NLM Names Dr. Olivier Bodenreider as Acting Director of the Lister Hill National Center for Biomedical Communications

NLM Director Patricia Flatley Brennan, RN, PhD, has announced the appointment of Olivier Bodenreider, MD, PhD, as Acting Director of the Lister Hill National Center for Biomedical Communications (LHNCBC), effective November 1, 2018.
Source: NLM General Announcements - Category: Databases & Libraries Source Type: news

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Publication date: Available online 23 July 2019Source: ParticuologyAuthor(s): Lei Shi, Yurong He, Yanwei Hu, Xinzhi Wang, Baocheng Jiang, Yimin HuangAbstractSize-controlled hollow Fe3O4 nanospheres were synthesized via a one-pot hydrothermal method as a function of reaction time and sodium citrate, polyacrylamide, and urea content. Multiple characterization techniques such as scanning and transmission electron microscopy and Raman spectroscopy were employed to investigate the crystal structure and morphology of the obtained nanospheres. The Fe3O4 nanosphere formation mechanism was elucidated from analyzing the characteriza...
Source: Particuology - Category: Science Source Type: research
Publication date: Available online 23 July 2019Source: MethodsXAuthor(s): Amir Sheikhi, Joseph de Rutte, Reihaneh Haghniaz, Outman Akouissi, Alireza Sohrabi, Dino Di Carlo, Ali KhademhosseiniAbstractDespite the significant advances in designing injectable bulk hydrogels, the inability to control the pore interconnectivity and decoupling it from the matrix stiffness has tremendously limited the applicability of stiff, flowable hydrogels for 3D cellular engineering, e.g., in hard tissue engineering. To overcome this persistent challenge, here, we introduce a universal method to convert thermosensitive macromolecules with che...
Source: MethodsX - Category: Science Source Type: research
Publication date: Available online 22 July 2019Source: Composites Science and TechnologyAuthor(s): Jia-Qi Luo, Sai Zhao, Hao-Bin Zhang, Zhiming Deng, Lulu Li, Zhong-Zhen YuAbstractThe rapid popularity of portable and wearable electronics requires high-performance flexible electromagnetic interference (EMI) shielding materials to cope with increasingly severe electromagnetic wave pollution problems. To combine outstanding EMI shielding performance and excellent mechanical flexibility, we demonstrate an efficient vacuum-assisted filtration approach for the fabrication of flexible and highly conductive Ti3C2Tx MXene/natural r...
Source: Composites Science and Technology - Category: Science Source Type: research
Publication date: Available online 22 July 2019Source: Composites Science and TechnologyAuthor(s): Mingye Wang, Lichun Ma, Longlong Shi, Peifeng Feng, Xuejie Wang, Yingying Zhu, Guangshun Wu, Guojun SongAbstractA facile and rapid come close to the manufacture of advanced epoxy nanocomposites by grafting of nano-silicon dioxide (nano-SiO2) onto the graphene oxide (GO) through thiol-ene click reaction was reported. The correlations between surface modification, morphology, dispersion/exfoliation, interfacial interaction of sheets and the corresponding mechanical properties of the composites were methodically explored. It app...
Source: Composites Science and Technology - Category: Science Source Type: research
Publication date: Available online 22 July 2019Source: Composites Science and TechnologyAuthor(s): Dayong Huang, Xianqiong ZhaoAbstractAmongst the present prediction models of mechanical properties, the Weibull distribution has been introduced to describe the fiber length distribution. However, the Weibull distribution cannot capture the long tail decay, leading to underestimation of the fiber length factor (χ2). For the first time, two novel modified distribution functions are proposed based on Erlang-2 distribution and Weibull distribution, respectively. The modified Erlang distribution is derived from introducing a ...
Source: Composites Science and Technology - Category: Science Source Type: research
Publication date: Available online 22 July 2019Source: Composites Science and TechnologyAuthor(s): Dong Feng, Qingqing Wang, Dawei Xu, Pengju LiuAbstractThe formation of segregated conductive structure in a polymer matrix can remarkably improve the electrical and EMI shielding performance. Nevertheless, the insufficient interfacial bonding force among polymer domains generated during the conventional hot compressing process will seriously deteriorate the mechanical property of the final composite. Herein, high-performance polyetherimide/carbon nanotubes (PEI/CNTs) composites with segregated structure were facilely fabricat...
Source: Composites Science and Technology - Category: Science Source Type: research
This study compared the impact of nano-ubiquinone (Nubiq) with native ubiquinone (ubiq) reducing damage induced by Paracetamol-toxicity in rats. Paracetamol treatment produced an elevation in serum urea, uric acid, creatinine, C-reactive protein, renal nitric oxide, and lipid peroxide levels, and reductions in interleukin-10, superoxide dismutase, and glutathione levels. Meanwhile, c-Jun N-terminal kinases, vascular cell adhesion protein-1, cyclooxygenase-2 protein, and kidney injury molecule-1 were highly expressed, and NFE2-related factor 2 gene expression was down-regulated. Destruction of the epithelium, necrosis, and ...
Source: Toxicology Reports - Category: Toxicology Source Type: research
Publication date: Available online 22 July 2019Source: Toxicology ReportsAuthor(s): Abdel moniem S. Hassan, Fatma I. Abo El-Ela, Ayman Moustafa Abdel-AzizAbstractQuercetin (QT) is a natural antioxidant materials that’s possesses different type of pharmacological activities. In the current study, the protective effect QT against imidacloprid (IMD)-induced toxicity in rats was studied. The experiment included thirty-six adult male rats groups treated with QT, IMD (two different doses), their combinations and control non-treated group for 21 consecutive days. Different biochemical analysis (serum liver and kidney enzyme...
Source: Toxicology Reports - Category: Toxicology Source Type: research
Publication date: Available online 22 July 2019Source: Toxicology ReportsAuthor(s): O. S Awotunde, S.O Adewoye, Dhanabal P.S, J. HawumbaAbstractThe effect of administration of aqueous extract of Terminalia schimperiana root, “a medicinal plant”, on some ‘biomarker’ enzymes, hematology parameters, liver function and kidney function parameters of rat cellular system was investigated. The aqueous extract was administered orally to male wistar rats (Rattus norvegicus) at various doses (1000, 2000, 3000 mg/kg body weight) daily for 21 days and the rats were sacrificed under chloroform anesthesia a...
Source: Toxicology Reports - Category: Toxicology Source Type: research
Device tested in humans for first time, raising prospect of ‘fit and forget’ treatmentAn implant containing an HIV-prevention drug has been trialled in humans, in a step experts have hailed as an exciting development in curtailing infections.Pre-exposure prophylaxis, or PrEP, with antiretroviral drugs has become a hot topic in recent years, with the drugs shown tosubstantially reduce the riskof contracting HIV from an HIV-positive partner. PrEP pills arealready available through the NHS in Scotland to high-risk individuals, while trialsare under way in England.Continue reading...
Source: Guardian Unlimited Science - Category: Science Authors: Tags: Medical research Aids and HIV Society Science Health World news Source Type: news
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