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https://www.readbyqxmd.com/read/29036995/-association-of-alcohol-use-and-incidence-of-type-2-diabetes-mellitus-in-the-middle-aged-and-elderly-male-population-a-prospective-cohort-study
#1
Y Z Zhang, Y Q Yu, Y Yuan, M A He, T C Wu
Objective: To investigate the association between alcohol use and incidence of type 2 diabetes mellitus (T2DM) in the middle-aged and elderly male population. Methods: All participants were from Dongfeng-Tongji cohort, 27 009 retired employees from Dongfeng Motor Corporation in Hubei Province were enrolled in the Dongfeng-Tongji cohort baseline survey in 2008. In baseline study, information of alcohol use and other covariates were collected by semi-structured questionnaire and all participants completed physical examination including the test of fasting glucose and blood lipid levels...
October 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29036932/electrospun-chitosan-gelatin-biopolymer-composite-nanofibers-for-horseradish-peroxidase-immobilization-in-a-hydrogen-peroxide-biosensor
#2
Siriwan Teepoo, Phanphruk Dawan, Naris Barnthip
A biosensor based on chitosan-gelatin composite biopolymers nanofibers is found to be effective for the immobilization of horseradish peroxidase to detect hydrogen peroxide. The biopolymer nanofibers were fabricated by an electrospining technique. Upon optimization of synthesis parameters, biopolymers nanofibers, an average of 80 nm in diameter, were obtained and were then modified on the working electrode surface. The effects of the concentration of enzyme, pH, and concentration of the buffer and the working potential on the current response of the nanofibers-modified electrode toward hydrogen peroxide were optimized to obtain the maximal current response...
October 15, 2017: Biosensors
https://www.readbyqxmd.com/read/29036913/alpha-galacto-oligosaccharides-at-low-dose-improve-liver-steatosis-in-a-high-fat-diet-mouse-model
#3
Eric Chappuis, Fanny Morel-Depeisse, Bruno Bariohay, Julien Roux
Non-Alcoholic Fatty Liver Disease (NAFLD) is the major liver disease worldwide and is linked to the development of metabolic syndrome and obesity. As alpha-galacto-oligosaccharides (α-GOS) from legumes have been shown to reduce body weight and hyperphagia in overweight adults, it was hypothesized that they would exert benefits on the development of metabolic syndrome and associated NAFLD in a rodent model. C57Bl/6J mice were fed a high-fat diet until they developed metabolic syndrome and were then orally treated either with α-GOS at a physiological dose (2...
October 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29036887/reference-intervals-for-non-fasting-cvd-lipids-and-inflammation-markers-in-pregnant-indigenous-australian-women
#4
Tracy L Schumacher, Christopher Oldmeadow, Don Clausen, Loretta Weatherall, Lyniece Keogh, Kirsty G Pringle, Kym M Rae
Indigenous Australians experience high rates of cardiovascular disease (CVD). The origins of CVD may commence during pregnancy, yet few serum reference values for CVD biomarkers exist specific to the pregnancy period. The Gomeroi gaaynggal research project is a program that undertakes research and provides some health services to pregnant Indigenous women. Three hundred and ninety-nine non-fasting samples provided by the study participants (206 pregnancies and 175 women) have been used to construct reference intervals for CVD biomarkers during this critical time...
October 14, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/29036799/hemorheological-parameters-in-monoclonal-gammopathy-of-undetermined-significance-mgus
#5
G Caimi, E Hopps, M Carlisi, M Montana, E Gallà, R Lo Presti, S Siragusa
There is scarcity of information about the hemorheological pattern in subjects with Monoclonal Gammopathy of Undetermined Significance (MGUS). This preliminary research is focused on the behaviour of whole-blood and plasma viscosity, haematocrit and erythrocyte deformability in the above clinical condition. We enrolled 21 MGUS subjects (10 women and 11 men; mean age 66.4 ± 11.6 years). In fasting venous blood we examined whole-blood and plasma viscosity at high and low shear rates, haematocrit, the ratios between whole-blood viscosity (at high and low shear rate) and haematocrit × 100, the ratio between plasma viscosity at low and high shear rate, and the erythrocyte deformability expressed as elongation index...
October 7, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29036795/erythrocyte-deformability-and-hemorheological-profile-in-multiple-myeloma
#6
G Caimi, M Carlisi, M Montana, E Gallà, R Lo Presti, E Hopps, S Siragusa
The hemorheological profile in multiple myeloma (MM) has been extensively studied. Our investigation regarded the behavior of whole-blood viscosity, plasma viscosity and erythrocyte deformability in MM. We enrolled 24 MM patients; 13 of them had been recently diagnosed and were at the initial stage of therapy, 6 were on consolidation/conservation therapy and 5 had achieved a complete remission. On fasting venous blood we evaluated whole-blood and plasma viscosity at high and low shear rates, haematocrit, the ratios between whole-blood viscosity (at high and low shear rate) and haematocrit×100, the ratio between plasma viscosity at low and high shear rate and the erythrocyte deformability examined by using laser diffractometry and expressed as elongation index...
October 7, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29036689/high-dose-fast-neutron-dosimetry-using-padc-plastic-nuclear-track-detectors-and-grey-level-analysis
#7
A Stabilini, K Meier, E G Yukihara
The objective of this work is to demonstrate the possibility of performing fast neutron dosimetry up to 5 Sv using optical absorbance of polyallyl diglycol carbonate (PADC) detectors, obtained through grey level analysis of PADC images acquired with a commercial track-counting dosimetry system, and estimate the uncertainties involved. PADCs were irradiated with doses from 100 mSv to 5 Sv (252Cf source) and etched. PADC images were acquired using the TASLIMAGE™ Neutron Dosimetry System (Track Analysis Systems Ltd...
September 28, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29036588/a-novel-data-structure-to-support-ultra-fast-taxonomic-classification-of-metagenomic-sequences-with-k-mer-signatures
#8
Xinan Liu, Ye Yu, Jinpeng Liu, Corrine F Elliott, Chen Qian, Jinze Liu
Motivation: Metagenomic read classification is a critical step in the identification and quantification of microbial species sampled by high-throughput sequencing. Although many algorithms have been developed to date, they suffer significant memory and/or computational costs. Due to the growing popularity of metagenomic data in both basic science and clinical applications, as well as the increasing volume of data being generated, efficient and accurate algorithms are in high demand. Results: We introduce MetaOthello, a probabilistic hashing classifier for metagenomic sequencing reads...
July 7, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29036577/biobankuniverse-automatic-matchmaking-between-datasets-for-biobank-data-discovery-and-integration
#9
Chao Pang, Fleur Kelpin, David van Enckevort, Niina Eklund, Kaisa Silander, Dennis Hendriksen, Mark de Haan, Jonathan Jetten, Tommy de Boer, Bart Charbon, Petr Holub, Hans Hillege, Morris A Swertz
Motivation: Biobanks are indispensable for large-scale genetic/epidemiological studies, yet it remains difficult for researchers to determine which biobanks contain data matching their research questions. Results: To overcome this, we developed a new matching algorithm that identifies pairs of related data elements between biobanks and research variables with high precision and recall. It integrates lexical comparison, Unified Medical Language System ontology tagging and semantic query expansion...
August 2, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29036535/ploc-manimal-predict-subcellular-localization-of-animal-proteins-with-both-single-and-multiple-sites
#10
Xiang Cheng, Shu-Guang Zhao, Wei-Zhong Lin, Xuan Xiao, Kuo-Chen Chou
Motivation: Cells are deemed the basic unit of life. However, many important functions of cells as well as their growth and reproduction are performed via the protein molecules located at their different organelles or locations. Facing explosive growth of protein sequences, we are challenged to develop fast and effective method to annotate their subcellular localization. However, this is by no means an easy task. Particularly, mounting evidences have indicated proteins have multi-label feature meaning that they may simultaneously exist at, or move between, two or more different subcellular location sites...
July 24, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29036508/a-novel-tepc-for-microdosimetry-at-nanometric-level-response-against-different-neutron-fields
#11
D Bortot, D Mazzucconi, M Bonfanti, S Agosteo, A Pola, S Pasquato, A Fazzi, P Colautti, V Conte
Tissue equivalent proportional counter (TEPC) is the most accurate device for measuring the microdosimetric properties of a particle beam, nevertheless no detailed information on the track structure of the impinging particles can be obtained, since the lower operation limit of common TEPCs is ~0.3 μm. On the other hand, the pattern of particle interactions at the nanometer level is measured by only three different nanodosimeters worldwide: practical instruments are not yet available. In order to partially fill the gap between microdosimetry and track-nanodosimetry, a low-pressure avalanche-confinement TEPC was recently designed and constructed for simulating tissue-equivalent sites down to the nanometric region...
September 29, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29036440/analysis-and-prediction-of-protein-folding-energy-changes-upon-mutation-by-element-specific-persistent-homology
#12
Zixuan Cang, Guo-Wei Wei
Motivation: Site directed mutagenesis is widely used to understand the structure and function of biomolecules. Computational prediction of mutation impacts on protein stability offers a fast, economical and potentially accurate alternative to laboratory mutagenesis. Most existing methods rely on geometric descriptions, this work introduces a topology based approach to provide an entirely new representation of mutation induced protein stability changes that could not be obtained from conventional techniques...
July 14, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29036411/relative-validity-of-nutrient-intakes-assessed-by-questionnaire-24-hour-recalls-and-diet-records-compared-with-urinary-recovery-and-plasma-concentration-biomarkers-findings-for-women
#13
Changzheng Yuan, Donna Spiegelman, Eric B Rimm, Bernard A Rosner, Meir J Stampfer, Junaidah B Barnett, Jorge E Chavarro, Jennifer C Rood, Lisa J Harnack, Laura K Sampson, Walter C Willett
The authors evaluated the performance of a semi-quantitative food frequency questionnaire (SFFQ), web-based 24-hour recalls (ASA24s), and 7-day dietary records (7DDRs) compared to biomarkers among 627 women in Women's Lifestyle Validation Study (US, 2010-2012). Two paper SFFQs, one web-based SFFQ, four ASA24s (beta version), two 7DDRs, four 24-hour urine samples, one doubly-labeled water (repeated among 76 participants), and two fasting blood samples were collected over a 15-months-period. Dietary variables evaluated were energy, energy-adjusted intakes of protein, sodium, potassium, and specific fatty acids, carotenoids, α-tocopherol, retinol and folate...
October 4, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29036359/profia-a-data-preprocessing-workflow-for-flow-injection-analysis-coupled-to-high-resolution-mass-spectrometry
#14
Alexis Delabrière, Ulli M Hohenester, Benoit Colsch, Christophe Junot, François Fenaille, Etienne A Thévenot
Motivation: Flow Injection Analysis coupled to High-Resolution Mass Spectrometry (FIA-HRMS) is a promising approach for high-throughput metabolomics. FIA-HRMS data, however, cannot be preprocessed with current software tools which rely on liquid chromatography separation, or handle low resolution data only. Results: We thus developed the proFIA package, which implements a suite of innovative algorithms to preprocess FIA-HRMS raw files, and generates the table of peak intensities...
July 14, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29036289/victor-genome-based-phylogeny-and-classification-of-prokaryotic-viruses
#15
Jan P Meier-Kolthoff, Markus Göker
Motivation: Bacterial and archaeal viruses are crucial for global biogeochemical cycles and might well be game-changing therapeutic agents in the fight against multi-resistant pathogens. Nevertheless, it is still unclear how to best use genome sequence data for a fast, universal and accurate taxonomic classification of such viruses. Results: We here present a novel in silico framework for phylogeny and classification of prokaryotic viruses, in line with the principles of phylogenetic systematics, and using a large reference dataset of officially classified viruses...
July 7, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29036273/scoop-an-accurate-and-fast-predictor-of-protein-stability-curves-as-a-function-of-temperature
#16
Fabrizio Pucci, Jean Marc Kwasigroch, Marianne Rooman
Motivation: The molecular bases of protein stability remain far from elucidated even though substantial progress has been made through both computational and experimental investigations. One of the most challenging goals is the development of accurate prediction tools of the temperature dependence of the standard folding free energy Δ G ( T ). Such predictors have an enormous series of potential applications, which range from drug design in the biopharmaceutical sector to the optimization of enzyme activity for biofuel production...
June 26, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29036231/vildagliptin-increases-butyrate-producing-bacteria-in-the-gut-of-diabetic-rats
#17
Qian Zhang, Xinhua Xiao, Ming Li, Miao Yu, Fan Ping, Jia Zheng, Tong Wang, Xiaojing Wang
Emerging evidence supports a key role for the gut microbiota in metabolic diseases, including type 2 diabetes (T2D) and obesity. The dipeptidyl peptidase-4 inhibitor vildagliptin is highly efficacious in treating T2D. However, whether vildagliptin can alter the gut microbiome is still unclear. This study aimed to identify whether vildagliptin modifies the gut microbiota structure during T2D treatment. Diabetic Sprague-Dawley (SD) rats were induced by a high-fat diet and streptozotocin injection (HFD/STZ). Diabetic rats were orally administered a low dose of vildagliptin (LV, 0...
2017: PloS One
https://www.readbyqxmd.com/read/29036157/nonlinear-spline-wavefront-reconstruction-from-shack-hartmann-intensity-measurements-through-small-aberration-approximations
#18
Elisabeth Brunner, Cornelis C de Visser, Michel Verhaegen
We propose an extension of the Spline based ABerration Reconstruction (SABRE) method to Shack-Hartmann (SH) intensity measurements, through small aberration approximations of the focal spot models. The original SABRE for SH slope measurements is restricted to the use of linear spline polynomials, due to the limited amount of data, and the resolution of its reconstruction is determined by the number of lenslets. In this work, a fast algorithm is presented that directly processes the pixel information of the focal spots, allowing the employment of nonlinear polynomials for high accuracy reconstruction...
September 1, 2017: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/29036116/fast-computer-hologram-generation-by-flexible-ratio-adaptive-point-spread-spherical-wave-synthesis
#19
Yutaka Mori, Yuto Arai
We propose a flexible-ratio adaptive point-spread spherical wave synthesis method for fast computer-generated hologram calculation. The conventional adaptive point-spread algorithm uses a fixed ratio between the major and minor axes of the point source, whereas the proposed method uses flexible-ratio sources, i.e., ellipses, for more effective calculation. Numerical simulation was conducted to validate the proposed method. The results show that the proposed method has the potential to achieve faster calculation, compared to the calculation in conventional methods, without significant image degradation...
July 1, 2017: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/29036114/stochastic-calculus-analysis-of-optical-time-of-flight-range-imaging-and-estimation-of-radial-motion
#20
Lee Streeter
Time-of-flight range imaging is analyzed using stochastic calculus. Through a series of interpretations and simplifications, the stochastic model leads to two methods for estimating linear radial velocity: maximum likelihood estimation on the transition probability distribution between measurements, and a new method based on analyzing the measured correlation waveform and its first derivative. The methods are tested in a simulated motion experiment from (-40)-(+40)  m/s, with data from a camera imaging an object on a translation stage...
July 1, 2017: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
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