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https://www.readbyqxmd.com/read/28335500/comparison-of-two-types-of-overoxidized-pedot-films-and-their-application-in-sensor-fabrication
#1
Yun Hui, Chao Bian, Jinfen Wang, Jianhua Tong, Shanhong Xia
Poly(3,4-ethylenedioxythiophene) (PEDOT) films were prepared by electro-oxidation on Au microelectrodes in an aqueous solution. Electrolyte solutions and polymerization parameters were optimized prior to overoxidation. The effect of overoxidation time has been optimized by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS), which results in the film overoxidized for 45 s at 1.35 V presenting a strong adsorption. The other one-step overoxidation film prepared by direct CV ranging from -0...
March 19, 2017: Sensors
https://www.readbyqxmd.com/read/28335453/a-spatially-offset-raman-spectroscopy-method-for-non-destructive-detection-of-gelatin-encapsulated-powders
#2
Kuanglin Chao, Sagar Dhakal, Jianwei Qin, Yankun Peng, Walter F Schmidt, Moon S Kim, Diane E Chan
Non-destructive subsurface detection of encapsulated, coated, or seal-packaged foods and pharmaceuticals can help prevent distribution and consumption of counterfeit or hazardous products. This study used a Spatially Offset Raman Spectroscopy (SORS) method to detect and identify urea, ibuprofen, and acetaminophen powders contained within one or more (up to eight) layers of gelatin capsules to demonstrate subsurface chemical detection and identification. A 785-nm point-scan Raman spectroscopy system was used to acquire spatially offset Raman spectra for an offset range of 0 to 10 mm from the surfaces of 24 encapsulated samples, using a step size of 0...
March 18, 2017: Sensors
https://www.readbyqxmd.com/read/28335301/facile-synthesis-of-g-c%C3%A2-n%C3%A2-nanosheets-zno-nanocomposites-with-enhanced-photocatalytic-activity-in-reduction-of-aqueous-chromium-vi-under-visible-light
#3
Xiaoya Yuan, Chao Zhou, Qiuye Jing, Qi Tang, Yuanhua Mu, An-Ke Du
Graphitic-C₃N₄ nanosheets (CN)/ZnO photocatalysts (CN/ZnO) with different CN loadings were successfully prepared via a simple precipitation-calcination in the presence of exfoliated C₃N₄ nanosheets. Their morphology and structure were thoroughly characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), UV-Vis diffuse reflectance spectroscopy (DRS) and photoluminescence spectra (PL)...
September 14, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335286/enhanced-end-contacts-by-helium-ion-bombardment-to-improve-graphene-metal-contacts
#4
Kunpeng Jia, Yajuan Su, Jun Zhan, Kashif Shahzad, Huilong Zhu, Chao Zhao, Jun Luo
Low contact resistance between graphene and metals is of paramount importance to fabricate high performance graphene-based devices. In this paper, the impact of both defects induced by helium ion (He⁺) bombardment and annealing on the contact resistance between graphene and various metals (Ag, Pd, and Pt) were systematically explored. It is found that the contact resistances between all metals and graphene are remarkably reduced after annealing, indicating that not only chemically adsorbed metal (Pd) but also physically adsorbed metals (Ag and Pt) readily form end-contacts at intrinsic defect locations in graphene...
August 26, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335216/investigation-of-the-structural-electrical-and-optical-properties-of-the-nano-scale-gzo-thin-films-on-glass-and-flexible-polyimide-substrates
#5
Fang-Hsing Wang, Kun-Neng Chen, Chao-Ming Hsu, Min-Chu Liu, Cheng-Fu Yang
In this study, Ga₂O₃-doped ZnO (GZO) thin films were deposited on glass and flexible polyimide (PI) substrates at room temperature (300 K), 373 K, and 473 K by the radio frequency (RF) magnetron sputtering method. After finding the deposition rate, all the GZO thin films with a nano-scale thickness of about 150 ± 10 nm were controlled by the deposition time. X-ray diffraction patterns indicated that the GZO thin films were not amorphous and all exhibited the (002) peak, and field emission scanning electron microscopy showed that only nano-scale particles were observed...
May 10, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334899/association-analyses-of-east-asian-individuals-and-trans-ancestry-analyses-with-european-individuals-reveal-new-loci-associated-with-cholesterol-and-triglyceride-levels
#6
Cassandra N Spracklen, Peng Chen, Young Jin Kim, Xu Wang, Hui Cai, Shengxu Li, Jirong Long, Ying Wu, Ya Xing Wang, Fumihiko Takeuchi, Jer-Yuarn Wu, Keum-Ji Jung, Cheng Hu, Koichi Akiyama, Yonghong Zhang, Sanghoon Moon, Todd A Johnson, Huaixing Li, Rajkumar Dorajoo, Meian He, Maren E Cannon, Tamara S Roman, Elias Salfati, Keng-Hung Lin, Xiuqing Guo, Wayne H H Sheu, Devin Absher, Linda S Adair, Themistocles L Assimes, Tin Aung, Qiuyin Cai, Li-Ching Chang, Chien-Hsiun Chen, Li-Hsin Chien, Lee-Ming Chuang, Shu-Chun Chuang, Shufa Du, Qiao Fan, Cathy S J Fann, Alan B Feranil, Yechiel Friedlander, Penny Gordon-Larsen, Dongfeng Gu, Lixuan Gui, Zhirong Guo, Chew-Kiat Heng, James Hixson, Xuhong Hou, Chao Agnes Hsiung, Yao Hu, Mi Yeong Hwang, Chii-Min Hwu, Masato Isono, Jyh-Ming Jimmy Juang, Chiea-Chuen Khor, Yun Kyoung Kim, Woon-Puay Koh, Michiaki Kubo, I-Te Lee, Sun-Ju Lee, Wen-Jane Lee, Kae-Woei Liang, Blanche Lim, Sing-Hui Lim, Jianjun Liu, Toru Nabika, Wen-Harn Pan, Hao Peng, Thomas Quertermous, Charumathi Sabanayagam, Kevin Sandow, Jinxiu Shi, Liang Sun, Pok Chien Tan, Shu-Pei Tan, Kent D Taylor, Yik-Ying Teo, Sue-Anne Toh, Tatsuhiko Tsunoda, Rob M van Dam, Aili Wang, Feijie Wang, Jie Wang, Wen Bin Wei, Yong-Bing Xiang, Jie Yao, Jian-Min Yuan, Rong Zhang, Wanting Zhao, Yii-Der Ida Chen, Stephen S Rich, Jerome I Rotter, Tzung-Dau Wang, Tangchun Wu, Xu Lin, Bok-Ghee Han, Toshihiro Tanaka, Yoon Shin Cho, Tomohiro Katsuya, Weiping Jia, Sun-Ha Jee, Yuan-Tsong Chen, Norihiro Kato, Jost B Jonas, Ching-Yu Cheng, Xiao-Ou Shu, Jiang He, Wei Zheng, Tien-Yin Wong, Wei Huang, Bong-Jo Kim, E-Shyong Tai, Karen L Mohlke, Xueling Sim
Large-scale meta-analyses of genome-wide association studies (GWAS) have identified >175 loci associated with fasting cholesterol levels, including total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), and triglycerides (TG). With differences in linkage disequilibrium (LD) structure and allele frequencies between ancestry groups, studies in additional large samples may detect new associations. We conducted staged GWAS meta-analyses in up to 69,414 East Asian individuals from 24 studies with participants from Japan, the Philippines, Korea, China, Singapore, and Taiwan...
February 21, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28334523/transformable-nanomaterials-as-artificial-extracellular-matrix-for-inhibiting-tumor-invasion-and-metastasis
#7
Xiao-Xue Hu, Ping-Ping He, Guo-Bin Qi, Yu-Juan Gao, Yao-Xin Lin, Chao Yang, Pei-Pei Yang, Hongxun Hao, Lei Wang, Hao Wang
Tumor metastasis is one of the big challenges in cancer treatment and is often associated with high patient mortality. Until now, there is an agreement that tumor invasion and metastasis are related to degradation of extracellular matrix (ECM) by enzymes. Inspired by the formation of natural ECM and the in situ self-assembly strategy developed in our group, herein, we in situ constructed an artificial extracellular matrix (AECM) based on transformable Laminin (LN)-mimic peptide 1 (BP-KLVFFK-GGDGR-YIGSR) for inhibition of tumor invasion and metastasis...
March 23, 2017: ACS Nano
https://www.readbyqxmd.com/read/28334447/starting-a-microsurgery-fellowship-a-program-s-perspective
#8
EDITORIAL
Albert H Chao
No abstract text is available yet for this article.
March 23, 2017: Microsurgery
https://www.readbyqxmd.com/read/28334311/flight-performance-of-ctenoplusia-agnata-lepidoptera-noctuidae
#9
Xiaowei Fu, Shengyuan Zhao, Chao Li, Xiao Wu, Jianglong Guo, Kongming Wu
Ctenoplusia agnata (Staudinger) (Lepidoptera: Noctuidae) is a highly destructive polyphagous pest of cotton, maize, soybean, and cruciferous vegetables in East Asia. The effect of various biotic and abiotic factors on the flight performance of C. agnata is crucial for a better understanding of its transregional migration. In this study, the flight performance of C. agnata moths at different ages, temperatures, and relative humidity (RH) levels, was examined by tethering individual moths to computerized flight mills for a 24-h scotophase...
March 13, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334150/monitoring-trends-in-insecticide-resistance-of-field-populations-of-sogatella-furcifera-hemiptera-delphacidae-in-guizhou-province-china-2012-2015
#10
Jian-Xue Jin, Dao-Chao Jin, Wen-Hong Li, Ying Cheng, Feng-Liang Li, Zhao-Chun Ye
Sogatella furcifera (Horváth) is a migratory insect that is one of the most important pest species on rice in many Asian countries. Control of S. furcifera (Hemiptera: Delphacidae) primarily depends on the use of chemical insecticides, and with this extensive reliance on pesticides, determining the degree of resistance of S. furcifera populations to the chemicals used for its control is essential. In this study, the resistance level to six conventional insecticides in five populations of S. furcifera from Guizhou Province was monitored yearly using the rice-stem dipping method in 2012-2015 to precisely understand current resistance levels and to estimate trends in the development of insecticide resistance in S...
February 22, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334114/biren-predicting-enhancers-with-a-deep-learning-based-model-using-the-dna-sequence-alone
#11
Bite Yang, Feng Liu, Chao Ren, Zhangyi Ouyang, Ziwei Xie, Xiaochen Bo, Wenjie Shu
Motivation: Enhancer elements are noncoding stretches of DNA that play key roles in controlling gene expression programmes. Despite major efforts to develop accurate enhancer prediction methods, identifying enhancer sequences continues to be a challenge in the annotation of mammalian genomes. One of the major issues is the lack of large, sufficiently comprehensive and experimentally validated enhancers for humans or other species. Thus, the development of computational methods based on limited experimentally validated enhancers and deciphering the transcriptional regulatory code encoded in the enhancer sequences is urgent...
February 17, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28334043/cc-223-blocks-mtorc1-c2-activation-and-inhibits-human-hepatocellular-carcinoma-cells-in-vitro-and-in-vivo
#12
Zichen Xie, Jiqin Wang, Mei Liu, Deshan Chen, Chao Qiu, Keyu Sun
Hepatocellular carcinoma (HCC) is a leading cause of cancer-related human mortalities. Over-activation of mammalian target of rapamycin (mTOR) is important for HCC tumorigenesis and progression. The current study assessed the potential anti-HCC activity by a novel mTOR kinase inhibitor, CC-223. We demonstrate that CC-223, at nM concentrations, induced profound cytotoxic and anti-proliferative activities against established HCC cell lines (HepG2, KYN-2 and Huh-7) and primary human HCC cells. Meanwhile, CC-223 activated caspase-3/-9 and apoptosis in the above HCC cells...
2017: PloS One
https://www.readbyqxmd.com/read/28334032/does-hysteroscopy-worsen-prognosis-in-women-with-type-ii-endometrial-carcinoma
#13
Jiao Chen, Leslie H Clark, Wei-Min Kong, Zhen Yan, Chao Han, Hui Zhao, Ting-Ting Liu, Tong-Qing Zhang, Dan Song, Si-Meng Jiao, Chunxiao Zhou
BACKGROUND: Prior studies evaluating the impact of hysteroscopy on outcomes in endometrial cancer have predominantly evaluated type I tumors. We sought to evaluate whether hysteroscopy worsens prognosis in type II endometrial cancer. METHODS: A retrospective cohort analysis of 140 patients from two institutions with type II endometrial cancer was performed. Women who underwent either diagnostic hysteroscopy (HSC) or dilation and curettage (D&C) for cancer diagnosis from June 2001 until June 2010 were included...
2017: PloS One
https://www.readbyqxmd.com/read/28333715/noninvasive-imaging-of-stored-red-blood-cell-transfusion-aggravating-sepsis-induced-liver-injury-associated-with-increased-activation-of-m1-polarized-kupffer-cells
#14
Tao Wu, Lei Wang, Jie An, Chao Y Wu, Yue Wang, Lu Qian, Jun Zhou, Yu L Zhang, Qian Q Zhou, Xiao H Wang, Hua F Wang, Qiu X Fu, Lin S Zhan
Liver injury has a critical effect on the severity and outcome of sepsis. The impact of stored RBCs on the pathogenesis of sepsis-associated hepatic injury is not well understood. Therefore, to investigate the effects of stored-RBC transfusion on sepsis-induced liver damage as well as the associated mechanism, we constructed a sepsis mouse model enabling non-invasive imaging of bacterial infection caused by Pseudomonas aeruginosa, a common gram-negative respiratory pathogen. We showed that transfusions with stored RBCs enhanced sepsis-induced liver injury in vivo, and liver injury exacerbated the severity of sepsis and decreased survival in P...
March 22, 2017: Shock
https://www.readbyqxmd.com/read/28333137/the-mtor-signal-regulates-myeloid-derived-suppressor-cells-differentiation-and-immunosuppressive-function-in-acute-kidney-injury
#15
Chao Zhang, Shuo Wang, Jiawei Li, Weitao Zhang, Long Zheng, Cheng Yang, Tongyu Zhu, Ruiming Rong
The mammalian target of rapamycin (mTOR) signal controls innate and adaptive immune response in multiple immunoregulatory contexts. Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of myeloid cells of potent immunosuppressive capacity. In this study, we aimed to investigate the role of MDSCs in the protection of acute kidney injury (AKI) and the regulation of mTOR signal on MDSC's protective role in this context. In mice AKI model, rapamycin administration was associated with improved renal function, restored histological damage and decreased CD4(+) and CD8(+) T-cell infiltration in kidney tissue...
March 23, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28333072/detection-of-circulating-tumor-cells-using-negative-enrichment-immunofluorescence-and-an-in-situ-hybridization-system-in-pancreatic-cancer
#16
Yu Xu, Tai Qin, Jing Li, Xiuchao Wang, Chuntao Gao, Chao Xu, Jihui Hao, Jingcheng Liu, Song Gao, He Ren
Pancreatic cancer (PC) is the most lethal type of gastrointestinal cancer, and early detection and monitoring is an urgent problem. Circulating tumor cells (CTCs) are emerging as a non-invasive biomarker for tumor detection. However, the low sensitivity is a main problem in the traditional CellSearch System for detecting CTCs, especially in patients with PC. In this study, we used negative enrichment (NE), immunofluorescence and in situ hybridization (FISH) of chromosome 8 (NE-iFISH) to capture and identify CTCs in PC patients...
March 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28333063/occurrence-and-elimination-of-antibiotics-in-three-sewage-treatment-plants-with-different-treatment-technologies-in-urumqi-and-shihezi-xinjiang
#17
Jiang Liu, Jianjiang Lu, Yanbin Tong, Chao Li
Fourteen antibiotics, including five quinolones (QNs), five sulfonamides (SAs), and four tetracyclines (TCs), were selected to investigate their occurrence and elimination in three sewage treatment plants (STPs) by employing different treatment technologies in Urumqi (two STPs) and Shihezi (one STP), China. The STP in Shihezi was chosen as representative to investigate the distribution of antibiotics in a sludge-sewage system. Results showed that the concentrations of most detected antibiotics ranged from tens to hundreds of nanograms per liter in influent samples and under 100 ng L(-1) in effluent samples...
March 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28332612/superhydrophobic-hbn-regulated-sponges-with-excellent-absorbency-fabricated-using-a-green-and-facile-method
#18
Ying Zhou, Yao Wang, Tengfei Liu, Gang Xu, Guangming Chen, Huayi Li, Lichun Liu, Qiqi Zhuo, Jiaoxia Zhang, Chao Yan
The world faces severe environmental, human and ecological problems when major oil spills and organic discharges are released into the environment. And so it is imperative to develop tools and high performance innovative materials that can efficiently absorb these organic discharges. Furthermore, green, facile methods to produce these advanced materials are also needed. In this paper, we demonstrate a novel porous supersponge based on melamine coated with hBN. This superhydrophobic sponge (with a contact angle >150°) exhibits excellent absorption performance for oils and organic solvents, including good selectivity, high capacity (up to 175 g·g(-1)) and extraordinary recyclability (less than 20% decline after 30 cycles of absorption/squeezing)...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332558/multiple-h-sensors-mediate-the-extracellular-acidification-induced-ca-2-i-elevation-in-cultured-rat-ventricular-cardiomyocytes
#19
Yuan-Lang Hu, Xue Mi, Chao Huang, Hui-Fang Wang, Jian-Ren Song, Qing Shu, Lan Ni, Jian-Guo Chen, Fang Wang, Zhuang-Li Hu
Acidosis has been known to cause "Ca(2+) transients", however, the mechanism is still uncertain. Here, we demonstrated that multiple H(+) sensors, such as ASICs, TRPV1 and proton-sensing G protein coupled receptors (GPCRs) are involved in extracellular acidification-induced intracellular calcium ([Ca(2+)]i) elevation. By using calcium imaging measures, we observed that both ASIC and TRPV1 channels inhibitors suppressed the [Ca(2+)]i elevation induced by extracellular acidosis in cultured rat cardiac myocytes...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332544/south-korea-s-scientists-seek-change-amid-political-chaos
#20
Mark Zastrow
No abstract text is available yet for this article.
March 22, 2017: Nature
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