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https://www.readbyqxmd.com/read/28734179/computational-analysis-for-the-determination-of-deleterious-nssnps-in-human-mthfd1-gene
#1
Mansi Desai, J B Chauhan
Single nucleotide polymorphisms (SNPs) are the most common genetic polymorphisms and play a major role in many inherited diseases. Methylenetetrahydrofolate dehydrogenase 1 (MTHFD1) is one of the enzymes involved in folate metabolism. In the present study, the functional and structural consequences of nsSNPs of human MTHFD1 gene was analyzed using various computational tools like SIFT, PolyPhen2, PANTHER, PROVEAN, SNAP2, nsSNPAnalyzer, PhD-SNP, SNPs&GO, I-Mutant, MuPro, ConSurf, InterPro, NCBI Conserved Domain Search tool, ModPred, SPARKS-X, RAMPAGE, FT Site and PyMol...
July 11, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28732161/an-elegant-ph-responsive-nanovehicle-for-drug-delivery-based-on-triazine-dendrimer-modified-magnetic-nanoparticles
#2
Amir Landarani-Isfahani, Majid Moghadam, Shima Mohammadi, Maryam Royvaran, Naimeh Moshtael-Arani, Saghar Rezaei, Shahram Tangestaninejad, Valiollah Mirkhani, Iraj Mohammadpoor-Baltork
Owing to properties of magnetic nanoparticles and elegant three-dimensional macromolecule architectural features, dendrimeric structures have been investigated as nanoscale drug delivery systems. In this paper, a novel magnetic nanocarrier, generation two (G2) triazine dendrimer modified Fe3O4@SiO2 magnetic nanoparticles (MNP-G2), was designed, fabricated and characterized by Fourier transform infrared (FT-IR), thermal gravimetric analysis (TGA), vibrating sample magnetometer (VSM), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM) and dynamic light scattering (DLS)...
July 21, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28731364/synthesis-of-a-new-insulin-mimetic-anti-diabetic-drug-containing-vitamin-a-and-vanadium-iv-salt-chemico-biological-characterizations
#3
Abdel Majid A Adam, Ahmed M Naglah, Mohamed A Al-Omar, Moamen S Refat
Diabetes patients suffer from chronic disorders in the metabolism due to high blood sugar caused by anomalies in insulin excretion. Recently, vanadium compounds have been prepared and functionalized to decrease the level of hyperglycemia. Vitamin A boosts beta cell activity; therefore, the lack of this vitamin plays a role in the development of type 2 diabetes. The aim of this article focused on the synthesis of a new anti-diabetic drug formed from the complexation of a vanadium(IV) salt with vitamin A. Vitamin A acts as a unidentate chelate through the oxygen of its -OH group...
July 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28730362/removal-of-cr-vi-from-aqueous-solution-using-electrosynthesized-4-amino-3-hydroxynaphthalene-1-sulfonic-acid-doped-polypyrrole-as-adsorbent
#4
Mohamed Lamine Sall, Abdou Karim Diagne Diaw, Diariatou Gningue-Sall, Alexandre Chevillot-Biraud, Nihal Oturan, Mehmet Ali Oturan, Jean-Jacques Aaron
Polypyrrole (PPy) conducting films, doped with 4-amino-3-hydroxynaphthalene sulfonic acid (AHNSA), were electrosynthesized by anodic oxidation of pyrrole on Pt and steel electrodes in aqueous medium (0.01 M AHNSA +0.007 M NaOH, using cyclic voltammetry (CV), and their electrochemical properties were studied. Fourier-transform infrared (FT-IR) spectroscopy confirmed the formation of AHNSA-PPy films. Their morphology was characterized by scanning electron microscopy (SEM), and their optical properties, including UV-VIS absorption and fluorescence spectra, were also investigated...
July 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28730357/biosynthesis-of-silver-nanoparticles-from-spirulina-microalgae-and-its-antibacterial-activity
#5
Govarthanan Muthusamy, Selvankumar Thangasamy, Mythili Raja, Sudhakar Chinnappan, Selvam Kandasamy
The present work focuses on a low-cost, simple, and green synthesis of silver nanoparticles (AgNPs) by mixing AgNO3 solution with the extract of Spirulina platensis (SP) without any chemical reducing and/or capping agents. The green synthesis of AgNPs was confirmed by the color change from colorless to yellowish brown. The biosynthesis of AgNPs was further confirmed by UV-visible spectroscopy (UV-vis), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), biological transmission electron microscopy (Bio-TEM), and energy dispersive X-ray analysis (EDX)...
July 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28729925/patterns-of-production-of-collagen-rich-deposits-in-peripheral-nerves-in-response-to-injury-a-pilot-study-in-a-rabbit-model
#6
Michael Rivlin, Andrew Miller, Jacob Tulipan, Pedro K Beredjiklian, Mark L Wang, Jolanta Fertala, Andrzej Steplewski, James Kostas, Andrzej Fertala
INTRODUCTION: Although collagen-rich deposits are the main component of neural scars, the patterns of their formation are ill defined. Essential to the biosynthesis of collagen fibrils are enzymes catalyzing posttranslational modifications and chaperones that control the formation of the collagen triple helix. Prolyl-4-hydroxylase (P4H) and heat shock protein-47 (HSP47) play a key role, and their production is upregulated during scar formation in human tissues. Alpha smooth muscle actin (αSMA) is also produced during fibrotic processes in myofibroblasts that participate in fibrotic response...
July 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28729868/the-c4-model-grass-setaria-is-a-short-day-plant-with-secondary-long-day-genetic-regulation
#7
Andrew N Doust, Margarita Mauro-Herrera, John G Hodge, Jessica Stromski
The effect of photoperiod (day:night ratio) on flowering time was investigated in the wild species, Setaria viridis, and in a set of recombinant inbred lines (RILs) derived from a cross between foxtail millet (S. italica) and its wild ancestor green foxtail (S. viridis). Photoperiods totaled 24 h, with three trials of 8:16, 12:12 and 16:8 light:dark hour regimes for the RIL population, and these plus 10:14 and 14:10 for the experiments with S. viridis alone. The response of S. viridis to light intensity as well as photoperiod was assessed by duplicating photoperiods at two light intensities (300 and 600 μmol...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28729223/synthesis-characterization-and-antimicrobial-study-of-polymeric-transition-metal-complexes-of-mn-ii-co-ii-ni-ii-cu-ii-and-zn-ii
#8
Shamim Ahmad Khan, Shahab A A Nami, Shahnawaz Ahmad Bhat, Abdul Kareem, Nahid Nishat
Salen ligands comprising of o-phenylenediamine (salop) and p-phenylenediamine (salpp) have been synthesized. The salen ligand, salop undergo Schiff base reaction with Formaldehyde and Barbituric acid to generate novel polymeric Schiff base, SBOPA in one instance while the second salen ligand, salpp on Schiff base reaction with formaldehyde and piperazine gives another novel polymeric Schiff base, SBPBA. These polymeric Schiff base ligands, SBOPA and SBPBA generates polymeric metal complexes in high yields on reaction with transition metal acetates, M(CH3COO)2...
July 17, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28728087/surface-imprinted-bacterial-cellulose-nanofibers-for-hemoglobin-purification
#9
Monireh Bakhshpour, Emel Tamahkar, Müge Andaç, Adil Denizli
There is a significant need for the development of the novel adsorbents in the field of protein purification. In this study, thin hemoglobin imprinted film (MIP) was fabricated onto the bacterial cellulose nanofibers' (BCNFs) by surface imprinting method using metal ion coordination interactions with N-methacryloyl-(L)-histidinemethylester (MAH) and copper ions. The hemoglobin surface imprinted bacterial cellulose nanofibers (MIP-BCNFs) was applied to selective recognition of hemoglobin and purification from hemolysate...
July 10, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28727107/national-beef-quality-audit-2016-survey-of-carcass-characteristics-through-instrument-grading-assessments
#10
C A Boykin, L C Eastwood, M K Harris, D S Hale, C R Kerth, D B Griffin, A N Arnold, J D Hasty, K E Belk, D R Woerner, R J Delmore, J N Martin, D L VanOverbeke, G G Mafi, M M Pfeiffer, T E Lawrence, T J McEvers, T B Schmidt, R J Maddock, D D Johnson, C C Carr, J M Scheffler, T D Pringle, A M Stelzleni, J Gottlieb, J W Savell
The instrument grading assessment portion of the National Beef Quality Audit (NBQA) - 2016 allows the unique opportunity to evaluate beef carcass traits over the course of a year. One week of instrument grading data was collected each month from 5 beef processing corporations encompassing 18 facilities from January 2016 through December 2016 ( = 4,544,635 carcasses). Mean USDA yield grade (YG) was 3.1 with 1.37 cm fat thickness (FT), 88.9 cm LM area, 393.6 kg HCW, and 2.1% KPH. Frequency distribution of USDA YG was 9...
July 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28727052/rapid-communication-subclinical-bovine-respiratory-disease-loci-and-pathogens-associated-with-lung-lesions-in-feedlot-cattle
#11
J N Kiser, T E Lawrence, M Neupane, C M Seabury, J F Taylor, J E Womack, H L Neibergs
Bovine respiratory disease (BRD) is an economically important disease of feedlot cattle that is caused by viral and bacterial pathogen members of the BRD complex. Many cases of subclinical BRD go untreated and are not detected until slaughter, when lung lesions are identified. The objectives of this study were to identify which BRD pathogens were associated with the presence of lung lesions at harvest and to identify genomic loci that were associated with susceptibility to lung lesions as defined by consolidation of the lung and/or the presence of fibrin tissue...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28727045/technical-note-characterization-of-lipid-constitution-in-fourier-transform-infrared-spectra-and-spectroscopic-discrimination-of-animal-derived-feedstuffs-from-different-species
#12
F Gao, L Han, Z Yang, L Xu, X Liu
The objective of the current work was to assess the capability of Fourier transform infrared (FT-IR) spectroscopy in combination with chemometric methods to discriminate animal-derived feedstuffs from different origins based on the lipid characteristics. A total of 82 lipid samples extracted from animal-derived feedstuffs, comprising porcine, poultry, bovine, ovine, and fish samples, were investigated by gas chromatography and FT-IR. The relationship between the lipid constitutions and the responding FT-IR spectral characteristics were explored...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726767/fat-taste-sensitivity-is-associated-with-short-term-and-habitual-fat-intake
#13
Andrew Costanzo, Liliana Orellana, Caryl Nowson, Konsta Duesing, Russell Keast
Evidence suggests individuals less sensitive to fat taste (high fat taste thresholds (FTT)) may be overweight or obese and consume greater amounts of dietary fat than more sensitive individuals. The aims of this study were to assess associations between FTT, anthropometric measurements, fat intake, and liking of fatty foods. FTT was assessed in 69 Australian females (mean age 41.3 (15.6) (SD) years and mean body mass index 26.3 (5.7) kg/m²) by a 3-alternate forced choice methodology and transformed to an ordinal scale (FT rank)...
July 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28726661/-heart-rate-variability-in-children-with-false-chords-in-the-left-cardiac-ventricular
#14
A Kuleshov
We examined 64 children with false tendons in the left cardiac ventricular. The research included evaluation of time and frequency domain parameters of the heart rhythm with cardiointervalography. The parameter changes were noted. Thus, sympathetic vegetative system (VS) part prevalence was present in boys and characterized by decreasing of SDNN when compared with control data (85,4±5,8 и 158,2 ±25,6, р<0,05). rMSSD and PNN50%, which are responsible for parasympathetic VS part have the tendency to increasing in girls...
June 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28726130/transmission-network-characteristics-based-on-env-and-gag-sequences-from-msm-during-acute-hiv-1-infection-in-beijing-china
#15
Zhimin Zhang, Lili Dai, Yan Jiang, Kaidi Feng, Lifeng Liu, Wei Xia, Fengjiao Yu, Jun Yao, Wenge Xing, Lijun Sun, Tong Zhang, Hao Wu, Bin Su, Maofeng Qiu
Molecular epidemiology can be used to identify human immunodeficiency virus (HIV) transmission clusters, usually using pol sequence for analysis. In the present study, we explored appropriate parameters to construct a simple network using HIV env and gag sequences instead of pol sequences for constructing a phylogenetic tree and a genetic transmission subnetwork, which were used to identify individuals with many potential transmission links and to explore the evolutionary dynamics of the virus among men who have sex with men (MSM) in Beijing...
July 19, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28725868/physico-mechanical-thermal-and-morphological-properties-of-furfuryl-alcohol-2-ethylhexyl-methacrylate-halloysite-nanoclay-wood-polymer-nanocomposites-wpncs
#16
Md Rezaur Rahman, Sinin Hamdan, Josephine Chang Hui Lai, Mohammad Jawaid, Fahmi Asyadi Bin Md Yusof
In this study, the physical, morphological, mechanical and thermal properties of furfuryl alcohol/2-ethylhexyl methacrylate/halloysite nanoclay wood polymer nanocomposites (FA-co-EHMA-HNC WPNCs) were investigated. FA-co-EHMA-HNC WPNCs were prepared via an impregnation method and the properties of the nanocomposites were characterized through the weight percent gain, Fourier transform infrared (FT-IR) spectroscopy, scanning electron microscopy (SEM), three-point flexural test, dynamic mechanical thermal analysis (DMTA), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) analysis and moisture absorption test...
July 2017: Heliyon
https://www.readbyqxmd.com/read/28724905/flowering-time-in-banana-musa-spp-a-day-neutral-plant-is-controlled-by-at-least-three-flowering-locus-t-homologues
#17
Akhilesh K Chaurasia, Hemant B Patil, Bal Krishna, V R Subramaniam, Prafullachandra V Sane, Aniruddha P Sane
Banana is an important day neutral food crop with a long flowering/fruiting cycle that is affected by hot summers or cold winters in different places. Manipulating its life cycle requires an understanding of its flowering time machinery to bypass these stresses. Twelve FLOWERING LOCUS T (FT) and two TWIN SISTER OF FT (TSF) members were isolated from banana and their organization and expression pattern studied during development in two varieties that differ in flowering time namely Grand Nain (AAA genotype) and Hill banana (AAB genotype)...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724099/use-of-%C3%AE-15-n-and-%C3%AE-18-o-values-for-nitrate-source-identification-under-irrigated-crops-a-cautionary-vadose-zone-tale
#18
Shawn E Loo, M Cathryn Ryan, Bernie J Zebarth, Shawn H Kuchta, Denise Neilsen, Bernhard Mayer
Source nitrogen (N) identification of leachate or groundwater nitrate is complicated by N source mixing and N and oxygen (O) isotope fractionation caused by microbial N transformations. This experiment examined the δN and δO values in leachate collected over 1 yr at 55 cm below raspberry ( L.) plots receiving either synthetic fertilizer (FT) or poultry manure (MT). The large ranges of δN (FT: -2.4 to +8.7‰, MT: +1.6 to +9.6‰) and δO (FT: -9.9 to -0.3‰, MT: -10.9 to +1.7‰) values in leachate collected under crop rows prohibited the reliable identification of the applied N sources on individual sampling dates...
May 2017: Journal of Environmental Quality
https://www.readbyqxmd.com/read/28722812/chemical-profile-of-pineapple-cv-vit%C3%A3-ria-in-different-maturation-stages-using-electrospray-ionization-mass-spectrometry
#19
Elizângela M Ogawa, Helber B Costa, José A Ventura, Luiz C S Caetano, Fernanda E Pinto, Bruno G Oliveira, Maria Eduarda S Barroso, Rodrigo Scherer, Denise C Endringer, Wanderson Romão
BACKGROUND: Pineapple is the fruit of Ananas comosus var. comosus plant, being cultivated in tropical areas and has high energy content and nutritional value. Herein, 30 samples of pineapple cv. Vitória were analyzed as a function of the maturation stage (0-5) and their physicochemical parameters monitored. Besides, negative-ion mode electrospray ionization mass spectrometry (ESI(-)FT-ICR MS) was used to identify and semi-quantify primary and secondary metabolites present in the crude and phenolic extracts of pineapple, respectively...
July 19, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28721671/front-end-electron-transfer-dissociation-coupled-to-a-21-tesla-ft-icr-mass-spectrometer-for-intact-protein-sequence-analysis
#20
Chad R Weisbrod, Nathan K Kaiser, John E P Syka, Lee Early, Christopher Mullen, Jean-Jacques Dunyach, A Michelle English, Lissa C Anderson, Greg T Blakney, Jeffrey Shabanowitz, Christopher L Hendrickson, Alan G Marshall, Donald F Hunt
High resolution mass spectrometry is a key technology for in-depth protein characterization. High-field Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) enables high-level interrogation of intact proteins in the most detail to date. However, an appropriate complement of fragmentation technologies must be paired with FTMS to provide comprehensive sequence coverage, as well as characterization of sequence variants, and post-translational modifications. Here we describe the integration of front-end electron transfer dissociation (FETD) with a custom-built 21 tesla FT-ICR mass spectrometer, which yields unprecedented sequence coverage for proteins ranging from 2...
July 18, 2017: Journal of the American Society for Mass Spectrometry
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