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https://www.readbyqxmd.com/read/29136927/enantioselective-determination-of-metconazole-in-multi-matrices-by-high-performance-liquid-chromatography
#1
Rujian He, Jun Fan, Qi Tan, Yecai Lai, Xiaodong Chen, Tai Wang, Ying Jiang, Yaomou Zhang, Weiguang Zhang
A reliable and effective HPLC analytical method has been developed to stereoselectively quantify metconazole in soil and flour matrices. Effects of polysaccharide chiral stationary phase, type and content of alcoholic modifier on separation of racemic metconazole have been discussed in detail. Resolution and quantitative determination of metconazole stereoisomers were performed by using an Enantiopak OD column, with the n-hexane-ethanol mixture (97:3, v/v) at the flow rate of 1.0mL/min. Then, extraction and cleanup procedures followed by the modified QuEChERS (quick, easy, cheap, effective, rugged and safe) method were used for metconazole racemate in soil and flour matrices...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29103411/prospects-of-a-comprehensive-evaluation-system-for-traditional-chinese-medicine-services
#2
REVIEW
Wen-Jie Xu, Ling-Tai Wang, Zhi-Ping Zhao, Li-Ming Zhu, Liang-Hua Zu, Qi Zhang, Dan-Bo Dou
Traditional Chinese medicine (TCM) is a unique health resource in China and one of the main representative traditional medicines globally. TCM has formed a new way of looking at medical practices, health care, scientific research, education, industry and culture. It focuses on promoting and safeguarding the health of people, with an increasing contribution to economic and social development. Establishing a comprehensive evaluation system in accordance with the characteristics of TCM services could promote the scientific merit and the standardization of services management...
November 2017: Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28985428/an-rna-editing-dsrna-binding-independent-gene-regulatory-mechanism-of-adars-and-its-clinical-implication-in-cancer
#3
Lihua Qi, Yangyang Song, Tim Hon Man Chan, Henry Yang, Chi Ho Lin, Daryl Jin Tai Tay, HuiQi Hong, Sze Jing Tang, Kar Tong Tan, Xi Xiao Huang, Jaymie Siqi Lin, Vanessa Hui En Ng, Julien Jean Pierre Maury, Daniel G Tenen, Leilei Chen
Adenosine-to-inosine (A-to-I) RNA editing, catalyzed by Adenosine DeAminases acting on double-stranded RNA(dsRNA) (ADAR), occurs predominantly in the 3' untranslated regions (3'UTRs) of spliced mRNA. Here we uncover an unanticipated link between ADARs (ADAR1 and ADAR2) and the expression of target genes undergoing extensive 3'UTR editing. Using METTL7A (Methyltransferase Like 7A), a novel tumor suppressor gene with multiple editing sites at its 3'UTR, we demonstrate that its expression could be repressed by ADARs beyond their RNA editing and double-stranded RNA (dsRNA) binding functions...
October 13, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28933493/novel-multi-analyte-responsive-ionic-supramolecular-gels-based-on-pyridinium-functionalized-naphthalimide
#4
Qi Lin, Peng-Peng Mao, Yan-Qing Fan, Pei-Pei Jia, Juan Liu, You-Ming Zhang, Hong Yao, Tai-Bao Wei
A novel ionic supramolecular gel (is-G) is synthesized using N-(pyridinium-4-yl)-naphthalimide (G1) and n-pentanoic acid. By rationally introducing competitive coordination into is-G, two ion coordinated ionic supramolecular gels is-IG and is-FeG (coordinated with I(-) and Fe(3+), respectively) are obtained. is-IG could fluorescently "turn-on" detect Hg(2+) and l-Arg with specific selectivity, whereas, is-FeG could accurately identify l-Ser via fluorescence in water. Moreover, ion or amino acid responsive films based on these ionic supramolecular gels are prepared...
October 18, 2017: Soft Matter
https://www.readbyqxmd.com/read/28932857/a-novel-supramolecular-organogel-based-on-acylhydrazone-functionalized-pillar-5-arene-acts-as-an-i-responsive-smart-material
#5
Qi Lin, Xiao-Mei Jiang, Lu Liu, Jin-Fa Chen, You-Ming Zhang, Hong Yao, Tai-Bao Wei
A novel organic gelator (PZ) has been synthesized by rationally connecting a pillar[5]arene moiety and a bis(hexadecyloxy)phenyl functionalized acylhydrazone moiety. PZ could self-assemble into a supramolecular polymer and form a stable organogel (OPZ) in cyclohexanol by multi-self-assembly driving forces such as C-Hπ, ππ, vdW and hydrogen bonding interactions. The organogel (OPZ) shows blue aggregation-induced emission (AIE). Interestingly, the organogel OPZ could sense iodide ions (I(-)) in the gel-gel state with high selectivity and sensitivity...
October 11, 2017: Soft Matter
https://www.readbyqxmd.com/read/28915274/prevalence-of-mind-and-body-exercises-mbe-in-relation-to-demographics-self-rated-health-and-purchases-of-prescribed-psychotropic-drugs-and-analgesics
#6
MULTICENTER STUDY
Lina Rådmark, Linda L Magnusson Hanson, Eva Bojner Horwitz, Walter Osika
This study aims to identify any differences regarding gender, age, socioeconomic status (SES), self-rated health, perceived stress and the purchase of prescribed drugs among people who practice mind and body exercises (MBE) extensively compared to people who do not. METHODS: The study includes 3,913 men and 4,803 women aged 20-72 who participated in the Swedish Longitudinal Occupational Survey of Health (SLOSH). The respondents were divided into three groups depending on frequency of MBE practice (never/seldom/often)...
2017: PloS One
https://www.readbyqxmd.com/read/28826710/biomechanical-analysis-of-bilateral-facet-joint-stabilization-using-bioderived-tendon-for-posterior-cervical-spine-motion-reservation-in-goats
#7
Bei-Yu Wang, Ting-Kui Wu, Hao Liu, Wei-Guang Hou, Li-Tai Ma, Yu-Xiao Deng, Chen Ding, Ying Hong, Hui-Qi Xie
OBJECTIVES: To investigate the biomechanical properties of a novel stabilization method for posterior cervical motion preservation using bioderived freeze-dried tendon. METHODS: Experiments were conducted both in vitro and in vivo. For the in vitro group, 15 fresh-frozen goat spines (C1-C7) were randomly divided into 3 subgroups: intact (INT-vitro, n = 5), injury model (IM-vitro, n = 5), and bilateral facet joint stabilization (BFJS-vitro, n = 5) subgroups...
November 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28825707/satellite-to-ground-quantum-key-distribution
#8
Sheng-Kai Liao, Wen-Qi Cai, Wei-Yue Liu, Liang Zhang, Yang Li, Ji-Gang Ren, Juan Yin, Qi Shen, Yuan Cao, Zheng-Ping Li, Feng-Zhi Li, Xia-Wei Chen, Li-Hua Sun, Jian-Jun Jia, Jin-Cai Wu, Xiao-Jun Jiang, Jian-Feng Wang, Yong-Mei Huang, Qiang Wang, Yi-Lin Zhou, Lei Deng, Tao Xi, Lu Ma, Tai Hu, Qiang Zhang, Yu-Ao Chen, Nai-Le Liu, Xiang-Bin Wang, Zhen-Cai Zhu, Chao-Yang Lu, Rong Shu, Cheng-Zhi Peng, Jian-Yu Wang, Jian-Wei Pan
Quantum key distribution (QKD) uses individual light quanta in quantum superposition states to guarantee unconditional communication security between distant parties. However, the distance over which QKD is achievable has been limited to a few hundred kilometres, owing to the channel loss that occurs when using optical fibres or terrestrial free space that exponentially reduces the photon transmission rate. Satellite-based QKD has the potential to help to establish a global-scale quantum network, owing to the negligible photon loss and decoherence experienced in empty space...
September 7, 2017: Nature
https://www.readbyqxmd.com/read/28820652/decreasing-stroke-code-to-ct-time-in-patients-presenting-with-stroke-symptoms
#9
Aleksandrs Kalnins, L Jake Mickelsen, Daisha Marsh, Christoph Zorich, Stephanie Casal, Waimei Amy Tai, Nirali Vora, Gennette Olalia, Max Wintermark, David B Larson
Guided quality improvement (QI) programs present an effective means to streamline stroke code to computed tomography (CT) times in a comprehensive stroke center. Applying QI methods and a multidisciplinary team approach may decrease the stroke code to CT time in non-prenotified emergency department (ED) patients presenting with symptoms of stroke. The aim of this project was to decrease this time for non-prenotified stroke code patients from a baseline mean of 20 minutes to one less than 15 minutes during an 18-week period by applying QI methods in the context of a structured QI program...
September 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28798294/comparative-study-of-recessive-spherical-headed-silicone-intubation-and-endonasal-dacryocystorhinostomy-under-nasal-endoscopy-for-nasolacrimal-duct-obstruction
#10
Hui-Yi Deng, Tao Wang, Xue-Kun Huang, Qin-Tai Yang, Shi-Qi Ling, Wei-Hao Wang, Mei-Jiao Li, Fang-Qin Ning, Ge-Hua Zhang
Between July 2014 and November 2015, we compared the curative effects and cost-effectiveness of two kinds of nasal endoscopic surgery for nasolacrimal duct obstruction (NLDO) in a single-centre, two-armed clinical trial with a 1-year follow-up. We included two groups: a recessive spherical headed silicone intubation (RSHSI) group and an endonasal dacryocystorhinostomy (En-DCR) group; both received nasal endoscopy. Patients were recruited from the Otorhinolaryngology and Ophthalmology departments. The main outcome measures were epiphora improvement (classified as cure, effective, or invalid), cost-effectiveness, visual analogue scale (VAS) intraoperative pain score, bleeding volume, operating time, hospitalisation time, total cost, and VAS postoperative epiphora score...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28740383/enhanced-immunization-via-dissolving-microneedle-array-based-delivery-system-incorporating-subunit-vaccine-and-saponin-adjuvant
#11
Ji-Hui Zhao, Qi-Bo Zhang, Bao Liu, Xiang-Hua Piao, Yu-Lu Yan, Xiao-Ge Hu, Kuan Zhou, Yong-Tai Zhang, Nian-Ping Feng
PURPOSE: To enhance the immunogenicity of the model subunit vaccine, ovalbumin (OVA) was combined with platycodin (PD), a saponin adjuvant. To reduce the toxicity of PD, OVA, and adjuvant were loaded together into liposomes before being incorporated into a dissolving microneedle array. METHODS: OVA- and PD-loaded liposomes (OVA-PD-Lipos) were prepared using the film dispersion method. Their uptake behavior, toxicity to mouse bone marrow dendritic cells (BMDCs), and hemolytic activity to rabbit red blood cells (RBCs) were evaluated...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28724891/hypoxia-inducible-factor-1-alpha-is-involved-in-rip-induced-necroptosis-caused-by-in-vitro-and-in-vivo-ischemic-brain-injury
#12
Xiao-Sa Yang, Tai-Long Yi, Sai Zhang, Zhong-Wei Xu, Ze-Qi Yu, Hong-Tao Sun, Cheng Yang, Yue Tu, Shi-Xiang Cheng
Necroptosis, a novel type of programmed cell death, is involved in stroke-induced ischemic brain injury. Although studies have sought to explore the mechanisms of necroptosis, its signaling pathway has not yet to be completely elucidated. Thus, we used oxygen-glucose deprivation (OGD) and middle cerebral artery occlusion (MCAO) models mimicking ischemic stroke (IS) conditions to investigate mechanisms of necroptosis. We found that OGD and MCAO induced cell death, local brain ischemia and neurological deficit, while zVAD-fmk (zVAD, an apoptotic inhibitor), GSK'872 (a receptor interacting protein kinase-3 (RIP3) inhibitor), and combined treatment alleviated cell death and ischemic brain injury...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28677714/a-pillar-5-arene-based-multiple-stimuli-responsive-metal-organic-gel-was-constructed-for-facile-removal-of-mercury-ions
#13
Jin-Fa Chen, Xi Liu, Jin-Feng Ma, Bing-Bing Han, Jin-Dong Ding, Qi Lin, Hong Yao, You-Ming Zhang, Tai-Bao Wei
A thioacetohydrazide functionalized pillar[5]arene was synthesized, which could further assemble into a linear supramolecular metal-organic polymer upon adding Zn(2+). Furthermore, the obtained linear supramolecular metal-organic polymer could self-assemble to form a fluorescent supramolecular metal-organic gel at high concentration. When TBAOH was added to the viscous solution at high temperature, the obtained solution could not form a supramolecular metal-organic gel upon cooling. More importantly, when Hg(2+) ions are added to the metal-organic gel, the strong blue fluorescence is clearly quenched, and this metal-organic gel (xerogel) could effectively remove Hg(2+) from water...
August 2, 2017: Soft Matter
https://www.readbyqxmd.com/read/28599648/surgeons-knowledge-regarding-the-diagnosis-and-management-of-pancreatic-cancer-in-china-a-cross-sectional-study
#14
Bing-Qi Li, Li Wang, Jian Li, Li Zhou, Tai-Ping Zhang, Jun-Chao Guo, Yu-Pei Zhao
BACKGROUND: Pancreatic cancer is rare but highly malignant. Studies have shown that surgeons' knowledge closely links to the correct diagnosis and treatment outcomes of pancreatic cancer. The purpose of this study was to survey current surgeons' knowledge regarding pancreatic cancer. METHODS: A cross-sectional study was conducted among 705 surgeons who attended the 2011 China Surgical Week's meeting in Beijing. A questionnaire regarding the risk factors, clinical manifestations, diagnosis, and treatment of pancreatic cancer was used...
June 9, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28581522/blockade-of-deubiquitylating-enzyme-rpn11-triggers-apoptosis-in-multiple-myeloma-cells-and-overcomes-bortezomib-resistance
#15
Y Song, S Li, A Ray, D S Das, J Qi, M K Samur, Y-T Tai, N Munshi, R D Carrasco, D Chauhan, K C Anderson
Proteasome inhibition is an effective therapy for multiple myeloma (MM) patients; however, the emergence of drug resistance is common. Novel therapeutic strategies to overcome proteasome inhibitor resistance are needed. In this study, we examined whether targeting deubiquitylating (DUB) enzymes upstream of 20S proteasome overcomes proteasome inhibitor resistance. Gene expression analysis, immunohistochemical studies of MM patient bone marrow, reverse transcription-PCR and protein analysis show that Rpn11/POH1, a DUB enzyme upstream of 20S proteasome, is more highly expressed in patient MM cells than in normal plasma cells...
October 5, 2017: Oncogene
https://www.readbyqxmd.com/read/28493227/-complementary-and-alternative-procedures-for-fibromyalgia-syndrome-updated-guidelines-2017-and-overview-of-systematic-review-articles
#16
J Langhorst, P Heldmann, P Henningsen, K Kopke, L Krumbein, H Lucius, A Winkelmann, B Wolf, W Häuser
BACKGROUND: The regular update of the guidelines on fibromyalgia syndrome, AWMF number 145/004, was scheduled for April 2017. METHODS: The guidelines were developed by 13 scientific societies and 2 patient self-help organizations coordinated by the German Pain Society. Working groups (n =8) with a total of 42 members were formed balanced with respect to gender, medical expertise, position in the medical or scientific hierarchy and potential conflicts of interest...
June 2017: Der Schmerz
https://www.readbyqxmd.com/read/28454430/wt1-associated-protein-is-a-novel-prognostic-factor-in-pancreatic-ductal-adenocarcinoma
#17
Bing-Qi Li, Shuai Huang, Qian-Qian Shao, Jian Sun, Li Zhou, Lei You, Tai-Ping Zhang, Quan Liao, Jun-Chao Guo, Yu-Pei Zhao
Although Wilms tumor 1 (WT1)-associated protein (WTAP) was initially found to be a specific WT1-binding protein, it has increasingly attracted attention because of its oncogenic role in various types of malignancies, including cholangiocarcinoma, glioblastoma and acute myeloid leukemia. However, the clinical impact of WTAP on pancreatic ductal adenocarcinoma (PDAC) is still unknown. A total of 145 patients who underwent surgical treatment from 2004 to 2008 were enrolled in the present study. The cytoplasmic and nuclear expression of WTAP in tumor and adjacent normal tissues was examined by immunohistochemical analysis in order to investigate the relationship between WTAP and the clinicopathological factors and prognosis of patients with PDAC...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28427459/subjective-perceived-impact-of-tai-chi-training-on-physical-and-mental-health-among-community-older-adults-at-risk-for-ischemic-stroke-a-qualitative-study
#18
RANDOMIZED CONTROLLED TRIAL
Guohua Zheng, Zhenyu Xiong, Xin Zheng, Junzhe Li, Tingjin Duan, Dalu Qi, Kun Ling, Lidian Chen
BACKGROUND: Evidence from quantitative studies suggest that Tai Chi produces a variety of health-related benefits, but few qualitative studies have investigated how older adults perceive the benefit of Tai Chi. The objective of the current study was to qualitatively evaluate the perceived benefits of Tai Chi practice among community older population. METHODS: This study was conducted with participants from a trial examining the effects of a 12-week Tai Chi training on ischemic stroke risk in community older adults (n = 170)...
April 20, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28405790/csh-guidelines-for-the-diagnosis-and-treatment-of-drug-induced-liver-injury
#19
EDITORIAL
Yue-Cheng Yu, Yi-Min Mao, Cheng-Wei Chen, Jin-Jun Chen, Jun Chen, Wen-Ming Cong, Yang Ding, Zhong-Ping Duan, Qing-Chun Fu, Xiao-Yan Guo, Peng Hu, Xi-Qi Hu, Ji-Dong Jia, Rong-Tao Lai, Dong-Liang Li, Ying-Xia Liu, Lun-Gen Lu, Shi-Wu Ma, Xiong Ma, Yue-Min Nan, Hong Ren, Tao Shen, Hao Wang, Ji-Yao Wang, Tai-Ling Wang, Xiao-Jin Wang, Lai Wei, Qing Xie, Wen Xie, Chang-Qing Yang, Dong-Liang Yang, Yan-Yan Yu, Min-de Zeng, Li Zhang, Xin-Yan Zhao, Hui Zhuang
Drug-induced liver injury (DILI) is an important clinical problem, which has received more attention in recent decades. It can be induced by small chemical molecules, biological agents, traditional Chinese medicines (TCM), natural medicines (NM), health products (HP), and dietary supplements (DS). Idiosyncratic DILI is far more common than intrinsic DILI clinically and can be classified into hepatocellular injury, cholestatic injury, hepatocellular-cholestatic mixed injury, and vascular injury based on the types of injured target cells...
May 2017: Hepatology International
https://www.readbyqxmd.com/read/28395227/colorimetric-and-fluorescent-chemosensor-for-highly-selective-and-sensitive-relay-detection-of-cu-2-and-h2po4-in-aqueous-media
#20
Jun-Xia Su, Xiao-Ting Wang, Jing Chang, Gui-Yuan Wu, Hai-Ming Wang, Hong Yao, Qi Lin, You-Ming Zhang, Tai-Bao Wei
In this manuscript, a new colorimetric and fluorescent chemosensor (T) was designed and synthesized, it could successively detect Cu(2+) and H2PO4(-) in DMSO/H2O (v/v=9:1, pH=7.2) buffer solution with high selectivity and sensitivity. When added Cu(2+) ions into the solution of T, it showed a color changes from yellow to colorless, meanwhile, the green fluorescence of sensor T quenched. This recognition behavior was not affected in the presence of other cations, including Hg(2+), Ag(+), Ca(2+), Co(2+), Ni(2+), Cd(2+), Pb(2+), Zn(2+), Cr(3+), and Mg(2+) ions...
July 5, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
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