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https://www.readbyqxmd.com/read/29793189/effects-of-exposure-to-anti-vaping-public-service-announcements-among-current-smokers-and-dual-users-of-cigarettes-and-electronic-nicotine-delivery-systems
#1
Andy S L Tan, Vaughan W Rees, Justin Rodgers, Emeka Agudile, Natasha A Sokol, Kyeungyeun Yie, Ashley Sanders-Jackson
INTRODUCTION: Anti-vaping public service announcements (PSAs) are intended to discourage vaping or use of electronic nicotine delivery systems (ENDS). However, vaping portrayals in PSAs may have unintended effects if they increase smoking or vaping urges. This study examined benefits and unintended effects of anti-vaping PSAs with vapor portrayals on smoking and vaping-related outcomes. METHODS: Young adult smokers (N = 171) and dual users (N = 122) aged 21-30 years were randomly assigned to view: 1) anti-vaping PSAs with vapor; 2) anti-vaping PSAs without vapor; 3) physical activity PSAs; or 4) anti-smoking PSAs with smoking cues...
May 16, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29793173/ag-nanoparticles-loading-of-polypyrrole-coated-superwetting-mesh-for-on-demand-separation-of-oil-water-mixtures-and-catalytic-reduction-of-aromatic-dyes
#2
Sun Yihan, Liu Mingming, Zhiguang Guo
Herein, a catalytic mesh with unique wettability, high oil-water separation efficiency and excellent catalytic performance towards aromatic dyes was fabricated. Polypyrrole (PPy) was firstly pre-coated on pristine stainless-steel mesh (SSM) surface via cyclic voltammetry approach. Subsequently, a simple electrodeposition process was performed to prepare and anchor Ag nanoparticles (AgNPs) onto the PPy-coated SSM surface. The PPy-coated mesh with anchored AgNPs was denoted as PPy/AgNPs-coated SSM. The obtained PPy/AgNPs-coated SSM exhibited dual superlyophobic properties and were able to achieve on-demand separation to deal with various of light oil (ρoil  < ρwater ) and heavy oil (ρoil  > ρwater )-water mixtures...
May 19, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29793161/exposure-of-microcystis-aeruginosa-to-hydrogen-peroxide-and-titanium-dioxide-under-visible-light-conditions-modeling-the-impact-of-hydrogen-peroxide-and-hydroxyl-radical-on-cell-rupture-and-microcystin-degradation
#3
Che-Wei Chang, Xiangchen Huo, Tsair-Fuh Lin
The aims of this study are to evaluate, under visible light conditions, the ability of H2 O2 and TiO2 to produce OH, their quantitative impacts on the cell integrity of Microcystis, and the subsequent release and degradation of microcystins (MCs). A sequential reaction model was developed, including one sub-model to simulate the rupture kinetics for cell integrity of Microcystis, and another to describe the release and degradation of MCs. For cell rupture, the dual-oxidant Delayed Chick-Watson model (DCWM) and dual-oxidant Hom model (HM) were first proposed and developed, giving excellent simulation results of cell rupture kinetics...
May 14, 2018: Water Research
https://www.readbyqxmd.com/read/29793145/mechanistic-approach-to-study-conjugation-of-nanoparticles-for-biomedical-applications
#4
Imran Uddin
Interaction of nanoparticles with biological systems turns out to be vibrant for their efficient application in biomedical field. Here, we have shown antibiotic amakicin loaded nanoparticles are responsible for the dual role as reducing and stabilizing the silver nanoparticles without the use of any undesired chemicals. Synthesized nanoparticles are well-dispersed having quasi spherical morphology with an average particle size around 10-11 nm. Crystallinity of nanoparticles was measured using selected area electron diffraction (SAED) and powder XRD analysis which show that particles are perfectly crystalline with cubic phase of geometry...
May 16, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29792879/astragaloside-suppresses-apoptosis-of-the-podocytes-in-rats-with-diabetic-nephropathy-via-mir-378-traf5-signaling-pathway
#5
Xiao Lei, Bo-da Zhang, Ji-Gang Ren, Fang-Li Luo
AIMS: Apoptosis of podocytes plays a crucial role in diabetic nephropathy (DN) development, and astragaloside (AS-IV) has a significant impact on podocyte apoptosis. This study aims to explore the effect of AS-IV on diabetic nephropathy progression. MATERIALS AND METHODS: The diabetic nephropathy model was established in rats with streptozotocin (STZ) injection. The albuminuria was examined by using the enzyme linked immunosorbent assay (ELISA). The expression of miR-378, tumor-necrosis factor (TNF) receptor (TNFR)-associated factor 5 (TRAF5) mRNA and protein was analyzed by qRT-PCR and western blot, respectively...
May 21, 2018: Life Sciences
https://www.readbyqxmd.com/read/29792729/90-kvp-low-tube-voltage-ct-pulmonary-angiography-in-combination-with-advanced-modelled-iterative-reconstruction-algorithm-effects-on-radiation-dose-image-quality-and-diagnostic-accuracy-for-the-detection-of-pulmonary-embolism
#6
Doris Leithner, Tatjana Gruber-Rouh, Martin Beeres, Julian L Wichmann, Scherwin Mahmoudi, Simon S Martin, Lukas Lenga, Moritz H Albrecht, Christian Booz, Thomas J Vogl, Jan-Erik Scholtz
OBJECTIVE: To evaluate low-tube-voltage 90-kVp computed tomography pulmonary angiography (CTPA) with advanced modelled iterative reconstruction algorithm (Admire) compared to 120-kVp equivalent dual-energy acquisition with regards to radiation exposure, image quality, and diagnostic accuracy for pulmonary embolism (PE) assessment. METHODS: CTPA studies of 40 patients with suspected PE (56.7 ± 16.3 years) performed on a third-generation 192-slice dual-source CT scanner were retrospectively included...
May 24, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29792728/single-acquisition-triple-bolus-dual-energy-ct-protocol-for-comprehensive-evaluation-of-renal-masses-a-single-center-randomized-noninferiority-trial
#7
Dinesh Manoharan, Sanjay Sharma, Chandan J Das, Rajeev Kumar, Geetika Singh, Pratik Kumar
OBJECTIVE: The primary objective of this study was to compare triple-bolus dual-energy CT (DECT) against standard triple-phase MDCT in terms of appropriateness of patient treatment. SUBJECTS AND METHODS: One hundred twenty-four patients with suspected renal masses seen at ultrasound were randomized into triple-bolus DECT and triple-phase MDCT groups. Patients in the triple-bolus DECT group underwent synchronous corticomedullary nephrographic delayed-phase triple-bolus DECT...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792714/docking-screens-for-dual-inhibitors-of-disparate-drug-targets-for-parkinson-s-disease
#8
Mariama Jaiteh, Alexey Zeifman, Marcus Saarinen, Per Svenningsson, José M Brea, Maria Isabel Loza, Jens Carlsson
Modulation of multiple biological targets with a single drug can lead to synergistic therapeutic effects and has been demonstrated to be essential for efficient treatment of CNS disorders. However, rational design of compounds that interact with several targets is very challenging. Here, we demonstrate that structure-based virtual screening can guide the discovery of multi-target ligands of unrelated proteins relevant for Parkinson's disease. A library with 5.4 million molecules was docked to crystal structures of the A2A adenosine receptor (A2AAR) and monoamine oxidase B (MAO-B)...
May 24, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29792679/a-nanozyme-and-ambient-light-based-smartphone-platform-for-simultaneous-detection-of-dual-biomarkers-from-exposure-to-organophosphorus-pesticides
#9
Yuting Zhao, Mingming Yang, Qiangqiang Fu, Hui Ouyang, Wei Wen, Yang Song, Chengzhou Zhu, Yuehe Lin, Dan Du
A transparent, lateral-flow test strip coupled with a smartphone-based ambient light sensor was first proposed for detect-ing enzymatic inhibition and phosphorylation. The principle of the platform is based on the simultaneous measurement of the total amount of the enzyme and enzyme activity to biomonitor exposure to organophosphorus (OP) pesticides. In this study, butyrylcholinesterase (BChE) was adopted as the model enzyme and ethyl paraoxon was chosen as an analyte representing OP pesticides. The total amount of BChE was quantified by a sensitive colorimetric signal originating from a sandwich immunochromatographic assay utilizing PtPd nanoparticles as a polyphenol oxidase-mimicking probe, which provided a higher sensitivity than that of a peroxidase-like probe...
May 24, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29792496/the-big-two-personality-traits-and-adolescents-complete-mental-health-the-mediation-role-of-perceived-school-stress
#10
Lili Tian, Siyi Jiang, E Scott Huebner
Based on Greenspoon and Saklofske's (2001) dual-factor model of mental health, we defined adolescents' mental health as comprised of two distinguishable factors: positive and negative mental health. We tested the direct relations between the Eysenck's (1967) Big Two personality traits (Extraversion and Neuroticism) and positive and negative mental health, and explored the mediation effects of perceived school stress in accounting for the relations. Direct and indirect relations were estimated by using structural equation modeling with data from 1,009 Chinese adolescents in a 3-wave study...
May 24, 2018: School Psychology Quarterly
https://www.readbyqxmd.com/read/29792442/the-case-against-specialized-visual-spatial-short-term-memory
#11
Candice C Morey
The dominant paradigm for understanding working memory, or the combination of the perceptual, attentional, and mnemonic processes needed for thinking, subdivides short-term memory (STM) according to whether memoranda are encoded in aural-verbal or visual formats. This traditional dissociation has been supported by examples of neuropsychological patients who seem to selectively lack STM for either aural-verbal, visual, or spatial memoranda, and by experimental research using dual-task methods. Though this evidence is the foundation of assumptions of modular STM systems, the case it makes for a specialized visual STM system is surprisingly weak...
May 24, 2018: Psychological Bulletin
https://www.readbyqxmd.com/read/29792285/associations-between-trunk-postural-control-in-walking-and-unstable-sitting-at-various-levels-of-task-demand
#12
Julian C Acasio, Courtney M Butowicz, Pawel R Golyski, Maury A Nussbaum, Brad D Hendershot
Trunk postural control (TPC) has been investigated in several populations and tasks. Previous work observed targeted training of TPC via isolated trunk control tasks may improve performance in other activities (e.g., walking). However, the nature of this relationship remains unknown. We therefore investigated the relationship between TPC, at both the global (i.e., response to finite perturbations) and local (i.e., resistance to continuous perturbations) levels, during walking and unstable sitting, both at varying levels of task demand...
May 21, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29792279/can-intraoperative-measurement-of-bone-quality-help-in-decision-making-for-cementless-unicompartmental-knee-arthroplasty
#13
Johannes A Eckert, Sebastian Jaeger, Matthias C Klotz, Martin Schwarze, Rudi G Bitsch
BACKGROUND: In uncemented total hip arthroplasty (THA), low bone mineral density (BMD) is associated with aseptic loosening. BMD is usually assessed via dual-energy X-ray absorptiometry (DXA) or quantitative computed tomography, which takes time and exposes patients to radiation. Due to its low risk profile, intraoperative measurement of the trabecular stability might be a useful alternative to DXA. METHODS: In 24 human femora, BMD was analysed using DXA at the femoral necks and the knees...
May 20, 2018: Knee
https://www.readbyqxmd.com/read/29792155/design-synthesis-and-investigation-of-new-diphenyl-substituted-pyridazinone-derivatives-as-both-cholinesterase-and-a%C3%AE-aggregation-inhibitors
#14
Burcu Kilic, Merve Erdogan, Hayrettin O Gulcan, Fatma Aksakal, Nihan Oruklu, E Umit Bagriacik, Deniz S Dogruer
Backround: With respect to the increase in the average life expectancy, Alzheimer Disease (AD), the most common form of age-related dementia, has become a major threat to the population over the age of 65 during the past several decades. The majority of AD treatments are focused on cholinergic and amyloid hypotheses. OBJECTIVE: In this study, three series of diphenyl-2-(2-(4-substitutedpiperazin-1-yl)ethyl)pyridazin-3(2H)-one derivatives were designed, synthesized and investigated for their ability to inhibit both cholinesterase enzymes and amyloid-β aggregation...
May 23, 2018: Medicinal Chemistry
https://www.readbyqxmd.com/read/29792066/capabilities-of-next-generation-patch-pump-improved-precision-instant-occlusion-detection-and-dual-hormone-therapy
#15
Forrest W Payne, Bradley Ledden, Greg Lamps
Insulin pumps allow patients to attain better blood glucose control with more lifestyle flexibility. Their size and cost, however, limit their usefulness. Current CSII pumps are bulky, intrusive, and expensive. SFC Fluidics is addressing these problems by developing a new type of wearable patch pump based on the patented electro-chemiosmotic (ECO) microfluidic pumping technology. This nonmechanical pumping technology allows accurate and precise delivery of very small amounts of insulin and/or other drugs, including concentrated insulin...
May 1, 2018: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/29792030/on-the-role-of-counterions-in-molecularly-imprinted-polymers-for-anionic-species
#16
Sabine Wagner, Carlos Zapata, Wei Wan, Kornelia Gawlitza, Marcus Weber, Knut Rurack
Small-molecule oxoanions are often imprinted noncovalently as carboxylates into molecularly imprinted polymers (MIPs), requiring the use of an organic counterion. Popular species are either pentamethylpiperidine (PMP) as a protonatable cation or tetraalkylammonium (TXA) ions as permanent cations. The present work explores the influence of the TXA as a function of their alkyl chain length, from methyl to octyl, using UV/vis absorption, fluorescence titrations and HPLC, as well as MD simulations. Protected phenylalanines (Z-L/D-Phe) served as templates/analytes...
May 23, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29791976/a-cipk-protein-kinase-targets-sucrose-transporter-mdsut2-2-at-ser-254-for-phosphorylation-to-enhance-salt-tolerance
#17
Qi-Jun Ma, Mei-Hong Sun, Hui Kang, Jing Lu, Chun-Xiang You, Yu-Jin Hao
Soil salinity is one of the major abiotic stressors that negatively affect crop growth and yield. Salt stress can regulate antioxidants and the accumulation of osmoprotectants. In the study, a sucrose transporter MdSUT2.2 was identified in apple. Overexpression of MdSUT2.2 gene increased salt tolerance in the transgenic apple, compared with the WT control 'Gala'. In addition, it was found that protein MdSUT2.2 was phosphorylated at Ser254 site in response to salt. A DUAL membrane yeast hybridization system through an apple cDNA library demonstrated that a protein kinase MdCIPK13 interacted with MdSUT2...
May 23, 2018: Plant, Cell & Environment
https://www.readbyqxmd.com/read/29791798/non-natural-linker-configuration-in-2-6-dipeptidyl-anthraquinones-enhances-the-inhibition-of-tar-rna-binding-annealing-activities-by-hiv-1-nc-and-tat-proteins
#18
Alice Sosic, Irene Saccone, Caterina Carraro, Thomas Kenderdine, Elia Gamba, Giuseppe Caliendo, Angela Corvino, Ferdinando Fiorino, Paola DiVaio, Elisa Magli, Elisa Perissutti, Vincenzo Santagada, Beatrice Severino, Valentina Spada, Daniele Fabris, Francesco Frecentese, Barbara Gatto
The HIV-1 nucleocapsid (NC) protein represents an excellent molecular target for the development of antiretrovirals by virtue of its well-characterized chaperone activities, which play pivotal roles in essential steps of the viral life cycle. Our ongoing search for candidates able to impair NC binding/annealing activities led to the identification of peptidyl-anthraquinones as a promising class of nucleic acid ligands. Seeking to elucidate the inhibition determinants and increase the potency of this class of compounds, we have now explored the effects of chirality in the linker connecting the planar nucleus to the basic side chains...
May 23, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29791781/a-dual-role-of-mir-22-in-rhabdomyolysis-induced-acute-kidney-injury-aki
#19
Susanne Mathia, Lucas J Rudigier, Mumtaz Kasim, Karin M Kirschner, Pontus B Persson, Kai-Uwe Eckardt, Christian Rosenberger, Michael Fähling
AIM: In acute kidney injury (AKI) regions of the kidney are hypoxic. However, for reasons yet unknown, adaptation to hypoxia through hypoxia inducible factor (HIF) is limited. Here we studied miR-22, a potential HIF repressor, in normal kidneys, as well as in rhabdomyolysis-induced AKI, a condition where miR-22 is up-regulated. METHODS: AKI in mice was provoked by IM injection of glycerol. Tissue homogenates were processed to determine the levels of candidate RNAs and proteins, as well as global gene expression profiles...
May 23, 2018: Acta Physiologica
https://www.readbyqxmd.com/read/29791590/lncrna-ccat1-promotes-cell-proliferation-migration-and-invasion-by-down-regulation-of-mir-143-in-ftc-133-thyroid-carcinoma-cell-line
#20
Tianzheng Yang, Hongyan Zhai, Ruihong Yan, Zhenhu Zhou, Lei Gao, Luqing Wang
Thyroid cancer is a common malignant tumor. Long non-coding RNA colon cancer-associated transcript 1 (lncRNA CCAT1) is highly expressed in many cancers; however, the molecular mechanism of CCAT1 in thyroid cancer remains unclear. Hence, this study aimed to investigate the effect of CCAT1 on human thyroid cancer cell line FTC-133. FTC-133 cells were transfected with CCAT1 expressing vector, CCAT1 shRNA, miR-143 mimic, and miR-143 inhibitor, respectively. After different treatments, cell viability, proliferation, migration, invasion, and apoptosis were measured...
2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
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