at combining the favorable nano and micro size properties, a facile method to synthesize LTO microbars with micropores created by ammonium bicarbonate (NH4HCO3) as a template is presented. The compact LTO microbars are in situ grown by spinel LTO nanocrystals...
May 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28546869/smoking-alcohol-and-drug-use-in-youth-and-adults-with-attention-deficit-hyperactivity-disorder
#18
Sydney Osland, Lauren Hirsch, Tamara Pringsheim
BACKGROUND: Previous research suggests a relationship between attention-deficit hyperactivity disorder (ADHD) and smoking, alcohol and illicit drug use, however most studies have focused on adolescents or young adults, or clinically ascertained samples. AIMS: To analyse population-based data on the relationship between ADHD and at-risk health behaviours in adolescents and adults. METHOD: Data were derived from a Statistics Canada population-based health survey...
May 2017: BJPsych Open
https://www.readbyqxmd.com/read/28546432/regulation-of-the-endoplasmic-reticulum-stress-response-and-neuroprotective-effects-of-acupuncture-on-brain-injury-caused-by-heroin-addiction
#19
Yong-Long Gao, Yang Zhang, Jiang-Peng Cao, Sheng-Bing Wu, Xing-Hui Cai, Yan-Chun Zhang, Rong-Jun Zhang, Xiao-Ge Song, Li-Da Zhang
OBJECTIVES: To evaluate regulation of the endoplasmic reticulum stress (ERS) response by acupuncture and to investigate its neuroprotective effect on brain injury caused by heroin addiction. METHODS: A total of 48 male Sprague-Dawley rats were randomly divided into a healthy control group (Control), an untreated heroin exposed group (Heroin) and a heroin exposed group receiving electroacupuncture (EA) treatment at GV14 and GV20 (Heroin+acupuncture) with n=16 rats per group...
May 25, 2017: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/28546212/rapid-binge-like-eating-and-body-weight-gain-driven-by-zona-incerta-gaba-neuron-activation
#20
Xiaobing Zhang, Anthony N van den Pol
The neuronal substrate for binge eating, which can at times lead to obesity, is not clear. We find that optogenetic stimulation of mouse zona incerta (ZI) γ-aminobutyric acid (GABA) neurons or their axonal projections to paraventricular thalamus (PVT) excitatory neurons immediately (in 2 to 3 seconds) evoked binge-like eating. Minimal intermittent stimulation led to body weight gain; ZI GABA neuron ablation reduced weight. ZI stimulation generated 35% of normal 24-hour food intake in just 10 minutes. The ZI cells were excited by food deprivation and the gut hunger signal ghrelin...
May 26, 2017: Science
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