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https://www.readbyqxmd.com/read/29778070/high-intensity-binge-drinking-is-associated-with-alterations-in-spontaneous-neural-oscillations-in-young-adults
#1
Rifqi O Affan, Siyuan Huang, Stephen M Cruz, Lee A Holcomb, Edward Nguyen, Ksenija Marinkovic
Heavy episodic alcohol consumption (also termed binge drinking) contributes to a wide range of health and cognitive deficits, but the associated brain-based indices are poorly understood. The current study used electroencephalography (EEG) to examine spontaneous neural oscillations in young adults as a function of quantity, frequency, and the pattern of their alcohol consumption. Sixty-one young adults (23.4 ± 3.4 years of age) were assigned to binge drinking (BD) and light drinking (LD) groups that were equated on gender, race/ethnic identity, age, educational background, and family history of alcoholism...
January 8, 2018: Alcohol
https://www.readbyqxmd.com/read/29778057/dynamic-study-of-cr-vi-removal-performance-and-mechanism-from-water-using-multilayer-material-coated-nanoscale-zerovalent-iron
#2
Bin Wu, Dinghua Peng, Siyu Hou, Bicong Tang, Can Wang, Heng Xu
In this study, the dynamic Cr(VI) removal process from water by the synthesized multilayer material coated nanoscale zerovalent iron (SBC-nZVI) was systematically discussed at different treatment conditions. The results showed that initial pH, contact time, Cr(VI) concentration and the dosage of SBC-nZVI were important parameters that influenced the Cr(VI) removal efficiency. The major Cr(VI) removal occurred within 60 min and gradually tend to equilibrium with consistent treatment. The removal efficiency was highly depended on pH values and the adsorption kinetics agreed well with the pseduo-second-order model (PSO)...
May 16, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29778026/impacts-of-initial-temperature-and-cylindrical-obstacles-on-the-dispersing-flammable-limits-of-accidental-methane-releases-in-an-lng-bunkering-terminal
#3
Byung Chul Choi, Kweon-Ha Park, Deog-Hee Doh
This paper presents a numerical study on the dispersing flammable limits with respect to the initial methane releases at TCH4,0  = -50 and -150 °C in the crosswind of ambient air according to the arrangement of (a) No Tank, (b) Tank I, (c) Tank II, and (d) Tank I and II on the ground. To provide a better physical insight on the dispersion behaviors of the methane releases, the spatial distributions of the quasi-averaged methane concentration and flow fields were mainly analyzed using 3-D large eddy simulations...
May 16, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29778009/exploring-opioid-use-disorder-its-impact-and-treatment-among-individuals-experiencing-homelessness-as-part-of-a-family
#4
Avik Chatterjee, Eun Jin Yu, Lindsay Tishberg
BACKGROUND: Opioid Use Disorder (OUD) causes significant morbidity and mortality among people experiencing homelessness. We aimed to explore the unique way in which OUD impacts individuals experiencing homelessness as part of a family. METHODS: We conducted semi-structured interviews with adults experiencing OUD staying in Boston-area family shelters along with dependent children. We used Borkan's Immersion-Crystallization method to uncover themes from interview transcripts...
May 12, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29778000/anxiety-moderates-the-effects-of-stressor-controllability-and-cognitive-reappraisal-on-distress-following-aversive-exposure-an-experimental-investigation
#5
Lillian Le, Michelle Moulds, Angela Nickerson
BACKGROUND AND OBJECTIVES: Emerging evidence suggests that the effectiveness of cognitive reappraisal (CR) depends on different factors, including the individual's psychological wellbeing (e.g., level of anxiety) and the context in which the strategy is used (e.g., stressor controllability). The present study aimed to investigate the emotional (negative affect) and physiological (skin conductance levels) effects of emotion regulation following exposure to controllable versus uncontrollable stress...
May 8, 2018: Journal of Behavior Therapy and Experimental Psychiatry
https://www.readbyqxmd.com/read/29777999/targeted-delivery-of-cd44s-sirna-by-scfv-overcomes-de-novo-resistance-to-cetuximab-in-triple-negative-breast-cancer
#6
Wenyan Fu, Hefen Sun, Yang Zhao, Mengting Chen, Lipeng Yang, Xueli Yang, Wei Jin
The overexpression of EGFR often occurs in TNBC, and the anti-EGFR receptor antibody cetuximab is used widely to treat metastatic cancer in the clinic. However, EGFR-targeted therapies have been developed for TNBC without clinical success. In this study, we show that impaired EGFR degradation is crucial for resistance to cetuximab, which depends on the cell surface molecule CD44. To further investigate the role of CD44 in EGFR signaling and its treatment potential, we developed a targeting fusion protein composed of an anti-EGFR scFv generated from cetuximab and truncated protamine, called Ce-tP...
May 16, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29777989/synthesis-antiproliferative-activity-and-mechanism-of-gallium-iii-thiosemicarbazone-complexes-as-potential-anti-breast-cancer-agents
#7
Jinxu Qi, Qian Yao, Kun Qian, Liang Tian, Zhen Cheng, Dongmei Yang, Yihong Wang
Five thiosemicarbazone ligands were synthesized and characterized by condensation with different aldehydes or ketones by 4-phenylthiosemicarbazone. The representative dichlorido[2-(Di-2-pyridinylmethylene)-Nphenylhydrazinecarbothioamide-N,N,S]-gallium(III) (Ga4) was characterized by X-ray single crystal diffraction, which was 1:1 ligand/Ga(III) complexes. The structure-activity relationship of these ligands and Ga (III) complexes have been investigated, and the results demonstrate that the formation of Ga (III) complexes have significant antiproliferative activity over the corresponding ligands...
May 14, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29777986/predicting-of-the-refractive-index-of-haemoglobin-using-the-hybrid-ga-svr-approach
#8
Tajudeen A Oyehan, Ibrahim O Alade, Aliyu Bagudu, Kazeem O Sulaiman, Sunday O Olatunji, Tawfik A Saleh
The optical properties of blood play crucial roles in medical diagnostics and treatment, and in the design of new medical devices. Haemoglobin is a vital constituent of the blood whose optical properties affect all of the optical properties of human blood. The refractive index of haemoglobin has been reported to strongly depend on its concentration which is a function of the physiology of biological cells. This makes the refractive index of haemoglobin an essential non-invasive bio-marker of diseases. Unfortunately, the complexity of blood tissue makes it challenging to experimentally measure the refractive index of haemoglobin...
April 30, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29777981/bare-footprint-metric-analysis-methods-for-comparison-and-identification-in-forensic-examinations-a-review-of-literature
#9
REVIEW
Richa Mukhra, Kewal Krishan, Tanuj Kanchan
Footprint is one of the most common types of physical evidence recovered at a crime scene. The forensic footprint evidence may play an important role in establishing the identity of a person; therefore, its examination is of prime importance. A link may be established by observing and comparing the morphological features of footprints with the perpetrator. These barefoot prints may be present as a two-dimensional print or a three-dimensional imprint depending on the substrate upon which they have been impressed upon and accordingly different methods and techniques are implemented in order to identify the questioned prints...
May 9, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29777980/trunk-postural-adjustments-medium-term-reliability-and-correlation-with-changes-of-clinical-outcomes-following-an-8-week-lumbar-stabilization-exercise-program
#10
Jean-Alexandre Boucher, Richard Preuss, Sharon M Henry, Marilee Nugent, Christian Larivière
BACKGROUND: Low back pain (LBP) has been previously associated with delayed anticipatory postural adjustments (APAs) determined by trunk muscle activation. Lumbar stabilization exercise programs (LSEP) for patients with LBP may restore the trunk neuromuscular control of the lumbar spine, and normalize APAs. This exploratory study aimed at testing the reliability of EMG and kinematics-based postural adjustment measures over an 8-week interval, assessing their sensitivity to LBP status and treatment and examining their relationship with clinical outcomes...
April 22, 2018: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/29777931/the-order-of-multiple-excited-state-proton-transfer-in-ternary-complex-of-norharmane-and-acetic-acids
#11
Yan-Zhen Ma, Yun-Fan Yang, Wei Shi, Yu-Zhi Song, Yong-Qing Li
Dolores Reyman et al. found the norharmane (9H-pyrido [3,4-b] indole) (NHM) and two acetic acid molecules can form the ternary complex (NHM-2A) in component solvent of dichloromethane and acetic acid via the hydrogen bond chain (J. Lumin. 2014, 148, 64). But the specific reaction details during this process were rarely reported. In this study, we will give an insight into the reasons which promote the occurrence of this reaction as well as its reaction order. The hydrogen bond enhancing behavior in first excited state (S1 ) is verified through the analysis of geometric configurations, infrared spectra, frontier molecular orbitals and potential energy curves...
May 9, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29777905/coupling-of-the-polyamine-and-iron-metabolism-pathways-in-the-regulation-of-proliferation-mechanistic-links-to-alterations-in-key-polyamine-biosynthetic-and-catabolic-enzymes
#12
Darius J R Lane, Dong-Hun Bae, Aritee R Siafakas, Yohan Suryo Rahmanto, Lina Al-Akra, Patric J Jansson, Robert A Casero, Des R Richardson
Many biological processes result from the coupling of metabolic pathways. Considering this, proliferation depends on adequate iron and polyamines, and although iron-depletion impairs proliferation, the metabolic link between iron and polyamine metabolism has never been thoroughly investigated. This is important to decipher, as many disease states demonstrate co-dysregulation of iron and polyamine metabolism. Herein, for the first time, we demonstrate that cellular iron levels robustly regulate 13 polyamine pathway proteins...
May 16, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29777903/sox9-is-increased-in-arterial-plaque-and-stenosis-associated-with-synthetic-phenotype-of-vascular-smooth-muscle-cells-and-causes-alterations-in-extracellular-matrix-and-calcification
#13
Antje Augstein, Johannes Mierke, David M Poitz, Ruth H Strasser
Vascular smooth muscle cells (VSMC) exhibit a dual role in progression and maintenance of arteriosclerosis. They are fundamental for plaque stability but also can drive plaque progression. During pathogenic vascular remodeling, VSMC transdifferentiate into a phenotype with enhanced proliferation and migration. Moreover, they exert an increased capacity to generate extracellular matrix proteins. A special lineage of transdifferentiated VSMC expresses Sox9, a multi-functional transcription factor. The aim of the study was to examine the role of Sox9 in phenotypic alterations leading to arteriosclerosis...
May 16, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29777872/inventory-of-proteoforms-as-a-current-challenge-of-proteomics-some-technical-aspects
#14
Stanislav Naryzhny
The main intricacy in the human proteome is that it is tremendously complex and composed from diverse and heterogeneous gene products. These products are called protein species or proteoforms and are the smallest units of the proteome. In pursuit of the comprehensive profiling of the human proteome, significant advances in the technology of so called "Top-Down" mass spectrometry based proteomics, have been made. However, the scale of performance of this approach is still far behind the "Bottom-Up", peptide-centric techniques...
May 16, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29777869/subconjunctival-dendrimer-drug-therapy-for-the-treatment-of-dry-eye-in-rabbits-with-induced-autoimmune-dacryoadenitis
#15
Hui Lin, Ying Liu, Siva P Kambhampati, Chih-Chien Hsu, Rangaramanujam M Kannan, Samuel C Yiu
PURPOSE: To investigate the efficacy of a single subconjunctival injection of dendrimer-dexamethasone to treat dry eye in a rabbit model of induced autoimmune dacryoadenitis (AID). METHOD: Dendrimer biodistribution after subconjuntival injection in AID animals was evaluated using Cy5-labelled dendrimer (D-Cy5) and confocal microscopy. Diseased animals were treated with free dexamethasone (Free-Dex), dendrimer-dexamethasone (D-Dex), or saline via a single subconjunctival injection...
May 16, 2018: Ocular Surface
https://www.readbyqxmd.com/read/29777866/considerations-of-multiple-imputation-approaches-for-handling-missing-data-in-clinical-trials
#16
Hui Quan, Li Qi, Xiaodong Luo, Loic Darchy
Missing data exist in all clinical trials and missing data issue is a very serious issue in terms of the interpretability of the trial results. There is no universally applicable solution for all missing data problems. Methods used for handling missing data issue depend on the circumstances particularly the assumptions on missing data mechanisms. In recent years, if the missing at random mechanism cannot be assumed, conservative approaches such as the control-based and returning to baseline multiple imputation approaches are applied for dealing with the missing data issues...
May 16, 2018: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29777847/cardiopulmonary-exercise-testing-limitation-in-peripheral-arterial-disease
#17
Zulfiqar Qutrio Baloch, Shabber Agha Abbas, Luke Marone, Abbas Ali
OBJECTIVE: PAD is associated with a markedly increased risk of cardiovascular mortality and remains under-recognized and under-treated. New screening approaches are needed to prevent disability in patients with PAD. METHODS: We performed a retrospective analysis of clinically stable cardiovascular patients who were referred for cardiopulmonary exercise testing (CPET) due to a variety of cardiovascular complaints. Amongst patients who prematurely terminated CPET, their available angiograms were assessed...
May 16, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29777834/erwinia-amylovora-phage-vb_eamm_y3-represents-another-lineage-of-hairy-myoviridae
#18
Colin Buttimer, Yannick Born, Alan Lucid, Martin J Loessner, Lars Fieseler, Aidan Coffey
To date, a small number of jumbo myoviruses have been reported to possess atypical whisker-like structures along the surface of their contractile tails. Erwinia amylovora phage vB_EamM_Y3 is another example. It possesses a genome of 261,365 kbp with 333 predicted ORFs. Using a combination of BLASTP, Interproscan and HHpred, about 21% of its putative proteins could be assigned functions involved in nucleotide metabolism, DNA replication, virion structure and cell wall degradation. The phage was found to have a signal-arrest-release (SAR) endolysin (Y3_301) possessing a soluble lytic transglycosylase domain...
May 16, 2018: Research in Microbiology
https://www.readbyqxmd.com/read/29777828/mutual-connectivity-analysis-of-resting-state-functional-mri-data-with-local-models
#19
Adora M DSouza, Anas Z Abidin, Udaysankar Chockanathan, Giovanni Schifitto, Axel Wismüller
Functional connectivity analysis of functional MRI (fMRI) can represent brain networks and reveal insights into interactions amongst different brain regions. However, most connectivity analysis approaches adopted in practice are linear and non-directional. In this paper, we demonstrate the advantage of a data-driven, directed connectivity analysis approach called Mutual Connectivity Analysis using Local Models (MCA-LM) that approximates connectivity by modeling nonlinear dependencies of signal interaction, over more conventionally used approaches, such as Pearson's and partial correlation, Patel's conditional dependence measures, etcetera...
May 16, 2018: NeuroImage
https://www.readbyqxmd.com/read/29777827/is-reward-prediction-error-encoding-reliable-during-development
#20
Hanna Keren, Gang Chen, Brenda Benson, Monique Ernst, Ellen Leibenluft, Nathan A Fox, Daniel S Pine, Argyris Stringaris
Reward Prediction Errors (RPEs), defined as the difference between the expected and received outcomes, are integral to reinforcement learning models and play an important role in development and psychopathology. In humans, RPE encoding can be estimated using fMRI recordings, however, a basic measurement property of RPE signals, their test-retest reliability across different time scales, remains an open question. In this paper, we examine the 3-month and 3-year reliability of RPE encoding in youth (mean age at baseline = 10...
May 16, 2018: NeuroImage
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