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https://www.readbyqxmd.com/read/28738550/employing-microbial-electrochemical-technology-driven-electro-fenton-oxidation-for-the-removal-of-recalcitrant-organics-from-sanitary-landfill-leachate
#1
Muhammad Hassan, Narcis Pous, Bing Xie, Jesús Colprim, M Dolors Balaguer, Sebastia Puig
The feasibility of employing Microbial Electrochemical Technology (MET)-driven electro-Fenton oxidation was evaluated as a post-treatment of an anammox system treating sanitary landfill leachate. Two different MET configuration systems were operated using effluent from partial nitrification-anammox reactor treating mature leachate. In spite of the low organic matter biodegradability of the anammox's effluent (2401±562mgCODL(-1); 237±57mgBOD5L(-1)), the technology was capable to reach COD removal rates of 1077-1244mgL(-1)d(-1) with concomitant renewable electricity production (43...
July 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28737689/highly-efficient-near-infrared-photothermal-conversion-properties-of-reduced-tungsten-oxide-polyurethane-nanocomposites
#2
Tolesa Fita Chala, Chang-Mou Wu, Min-Hui Chou, Molla Bahiru Gebeyehu, Kuo-Bing Cheng
In this work, novel WO3-x/polyurethane (PU) nanocomposites were prepared by ball milling followed by stirring using a planetary mixer/de-aerator. The effects of phase transformation (WO₃ → WO2.8 → WO2.72) and different weight fractions of tungsten oxide on the optical performance, photothermal conversion, and thermal properties of the prepared nanocomposites were examined. It was found that the nanocomposites exhibited strong photoabsorption in the entire near-infrared (NIR) region of 780-2500 nm and excellent photothermal conversion properties...
July 22, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28737275/thermally-activated-delayed-fluorescence-in-cu-i-complexes-originating-from-restricted-molecular-vibrations
#3
Guangfu Li, Roberto Nobuyasu, Bao-Hua Zhang, Yun Geng, Bing Yao, Zhi-Yuan Xie, Dong-Xia Zhu, Guo-Gang Shan, Wei-Long Che, Li-Kai Yan, Zhong-Min Su, Fernando Dias, Martin Robert Bryce
The mechanism of thermally activated delayed fluorescence (TADF) in molecules in aggregated or condensed solid states has been rarely studied and is not well understood. Nevertheless, many applications of TADF emitters are strongly affected by their luminescence properties in the aggregated state. In this study, two new isomeric tetradentate Cu(I) complexes which simultaneously show aggregation induced emission (AIE) and TADF characteristics are reported for the first time. We provide direct evidence that effectively restricting the vibrations of individual molecules is a key requisite for TADF in these two Cu(I) complexes through in-depth photophysical measurements combined with kinetic methods, single crystal analysis and theoretical calculations...
July 24, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28737166/direct-afm-observation-of-individual-micelles-tile-decorations-and-tiling-rules-of-a-dodecagonal-liquid-quasicrystal
#4
Rui-Bin Zhang, Xiang-Bing Zeng, Goran Ungar
We performed an atomic force microscopy study of the dendron-based dodecagonal quasicrystal, the material that had been reported in 2004 as the first soft quasicrystal. We succeeded in orienting the 12-fold axis perpendicular to the substrate, which allowed imaging of the quasiperiodic xy plane. Thus for the first time we could obtain direct real-space information not only on the arrangement of the tiles, but also on their "decorations" by the individual spherical micelles or "nanoatoms". The high-resolution patterns recorded confirm the square-triangle tiling, but the abundance of the different nodes corresponds closely to random tiling rather than to any inflation rule...
July 24, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28737017/high-efficiency-nonfullerene-polymer-solar-cells-with-thick-active-layer-and-large-area
#5
Bing Guo, Wanbin Li, Xia Guo, Xiangyi Meng, Wei Ma, Maojie Zhang, Yongfang Li
In this work, high-efficiency nonfullerene polymer solar cells (PSCs) are developed based on a thiazolothiazole-containing wide bandgap polymer PTZ1 as donor and a planar IDT-based narrow bandgap small molecule with four side chains (IDIC) as acceptor. Through thermal annealing treatment, a power conversion efficiency (PCE) of up to 11.5% with an open circuit voltage (Voc ) of 0.92 V, a short-circuit current density (Jsc ) of 16.4 mA cm(-2) , and a fill factor of 76.2% is achieved. Furthermore, the PSCs based on PTZ1:IDIC still exhibit a relatively high PCE of 9...
July 24, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28736978/cxcl8-promotes-the-invasion-of-human-osteosarcoma-cells-by-regulation-of-pi3k-akt-signaling-pathway
#6
Hai Jiang, Xiaowei Wang, Wusheng Miao, Bing Wang, Yusheng Qiu
Chemokine cysteine-X-cysteine motif ligand 8 (CXCL8) is up-regulated in many malignancies, indicating that CXCL8 takes part in tumor progression. However, the expression and function of CXCL8 in osteosarcoma remained not fully elucidated. In this study, expressions of 12 cytokines and chemokines were measured in the serum from 12 of normal controls (NCs) and 25 of osteosarcoma patients. The human osteosarcoma cell line MG-63 was stimulated by recombinant CXCL8 to further analyze invasion, proliferation, apoptosis, cell cycles, cytokine secretions, and signaling pathways...
July 24, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28736742/unique-morphological-characteristics-of-mitochondrial-subtypes-in-the-heart-the-effect-of-ischemia-and-ischemic-preconditioning
#7
Siavash Beikoghli Kalkhoran, Peter Munro, Fan Qiao, Sang-Bing Ong, Andrew R Hall, Hector Cabrera-Fuentes, Bibhas Chakraborty, William A Boisvert, Derek M Yellon, Derek J Hausenloy
RATIONALE: Three subsets of mitochondria have been described in adult cardiomyocytes - intermyofibrillar (IMF), subsarcolemmal (SSM), and perinuclear (PN). They have been shown to differ in physiology, but whether they also vary in morphological characteristics is unknown. Ischemic preconditioning (IPC) is known to prevent mitochondrial dysfunction induced by acute myocardial ischemia/reperfusion injury (IRI), but whether IPC can also modulate mitochondrial morphology is not known. AIMS: Morphological characteristics of three different subsets of adult cardiac mitochondria along with the effect of ischemia and IPC on mitochondrial morphology will be investigated...
January 2017: Discoveries
https://www.readbyqxmd.com/read/28736382/-value-of-red-blood-cell-distribution-width-in-assessing-the-severity-of-acute-pancreatitis
#8
Qiao-Mei Wang, Ming-Wu Luo, Bing Xiao
OBJECTIVE: To explore the value of red blood cell distribution width (RDW) in assessment of the severity of acute pancreatitis (AP). METHODS: This retrospective analysis was conducted among 527 patients with AP treated in our department from May, 2013 to May, 2016. According to the severity of the condition, the patients were classified into mild acute pancreatitis (MAP) group, moderately severe acute pancreatitis (MSAP) group and severe acute pancreatitis (SAP) group, with 105 subjects without AP as the control group...
July 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28736379/-preparation-of-nanoparticles-for-sustained-insulin-release-using-poly-ethylene-glycol-poly-%C3%AE%C2%B5-caprolactone-poly-n-n-diethylamino-2-ethylmethaerylate
#9
Lei Wu, Wen-Ting Zhu, Jun Wang, Jie Liu, Qing-Bing Zeng
OBJECTIVE: To prepare an insulin-loaded nanoparticle assembled using pH-sensitive poly(ethylene glycol)-poly(ε-caprolactone)-poly(N,N-diethylamino-2-ethylmethaerylate) (mPEG-PCL-PDEAEMA) and investigate its performance of sustained insulin release in vitro and its hypoglycemic effects in diabetic rats. METHDOS: mPEG-PCL-PDEAEMA triblock copolymers with different hydrophobic lengths were synthesized by ring opening polymerization (ROP) combined with atom transfer radical polymerization (ATRP)...
July 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28735866/microrna-193-5p-modulates-angiogenesis-through-igf2-in-type-2-diabetic-cardiomyopathy
#10
Fan Yi, Yuqiang Shang, Bing Li, Shilin Dai, Wei Wu, Long Cheng, Xiancan Wang
BACKGROUND: Patients with diabetic cardiomyopathy are often associated with increasing risk of heart failure. In this work, we used animal model to characterize the angiogenic effect of microRNA-193-5p, miR-193-5p in type 2 diabetic Goto-Kakizaki (GK) rats' myocardial microvascular endothelial cells, MMEC(GK). METHODS: MiR-193-5p in MMEC(GK) was compared to its expression in Wistar rat MMEC. In MMEC(GK), miR-193-5p was downregulated through viral infection. Its angiogenic effects on MMEC(GK) migration and proliferation were assessed by transwell and MTT assays, respectively...
July 20, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28735516/dnmt1-regulates-il-6-and-tgf-%C3%AE-1-induced-epithelial-mesenchymal-transition-in-prostate-epithelial-cells
#11
Hui Xu, Yanbo Chen, Qi Chen, Huan Xu, Yanxia Wang, Jiao Yu, Juan Zhou, Zhong Wang, Bing Xu
Multiple factors have been considered to play a role in the development of benign prostatic hyperplasia (BPH), including chronic inflammation, hormones, and epithelial-mesenchymal transition (EMT). Inflammation is regarded as one of the potential inducers of EMT. However, the mechanisms, modulating pro-inflammatory factors (IL-6 and TGF-β1) induce EMT features, have not yet been studied in BPH. In this study, we investigated whether DNA methyltransferases1 (DNMT1) could regulate IL-6 and TGF-β1 induce EMT...
May 3, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28735473/low-concentration-bpaf-and-bpf-induced-cell-biological-effects-are-mediated-by-ros-in-mcf-7-breast-cancer-cells
#12
Bingli Lei, Su Sun, Jie Xu, Chenglian Feng, Yingxin Yu, Gang Xu, Minghong Wu, Wei Peng
Reactive oxygen species (ROS) induced by bisphenol A (BPA) have been implicated in cellular oxidative damage and carcinogenesis. It is not known whether the potential alternatives of BPA, bisphenol AF (BPAF), and bisphenol F (BPF) can also induce ROS involved in mediating biological responses. This study evaluated the toxicity of BPAF and BPF on cell proliferation, DNA damage, intracellular calcium homeostasis, and ROS generation in MCF-7 human breast cancer cells. The results showed that BPAF at 0.001-1 μM and BPF at 0...
July 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28735351/multiple-correlation-analyses-revealed-complex-relationship-between-dna-methylation-and-mrna-expression-in-human-peripheral-blood-mononuclear-cells
#13
Fang-Fei Xie, Fei-Yan Deng, Long-Fei Wu, Xing-Bo Mo, Hong Zhu, Jian Wu, Yu-Fan Guo, Ke-Qin Zeng, Ming-Jun Wang, Xiao-Wei Zhu, Wei Xia, Lan Wang, Pei He, Peng-Fei Bing, Xin Lu, Yong-Hong Zhang, Shu-Feng Lei
DNA methylation is an important regulator on the mRNA expression. However, a genome-wide correlation pattern between DNA methylation and mRNA expression in human peripheral blood mononuclear cells (PBMCs) is largely unknown. The comprehensive relationship between mRNA and DNA methylation was explored by using four types of correlation analyses and a genome-wide methylation-mRNA expression quantitative trait locus (eQTL) analysis in PBMCs in 46 unrelated female subjects. An enrichment analysis was performed to detect biological function for the detected genes...
July 22, 2017: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/28734835/migration-ability-and-toll-like-receptor-expression-of-human-mesenchymal-stem-cells-improves-significantly-after-three-dimensional-culture
#14
Panpan Zhou, Zilin Liu, Xue Li, Bing Zhang, Xiaoyuan Wang, Jing Lan, Qing Shi, Dong Li, Xiuli Ju
While the conventional two-dimensional (2D) culture protocol is well accepted for the culture of mesenchymal stem cells (MSCs), this method fails to recapitulate the in vivo native three-dimensional (3D) cellular microenvironment, and may result in phenotypic changes, and homing and migration capacity impairments. MSC preparation in 3D culture systems has been considered an attractive preparatory and delivery method recently. We seeded human umbilical cord-derived MSCs (hUCMSCs) in a 3D culture system with porcine acellular dermal matrix (PADM), and investigated the phenotypic changes, the expression changes of some important receptors, including Toll-like receptors (TLRs) and C-X-C chemokine receptor type 4 (CXCR4) when hUCMSCs were transferred from 2D to 3D systems, as well as the alterations in in vivo homing and migration potential...
July 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28733921/social-support-networks-and-hiv-sti-risk-behaviors-among-latino-immigrants-in-a-new-receiving-environment
#15
Meghan D Althoff, Katherine Theall, Norine Schmidt, John Hembling, Hirut T Gebrekristos, Michelle M Thompson, Stephen Q Muth, Samuel R Friedman, Patricia Kissinger
The objectives of this study were to: (1) describe the quantity and quality of social support networks of Latino immigrants living in a new receiving environment, and (2) determine the role such networks play in their HIV/STI risk behaviors, including substance use. Double incentivized convenience sampling was used to collect egocentric social support network data on 144 Latino immigrants. Latent class analysis was used for data reduction and to identify items best suited to measure quality and quantity of social support...
July 21, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28733535/evaluation-of-digital-pcr-for-detecting-low-level-egfr-mutations-in-advanced-lung-adenocarcinoma-patients-a-cross-platform-comparison-study
#16
Jincui Gu, Wanchun Zang, Bing Liu, Lei Li, Lixia Huang, Shaoli Li, Guanhua Rao, Yang Yu, Yanbin Zhou
Emerging evidence has indicated that circulating tumor DNA (ctDNA) from plasma could be used to analyze EGFR mutation status for NSCLC patients; however, due to the low level of ctDNA in plasma, highly sensitive approaches are required to detect low frequency mutations. In addition, the cutoff for the mutation abundance that can be detected in tumor tissue but cannot be detected in matched ctDNA is still unknown. To assess a highly sensitive method, we evaluated the use of digital PCR in the detection of EGFR mutations in tumor tissue from 47 advanced lung adenocarcinoma patients through comparison with NGS and ARMS...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733083/design-synthesis-and-in-vitro-anticancer-activity-of-novel-quinoline-and-oxadiazole-derivatives-of-ursolic-acid
#17
Wen Gu, Xiao-Yan Jin, Dong-Dong Li, Shi-Fa Wang, Xu-Bing Tao, Hao Chen
A series of new quinoline derivatives of ursolic acid were designed and synthesized in an attempt to develop potential anticancer agents. The structures of these compounds were identified by (1)H NMR, (13)C NMR, IR and ESI-MS spectra analysis. The target compounds were evaluated for their in vitro cytotoxicity against three human cancer cell lines (MDA-MB-231, Hela and SMMC-7721). From the results, compounds 3a-d displayed significant antitumor activity against three cancer cell lines. Especially, compound 3b was found to be the most potent derivative with IC50 values of 0...
July 12, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28732889/a-comparative-study-on-chitosan-gelatin-composite-films-with-conjugated-or-incorporated-gallic-acid
#18
Liyun Rui, Minhao Xie, Bing Hu, Li Zhou, Danyang Yin, Xiaoxiong Zeng
Gallic acid-grafted-chitosan (GA-g-CS) was synthesized in the presence of 1-ethyl-3-(3'-dimethylaminopropyl) carbodiimide and hydroxybenzotriazole under room temperature. To develop a kind of newly functional film, CS, gelatin, glycerol and Tween 20 were utilized to prepare CS-based composite films with incorporated GA (GA-CS) or conjugated GA (GA-g-CS), and the films were characterized in aspects of physical and functional properties, as well as microstructures. With the increasing of GA concentration, there was a reduction in transmittance, elongation at break and water vapor permeability (WVP) for GA-CS film...
October 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28732852/investigating-the-h2o-o2-selective-permeability-from-a-view-of-multi-scale-structure-of-starch-sio2-nanocomposites
#19
Siyuan Liu, Xiaoxi Li, Ling Chen, Lin Li, Bing Li, Jie Zhu, Xiaoyun Liang
In order to control H2O/O2 selective permeability of starch based nanocompsites for food packaging, the addition of SiO2 nanoparticles was proven to be an effective method. The results suggested that the SiO2/hydroxypropyl starch (HPS) ratio was a feasible approach to regulate the film multi-scale structure. The H2O/O2 selective permeability was influenced by comprehensive factors including film short-range molecular conformation, crystalline structure and aggregated structure. The increase of micro-ordered region size was likely to favor the improvement of water vapor barrier property and the rise of compactness in this region seems to contribute to the oxygen prevention...
October 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28732370/silibinin-an-old-drug-for-hematological-disorders
#20
REVIEW
Hai Zou, Xing-Xing Zhu, Guo-Bing Zhang, Yuan Ma, Yi Wu, Dong-Sheng Huang
Silibinin (silybin), a non-toxic natural polyphenolic flavonoid, is the principal and the most biologically active component of silymarin. It is efficient in the treatment of acute and chronic liver disorders caused by toxins, drug, alcohol, hepatitis, and gall bladder disorders. Further, in our previous studies, we explored the anti-cancer efficacy in common cancers, such as lung, prostatic, colon, breast, bladder, as well as, hepatocellular carcinoma. Interestingly, silibinin is still not solely limited to the treatment of these diseases...
July 11, 2017: Oncotarget
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