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https://www.readbyqxmd.com/read/29223054/optimizing-adsorption-of-blue-pigment-from-wastewater-by-nano-porous-modified-na-bentonite-using-spectrophotometry-based-on-response-surface-method
#1
Neshat Moradi, Shiva Salem, Amin Salem
This work highlighted the effective activation of bentonite paste to produce nano-porous powder for removal of cationic dye from wastewater. The effects of activation parameters such as soda and moisture contents, ageing time and temperature were analyzed using response surface methodology (RSM). The significance of independent variables and their interactions were tested by blending the obtained powders with wastewater and then the adsorption was evaluated, spectrophotometrically. The experiments were carried out by preparation of pastes according to response surface methodology and central composite design, which is the standard method, was used to evaluate the effects and interactions of four factors on the treatment efficiency...
December 5, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29222898/exercise-induced-dehydration-status-and-skinfold-compressibility-in-athletes-an-intervention-study
#2
Daniela Araújo, Vitor Hugo Teixeira, Pedro Carvalho, Teresa F Amaral
BACKGROUND AND OBJECTIVES: Skinfold thickness assessment is a widely recognized technique for the estimation of body adiposity and fat free mass. This method assumes that skinfolds' compressibility is constant but there are some factors that could influence its compressibility. This study aims to evaluate whether the skinfolds' compressibility is influenced by hydration status. METHODS AND STUDY DESIGN: An intervention study was conducted in a sample of 22 adult male amateur soccer players, who took part in a 90min simulated soccer match...
2018: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29222811/association-of-hla-dqb1-03-03-with-pityriasis-rosea-in-chinese-patients
#3
L-Y Fu, C-C Xu, X-D Zheng, G Chen, J Zhu, P-G Wang
BACKGROUND: The association of human leucocyte antigen (HLA) with a variety of diseases has been described, especially with various autoimmune diseases. However, there are few studies on the association between HLA and pityriasis rosea (PR). AIM: To investigate the relevance of HLA II alleles with the development of PR. METHODS: Typing for HLA-DRB1, HLA-DQA1 and HLA-DQB1 typing was performed in 55 patients with PR and 90 healthy controls (HCs), using sequence-based typing (SBT) and PCR with sequence-specific primers (PCR-SSP), respectively...
December 8, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29222507/induced-unconventional-superconductivity-on-the-surface-states-of-bi2te3-topological-insulator
#4
Sophie Charpentier, Luca Galletti, Gunta Kunakova, Riccardo Arpaia, Yuxin Song, Reza Baghdadi, Shu Min Wang, Alexei Kalaboukhov, Eva Olsson, Francesco Tafuri, Dmitry Golubev, Jacob Linder, Thilo Bauch, Floriana Lombardi
Topological superconductivity is central to a variety of novel phenomena involving the interplay between topologically ordered phases and broken-symmetry states. The key ingredient is an unconventional order parameter, with an orbital component containing a chiral p x  + ip y wave term. Here we present phase-sensitive measurements, based on the quantum interference in nanoscale Josephson junctions, realized by using Bi2Te3 topological insulator. We demonstrate that the induced superconductivity is unconventional and consistent with a sign-changing order parameter, such as a chiral p x  + ip y component...
December 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/29222262/pediatric-leukemia-susceptibility-disorders-manifestations-and-management
#5
REVIEW
Lisa J McReynolds, Sharon A Savage
The clinical manifestations of inherited susceptibility to leukemia encompass a wide phenotypic range, including patients with certain congenital anomalies or early-onset myelodysplastic syndrome (MDS) and some with no obvious medical problems until they develop leukemia. Leukemia susceptibility syndromes occur as a result of autosomal dominant, autosomal recessive, or X-linked recessive inheritance, or de novo occurrence, of germline pathogenic variants in DNA repair, ribosome biogenesis, telomere biology, hematopoietic transcription factors, tumor suppressors, and other critical cellular processes...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222028/sodium-butyrate-enhanced-physical-barrier-function-referring-to-nrf2-jnk-and-mlck-signaling-pathways-in-the-intestine-of-young-grass-carp-ctenopharyngodon-idella
#6
Pei Wu, Li Tian, Xiao-Qiu Zhou, Wei-Dan Jiang, Yang Liu, Jun Jiang, Fei Xie, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Juan Yang, Yong-An Zhang, He-Qun Shi, Lin Feng
This study evaluated the effect of dietary sodium butyrate (SB) supplementation on the intestinal physical barrier function of young grass carp (Ctenopharyngodon idella). The fish were fed one powdery sodium butyrate (PSB) diet (1000.0 mg kg-1 diet) and five graded levels of microencapsulated sodium butyrate (MSB) diets: 0.0 (control), 500.0, 1000.0, 1500.0 and 2000.0 mg kg-1 diet for 60 days. Subsequently, a challenge test was conducted by injection of Aeromonas hydrophila to explore the effect of SB supplementation on intestinal physical barrier function and the potential mechanisms in fish...
December 5, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29221978/influence-of-6-hydroxyethyl-starch-130-0-4-versus-crystalloid-solution-on-structural-renal-damage-markers-after-coronary-artery-bypass-grafting-a-post-hoc-subgroup-analysis-of-a-prospective-trial
#7
Thomas Datzmann, Markus Hoenicka, Helmut Reinelt, Andreas Liebold, Hagen Gorki
OBJECTIVE: The restriction of hydroxyethyl starch (HES) has mandated changes in volume management based on data of critically ill patients. Reliable data of structural renal damage after HES treatment in cardiac surgical patients are lacking. The influence of 6% HES 130/0.4 was investigated in this study. DESIGN: An exploratory post hoc subgroup analysis of a prospective trial was performed. SETTING: The study was carried out at a university hospital...
May 25, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29220720/induction-of-thymic-stromal-lymphopoietin-by-a-steroid-alkaloid-derivative-in-mouse-keratinocytes
#8
Yan Weng, Natsumi Mizuno, Jiangxu Dong, Ryosuke Segawa, Takayuki Yonezawa, Byung Yoon Cha, Je-Tae Woo, Takahiro Moriya, Masahiro Hiratsuka, Noriyasu Hirasawa
Thymic stromal lymphopoietin (TSLP) plays critical roles in inducing and exacerbating allergic diseases. Chemical compounds that induce TSLP production can enhance sensitization to antigens and exacerbate allergic inflammation. Hence, identifying such chemicals will be important to prevent an increase in allergic diseases. In the present study, we found, for the first time, that a steroid alkaloid derivative, code no. 02F04, concentration and time dependently induced mRNA expression and production of TSLP in a mouse keratinocyte cell line, PAM212...
December 5, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29220710/life-satisfaction-and-its-associated-factors-among-money-boys-in-china
#9
A Zhang, J Yan, G Yang, X Tan, X Wang, S Tan
OBJECTIVES: Money Boy (MB) is a unique term used in China referring to a specialized population of men who sell sex to other men. Life satisfaction can influence one's health-related behaviors. The aim of our study was to find out the situation of MBs' life satisfaction and its associated factors. STUDY DESIGN: A cross-sectional study among MBs was conducted between July and December 2013 in Hunan province, China. METHODS: Respondent-driven sampling method was used for recruitment, with the initial seven 'seeds' found from a gay dating website, and 234 participants were enrolled into the study...
December 5, 2017: Public Health
https://www.readbyqxmd.com/read/29220687/development-of-a-novel-functional-core-shell-shell-nanoparticles-from-design-to-anti-bacterial-applications
#10
Nabil Bouazizi, Radhouane Bargougui, Pascal Thebault, Thomas Clamens, Florie Desriac, Flavia Fioresi, Guy Ladam, Sandrine Morin-Grognet, Nadine Mofaddel, Olivier Lesouhaitier, Franck Le Derf, Julien Vieillard
This article reports the synthesis and functionalization of a novel CuO@SiO2-APTES@Ag0 core-shell-shell material using a simple and low-cost process. The growth, design strategies and synthesis approach are the key factors for the development of CuO@SiO2-APTES@Ag0 as efficient material with enhanced antibacterial activity. We investigated the morphology, surface charge, structure and stability of our new core-shell-shell by atomic force microscopy, scanning electron microscopy, energy dispersive X-ray, Fourier transform infrared and UV-visible spectroscopies, zeta potential measurements, and differential scanning calorimetry...
December 2, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29220092/dose-rectification-of-an-unbalance-between-dpp4-and-glp-1-ameliorates-chronic-stress-related-vascular-aging-and-atherosclerosis
#11
Xian Wu Cheng, Megumi Narisawa, Enze Jin, Chenglin Yu, Wenhu Xu, Limei Piao
Exposure to psychosocial stress is a risk factor for cardiovascular disease, including vascular aging and regeneration. Dipeptidyl peptidase-4 (DPP-4) exerts many physiological and pharmacological functions by regulating its extremely abundant substrates [e.g., glucagon-like peptide-1 (GLP-1), stromal cell-derived factor-1α/ C-X-C chemokine receptor type-4, etc.]. Over the past decade, emerging data revealed unexpected roles for DPP-4 and GLP-1 in intracellular signaling, oxidative stress production, lipid metabolism, cell apoptosis, immune activation, insulin resistance, and inflammation...
December 8, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29220073/collective-effects-of-common-snps-and-genetic-risk-prediction-in-type-1-diabetes
#12
Y Gui, X Lei, S Huang
Type 1 diabetes (T1D) is a common autoimmune disease and may be related to multiple genetic and environmental risk factors. Previous genetic studies have focused on looking for individual polymorphic risk variants. Here we studied the overall levels of genetic diversity in T1D patients by making use of a previously published study including 1,865 cases and 2,828 reference samples with genotyping data for 500K common single nucleotide polymorphisms (SNPs). We determined the minor allele status of each SNP in the reference samples and calculated the total number of minor alleles or minor allele contents (MAC) of each individual...
December 8, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/29220045/molecular-dynamics-studies-of-irradiation-effects-on-hydrogen-isotope-diffusion-through-nickel-crystals-and-grain-boundaries
#13
X W Zhou, R Dingreville, R A Karnesky
Experiments indicated that tritium permeation in 316 austenitic stainless steel is enhanced by a factor of ∼2-5 after irradiation as compared to the ex-reactor results. To understand this enhancement, we have performed extensive molecular dynamics simulations to study the effects of both the grain boundary structure (Σ3{111}, Σ5{100} and Σ11{311}) and the nature of point defects (vacancy, interstitial, and Frenkel pair) on hydrogen diffusivities in an exemplar fcc metal (nickel). By deriving diffusivities from mean square displacement, all possible atomic jump paths encountered during real diffusion are realistically sampled...
December 8, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29219858/the-precision-of-ecap-thresholds-derived-from-amplitude-growth-functions
#14
Jan Dirk Biesheuvel, Jeroen J Briaire, Johan H M Frijns
OBJECTIVE: An amplitude growth function (AGF) shows the amplitude of an electrically evoked compound action potential (eCAP) as a function of the stimulation current. AGFs can be used to derive the eCAP threshold, which represents the minimum amount of current needed to elicit a measurable eCAP. eCAP thresholds have been widely used clinically to, for example, assist with sound processor programming. However, no eCAP precision has been included to date. The aim of this study was to investigate the precision of eCAP thresholds and determine whether they are precise enough for clinical use...
December 6, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/29219065/transactivation-assays-that-identify-indirect-and-direct-activators-of-human-pregnane-x-receptor-pxr-nr1i2-and-constitutive-androstane-receptor-car-nr1i3
#15
Marija Pinne, Elsa Ponce, Judy L Raucy
BACKGROUND: Nuclear receptors (NRs), including PXR and CAR, are presumed to be ligand-dependent transcription factors, but ligand binding is not an absolute requirement for activation. Indeed, many compounds activate PXR and CAR by indirect mechanisms. Detecting these indirect activators of specific nuclear receptors in vitro has been difficult. As NR activation of either or both PXR and CAR can lead to drug-drug interactions and adverse drug effects, false negatives obtained with screening tools incapable of detecting indirect activators could present liabilities...
December 6, 2017: Drug Metabolism Letters
https://www.readbyqxmd.com/read/29218730/monte-carlo-study-of-ionization-chamber-magnetic-field-correction-factors-as-a-function-of-angle-and-beam-quality
#16
Victor N Malkov, David W O Rogers
PURPOSE: To use EGSnrc Monte Carlo simulations for magnetic field dosimetry to determine optimal measurement orientations, calculate beam quality conversion factors for 32 cylindrical and three parallel-plate (PP) ion chambers, evaluate the beam quality and angular dependence of these factors, and examine the magnetic field effects on %dd(10)x and TPR1020 METHODS: Beam quality conversion factors,kQmag, and magnetic field conversion factors, kB=kQmag/kQ , are calculated as a function of chamber rotation for six cylindrical ionization chamber and either a 60 Co beam with a 0...
December 7, 2017: Medical Physics
https://www.readbyqxmd.com/read/29218550/small-angle-scattering-historical-perspective-and-future-outlook
#17
Thomas M Weiss
Small angle scattering (SAS) is a powerful and versatile tool to elucidate the structure of matter at the nanometer scale. Recently, the technique has seen a tremendous growth of applications in the field of structural molecular biology. Its origins however date back to almost a century ago and even though the methods potential for studying biological macromolecules was realized already early on, it was only during the last two decades that SAS gradually became a major experimental technique for the structural biologist...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29218243/elevated-hbxip-expression-is-associated-with-aggressive-phenotype-and-poor-prognosis-in-esophageal-squamous-cell-carcinoma
#18
Honggang Xia, Lan Ma, Jing Li, Hongyu Bai, Dongbin Wang
The oncoprotein hepatitis B virus X-interacting protein (HBXIP) has been suggested to play an essential role in several malignancies. However, the clinicopathological significance and prognostic value of HBXIP expression in esophageal squamous cell carcinoma (ESCC) is still unknown. Therefore the aim of this study was to characterize HBXIP expression and its prognostic value in ESCC. Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot were performed to assess the mRNA and protein expression of HBXIP in ESCC tissues and cell lines...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29217953/assessment-of-pediatrics-radiation-dose-from-routine-x-ray-examination-at-jimma-university-hospital-southwest-ethiopia
#19
Mesfin Zewdu, Elias Kadir, Melkamu Berhane
Background: Given the fact that children are more sensitive to ionizing radiation than adults, with an increased risk of developing radiation-induced cancer, special care should be taken when they undergo X-ray examinations. The main aim of the current study was to determine Entrance Surface Dose (ESD) to pediatric patients arising from routine x-ray examination in the Radiology Department of Jimma University Specialized Hospital (JUSH). Methods: Descriptive cross-sectional study was conducted on pediatric patients less than 15 years of age who visited to seek x-ray examinations in JUSH...
September 2017: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/29217772/the-intracellular-immune-receptor-rx1-regulates-the-dna-binding-activity-of-a-golden2-like-transcription-factor
#20
Philip D Townsend, Christopher H Dixon, Erik J Slootweg, Octavina Ca Sukarta, Ally Wh Yang, Timothy R Hughes, Gary J Sharples, Lars-Olof Palsson, Frank L W Takken, Aska Goverse, Martin J Cann
Plant NLR proteins enable the immune system to recognise and respond to pathogen attack. An early consequence of immune activation is transcriptional reprogramming and some NLRs have been shown to act in the nucleus and interact with transcription factors. The Rx1 NLR protein of potato is further able to bind and distort double-stranded DNA. However, Rx1 host targets that support a role for Rx1 in transcriptional reprogramming at DNA are unknown. Here we report a functional interaction between Rx1 and NbGlk1, a Golden2- like transcription factor...
December 7, 2017: Journal of Biological Chemistry
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