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https://www.readbyqxmd.com/read/28431216/synthesis-and-loading-dependent-characteristics-of-nitrogen-doped-graphene-foam-carbon-nanotube-manganese-oxide-ternary-composite-electrodes-for-high-performance-supercapacitors
#1
Tao Cheng, Baozhi Yu, Linli Cao, Huiyun Tan, Xinghua Li, Xinliang Zheng, Weilong Li, Zhaoyu Ren, Jinbo Bai
The ternary composite electrodes, nitrogen-doped graphene foam/carbon nanotube/manganese dioxide (NGF/CNT/MnO2), have been successfully fabricated via chemical vapor deposition (CVD) and facile hydrothermal method. The morphologies of the MnO2 nanoflakes presented the loading-dependent characteristics and the nanoflake thickness could also be tuned by MnO2 mass loading in the fabrication process. The correlation between their morphology and electrochemical performance was systematically investigated by controlling MnO2 mass loading in the ternary composite electrodes...
April 18, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28428063/percutaneous-endoscopical-transforaminal-approach-versus-plf-to-treat-the-single-level-adjacent-segment-disease-after-plf-plif-1-2-years-follow-up
#2
Zhaoyu Ba, Fumin Pan, Zhonghan Liu, Bin Yu, Laurel Fuentes, Desheng Wu, Jianguang Zhu
BACKGROUND: Adjacent segment disease (ASD) is a common complication after lumbar decompression and fusion surgery. Traditional revision-surgery, including posterior lumbar decompression and posterolateral fusion (PLF) or interbody fusion (PLIF) is traumatic. The percutaneous endoscopic transforaminal procedure (PE-TF) has been widely used in patients with lumbar disc disease. However, there are no reports about using PE-TF procedure to treat ASD in the current literature. OBJECTIVE: To compare the clinical outcomes between PE-TF and PLF for single-level ASD after PLF or PLIF...
April 17, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28377587/overexpression-of-gsn-could-decrease-inflammation-and-apoptosis-in-eae-and-may-enhance-vitamin-d-therapy-on-eae-ms
#3
Jifang Gao, Zhaoyu Qin, Xinyuan Guan, Juanjuan Guo, Huaqing Wang, Shilian Liu
The decrease of gelsolin (GSN) in the blood has been reported in multiple sclerosis (MS) patients and experimental allergic encephalomyelitis (EAE) animals, but the protective effect of GSN on EAE/MS lacks of evidence. In our study, we increased the GSN level in EAE by injecting GSN-overexpress lentivirus (LV-GSN) into the lateral ventricle and caudal vein and found that GSN administration can delay the onset and decrease the severity of EAE. Vitamin D is proven to have a therapeutic effect on MS/EAE; however, we previously found that vitamin D caused a downregulation of GSN, which might limit vitamin D efficacy...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28375226/temporal-pulse-precisely-sculpted-millijoule-level-fiber-laser-injection-system-for-high-power-laser-driver
#4
Dangpeng Xu, Xiaocheng Tian, Dandan Zhou, Zhaoyu Zong, Mengqiu Fan, Rui Zhang, Na Zhu, Lianghua Xie, Hongxun Li, Jianjun Wang, Mingzhong Li, Xiaomin Zhang
A fiber laser injection system used as a seeder for a high-power laser facility of inertial confinement fusion was designed to meet stringent requirements. Herein, we demonstrate the fiber laser injection system, whose output single-pulse energy reaches the millijoule class. With two-stage amplitude modulators, the system produces a pulse with a higher pulse shaping capability. In addition, amplifying the pulse with large-mode-area fiber and single polarization, large-mode-area photonic crystal fiber (PCF) ensures a good beam quality output...
April 1, 2017: Applied Optics
https://www.readbyqxmd.com/read/28372743/online-single-particle-measurement-of-fireworks-pollution-during-chinese-new-year-in-nanning
#5
Jingyan Li, Tingting Xu, Xiaohui Lu, Hong Chen, Sergey A Nizkorodov, Jianmin Chen, Xin Yang, Zhaoyu Mo, Zhiming Chen, Huilin Liu, Jingying Mao, Guiyun Liang
Time-resolved single-particle measurements were conducted during Chinese New Year in Nanning, China. Firework displays resulted in a burst of SO2, coarse mode, and accumulation mode (100-500nm) particles. Through single particle mass spectrometry analysis, five different types of particles (fireworks-metal, ash, dust, organic carbon-sulfate (OC-sulfate), biomass burning) with different size distributions were identified as primary emissions from firework displays. The fireworks-related particles accounted for more than 70% of the total analyzed particles during severe firework detonations...
March 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28366776/involvement-of-akt-gsk3%C3%AE-creb-signaling-pathway-on-chronic-omethoate-induced-depressive-like-behavior-and-improvement-effects-of-combined-lithium-chloride-and-astaxanthin-treatment
#6
Jingwen Qiao, Lixia Rong, Zhaoyue Wang, Meizeng Zhang
Chronic organophosphorus pesticides (OP) exposure is associated with an increased risk of depression, and there is an urgent need to find an effective treatment for the depressive-like symptoms caused by OP. The main purpose of this study was to investigate whether combined lithium chloride (LiCl) and astaxanthin (AST) treatment would manifest synergetic antidepressant effects on mice with chronic OP exposure, and to determine the role of the Akt/GSK3β/CREB signaling pathway. Our results showed that chronic omethoate exposure significantly increased immobility time in behavioral tests and induced neuron damage in HE staining...
March 30, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28352261/analysis-of-evolutionary-processes-of-species-jump-in-waterfowl-parvovirus
#7
Wentao Fan, Zhaoyu Sun, Tongtong Shen, Danning Xu, Kehe Huang, Jiyong Zhou, Suquan Song, Liping Yan
Waterfowl parvoviruses are classified into goose parvovirus (GPV) and Muscovy duck parvovirus (MDPV) according to their antigenic features and host preferences. A novel duck parvovirus (NDPV), identified as a new variant of GPV, is currently infecting ducks, thus causing considerable economic loss. This study analyzed the molecular evolution and population dynamics of the emerging parvovirus capsid gene to investigate the evolutionary processes concerning the host shift of NDPV. Two important amino acids changes (Asn-489 and Asn-650) were identified in NDPV, which may be responsible for host shift of NDPV...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28350073/dna-methylation-mediated-caspase-8-downregulation-is-associated-with-anti-apoptotic-activity-and-human-malignant-glioma-grade
#8
Yueqiu Teng, Yu-Cui Dong, Zhaoyu Liu, Yan Zou, Hui Xie, Yu Zhao, Jun Su, Fenglin Cao, Hua Jin, Huan Ren
The methylation-mediated silencing of tumor suppressors, including key apoptosis-related genes plays an important role in the pathogenesis and therapeutic resistance in human cancer. In this study, we aimed to elucidate the role and mechanisms of resistance to apoptosis with caspase-8 gene downregulation in human malignant glioma. Reverse transcription-polymerase chain reaction (RT-PCR) and methylation-specific PCR (MSP) were used to examine caspase-8 expressoin at the mRNA level and gene methylation status in normal brain tissue, glioma tissue and cancer cell lines...
February 7, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28337710/high-efficient-n-butanol-production-by-co-culturing-clostridium-acetobutylicum-and-saccharomyces-cerevisiae-integrated-with-butyrate-fermentative-supernatant-addition
#9
Hongzhen Luo, Qingwei Zeng, Shuo Han, Zhaoyu Wang, Qing Dong, Yanhong Bi, Yuping Zhao
Butanol is not only an important chemical intermediate and solvent in pharmaceutical and cosmetics industries, but also considered as an advanced biofuel. Although species of the natural host Clostridium have been engineered, butanol titers in the anaerobe seem to be limited by its intolerance to butanol less than 13 g/L. Here we aimed to develop a technology for enhancing butanol production by a co-culture system with butyrate fermentative supernatant addition. First, when adding 4.0 g/L butyrate into the acetone-butanol-ethanol (ABE) fermentation broth with single-shot at 24 h, the "acid crash" phenomenon occurred and the ABE fermentation performance deteriorated...
April 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28330873/amp-activated-protein-kinase-%C3%AE-1-promotes-atherogenesis-by-increasing-monocyte-to-macrophage-differentiation
#10
Miao Zhang, Huaiping Zhu, Ye Ding, Zhaoyu Liu, Zhejun Cai, Ming-Hui Zou
Monocyte-to-macrophage differentiation, which can be initiated by physiological or atherogenic factors, is a pivotal process in atherogenesis, a disorder in which monocytes adhere to endothelial cells and subsequently migrate into the sub-endothelial spaces, where they differentiate into macrophages and macrophage-derived foam cells and cause atherosclerotic lesions. However, the monocyte-differentiation signaling pathways that are activated by atherogenic factors are poorly defined. Here we report that the AMP- activated protein kinase (AMPK) α1 in monocytes promotes atherosclerosis by increasing monocyte differentiation and survival...
March 22, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28325756/a-novel-role-for-myeloid-cell-specific-neuropilin-1-in-mitigating-sepsis
#11
Xiaoyan Dai, Imoh Okon, Zhaoyu Liu, Yue Wu, Huaiping Zhu, Ping Song, Ming-Hui Zou
Sepsis-typically caused by an uncontrolled and amplified host systemic inflammatory response to microbial infection-is a life-threatening complex clinical disorder and remains a major cause of infection-related deaths in the intensive care unit. Emerging evidence suggests that neuropilin 1 (Nrp1), an originally defined coreceptor for class 3 semaphorins and VEGF, plays important roles in the immune system; however, the function and regulation of macrophage Nrp1 in host immune defense against bacterial infection remain unknown...
March 21, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28323958/jmjd3-is-crucial-for-female-avpv-rip-cre-neuron-controlled-kisspeptin-estrogen-feedback-loop-and-reproductive-function
#12
Anying Song, Shujun Jiang, Qinghua Wang, Jianghuan Zou, Zhaoyu Lin, Xiang Gao
The hypothalamic-pituitary-gonadal axis controls development, reproduction, and metabolism. While most studies were focusing on the hierarch from brain to gonad, many questions remain unresolved concerning the feedback from gonad to the central nervous system, especially on the potential epigenetic modification in hypothalamic neurons. In this report, we generated genetically modified mice lacking histone H3 lysine 27 demethylase JMJD3 in hypothalamic RIP-Cre neurons. The female mutant mice display late-onset obesity due to reduced locomotor activity and decreased energy expenditure...
March 9, 2017: Endocrinology
https://www.readbyqxmd.com/read/28321994/detection-and-imaging-of-chrome-yellow-lead-chromate-in-latent-prints-solid-residues-and-minerals-by-laser-desorption-ionization-mass-spectrometry-ldi-ms
#13
Zhaoyu Zheng, Julius Pavlov, Athula B Attygalle
In the past, Chrome Yellow (lead chromate, PbCrO4 ), a bright orange-red substance, has been widely used as an inorganic pigment in the production of paints, coatings, and plastics. Herein, we demonstrate that laser desorption/ionization mass spectrometry (LDI-MS) is a powerful tool for the detection of lead chromate in solid residues. In fact, lead chromate in trace amounts is easily detectable by LDI-MS even from residues left as latent prints. For example, a latent print obtained by stamping the exposed laterally cut surface of a pencil over 50 years old on an acetonitrile-moistened paper, was successfully imaged for both lead and chromate using a Synapt G2 HDMS mass spectrometer...
March 21, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28315747/multivariate-analysis-of-airway-obstruction-and-reintubation-after-anterior-cervical-surgery-a-retrospective-cohort-study-of-774-patients
#14
REVIEW
Haoxi Li, Yufeng Huang, Bin Shen, Zhaoyu Ba, Desheng Wu
STUDY DESIGN: A retrospective study. PURPOSE: To explore the risk factors for reintubation after airway obstruction following anterior cervical surgery. STUDY BACKGROUND: Anterior cervical surgery is an effective surgical therapy for cervical spine disorders. As the anterior approach is adopted more frequently, some rare postoperative complications come under the spotlight, among which, airway obstruction is extremely detrimental. However, the risk factors and the pathogenesis of the airway obstruction still remain unknown...
March 16, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28278052/astrocytes-induce-proliferation-of-oligodendrocyte-progenitor-cells-via-connexin-47-mediated-activation-of-the-erk-id4-pathway
#15
Zhaoyu Liu, Dan Xu, Shang Wang, Yi Chen, Zhen Li, Xiaoyan Gao, Lu Jiang, Yong Tang, Yan Peng
The proliferative ability of oligodendrocyte progenitor cells (OPCs) varied markedly under different culture conditions. Astrocytes (ASTs) have been verified to play a major role in regulating the proliferation of OPCs through direct contact. However, the mechanisms have not been fully clarified. To investigate the effect and mechanism under AST and OPC co-culture conditions, we analyzed all connexins comprehensively in OPCs under OPC mono-culture, AST-secreted cell factor co-culture and AST-OPC direct-contact co-culture, and found that significantly differentially expressed Cx47 was the most significant...
April 3, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28252286/phosphine-free-synthesis-of-metal-chalcogenide-quantum-dots-by-directly-dissolving-chalcogen-dioxides-in-alkylthiol-as-the-precursor
#16
Dong Yao, Wei Xin, Zhaoyu Liu, Ze Wang, Jianyou Feng, Chunwei Dong, Yi Liu, Bai Yang, Hao Zhang
Semiconductor quantum dots (QDs) are competitive emitting materials in developing new-generation light-emitting diodes (LEDs) with high color rendering and broad color gamut. However, the use of highly toxic alkylphosphines cannot be fully avoided in the synthesis of metal selenide and telluride QDs because they are requisite reducing agents and solvents for preparing chalcogen precursors. In this work, we demonstrate the phosphine-free preparation of selenium (Se) and tellurium (Te) precursors by directly dissolving chalcogen dioxides in the alkylthiol under the mild condition...
March 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28240182/integration-of-novel-materials-and-advanced-omics-technologies-into-new-vaccine-design
#17
Wenzhen Liao, Tian-Tian Zhang, Liqian Gao, Su Seong Lee, Jie Xu, Han Zhang, Zhaogang Yang, Zhaoyu Liu, Wen Li
Designing new vaccines is one of the most challenging tasks for public health to prevent both infectious and chronic diseases. Even though many research scientists have spent great efforts in improving the specificity, sensitivity and safety of current available vaccines, there are still much space on how to effectively combine different biomaterials and technologies to design universal or personalized vaccines. Traditionally, vaccines were made based on empirical approaches designed to mimic immunity induced by natural infection...
February 24, 2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28230281/resveratrol-enhances-self-renewal-of-mouse-embryonic-stem-cells
#18
Na Li, Zhaoyu Du, Qiaoyan Shen, Qijing Lei, Ying Zhang, Mengfei Zhang, Jinlian Hua
Resveratrol (RSV) has been shown to affect the differentiation of several types of stem cells, while the detailed mechanism is elusive. Here, we aim to investigate the function of RSV in self-renewal of mouse embryonic stem cells (ESCs) and the related mechanisms. In contrast with its reported roles, we found unexpectedly that differentiated ESCs or iPSCs treated by RSV would not show further differentiation, but regained a naïve pluripotency state with higher expressions of core transcriptional factors and with the ability to differentiate into all three germ layers when transplanted in vivo...
February 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28223934/plasma-cystatin-c-and-high-density-lipoprotein-are-important-biomarkers-of-alzheimer-s-disease-and-vascular-dementia-a-cross-sectional-study
#19
Rui Wang, Zhaoyu Chen, Yongmei Fu, Xiaobo Wei, Jinchi Liao, Xu Liu, Bingjun He, Yunqi Xu, Jing Zou, Xiaoyan Yang, Ruihui Weng, Sheng Tan, Christopher McElroy, Kunlin Jin, Qing Wang
Objectives: Cystatin C (Cys C) and high-density lipoprotein (HDL) play critical roles in neurodegenerative diseases, such as dementia, Alzheimer's disease (AD) and vascular dementia (VaD). However, whether they can be used as reliable biomarkers to distinguish patients with dementia from healthy subjects and to determine disease severity remain largely unknown. Methods: We conducted a cross-sectional study to determine plasma Cys C and HDL levels of 88 patients with dementia (43 AD patients, 45 VaD patients) and 45 healthy age-matched controls...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28204824/dna-methylation-mediated-caspase-8-downregulation-is-associated-with-anti-apoptotic-activity-and-human-malignant-glioma-grade
#20
Yueqiu Teng, Yu-Cui Dong, Zhaoyu Liu, Yan Zou, Hui Xie, Yu Zhao, Jun Su, Fenglin Cao, Hua Jin, Huan Ren
The methylation-mediated silencing of tumor suppressors, including key apoptosis-related genes plays an important role in the pathogenesis and therapeutic resistance in human cancer. In this study, we aimed to elucidate the role and mechanisms of resistance to apoptosis with caspase-8 gene downregulation in human malignant glioma. Reverse transcription-polymerase chain reaction (RT-PCR) and methylation-specific PCR (MSP) were used to examine caspase-8 expressoin at the mRNA level and gene methylation status in normal brain tissue, glioma tissue and cancer cell lines...
March 2017: International Journal of Molecular Medicine
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