Researchers trace Coronavirus outbreak in China to snakes

(Wiley) Emerging viral infections -- from bird flu to Ebola to Zika infections -- pose major threats to global public health, and understanding their origins can help investigators design defensive strategies against future outbreaks. A new study published in the Journal of Medical Virology provides important insights on the potential origins of the most recent outbreak of viral pneumonia in China, which started in the middle of December and now is spreading to Hong Kong, Singapore, Thailand, and Japan.
Source: EurekAlert! - Medicine and Health - Category: International Medicine & Public Health Source Type: news

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Conclusion: Taken together, these results suggest that SXD maybe alleviate EMT in DN via the inhibition of the TGF-β1/Smad/RUNX3 signaling pathway under hyperglycemic conditions.Graphical abstract
Source: Phytomedicine - Category: Drugs & Pharmacology Source Type: research
Publication date: Available online 21 February 2020Source: Carbohydrate PolymersAuthor(s): Jun Zhang, Zewen Mei, Xingxi Huang, Yueyue Ding, Yunxiang Liang, Yuxia MeiAbstractA low-molecular-weight chitosan (LMWC) sample was prepared by enzymatic hydrolysis, and used for investigation of special Maillard reaction products (MRPs) and factors affecting LMWC bioactivities. After undergoing MR, LMWC turned to brown color (termed BLMWC), showed reduction of several indices of rice growth promotion. This alteration of bioactivities was attributable to MRPs in BLMWC. A special MRP, 5-hydroxy-2-pyridine methanol isomer (5-H-2PMIS), ...
Source: Carbohydrate Polymers - Category: Biomedical Science Source Type: research
Publication date: Available online 21 February 2020Source: Chinese Chemical LettersAuthor(s): Chaonan Gu, Jingjing Li, Guang Yang, Liming Zhang, Chun-Sen Liu, Huan PangAbstractThis work introduces a simple and facile approach for the morphology and size controlled synthesis of Co-doped MIL-96. Using different bases as modulators, Co-doped MIL-96 was obtained with sizes that varied from 5 μm to 300 nm, and four different morphologies, including hexagonal prism, icosahedron, hexagonal spindle and ellipsoid. Among these, nano-sized Co-doped MIL-96 with an ellipsoid morphology exhibited the highest electroacti...
Source: Chinese Chemical Letters - Category: Chemistry Source Type: research
Publication date: Available online 21 February 2020Source: Chinese Chemical LettersAuthor(s): Shumeng Wu, He Wang, Li Li, Meixia Guo, Zhichong Qi, Qingyou Zhang, Yanmei ZhouAbstractCombining high conductivity, hydrophilicity and excellent electrochemical performance in one, MXenes have attracted increasing attention since their inception. However, easy to stack caused by the van der Waals’ force between the layers limits their practical application. Fortunately, intercalating other substances between layers of MXenes and getting intercalated MXene-based layered composites (IMLCs) with open structure can improve their...
Source: Chinese Chemical Letters - Category: Chemistry Source Type: research
Publication date: Available online 21 February 2020Source: Chinese Chemical LettersAuthor(s): Lei Zhou, Chang Du, Rong Zhang, Changming DongAbstractWe developed one-pot aqueous copolymerization of two dopamine prodrugs to prepare dual drugs-conjugated polydopamine nanoparticles (PDOXCBs), which integrated near infrared (NIR)-mediated photothermal effect with cocktail chemotherapy into one copolymer nanoparticle. Upon a mild NIR irradiation (808 nm, 1 W/cm2, 10 min), PDOXCBs gradually heated aqueous solution over 12.8―13.9 °C, which accordingly enhanced in vitro dual doxorubicin (DOX) and c...
Source: Chinese Chemical Letters - Category: Chemistry Source Type: research
Publication date: Available online 21 February 2020Source: Chinese Chemical LettersAuthor(s): Bo Fang, Zong Liu, Yufei Bao, Ligang FengAbstractSignificance of unstable species leaching was for the first time demonstrated on MOF-derived catalysts by taking PtNi-C as an example, that was instructive for the relevant catalyst fabrication and performance study. PtNi-C catalyst was synthesized by combining Pt nanoparticles with Ni-BTC after annealing in the tube furnace and the unstable Ni species can be easily leached out in nitric acid, and the stable PtNi nanoparticles trapped in the graphite carbon layer were obtained. The ...
Source: Chinese Chemical Letters - Category: Chemistry Source Type: research
Publication date: Available online 21 February 2020Source: Chemical Engineering JournalAuthor(s): Guomin Tang, Yongbing Zhang, Yujiang Wei, Shuang Wang, Pei Liu, Zhehua Jia, Xuemin Yu, Fang MaAbstractThe advanced treatment of biotreated Chinese patent medicine wastewater (BCPMW) was urgently necessitated to meet the strictest wastewater discharge standard. In the present study, combined ozone/peroxymonosulfate oxidation and upflow biological aerated filter process (O3/PMS-UBAF) significantly integrated advantages of O3/PMS oxidation and UBAF, and has been demonstrated to be very effective in the advanced treatment of BCPMW...
Source: Chemical Engineering Journal - Category: Chemistry Source Type: research
This article aims to explore the differences in rhetorical preferences between independently produced English and Chinese research article abstracts and the strategies used in translating Chinese RAAs into English. RAAs published in three journals between 2006 and 2016 were selected to form three corpora: corpus A consisting of 32 English RAAs, corpus B made up of 38 Chinese RAAs, and corpus C including 38 English RAAs which are translations of the RAAs in corpus B. Corpus A and B form a comparable corpus while corpus B and C constitute a parallel corpus. Results suggest that Chinese and English RAAs have different prefere...
Source: Lingua - Category: Speech-Language Pathology Source Type: research
We examined whether the relationship between perception and production of non-native sounds varies as a result of different types of input prompts (auditory vs. orthographic) for production, and whether this effect of input prompts on the perception-production relationship varies in different non-native sound contrasts, namely, English /ɹ/ vs. /l/ for native Japanese learners of English, and Japanese singleton vs. geminate consonants for native English learners of Japanese. The difference in the type of input prompt for production affected learners’ perception-production relationship to a larger extent for the Engli...
Source: Journal of Phonetics - Category: Speech-Language Pathology Source Type: research
CONCLUSIONS: The long-term mandatory USI program with timely adjustments is successful in preventing iodine deficiency disorders and it appears to be safe. The benefits outweigh the risks in a population with a stable median iodine intake level of up to 300 µg/L. PMID: 32075540 [PubMed - as supplied by publisher]
Source: Thyroid : official journal of the American Thyroid Association - Category: Endocrinology Tags: Thyroid Source Type: research
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