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https://www.readbyqxmd.com/read/29150676/severe-pollution-in-china-amplified-by-atmospheric-moisture
#1
Xuexi Tie, Ru-Jin Huang, Junji Cao, Qiang Zhang, Yafang Cheng, Hang Su, Di Chang, Ulrich Pöschl, Thorsten Hoffmann, Uli Dusek, Guohui Li, Douglas R Worsnop, Colin D O'Dowd
In recent years, severe haze events often occurred in China, causing serious environmental problems. The mechanisms responsible for the haze formation, however, are still not well understood, hindering the forecast and mitigation of haze pollution. Our study of the 2012-13 winter haze events in Beijing shows that atmospheric water vapour plays a critical role in enhancing the heavy haze events. Under weak solar radiation and stagnant moist meteorological conditions in winter, air pollutants and water vapour accumulate in a shallow planetary boundary layer (PBL)...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150618/lexical-processing-of-chinese-sub-character-components-semantic-activation-of-phonetic-radicals-as-revealed-by-the-stroop-effect
#2
Su-Ling Yeh, Wei-Lun Chou, Pokuan Ho
Most Chinese characters are compounds consisting of a semantic radical indicating semantic category and a phonetic radical cuing the pronunciation of the character. Controversy surrounds whether radicals also go through the same lexical processing as characters and, critically, whether phonetic radicals involve semantic activation since they can also be characters when standing alone. Here we examined these issues using the Stroop task whereby participants responded to the ink color of the character. The key finding was that Stroop effects were found when the character itself had a meaning unrelated to color, but contained a color name phonetic radical (e...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150595/notch1-signaling-activation-contributes-to-adult-hippocampal-neurogenesis-following-traumatic-brain-injury
#3
Ming Tu, Penglei Zhu, Shaobo Hu, Wei Wang, Zhipeng Su, Jiaqing Guan, Chongran Sun, Weiming Zheng
BACKGROUND Neural stem cells are reported to exist in the hippocampus of adult mammals and are important sources of neurons for repair. The Notch1 signaling pathway is considered as one of the important regulators of neural stem cells, but its role in adult brains is unclear. We aimed to describe the role of Notch1 signaling in the adult rat hippocampus after traumatic brain injury. MATERIAL AND METHODS The model rats were randomly divided into 4 groups as follows: sham, sham-TBI, sham-Ad-TBI, and NICD-Ad-TBI...
November 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29150250/a-randomized-multicenter-double-blind-placebo-controlled-study-to-evaluate-the-efficacy-and-the-tolerability-of-a-triple-combination-of-amlodipine-losartan-rosuvastatin-in-patients-with-comorbid-essential-hypertension-and-hyperlipidemia
#4
Hae-Young Lee, Seok-Yeon Kim, Kee-Joon Choi, Byung-Su Yoo, Dong-Hun Cha, Hae Ok Jung, Dong-Ryeol Ryu, Joon Hyouk Choi, Kwang Je Lee, Tae Ho Park, Ju Hyeon Oh, Sang Min Kim, Ji-Yong Choi, Kye Hun Kim, Jaemin Shim, Woo-Shik Kim, Si-Wan Choi, Dae-Gyun Park, Pil-Sang Song, Taek-Jong Hong, Moo-Yong Rhee, Seung-Woon Rha, Seung Woo Park
PURPOSE: The objective of this study was to evaluate the efficacy and tolerability of a triple combination of amlodipine/losartan/rosuvastatin in patients with hypertension and hypercholesterolemia. METHODS: A randomized, multicenter, double-blind, placebo-controlled study was conducted. Eligible patients with hypertension and a sitting diastolic blood pressure (SiDBP) of >90 mm Hg and LDL-C levels <250mg/dL were screened. After a 4-week run-in period with therapeutic lifestyle changes and losartan potassium 100mg once daily, patients who met both blood pressure criteria (80 mm Hg ≤ SiDBP < 110 mm Hg) and the LDL-C level criteria (defined in the National Cholesterol Education Program Adult Treatment Panel III cardiovascular risk categories) were randomized to 1 of 3 groups and treated once daily for 8 weeks: losartan potassium 100mg + rosuvastatin 20mg treatment (L/R 100/20) group, amlodipine camsylate 5mg + losartan potassium 100mg treatment (A/L 5/100) group, and amlodipine 5mg+ losartan potassium 100mg + rosuvastatin 20mg (A/L/R 5/100/20) group...
November 14, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/29149994/a-novel-fluorescence-biosensor-for-sensitivity-detection-of-tyrosinase-and-acid-phosphatase-based-on-nitrogen-doped-graphene-quantum-dots
#5
Zhengyi Qu, Weidan Na, Xiaotong Liu, Hua Liu, Xingguang Su
In this paper, we developed a sensitive fluorescence biosensor for tyrosinase (TYR) and acid phosphatase (ACP) activity detection based on nitrogen-doped graphene quantum dots (N-GQDs). Tyrosine could be catalyzed by TYR to generate dopaquinone, which could efficiently quench the fluorescence of N-GQDs, and the degree of fluorescence quenching of N-GQDs was proportional to the concentration of TYR. In the presence of ACP, l-Ascorbic acid-2-phosphate (AAP) was hydrolyzed to generate ascorbic acid (AA), and dopaquinone was reduced to l-dopa, resulting in the fluorescence recovery of the quenched fluorescence by dopaquinone...
January 2, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29149989/low-background-and-visual-detection-of-antibiotic-based-on-target-activated-colorimetric-split-peroxidase-dnazyme-coupled-with-dual-nicking-enzyme-signal-amplification
#6
REVIEW
Xuejun Cui, Rongguo Li, Xiaofei Liu, Jingfeng Wang, Xueqi Leng, Xiaolei Song, Qianqian Pei, Yu Wang, Su Liu, Jiadong Huang
Herein, we have reported the development of a simple, rapid, and low cost colorimetric method for the detection of antibiotic based on target-activated split peroxidase DNAzyme coupled with dual nicking enzyme signal amplification (NESA). To lower background signal in G-quadruplex DNAzyme-based detection, the two split G-rich parts are caged into two different hairpin probes, respectively, preventing the two parts from assembling into the G-quadruplex structure. By the combination of restriction endonuclease-assisted cleavage reaction with the spilt G-quadruplex probes, target-modulated release of the two split G-rich parts is achieved, affording high specificity of antibiotic detection...
January 2, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29149871/near-work-outdoor-activity-and-myopia-in-children-in-rural-china-the-handan-offspring-myopia-study
#7
Zhong Lin, Tie Ying Gao, Balamurali Vasudevan, Kenneth J Ciuffreda, Yuan Bo Liang, Vishal Jhanji, Su Jie Fan, Wei Han, Ning Li Wang
BACKGROUND: The near work and outdoor activity are the most important environmental risk factors for myopia. However, data from Chinese rural children are relatively rare and remain controversial. Therefore, the purpose of this study was to evaluate the relationship of both near work and outdoor activities with refractive error in rural children in China. METHODS: In this cross-sectional study, 572 (65.1%) of 878 children (6-18 years of age) were included from the Handan Offspring Myopia Study (HOMS)...
November 17, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29149643/the-role-of-the-p38-activated-protein-kinase-signaling-pathway-mediated-autophagy-in-cadmium-exposed-monogonont-rotifer-brachious-koreanus
#8
Hye-Min Kang, Chang-Bum Jeong, Min-Sub Kim, Jin-Sol Lee, Jiaying Zhou, Young Hwan Lee, Duck-Hyun Kim, Eunyoung Moon, Hee-Seok Kweon, Su-Jae Lee, Jae-Seong Lee
Autophagy is a 'self-eating' system that regulates the degradation of cellular components and is involved in various biological processes including survival and development. However, despite its crucial role in organisms, the regulatory mechanism of autophagy remains largely unclear, particularly in invertebrates. In this study, conserved autophagy in the rotifer Brachionus koreanus in response to cadmium (Cd) exposure was verified by measuring acidic vesicle organelles using acridine orange (AO) and neutral red (NR) staining, and by detecting LC3 I/II on Western blot and immunofluorescence...
November 10, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/29149472/which-commonly-monitored-chemical-contaminant-in-the-bohai-region-yangtze-and-pearl-rivers-of-china-poses-the-greatest-threat-to-aquatic-wildlife
#9
Andrew C Johnson, Monika D Jürgens, Chao Su, Meng Zhang, Yueqing Zhang, Yajuan Shi, Andrew Sweetman, Xiaowei Jin, Yonglong Lu
This study assessed the relative risk of 29 chemical contaminants to aquatic wildlife in the Bohai Region, Yangtze and Pearl Rivers of China. River monitoring data from 2010-2015 for metals, pesticides, plasticisers, surfactants, poly-aromatic hydrocarbons, flame retardants and ammonia were collected. For each chemical, ecotoxicity data were compiled for Chinese relevant aquatic species. The chemicals were ranked by relative risk either by comparing the ratios of the median river concentration divided by the median ecotoxicity concentration or the percentage of river measurements which exceeded the lower 10(th) percentile ecotoxicity value...
November 17, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29149207/evolution-of-the-metabolome-in-response-to-selection-for-increased-immunity-in-populations-of-drosophila-melanogaster
#10
Navdeep Gogna, Rakesh Sharma, Vanika Gupta, Kavita Dorai, N G Prasad
We used NMR-based metabolomics to test two hypotheses-(i) there will be evolved differences in the metabolome of selected and control populations even under un-infected conditions and (ii) post infection, the metabolomes of the selected and control populations will respond differently. We selected replicate populations of Drosophila melanogaster for increased survivorship (I) against a gram-negative pathogen. We subjected the selected (I) and their control populations (S) to three different treatments: (1) infected with heat-killed bacteria (i), (2) sham infected (s), and (3) untreated (u)...
2017: PloS One
https://www.readbyqxmd.com/read/29149037/development-of-novel-polymorphic-est-ssr-markers-in-bailinggu-pleurotus-tuoliensis-for-crossbreeding
#11
Yueting Dai, Wenying Su, Chentao Yang, Bing Song, Yu Li, Yongping Fu
Identification of monokaryons and their mating types and discrimination of hybrid offspring are key steps for the crossbreeding of Pleurotus tuoliensis (Bailinggu). However, conventional crossbreeding methods are troublesome and time consuming. Using RNA-seq technology, we developed new expressed sequence tag-simple sequence repeat (EST-SSR) markers for Bailinggu to easily and rapidly identify monokaryons and their mating types, genetic diversity and hybrid offspring. We identified 1110 potential EST-based SSR loci from a newly-sequenced Bailinggu transcriptome and then randomly selected 100 EST-SSRs for further validation...
November 17, 2017: Genes
https://www.readbyqxmd.com/read/29149031/anti-inflammatory-and-antinociceptive-effects-of-ethyl-acetate-fraction-of-an-edible-red-macroalgae-sarcodia-ceylanica
#12
Chieh-Chih Shih, Hwong-Ru Hwang, Chi-I Chang, Huei-Meei Su, Pei-Chin Chen, Hsiao-Mei Kuo, Pei-Jyuan Li, Hui-Min David Wang, Kuan-Hao Tsui, Yu-Chi Lin, Shi-Ying Huang, Zhi-Hong Wen
Research so far has only shown that edible red macroalgae, Sarcodia ceylanica has the ability to eliminate free radicals and anti-diabetic, anti-bacterial properties. This study was conducted both in vitro and in vivo on the ethyl acetate extract (PD1) of farmed red macroalgae in order to explore its anti-inflammatory properties. In order to study the in vitro anti-inflammatory effects of PD1, we used lipopolysaccharide (LPS) to induce inflammatory responses in murine macrophages. For evaluating the potential in vivo anti-inflammatory and antinociceptive effects of PD1, we used carrageenan-induced rat paw edema to produce inflammatory pain...
November 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29149030/using-next-generation-sequencing-to-detect-differential-expression-genes-in-bradysia-odoriphaga-after-exposure-to-insecticides
#13
Haoliang Chen, Lulu Lin, Farman Ali, Minghui Xie, Guangling Zhang, Weihua Su
Bradysia odoriphaga (Diptera: Sciaridae) is the most important pest of Chinese chive. Insecticides are used widely and frequently to control B. odoriphaga in China. However, the performance of the insecticides chlorpyrifos and clothianidin in controlling the Chinese chive maggot is quite different. Using next generation sequencing technology, different expression unigenes (DEUs) in B. odoriphaga were detected after treatment with chlorpyrifos and clothianidin for 6 and 48 h in comparison with control. The number of DEUs ranged between 703 and 1161 after insecticide treatment...
November 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29148891/hyperventilation-and-breath-holding-test-with-indocyanine-green-kinetics-predicts-cerebral-hyperperfusion-after-carotid-artery-stenting
#14
Ichiro Nakagawa, Shohei Yokoyama, Daisuke Wajima, Fumihiko Nishimura, Shuichi Yamada, Hiroshi Yokota, Yasushi Motoyama, Young Su Park, Takeshi Wada, Kimihiko Kichikawa, Hiroyuki Nakase
Cerebral hyperperfusion syndrome (CHS) is a serious complication following carotid artery stenting (CAS), but definitive early prediction of CHS has not been established. Here, we evaluated whether indocyanine green kinetics and near-infrared spectroscopy (ICG-NIRS) with hyperventilation (HV) and the breath-holding (BH) test can predict hyperperfusion phenomenon after CAS. The blood flow index (BFI) ratio during HV and BH was prospectively monitored using ICG-NIRS in 66 patients scheduled to undergo CAS. Preoperative cerebrovascular reactivity (CVR) and the postoperative asymmetry index (AI) were also assessed with single-photon emission computed tomography before and after CAS and the correlation with the BFI HV/rest ratio, BFI BH/rest ratio was evaluated...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29148365/tenacibaculum-insulae-sp-nov-isolated-from-a-tidal-flat
#15
Sooyeon Park, Jeehyun Choi, Su Jung Choi, Jung-Hoon Yoon
A Gram-stain-negative, aerobic, non-motile, non-spore-forming bacterial strain, designated JDTF-31(T), was isolated from a tidal flat in Jindo, a South Korean island. Strain JDTF-31(T) grew optimally at 25 °C and in the presence of 2.0 % (w/v) NaCl. The neighbour-joining phylogenetic tree based on 16S rRNA gene sequences revealed that strain JDTF-31(T) fell within the cluster comprising the type strains of Tenacibaculum species, joining the type strain of Tenacibaculum soleae. The novel strain exhibited 16S rRNA gene sequence similarity values of 98...
November 17, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29148359/albirhodobacter-confluentis-sp-nov-isolated-from-an-estuary
#16
Hye Su Jung, Jaegeun Lee, Jong Woo Hyeon, Seogang Hyun, Che Ok Jeon
A Gram-stain-negative and strictly aerobic, moderately halophilic bacterium, designated strain S1-47(T), was isolated from estuary sediment in South Korea. Cells were non-motile rods showing oxidase- and catalase-positive activities. Growth was observed at 10-30 °C (optimum, 25 °C), at pH 5.0-8.0 (optimum, pH 6.0-7.0) and in the presence of 0-6.0 % (w/v) NaCl (optimum, 2.0 %). Strain S1-47(T) contained summed feature 3 (comprising C16 : 1ω7c and/or C16 : 1ω6c), summed feature 8 (comprising C18 : 1ω7c and/or C18 : 1ω6c) and C16 : 0 as major cellular fatty acids and ubiquinone-10 as the sole isoprenoid quinone...
November 17, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29148210/factors-associated-with-continued-smoking-after-treatment-of-oral-cavity-cancer-an-age-and-survival-time-matched-study
#17
Su-Ling Chang, Cheng-Hsing Lo, Hsi-Ling Peng, Chien-Rong Chen, Shu-Chen Wu, Shu-Ching Chen
AIMS: The aims of this study of oral cavity cancer patients were to compare the social support, depression, nicotine dependence, physical function and social-emotional function of those who continued smoking with those who quit smoking, with matching by age and survival time and to identify the predictors of continued smoking during the survival period. BACKGROUND: Patients who continue to smoke after cancer treatment may have an wiimpact on treatment response and survival...
November 17, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/29148078/soluble-tam-receptor-tyrosine-kinases-in-rheumatoid-arthritis-correlation-with-disease-activity-and-bone-destruction
#18
Liling Xu, Fanlei Hu, Huaqun Zhu, Xu Liu, Lianjie Shi, Yun Li, Hua Zhong, Su Yin
The TAM receptor tyrosine kinases (TAM RTK) are a subfamily of receptor tyrosine kinases, the role of which in autoimmune diseases such as systemic lupus erythematosus has been well-explored, while their functions in rheumatoid arthritis (RA) remain largely unknown. In this study, we investigated the role of soluble TAM receptor tyrosine kinases (sAxl/sMer/sTyro3) in the patients with RA. 306 RA patients, 100 osteoarthritis (OA) patients and 120 healthy controls (HCs) were enrolled in this study. The serum concentrations of sAxl/sMer/sTyro3 were measured by ELISA, then the associations between sAxl/sMer/sTyro3 levels and clinical features of RA patients were analyzed...
November 17, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29147832/wh-questions-universal-statements-and-free-choice-inferences-in-child-mandarin
#19
Haiquan Huang, Peng Zhou, Stephen Crain
This study investigated 5-year-old Mandarin-speaking children's comprehension of wh-questions, universal statements and free choice inferences. Previous research has found that Mandarin-speaking children assign a universal interpretation to sentences with a wh-word (e.g., shei 'who') followed by the adverbial quantifier dou 'all' (Zhou in Appl Psycholinguist 36:411-435, 2013). Children also compute free choice inferences in sentences that contain a modal verb in addition to a wh-word and dou (Zhou, in: Nakayama, Su, Huang (eds...
November 16, 2017: Journal of Psycholinguistic Research
https://www.readbyqxmd.com/read/29147806/depression-loneliness-and-sexual-risk-taking-among-hiv-negative-unknown-men-who-have-sex-with-men-in-china
#20
Xiaoyou Su, A Ning Zhou, Jianjun Li, Ling-En Shi, Xiping Huan, Hongjing Yan, Chongyi Wei
Research conducted among men who have sex with men (MSM) in high-income countries has demonstrated that negative mental health is one of the significant drivers of HIV infection, and few studies have examined the status of mental health among MSM in China. We sought to describe depression and loneliness and identify their correlates among Chinese MSM. A cross-sectional study was conducted among HIV-negative or unknown status MSM in 2014. Time-location sampling and online convenience sampling methods were employed...
November 16, 2017: Archives of Sexual Behavior
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