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https://www.readbyqxmd.com/read/28228220/-measurements-of-pulmonary-artery-size-for-assessment-of-pulmonary-hypertension-by-cardiovascular-magnetic-resonance-and-clinical-application
#1
Fan Yang, Dong Li, Zhenwen Yang, Zhang Zhang, Dan Wang, Tielian Yu
BACKGROUND: Pulmonary hypertension (PH) often leads to dilatation of main pulmonary artery (MPA). MPA measurements can be used to predict PH. This aim of this study is to investigate power of MPA vessel indices, which are acquired from cardiovascular magnetic resonance, to evaluate PH. METHODS: Cardiovascular-magnetic-resonance-determined parameters of MPA were acquired and calculated in 83 PH patients, whose diagnosis were confirmed with right heart catheterization and 49 healthy volunteers; these parameters included MPA diameter (DPA), ratio of DPA and ascending aorta diameter (DPA/DAo), max mean diameter (MDmax), min mean diameter (MDmin), fraction transverse diameter (fTD), fraction longitudinal diameter (fLD), and distensibility...
February 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28227386/image-classification-of-unlabeled-malaria-parasites-in-red-blood-cells
#2
Zheng Zhang, L L Sharon Ong, Kong Fang, Athul Matthew, Justin Dauwels, Ming Dao, Harry Asada, Zheng Zhang, L L Sharon Ong, Kong Fang, Athul Matthew, Justin Dauwels, Ming Dao, Harry Asada, Justin Dauwels, Zheng Zhang, Kong Fang, Ming Dao, Harry Asada
This paper presents a method to detect unlabeled malaria parasites in red blood cells. The current "gold standard" for malaria diagnosis is microscopic examination of thick blood smear, a time consuming process requiring extensive training. Our goal is to develop an automate process to identify malaria infected red blood cells. Major issues in automated analysis of microscopy images of unstained blood smears include overlapping cells and oddly shaped cells. Our approach creates robust templates to detect infected and uninfected red cells...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226907/exploring-various-orientation-measurement-approaches-applied-to-a-serious-game-system-for-functional-rehabilitation
#3
Halim Tannous, Dan Istrate, Aziz Benlarbi-Delai, Julien Sarrazin, Mohamad Idriss, Marie-Christine Ho Ba Tho, Tien Tuan Dao, Halim Tannous, Dan Istrate, Aziz Benlarbi-Delai, Julien Sarrazin, Mohamad Idriss, Marie-Christine Ho Ba Tho, Tien Tuan Dao, Tien Tuan Dao, Halim Tannous, Julien Sarrazin, Marie-Christine Ho Ba Tho, Mohamad Idriss, Dan Istrate, Aziz Benlarbi-Delai
Serious games have been established as a complementary tool for conventional rehabilitation. This trend proved to be beneficial for both experts and patients since the first are able to assign and monitor virtual reality games for their patients to be executed at home, and the latter are greatly motivated by the challenges of these games rather than the repeatable and boring rehabilitation movements. In a previous work, we proposed a serious game for lower limb rehabilitation of the musculoskeletal system using the Microsoft Kinect(TM) camera and a virtual environment...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222373/phytochelatins-play-key-roles-for-the-difference-in-root-arsenic-accumulation-of-different-triticum-aestivum-cultivars-in-comparison-with-arsenate-uptake-kinetics-and-reduction
#4
Gao Ling Shi, Lai Qing Lou, Dao Jun Li, Zhu Bing Hu, Qing Sheng Cai
In the previous studies, we have found that arsenic (As) accumulation in roots of bread wheat (Triticum aestivum L.) seedlings were significantly different among different wheat cultivars, and As(V) tolerant wheat cultivars have much higher capacities of root As accumulation. However, the reason for the difference remains unclear. Four wheat cultivars with high (MM45 and FM8) or low (QF1 and HM29) levels of arsenic (As) accumulation were selected to investigate the relationship between root As(V) uptake kinetics and root As accumulation...
February 4, 2017: Chemosphere
https://www.readbyqxmd.com/read/28222044/endocrine-system-on-chip-for-a-diabetes-treatment-model
#5
Dao Thi Thuy Nguyen, Danny van Noort, In-Kyung Jeong, Sungsu Park
The endocrine system is a collection of glands producing hormones which, among others, regulates metabolism, growth and development. One important group of endocrine diseases is diabetes, which is caused by a deficiency or diminished effectiveness of endogenous insulin. By using a microfluidic perfused 3D cell-culture chip, we developed an 'endocrine system on chip' to potentially be able to screen drugs for the treatment of diabetes by measuring insulin release over time. Insulin-secreting β-cells are located in the pancreas, while L-cells, located in the small intestines, stimulate insulin secretion...
February 21, 2017: Biofabrication
https://www.readbyqxmd.com/read/28221679/cover-image-volume-114-number-4-april-2017
#6
Dong-Feng Liu, Di Min, Lei Cheng, Feng Zhang, Dao-Bo Li, Xiang Xiao, Guo-Ping Sheng, Han-Qing Yu
Cover Legend The cover image, by Dong-Feng Liu et al., is based on the Article Anaerobic reduction of 2,6-dinitrotoluene by Shewanella oneidensis MR-1: Roles of Mtr respiratory pathway and NfnB, DOI: 10.1002/bit.26212.
April 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28221041/dialkyl-phosphite-initiated-cyclopropanation-of-%C3%AE-%C3%AE-unsaturated-ketones-using-%C3%AE-ketoesters-or-isatin-derivatives
#7
Deng Yin, Hui Liu, Chong-Dao Lu, Yan-Jun Xu
Efficient cyclopropanation of α,β-unsaturated ketones using α-ketoesters or isatin derivatives is reported. The cyclopropanation reaction occurs via a cascade transformation that starts with addition of deprotonated dialkyl phosphite to the keto groups of α-ketoesters or isatin derivatives, followed by [1,2]-phosphonate/phosphate rearrangement to generate α-phosphonyloxyenolate intermediates, which are trapped by α,β-unsaturated ketones via Michael addition/ring closure. This protocol was used to synthesize tetra-substituted cyclopropanes with a 1,2-cis-1,3-trans configuration in high yield with excellent diastereoselectivity...
February 21, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28216545/potential-of-electrolyzed-water-for-disinfection-of-foot-and-mouth-disease-virus
#8
Vuong N Bui, Khong V Nguyen, Nga T Pham, Anh N Bui, Tung D Dao, Thanh T Nguyen, Hoa T Nguyen, Dai Q Trinh, Kenjiro Inui, Hiroshi Uchiumi, Haruko Ogawa, Kunitoshi Imai
Acidic electrolyzed water (EW) (pH 2.6-5.8) and alkaline EW (pH 11.2-12.1) were examined as potential disinfectants against foot-and-mouth disease virus (FMDV). Using acidic EW with pH 2.6 and alkaline EW with pH>11.7, the viral titer decreased in vitro by >4.0 log values, 2 min after the virus was mixed with EW at a 1:10 dilution. The strong virucidal effect of acidic EW (pH 2.6), but not that of alkaline EW (>11.7), seemed to depend on the chlorine level in the solution. Genetic analysis revealed that viral RNA was substantially reduced, especially by alkaline EW...
February 18, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28214633/prevention-of-eating-disorders-a-systematic-review-and-meta-analysis
#9
REVIEW
Long Khanh-Dao Le, Jan J Barendregt, Phillipa Hay, Cathrine Mihalopoulos
OBJECTIVE: To systematically review and quantify the effectiveness of Eating Disorder (ED) prevention interventions. METHODS: Electronic databases (including the Cochrane Controlled Trial Register, MEDLINE, PsychInfo, EMBASE, and Scopus) were searched for published randomized controlled trials of ED prevention interventions from 2009 to 2015. Trials prior to 2009 were retrieved from prior reviews. RESULTS: One hundred and twelve articles were included...
February 12, 2017: Clinical Psychology Review
https://www.readbyqxmd.com/read/28213881/poor-adherence-to-p2y12-antagonists-increased-cardiovascular-risks-in-chinese-pci-treated-patients
#10
Yang Sun, Chenze Li, Lina Zhang, Dong Hu, Xudong Zhang, Ting Yu, Min Tao, Dao Wen Wang, Xiaoqing Shen
Low adherence to secondary prevention medications (ATM) of patients after acute coronary syndrome (ACS) is associated with poor clinical outcomes. However, literature provides limited data on assessment of ATM and risks associated with poor in Chinese patients with ACS. In the current work, ATM was assessed in consecutively recruited patients with ACS in Tongji Hospital from November 5, 2013 to December 31, 2014. A total of 2126 patients were classified under low adherence (proportion of days covered (PDC) C< 50%) and high adherence (PDC>50%) groups based on their performance after discharge...
February 17, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28213735/microalgae-based-advanced-municipal-wastewater-treatment-for-reuse-in-water-bodies
#11
REVIEW
Jing-Han Wang, Tian-Yuan Zhang, Guo-Hua Dao, Xue-Qiao Xu, Xiao-Xiong Wang, Hong -Ying Hu
Reuse of secondary municipal effluent from wastewater treatment plants in water bodies could effectively alleviate freshwater resource shortage. However, excessive nutrients must be efficiently removed to prevent eutrophication. Compared with other means of advanced wastewater treatment, microalgae-based processes display overwhelming advantages including efficient and simultaneous N and P removal, no requirement of additional chemicals, O2 generation, CO2 mitigation, and potential value-added products from harvested biomass...
February 17, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28212755/stimulating-central-carbon-metabolism-to-re-sensitize-pseudomonas-aeruginosa-to-aminoglycosides
#12
Dorival Martins, Dao Nguyen
In this issue of Cell Chemical Biology, Meylan et al. (2017) examine how stimulation of central carbon metabolism of Pseudomonas aeruginosa modulates aminoglycoside lethality in tolerant bacteria. They identify fumarate as a tobramycin potentiator that stimulates proton motive force-dependent drug uptake and increases respiration-dependent killing.
February 16, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28209258/biliary-tract-external-drainage-protects-against-multiple-organs-injuries-of-severe-acute-pancreatitis-rats-via-heme-oxygenase-1-upregulation
#13
Jin-Long Wang, Ying Chen, Xiao-Qing Song, Mei-Ling Lu, Bing Zhao, Li Ma, Er-Zhen Chen, En-Qiang Mao
OBJECTIVE: To investigate the effect of biliary tract external drainage (BTED) on severe acute pancreatitis (SAP) in rats and the relationship with heme oxygenase-1 (HO-1) pathway. METHODS: Thirty SD rats weighing 250-300 g were randomly assigned into five groups (n = 6): sham surgery (SS) group, SAP group, SAP + BTED group, SAP + zinc protoporphyrin IX (ZnPP) group, SAP + BTED + ZnPP group. The SAP model was induced via retrograde injection of 4% sodium taurocholate (1 mL/kg) into biliopancreatic duct through duodenal wall...
February 1, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28202465/metabolic-rate-and-hypoxia-tolerance-are-affected-by-group-interactions-and-sex-in-the-fruit-fly-drosophila-melanogaster-new-data-and-a-literature-survey
#14
Warren Burggren, BriAnna M Souder, Dao H Ho
Population density and associated behavioral adjustments are potentially important in regulating physiological performance in many animals. In r-selected species like the fruit fly (Drosophila), where population density rapidly shifts in unpredictable and unstable environments, density-dependent physiological adjustments may aid survival of individuals living in a social environment. Yet, how population density (and associated social behaviors) affects physiological functions like metabolism is poorly understood in insects...
February 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28199898/differential-release-of-manure-borne-bioactive-phosphorus-forms-to-runoff-and-leachate-under-simulated-rain
#15
R A Blaustein, Thanh H Dao, Y A Pachepsky, D R Shelton
Limited information exists on the unhindered release of bioactive phosphorus (P) from a manure layer to model the partitioning and transport of component P forms before they reach an underlying soil. Rain simulations were conducted to quantify effects of intensity (30, 60, and 90 mm h(-1)) on P release from an application of 60 Mg ha(-1) of dairy manure. Runoff contained water-extractable- (WEP), exchangeable and enzyme-labile bioactive P (TBIOP), in contrast to the operationally defined "dissolved-reactive P" form...
February 12, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28198682/molecular-epidemiology-and-antimicrobial-resistance-phenotypes-of-acinetobacter-baumannii-isolated-from-patients-in-three-hospitals-in-southern-vietnam
#16
Nguyen Tuan Anh, Tran Vu Thieu Nga, Huynh Minh Tuan, Nguyen Si Tuan, Dao Minh Y, Nguyen Van Vinh Chau, Stephen Baker, Ho Huynh Thuy Duong
Multidrug resistance in the nosocomial pathogen Acinetobacter baumannii limits therapeutic options and impacts on clinical care. Resistance against carbapenems, a group of last-resort antimicrobials for treating multidrug-resistant (MDR) A. baumannii infections, is associated with the expression (and over-expression) of carbapenemases encoded by the blaOXA genes. The aim of this study was to determine the prevalence of antimicrobial-resistant A. baumannii associated with infection in three hospitals in southern Vietnam and to characterize the genetic determinants associated with resistance against carbapenems...
January 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28197415/pharmacoinformatics-adaptive-evolution-and-elucidation-of-six-novel-compounds-for-schizophrenia-treatment-by-targeting-daoa-g72-isoforms
#17
Sheikh Arslan Sehgal
Studies on Schizophrenia so far reveal a complex picture of neurological malfunctioning reported to be strongly associated with DAOA. Detailed sequence analyses proved DAOA as a primate specific gene having conserved gene desert region on both upstream and downstream region. The analyses of 10 MB chromosomal region of primates, birds, rodents, and reptiles having DAOA evidenced the conserved part in primates and in the rest of species, while DAOA is only present in primates. DAOA has four isoforms having one interaction partner DAO...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28192918/monitoring-gold-nanoparticle-growth-in-situ-via-the-acoustic-vibrations-probed-by-four-wave-mixing
#18
Jian Wu, Dao Xiang, Reuven Gordon
We monitor in situ gold nanoparticle growth in aqueous solution by probing the acoustic vibrations with four-wave mixing. We observe two acoustic vibrational modes of gold nanoparticles from the nonlinear optical response: an extensional mode with longitudinal expansion and transverse contraction and a breathing mode with radial expansion and contraction. The mode frequencies, which show an inverse dependence on the nanoparticle diameter, allow one to monitor the nanoparticle size and size distribution during synthesis...
January 30, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28192726/novel-strategy-to-improve-vanillin-tolerance-and-ethanol-fermentation-performances-of-saccharomycere-cerevisiae-strains
#19
Dao-Qiong Zheng, Xin-Na Jin, Ke Zhang, Ya-Hong Fang, Xue-Chang Wu
The aim of this work was to develop a novel strategy for improving the vanillin tolerance and ethanol fermentation performances of Saccharomyces cerevisiae strains. Isogeneic diploid, triploid, and tetraploid S. cerevisiae strains were generated by genome duplication of haploid strain CEN.PK2-1C. Ploidy increments improved vanillin tolerance and diminished proliferation capability. Antimitotic drug methyl benzimidazol-2-ylcarbamate (MBC) was used to introduce chromosomal aberrations into the tetraploid S. cerevisiae strain...
January 26, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28189112/utility-of-pt-in-ptni-alloy-counter-electrodes-as-a-new-avenue-for-cost-effective-and-highly-efficient-liquid-junction-photovoltaic-devices
#20
Kyung-Ho Bae, Van-Duong Dao, Ho-Suk Choi
This study presents the synthesis of PtNi alloys with different volume ratios of Pt and Ni precursors in mixture solutions using dry plasma reduction under atmospheric pressure and low temperature. The developed materials are applied as efficient counter electrodes (CEs) in dye-sensitized solar cells (DSCs). The investigation of the Pt utility in PtNi alloys for electrocatalytic activity, and cost effective and highly efficient DSCs are also investigated. Compared with the reference electrodes (Pt and Ni CEs), the developed PtNi alloy CEs exhibit better reversibility as indicated by the peak-to-peak separation and better catalytic activity for the regeneration of iodide ions from triiodide ions...
February 3, 2017: Journal of Colloid and Interface Science
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