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https://www.readbyqxmd.com/read/28931933/buckling-structured-stretchable-pseudocapacitor-yarn
#1
Duck Weon Lee, Jung Han Lee, Nam Ki Min, Joon-Hyung Jin
Cable-type stretchable electrochemical pseudocapacitors based on multi-walled carbon nanotube (MWCNT) sheets and two different metal oxide nanopowders (NP), i.e., MnO2 and RuO2 are developed using a newly-devised dry painting method to mechanically fix the NP to the elastic rubber-based MWCNT electrode substrate, resulting in a porous buckling structured pseudocapacitor yarn. Highly stretchable stylene-ethylene/butylene-stylene (SEBS) is used as the supporting elastomeric core for wrapping with the MWCNT sheets and the electroactive NP...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28931414/coagulase-gene-polymorphism-enterotoxigenecity-biofilm-production-and-antibiotic-resistance-in-staphylococcus-aureus-isolated-from-bovine-raw-milk-in-north-west-india
#2
Vishnu Sharma, Sanjita Sharma, Dinesh Kumar Dahiya, Aarif Khan, Manisha Mathur, Aayushi Sharma
BACKGROUND: Staphylococcus aureus is the predominant bacterium responsible for various diseases in animals and humans. Preventive strategies could be better implemented by understanding the prevalence, genetic patterns, and the presence of enterotoxin and biofilm-producing genes along with the antibiotic susceptibility of this organism. This study was conducted in Rajasthan, the northwestern state of India, holding the largest population of cattle that makes it the second largest milk producer in India and no such prior information is available on these aspects...
September 20, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28919671/detection-of-staphylococcus-aureus-enterotoxigenic-strains-in-bovine-raw-milk-by-reversed-passive-latex-agglutination-and-multiplex-polymerase-chain-reaction
#3
Asmaa Samy Mansour, Gad El-Said Wagih, Sabry D Morgan, Mahmoud Elhariri, Mona A El-Shabrawy, Azza S M Abuelnaga, E A Elgabry
AIM: This review gives an outline of the assessment of enterotoxigenic Staphylococcus aureus tainting levels in raw milk from different sources in Egypt and characterization of enterotoxigenic strains utilizing a technique in light of PCR to identify genes coding for the production of staphylococcal enterotoxin (SE). The obtained data were compared with results from the application of the reversed passive latex. MATERIALS AND METHODS: Multiplex PCR and reversed passive latex agglutination (RPLA) were used...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28919454/a-robust-immune-system-conditions-the-response-to-abagovomab-anti-idiotypic-monoclonal-antibody-mimicking-the-ca125-protein-vaccination-in-ovarian-cancer-patients
#4
Alessandra Battaglia, Marco Fossati, Alexia Buzzonetti, Giovanni Scambia, Andrea Fattorossi
INTRODUCTION: Despite encouraging phase I and II study results, vaccination of ovarian cancer patients with abagovomab - an anti-idiotypic mAb that mimics the ovarian cancer CA125 protein - failed to demonstrate efficacy in the phase III trial named MIMOSA (NCT00418574). We postulated that in this trial patients with a more robust immune system did respond to abagovomab but went undetected among a larger number of non-responders. We also postulated that assessment of the immune system status ahead of abagovomab administration might predict patients' propensity to respond to abagovomab...
September 14, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28904197/differential-inhibitory-receptor-expression-on-t-cells-delineates-functional-capacities-in-chronic-viral-infection
#5
Jeffrey E Teigler, Gennadiy Zelinskyy, Michael A Eller, Diane L Bolton, Mary Marovich, Alexander D Gordon, Aljawharah Alrubayyi, Galit Alter, Merlin L Robb, Jeffrey N Martin, Steven G Deeks, Nelson L Michael, Ulf Dittmer, Hendrik Streeck
Inhibitory receptors have been extensively described for their importance in regulating immune responses in chronic infections and cancers. Blocking the function of inhibitory receptors such as PD-1, CTLA-4, 2B4, Tim-3, and LAG-3 have shown promise for augmenting CD8 T cell activity and boosting pathogen-specific immunity. However, the prevalence of inhibitory receptors on CD4 T cells and their relative influence on CD4 T cell functionality in chronic HIV infection remains poorly described. We therefore determined and compared inhibitory receptor expression patterns of 2B4, CTLA-4, LAG-3, PD-1, and Tim-3 on virus-specific CD4 and CD8 T cells in relation to their functional T cell profile...
September 13, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28884764/the-reversal-of-the-spontaneous-exchange-bias-effect-and-zero-field-cooling-magnetization-in-la1-5sr0-5co1-xfexmno6-the-effect-of-fe-doping
#6
H G Zhang, L Xie, X C Liu, M X Xiong, L L Cao, Y T Li
The crystal structure, electronic structure and magnetic properties were systematically studied in a series of Fe-doped La1.5Sr0.5CoMnO6 double perovskites. The X-ray diffraction patterns of the samples are all refined with a rhombohedral (R3[combining macron]c) structure. The parameters a and c continuously increase with increasing Fe doping concentration x. X-ray photoelectron spectroscopy (XPS) spectra of the Mn, Co, and Fe 2p core levels, consistent with the soft X-ray absorption spectroscopy (XAS) spectra of Mn, Co, and Fe L2,3 edges, indicate that their valence states are Mn(3+) and Mn(4+), Co(2+) and Co(3+), and Fe(3+), respectively...
September 20, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28843722/macrophage-cell-derived-exosomes-staphylococcal-enterotoxin-b-against-fibrosarcoma-tumor
#7
Elham Behzadi, Hamideh Mahmoodzadeh Hosseini, Raheleh Halabian, Abbas Ali Imani Fooladi
Targeted immune therapies are a modern approach to harness the immunity to treat cancer patients. Exosomes (EXOs) are nano-vesicles used for drug delivery in cancer treatment. We aimed to assess the effectiveness of novel designed EXO structures for immunotherapy alone and in combination with other components in animal models. EXO derived from untreated macrophage (EXO), WEHI-164 cell lysate treated EXO (EXOLys), HSP70 enriched WEHI-164 cell lysate treated EXO (EXOHSP70), Naloxone (NLX) treated EXO (EXONLX), Propranolol (PRP) treated EXO (EXOPRP) and staphylococcal enterotoxin B (SEB) anchored to three kinds of EXOs designated as EXO/SEB, EXOLys/SEB, EXOHSP70/SEB were purified from J774 cell line...
August 24, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28833106/simultaneous-detection-of-escherichia-coli-o157-h7-salmonella-enteritidis-and-listeria-monocytogenes-at-a-very-low-level-using-simultaneous-enrichment-broth-and-multichannel-spr-biosensor
#8
Xiaoguang Zhang, Sachiko Tsuji, Hayato Kitaoka, Hiroshi Kobayashi, Mitsuru Tamai, Ken-Ichi Honjoh, Takahisa Miyamoto
Detection of foodborne pathogens at very low levels is still a challenge. A custom-built multichannel surface plasmon resonance (SPR) biosensor and simultaneous enrichment broth (SEB) were used to develop a simultaneous detection method for 3 important foodborne pathogens, Escherichia coli O157:H7 (O157:H7), Salmonella enteritidis, and Listeria monocytogenes, at a very low level. These 3 foodborne pathogens at a very low level (14, 6, and 28 CFU/25 g (mL) for O157:H7, S. enteritidis, and L. monocytogenes, respectively) were inoculated in SEB and incubated at 37 ˚C for 24 h...
August 23, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28820948/prevalence-and-expression-of-staphylococcal-enterotoxin-genes-in-i-staphylococcus-aureus-i-isolated-from-food-poisoning-outbreaks
#9
Caroline Peixoto Bastos, Milena Tomasi Bassani, Marcia Magalhães Mata, Graciela Volz Lopes, Wladimir Padilha Silva
<i>Staphylococcus aureus</i> is an important pathogen of foodborne origin. The pathogen produces a variety of toxins that includes the staphylococcal enterotoxin (SE). The present study aimed to evaluate the prevalence and expression of five SE genes (<i>sea</i>, <i>seb</i>, <i>sec</i>, <i>sed</i>, and <i>see</i>) in <i>S. aureus</i> isolated from outbreaks occurred in the Rio Grande do Sul state, Brazil. All isolates, with the exception of two, presented the same or higher transcriptional expression than the reference strains for at least one of these genes...
August 18, 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28811608/large-spontaneous-exchange-bias-in-a-weak-ferromagnet-pb6ni9-teo6-5
#10
B Koteswararao, Tanmoy Chakrabarty, Tathamay Basu, Binoy Krishna Hazra, P V Srinivasarao, P L Paulose, S Srinath
We report the magnetic and dielectric behavior of Pb6Ni9(TeO6)5, a new compound comprising the honeycomb-like layers of S = 1 spins, through detailed structural, magnetic and dielectric investigation. An antiferromagnetic-type transition at 25 K (T N ) with weak-ferromagnetic behavior is revealed. Interestingly, a large value of coercive field of 1.32 T at 2 K is observed. The isothermal magnetization after zero-field-cooled condition, it exhibits the presence of large spontaneous exchange bias (SEB) with a magnitude of 0...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28743563/high-spatial-and-temporal-resolution-anthropogenic-heat-discharge-estimation-in-los-angeles-county-california
#11
Yuanfan Zheng, Qihao Weng
Anthropogenic heat flux (Qf), which originates through energy consumption from buildings, industrial plants, vehicle exhausts, and human metabolism releases, is an important component in the urban Surface Energy Balance (SEB) system, and is key to understanding of many urban environmental issues. The present study provided a hybrid Qf modeling approach, which combined the inventory and GIS approach to create a 365-day hourly Qf profile at 120 m spatial resolution in Los Angeles County, California, USA. Qf was estimated by separate calculation of heat release from buildings, traffics, and human metabolism, respectively...
July 22, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28736763/immunologic-effects-of-maraviroc-in-hiv-infected-patients-with-severe-cd4-lymphopenia-starting-antiretroviral-therapy-a-sub-study-of-the-cadiris-trial
#12
Pablo F Belaunzarán-Zamudio, Livio Azzoni, David H Canaday, Yanink N Caro-Vega, Brian Clagget, Mohammed S Rassool, Benigno Rodriguez, Ian Sanne, Irini Sereti, Juan G Sierra-Madero, Michael M Lederman
BACKGROUND: We aimed to describe the mechanisms of immunological recovery and the effects of blocking CCR5 in patients starting ART with advanced HIV-infection. METHODS: This was a sub-study of a 48 week double-blind, clinical trial where patients starting ART with CD4+ cell counts <100 cells/uL were randomized to receive maraviroc or a placebo. CD4+ and CD8+ cell maturation phenotypes, expression of PD-1 and CCR5, and activation indices were measured at weeks 0, 4, 12, 24, and 48...
2017: Pathogens & Immunity
https://www.readbyqxmd.com/read/28735610/social-emotional-and-behavioral-screening-a-comparison-of-two-measures-and-two-methods-across-informants
#13
Ryan J Kettler, Kelly A Feeney-Kettler, Leah Dembitzer
The current study is a correlational design comparing a multiple-gate social, emotional, and behavioral (SEB) screening system with a single-gate SEB screening system using a common criterion variable. Teachers and parents of 105 preschool students completed the multiple-gate Preschool Behavior Screening System (PBSS; Feeney-Kettler, Kratochwill, & Kettler, 2009) and the single-gate Behavioral and Emotional Screening System (BESS; Kamphaus & Reynolds, 2007). The measures were evaluated using Cronbach's alpha, Pearson correlations with each other, and conditional probability indices to represent accuracy in predicting scores from the Achenbach System for Empirically Based Assessment (ASEBA; Achenbach & Rescorla, 2000)...
October 2017: Journal of School Psychology
https://www.readbyqxmd.com/read/28735055/analysis-of-virulence-genes-and-accessory-gene-regulator-agr-types-among-methicillin-resistant-staphylococcus-aureus-strains-in-iran
#14
Sara Cheraghi, Leyla Pourgholi, Maryam Shafaati, Shirinsadat Hashemi Fesharaki, Arash Jalali, Rahim Nosrati, Mohammad Ali Boroumand
OBJECTIVES: Methicillin-resistant Staphylococcus aureus (MRSA) strains are a major cause of hospital-acquired infections and are considered a serious public health concern. MRSA isolates have abundant virulence factors that are the basis for their pathogenicity. The accessory gene regulator (agr) locus co-ordinates the expression of these genes. The aim of this study was to determine the presence and frequency of various virulence genes encoding enterotoxins and adhesins as well as to identify agr specificity groups in MRSA isolates...
September 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28729209/clonal-spread-of-methicillin-resistant-staphylococcus-aureus-t6065-cc5-sccmecv-agrii-in-a-libyan-hospital
#15
Monia Khemiri, Ali Akrout Alhusain, Mohamed Salah Abbassi, Houyem El Ghaieb, Sofia Santos Costa, Adriana Belas, Constança Pomba, Salah Hammami
OBJECTIVES: The aim of this study was to characterize 32 MRSA isolates recovered from wound specimens of patients in a Hospital in Tripoli, Libya, during 2013. METHODS: MRSA isolates were characterized by determining their antibiotic susceptibilities, genes encoding antibiotic resistance and virulence factors, the SCCmec class, agr type, spa typing, PFGE and MLST. RESULTS: PFGE and MLST revealed that all isolates were clonal and belonged to the Clonal Complex 5 (CC5)...
September 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28727010/effect-of-experimentally-increased-protein-supply-to-postpartum-dairy-cows-on-plasma-protein-synthesis-rumen-tissue-proliferation-and-immune-homeostasis
#16
M Larsen, C M Røntved, P K Theil, M Khatun, C Lauridsen, N B Kristensen
The effect of experimentally increasing the postpartum protein supply on plasma protein synthesis, rumen tissue proliferation, and immune homeostasis was studied using 8 periparturient Holstein cows in a complete randomized design. At calving, cows were assigned to abomasal infusion of water (CTRL) or casein (CAS) in addition to a lactation diet. Casein infusion was gradually decreased from 696 ± 1 g/d at +2 d relative to calving (DRTC) to 212 ± 10 g/d at +29 DRTC to avoid excessive supply. Synthesis rate of plasma proteins was measured at -14, +4, +15, and +29 DRTC by measuring [C]Phe isotopic enrichment in arterial plasma free Phe, total plasma proteins, and albumin after 3, 5, and 7 h of jugular ring[C]Phe infusion...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28720885/two-photon-interference-of-polarization-entangled-photons-in-a-franson-interferometer
#17
Heonoh Kim, Sang Min Lee, Osung Kwon, Han Seb Moon
We present two-photon interference experiments with polarization-entangled photon pairs in a polarization-based Franson-type interferometer. Although the two photons do not meet at a common beamsplitter, a phase-insensitive Hong-Ou-Mandel type two-photon interference peak and dip fringes are observed, resulting from the two-photon interference effect between two indistinguishable two-photon probability amplitudes leading to a coincidence detection. A spatial quantum beating fringe is also measured for nondegenerate photon pairs in the same interferometer, although the two-photon states have no frequency entanglement...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28705503/building-a-bio-based-hydrogel-via-electrostatic-and-host-guest-interactions-for-realizing-dual-controlled-release-mechanism
#18
Shuai Han, Ting Wang, Li Yang, Bin Li
Bio-based hydrogel containing cyclodextrins (CDs) is of a promising polymer material that could display many advantages including wide availability, sustainability, biocompatibility and biodegradability, especially the inherent encapsulation ability with hydrophobic substance. To obtain these, the electrostatic and host-guest interactions were introduced and a hydrogel with three-dimensional double network structures was built. For preparing a spherical biopolymer cage, hydroxyethyl cellulose (HEC) and modified chitosan (HACC) were cross-linked by a one-pot reaction...
July 10, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28668759/adverse-childhood-experiences-among-youth-reported-to-child-welfare-results-from-the-national-survey-of-child-adolescent-wellbeing
#19
Antonio R Garcia, Meera Gupta, Johanna K P Greeson, Allison Thompson, Christina DeNard
The negative influence of adverse childhood experiences (ACEs) on social, emotional, and behavioral (SEB) outcomes are well documented. However, no research to date has examined the effect of ACEs on SEB outcomes in youth who received mental health services after reporting to the child welfare system. This study's analyses of data from the National Survey of Child and Adolescent Well-Being II revealed that the most prevalent ACEs included hospitalization for a medical condition, neglect, and exposures to domestic and community violence...
June 29, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28666414/comparative-transcriptome-analysis-reveals-different-strategies-for-degradation-of-steam-exploded-sugarcane-bagasse-by-aspergillus-niger-and-trichoderma-reesei
#20
Gustavo Pagotto Borin, Camila Cristina Sanchez, Eliane Silva de Santana, Guilherme Keppe Zanini, Renato Augusto Corrêa Dos Santos, Angélica de Oliveira Pontes, Aline Tieppo de Souza, Roberta Maria Menegaldo Tavares Soares Dal'Mas, Diego Mauricio Riaño-Pachón, Gustavo Henrique Goldman, Juliana Velasco de Castro Oliveira
BACKGROUND: Second generation (2G) ethanol is produced by breaking down lignocellulosic biomass into fermentable sugars. In Brazil, sugarcane bagasse has been proposed as the lignocellulosic residue for this biofuel production. The enzymatic cocktails for the degradation of biomass-derived polysaccharides are mostly produced by fungi, such as Aspergillus niger and Trichoderma reesei. However, it is not yet fully understood how these microorganisms degrade plant biomass. In order to identify transcriptomic changes during steam-exploded bagasse (SEB) breakdown, we conducted a RNA-seq comparative transcriptome profiling of both fungi growing on SEB as carbon source...
June 30, 2017: BMC Genomics
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