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https://www.readbyqxmd.com/read/28340193/addressing-structural-barriers-to-hiv-care-among-triply-diagnosed-adults-project-bridge-oakland
#1
Christina Powers, Megan Comfort, Andrea M Lopez, Alex H Kral, Owen Murdoch, Jennifer Lorvick
People who are "triply diagnosed" with HIV, mental health issues, and substance-related disorders face tremendous barriers connecting to and remaining in HIV care. Authors of this article implemented Project Bridge Oakland (PBO), an intervention based on harm reduction and trauma-informed care, to help maintain continuity of care for triply diagnosed adults through cycles of criminal justice involvement. From August 2011 to December 2014, a clinical social worker and an HIV physician provided intensive case management for 19 clients living in Oakland, California...
March 14, 2017: Health & Social Work
https://www.readbyqxmd.com/read/28339110/a-fast-non-iterative-approach-for-accelerated-high-temporal-resolution-cine-cmr-using-dynamically-interleaved-streak-removal-in-the-power-spectral-encoded-domain-with-low-pass-filtering-dispel-and-modulo-prime-spokes-mops
#2
Keigo Kawaji, Mita B Patel, Charles G Cantrell, Akiko Tanaka, Marco Marino, Satoshi Tamura, Hui Wang, Yi Wang, Timothy J Carroll, Takeyoshi Ota, Amit R Patel
PURPOSE: To introduce a pair of accelerated non-Cartesian acquisition principles that when combined, exploit the periodicity of k-space acquisition, and thereby enable acquisition of high-temporal cine-Cardiac Magnetic Resonance (CMR). METHODS: The mathematical formulation of a non-iterative, undersampled non-Cartesian cine acquisition and reconstruction is presented. First, a low-pass-filtering step that exploits streaking artifact redundancy is provided; (i.e...
March 24, 2017: Medical Physics
https://www.readbyqxmd.com/read/28338893/site-directed-mutant-libraries-for-isolating-minimal-mutations-yielding-functional-changes
#3
Dong Hee Chung, Sarah C Potter, Ammon C Tanomrat, Krishnakumar M Ravikumar, Michael D Toney
Powerful, facile new ways to create libraries of site-directed mutants are demonstrated. These include: (1) one-pot-PCR, (2) multi-pot-PCR, and (3) split-mix-PCR. One-pot-PCR uses mutant oligonucleotides to generate megaprimers in situ, and it was used to randomly incorporate 28 mutations in a gabT gene in a single reaction. In more difficult cases, multi-pot-PCR can be employed: mutant megaprimers are synthesized individually, then combined in a single mutagenesis PCR. This method was used to incorporate 14 out of 15 mutations in a pabB gene...
March 9, 2017: Protein Engineering, Design & Selection: PEDS
https://www.readbyqxmd.com/read/28338369/dha-rich-fish-oil-increases-the-omega-3-index-and-lowers-the-oxygen-cost-of-physiologically-stressful-cycling-in-trained-individuals
#4
Lachlan Hingley, Michael J Macartney, Marc A Brown, Peter L McLennan, Gregory E Peoples
Dietary fish oil, providing docosahexaenoic acid (DHA) modulates oxygen consumption and fatigue in animal models. However, in humans predominately supplemented with high eicosapentaenoic acid (EPA), there is no evidence of endurance performance enhancement. Therefore, this study examined if DHA-rich fish oil could improve repeated bouts of physiologically stressful cycling and a subsequent time trial in a state of fatigue. Twenty-six trained males took part in a double-blind study and were supplemented with either 2x1g/day soy oil (Control) or DHA-rich tuna fish oil (Nu-Mega) (FO) (560mg DHA / 140mg eicosapentaenoic acid (EPA)) for eight weeks...
March 24, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28338362/the-effects-of-caffeine-taurine-or-caffeine-taurine-co-ingestion-on-repeat-sprint-cycling-performance-and-physiological-responses
#5
Rory Warnock, Owen Jeffries, Stephen Patterson, Mark Waldron
PURPOSE: This study investigated the effects of caffeine (C), taurine (T), caffeine and taurine co-ingestion (C+T) or placebo (P) on repeated Wingate cycling performance and associated physiological responses. METHODS: Seven male team sports players participated in a randomised, single-blind, cross-over study, where they completed three Wingate tests, each separated by 2-min, an hour after ingesting: C (5 mg/kg BM), T (50 mg/kg BM), C+T (5 mg/kg BM + 50 mg/kg BM) or P (5 mg/kg BM) in a gelatine capsule...
March 24, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28338359/optimizing-the-team-for-required-power-during-track-cycling-team-pursuit
#6
Levi Heimans, Wouter R Dijkshoorn, Marco J M Hoozemans, Jos J de Koning
PURPOSE: Since the aim of the men's team pursuit in time trial track cycling is to accomplish a distance of 4000m as fast as possible, optimizing aerodynamic drag can contribute to achieving this goal. The aim of this study is to determine the drafting effect in second, third and fourth position during the team pursuit in track cycling as a function of the team members' individual frontal areas in order to minimize the required power. METHOD: Eight experienced track cyclists of the Dutch national selection performed 39 trials of 3-km in different teams of four cyclists at a constant velocity of 15...
March 24, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28337628/study-of-plasma-off-gas-treatment-from-spent-ion-exchange-resin-pyrolysis
#7
Hernán Ariel Castro, Vittorio Luca, Hugo Luis Banchi
Polystyrene divinylbenzene-based ion exchange resins are employed extensively within nuclear power plants (NPPs) and research reactors for purification and chemical control of the cooling water system. To maintain the highest possible water quality, the resins are regularly replaced as they become contaminated with a range of isotopes derived from compromised fuel elements as well as corrosion and activation products including (14)C, (60)Co, (90)Sr, (129)I, and (137)Cs. Such spent resins constitute a major proportion (in volume terms) of the solid radioactive waste generated by the nuclear industry...
March 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28337434/influence-of-power-delivery-timing-on-the-energetics-and-biomechanics-of-humans-wearing-a-hip-exoskeleton
#8
Aaron J Young, Jessica Foss, Hannah Gannon, Daniel P Ferris
A broad goal in the field of powered lower limb exoskeletons is to reduce the metabolic cost of walking. Ankle exoskeletons have successfully achieved this goal by correctly timing a plantarflexor torque during late stance phase. Hip exoskeletons have the potential to assist with both flexion and extension during walking gait, but the optimal timing for maximally reducing metabolic cost is unknown. The focus of our study was to determine the best assistance timing for applying hip assistance through a pneumatic exoskeleton on human subjects...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/28336535/the-effects-of-short-work-versus-longer-work-periods-within-intermittent-exercise-on-v%C3%AC-o2p-kinetics-muscle-deoxygenation-and-energy-system-contribution
#9
Michael Christopher McCrudden, Daniel A Keir, Glen R Belfry
We examined the effects of inserting 3 s recovery periods during high-intensity cycling exercise at 25 s and 10 s intervals on pulmonary oxygen uptake (V̇O2p), muscle deoxygenation (HHb), associated kinetics (τ), and energy system contributions. Eleven men (24±3 years) completed two trials of three cycling protocols: an 8 min continuous protocol (CONT) and two, 8 min intermittent exercise protocols with work-to-rest periods of 25 s-to-3 s (25INT) and 10 s-to-3 s (10INT). Each protocol began with a step-transition from a 20 W baseline to a power output (PO) of 60% between lactate threshold and maximal V̇O2p (Δ60)...
March 23, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28335886/neoscope-a-randomised-phase-ii-study-of-induction-chemotherapy-followed-by-oxaliplatin-capecitabine-or-carboplatin-paclitaxel-based-pre-operative-chemoradiation-for-resectable-oesophageal-adenocarcinoma
#10
Somnath Mukherjee, Christopher Nicholas Hurt, Sarah Gwynne, David Sebag-Montefiore, Ganesh Radhakrishna, Simon Gollins, Maria Hawkins, Heike I Grabsch, Gareth Jones, Stephen Falk, Ricky Sharma, Andrew Bateman, Rajarshi Roy, Ruby Ray, Jo Canham, Gareth Griffiths, Tim Maughan, Tom Crosby
BACKGROUND: Oxaliplatin-capecitabine (OxCap) and carboplatin-paclitaxel (CarPac) based neo-adjuvant chemoradiotherapy (nCRT) have shown promising activity in localised, resectable oesophageal cancer. PATIENTS AND METHODS: A non-blinded, randomised (1:1 via a centralised computer system), 'pick a winner' phase II trial. Patients with resectable oesophageal adenocarcinoma ≥ cT3 and/or ≥ cN1 were randomised to OxCapRT (oxaliplatin 85 mg/m(2) day 1, 15, 29; capecitabine 625 mg/m(2) bd on days of radiotherapy) or CarPacRT (carboplatin AUC2; paclitaxel 50 mg/m(2) day 1, 8, 15, 22, 29)...
March 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28335346/a-facile-method-to-in-situ-synthesize-porous-ni%C3%A2-geo%C3%A2-nano-sheets-on-nickel-foam-as-advanced-anode-electrodes-for-li-ion-batteries
#11
Delong Ma, Xiaomin Shi, Anming Hu
A strategy for growth of porous Ni₂GeO₄ nanosheets on conductive nickel (Ni) foam with robust adhesion as a high-performance electrode for Li-ion batteries is proposed and realized, through a facile two-step method. It involves the low temperature hydro-thermal synthesis of bimetallic (Ni, Ge) hydroxide nanosheets precursor on Ni foam substrates and subsequent thermal transformation to porous Ni₂GeO₄ nanosheets. The as-prepared Ni₂GeO₄ nanosheets possess many interparticle mesopores with a size range from 5 to 15 nm...
November 19, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334660/preparation-and-photovoltaic-properties-of-cds-quantum-dot-sensitized-solar-cell-based-on-zinc-tin-mixed-metal-oxides
#12
Jiupeng Cao, Yifan Zhao, Yatong Zhu, Xiaoyu Yang, Peng Shi, Hongdi Xiao, Na Du, Wanguo Hou, Genggeng Qi, Jianqiang Liu
The present study reports a new type of quantum dot sensitized solar cells (QDSSCs) using the zinc tin mixed metal oxides (MMO) as the anode materials, which were obtained from the layered double hydroxide (LDH) precursor. The successive ionic layer adsorption and reaction (SILAR) method is applied to deposit CdS quantum dots. The effects of sensitizing cycles on the performance of CdS QDSSC are studied. Scanning electron microscopy (SEM), Transmission electron microscope (TEM) and X-ray diffraction (XRD) are used to identify the surface profile and crystal structure of the mixed metal oxides anode...
March 16, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28333464/quantification-of-thermodynamic-hydridicity-of-hydride-complexes-of-mn-re-mo-and-w-using-molecular-electrostatic-potential
#13
Sandhya Karakkadparambil Sankaran, Cherumuttathu H Suresh
Molecular electrostatic potential (MESP) at the hydride nucleus, VH is proposed as a powerful measure of the hydride donor ability (hydridicity) of metal hydride complexes. The VH alues are determined for several group VI and group VII octahedral metal hydride complexes of Mo, W, Mn and Re at the B3LYP level of DFT. Further, the hydridicity, defined by the thermodynamic parameter ΔG(o)H- is determined for all these complexes using a thermodynamic cycle which describes the hydride abstraction reaction by H3O(+) ion...
March 23, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28333432/ald-alumina-passivated-silicon-nanowires-probing-the-transition-from-electrochemical-double-layer-capacitor-to-electrolytic-capacitors
#14
Dorian Gaboriau, Maxime Boniface, Anthony Valero, Dmitry Aldakov, Thierry Brousse, Pascal Gentile, Said Sadki
Silicon nanowires were coated by a 1-5 nm thin alumina layer by Atomic Layer Deposition in order to replace poorly reproducible and unstable native silicon oxide by a highly conformal passivating alumina layer. The surface coating enabled probing the behavior of symmetric devices using such electrodes in EMI-TFSI electrolyte, allowing to attain a large cell voltage up to 6 V in ionic liquid, together with very high cyclability with less than 4% capacitance fade after 106 charge/discharge cycles. These results yielded fruitful insights on the transition between an electrochemical double-layer capacitor behavior and an electrolytic capacitor behavior...
March 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28333271/impact-of-thyroid-autoimmunity-in-euthyroid-women-on-live-birth-rate-after-iui
#15
D Unuane, B Velkeniers, B Bravenboer, P Drakopoulos, H Tournaye, J Parra, M De Brucker
STUDY QUESTION: Does thyroid autoimmunity (TAI) predict live birth rate in euthyroid women after one treatment cycle in IUI patients? SUMMARY ANSWER: TAI as such does not influence pregnancy outcome after IUI treatment. WHAT IS KNOWN ALREADY: The role of TAI on pregnancy outcome in the case of IVF/ICSI is largely debated in the literature. This is the first study to address this issue in the case of IUI. STUDY DESIGN, SIZE, DURATION: This was a retrospective cohort study...
February 23, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333222/ivf-or-iui-as-first-line-treatment-in-unexplained-subfertility-the-conundrum-of-treatment-selection-markers
#16
R I Tjon-Kon-Fat, P Tajik, M H Zafarmand, A J Bensdorp, P M M Bossuyt, G J E Oosterhuis, R van Golde, S Repping, M D A Lambers, E Slappendel, D Perquin, M J Pelinck, J Gianotten, J W M Maas, M J C Eijkemans, F van der Veen, B W Mol, M van Wely
STUDY QUESTION: Are there treatment selection markers that could aid in identifying couples, with unexplained or mild male subfertility, who would have better chances of a healthy child with IVF with single embryo transfer (IVF-SET) than with IUI with ovarian stimulation (IUI-OS)? SUMMARY ANSWER: We did not find any treatment selection markers that were associated with better chances of a healthy child with IVF-SET instead of IUI-OS in couples with unexplained or mild male subfertility...
February 24, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28332113/the-critical-power-concept-applications-to-sports-performance-with-a-focus-on-intermittent-high-intensity-exercise
#17
REVIEW
Andrew M Jones, Anni Vanhatalo
The curvilinear relationship between power output and the time for which it can be sustained is a fundamental and well-known feature of high-intensity exercise performance. This relationship 'levels off' at a 'critical power' (CP) that separates power outputs that can be sustained with stable values of, for example, muscle phosphocreatine, blood lactate, and pulmonary oxygen uptake ([Formula: see text]), from power outputs where these variables change continuously with time until their respective minimum and maximum values are reached and exercise intolerance occurs...
March 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28332042/the-effect-of-wi-fi-electromagnetic-waves-in-unimodal-and-multimodal-object-recognition-tasks-in-male-rats
#18
Amin Hassanshahi, Seyed Ali Shafeie, Iman Fatemi, Elham Hassanshahi, Mohammad Allahtavakoli, Mohammad Shabani, Ali Roohbakhsh, Ali Shamsizadeh
Wireless internet (Wi-Fi) electromagnetic waves (2.45 GHz) have widespread usage almost everywhere, especially in our homes. Considering the recent reports about some hazardous effects of Wi-Fi signals on the nervous system, this study aimed to investigate the effect of 2.4 GHz Wi-Fi radiation on multisensory integration in rats. This experimental study was done on 80 male Wistar rats that were allocated into exposure and sham groups. Wi-Fi exposure to 2.4 GHz microwaves [in Service Set Identifier mode (23...
March 22, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28332025/endurance-aerobic-high-intensity-and-repeated-sprint-cycling-performance-is-unaffected-by-normobaric-live-high-train-low-a-double-blind-placebo-controlled-cross-over-study
#19
Jacob Bejder, Andreas Breenfeldt Andersen, Rie Buchardt, Tanja Hultengren Larsson, Niels Vidiendal Olsen, Nikolai Baastrup Nordsborg
The aim was to investigate whether 6 weeks of normobaric "Live High-Train Low" (LHTL) using altitude tents affect highly trained athletes incremental peak power, 26-km time-trial cycling performance, 3-min all-out performance, and 30-s repeated sprint ability. In a double-blinded, placebo-controlled cross-over design, seven highly trained triathletes were exposed to 6 weeks of normobaric hypoxia (LHTL) and normoxia (placebo) for 8 h/day. LHTL exposure consisted of 2 weeks at 2500 m, 2 weeks at 3000 m, and 2 weeks at 3500 m...
March 22, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28328195/degradation-dynamics-for-electrochromic-wo3-films-under-extended-charge-insertion-extraction-unveiling-physicochemical-mechanisms
#20
Rui-Tao Wen, Sara Malmgren, Claes G Granqvist, Gunnar A Niklasson
Degradation of electrochromic thin films under extended charge insertion/extraction is a technically important phenomenon for which no in-depth understanding is currently at hand. Here we report on an explorative study of sputter-deposited WO3 films in a Li-ion-conducting electrolyte by use of cyclic voltammetry, in situ optical transmittance, and impedance spectroscopy. A cycling-dependent decrease of the charge capacity could be accurately modeled by a power-law function, and impedance spectroscopy gave evidence for anomalous diffusion as well a higher charge transfer resistance during deintercalation than during intercalation...
March 22, 2017: ACS Applied Materials & Interfaces
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