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https://www.readbyqxmd.com/read/28107721/increased-biohydrogen-yields-volatile-fatty-acid-production-and-substrate-utilisation-rates-via-the-electrodialysis-of-a-continually-fed-sucrose-fermenter
#1
Rhys Jon Jones, Jaime Massanet-Nicolau, Martijn J J Mulder, Giuliano Premier, Richard Dinsdale, Alan Guwy
Electrodialysis (ED) removed volatile fatty acids (VFAs) from a continually-fed, hydrogen-producing fermenter. Simultaneously, electrochemical removal and adsorption removed gaseous H2 and CO2, respectively. Removing VFAs via ED in this novel process increased H2 yields by a factor of 3.75 from 0.24molH2mol(-1)hexose to 0.90molH2mol(-1)hexose. VFA production and substrate utilisation rates were consistent with the hypothesis that end product inhibition arrests H2 production. The methodology facilitated the recovery of 37g of VFAs, and 30L H2 that was more than 99% pure, both of which are valuable, energy dense chemicals...
January 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28107612/hemin-binding-by-porphyromonas-gingivalis-strains-is-dependent-on-the-presence-of-a-lps
#2
Minnie Rangarajan, Joseph Aduse-Opoku, Nikolay A Paramonov, Ahmed Hashim, Michael A Curtis
Porphyromonas gingivalis is a Gram-negative black pigmenting anaerobe unable to synthesise haem (Fe (II)-protoporphyrin IX) or hemin (Fe(III)-protoporphyrin IX-Cl) which are important growth/virulence-factors, and must therefore derive them from the host P. gingivalis expresses several proteinaceous hemin -binding-sites which are important in the binding/ transport of haem/hemin from the host. P. gingivalis also synthesises several virulence factors, namely cysteine-proteases Arg- and Lys-gingipains and two lipopolysaccharides (LPS), O-LPS and A-LPS...
January 20, 2017: Molecular Oral Microbiology
https://www.readbyqxmd.com/read/28107598/dropout-in-clinical-trials-of-pharmacologic-treatment-for-methamphetamine-dependence-the-role-of-initial-abstinence
#3
Ryan Cook, Brendan Quinn, Keith Heinzerling, Steve Shoptaw
BACKGROUND AND AIMS: High rates of loss to follow-up represent a significant challenge to clinical trials of pharmacologic treatments for methamphetamine (MA) use disorder. We aimed to estimate and test the relationship between achieving and maintaining abstinence in the initial weeks of study participation and subsequent retention in such trials, hypothesizing that participants able to achieve early abstinence would be less likely to drop out. DESIGN: Data from four randomized controlled trials (RCTs) of pharmacologic treatments for MA use disorder were pooled and analyzed using a random-effects approach...
January 20, 2017: Addiction
https://www.readbyqxmd.com/read/28107359/sustained-cortical-and-subcortical-measures-of-auditory-and-visual-plasticity-following-short-term-perceptual-learning
#4
Bonnie K Lau, Dorea R Ruggles, Sucharit Katyal, Stephen A Engel, Andrew J Oxenham
Short-term training can lead to improvements in behavioral discrimination of auditory and visual stimuli, as well as enhanced EEG responses to those stimuli. In the auditory domain, fluency with tonal languages and musical training has been associated with long-term cortical and subcortical plasticity, but less is known about the effects of shorter-term training. This study combined electroencephalography (EEG) and behavioral measures to investigate short-term learning and neural plasticity in both auditory and visual domains...
2017: PloS One
https://www.readbyqxmd.com/read/28107251/internet-delivered-self-management-support-for-improving-coronary-heart-disease-and-self-management-related-outcomes-a-systematic-review
#5
Jorge Palacios, Geraldine A Lee, Maria Duaso, Abigail Clifton, Ian J Norman, Derek Richards, Elizabeth Alexandra Barley
INTRODUCTION: Coronary heart disease (CHD) is associated with significant morbidity and mortality, including mental health comorbidity, which is associated with poor outcomes. Self-management is key, but there is limited access to self-management support. Internet-delivered interventions may increase access. OBJECTIVE: The aim of this study was to conduct a systematic review to (1) determine the effectiveness of Internet-delivered CHD self-management support for improving CHD, mood, and self-management related outcomes and (2) identify and describe essential components for effectiveness...
January 20, 2017: Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/28107221/cash-vs-food-assistance-to-improve-adherence-to-antiretroviral-therapy-among-hiv-infected-adults-in-tanzania-a-randomized-trial
#6
Sandra I McCoy, Prosper F Njau, Carolyn Fahey, Ntuli Kapologwe, Suneetha Kadiyala, Nicholas P Jewell, William H Dow, Nancy S Padian
OBJECTIVE: We evaluated the effectiveness of short-term cash and food assistance to improve adherence to antiretroviral therapy (ART) and retention in care among people living with HIV in Tanzania. METHODS: At three clinics, 805 participants were randomized to three groups in a 3 : 3 : 1 ratio, stratified by site : nutrition assessment and counseling (NAC) and cash transfers (∼$11/month, n = 347), NAC and food baskets (n = 345), and NAC-only (comparison group, n = 113, clinicaltrials...
January 19, 2017: AIDS
https://www.readbyqxmd.com/read/28107210/treatment-outcome-comparison-between-telepsychiatry-and-face-to-face-buprenorphine-medication-assisted-treatment-for-opioid-use-disorder-a-2-year-retrospective-data-analysis
#7
Wanhong Zheng, Michael Nickasch, Laura Lander, Sijin Wen, Minchan Xiao, Patrick Marshalek, Ebony Dix, Carl Sullivan
OBJECTIVES: To retrospectively review clinic records to assess the difference between face-to-face and telepsychiatry buprenorphine medication-assisted treatment (MAT) programs for the treatment of opioid use disorder on 3 outcomes: additional substance use, average time to achieve 30 and 90 consecutive days of abstinence, and treatment retention rates at 90 and 365 days. METHODS: Medical records of patients (N = 100) who were participating in telepsychiatry and in face-to-face group-based outpatient buprenorphine MAT programs were reviewed and assessed using descriptive statistical analysis...
January 19, 2017: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/28107173/electronic-cigarettes-and-indoor-air-quality-a-review-of-studies-using-human-volunteers
#8
Najihah Zainol Abidin, Emilia Zainal Abidin, Aziemah Zulkifli, Karmegam Karuppiah, Sharifah Norkhadijah Syed Ismail, Amer Siddiq Amer Nordin
OBJECTIVE: This paper is primarily aimed to review articles on electronic cigarettes (e-cigarettes) focusing on indoor air quality (IAQ) assessment that were conducted using human volunteers under natural settings that mimic actual vaping scenarios. Such studies may give a better representation of the actual potential exposure towards e-cigarettes emissions in indoor settings. METHODS: A systematic literature search was conducted using PubMed search engine database...
January 20, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28106682/creating-a-culture-of-success-using-the-magnet-recognition-program%C3%A2-as-a-framework-to-engage-nurses-in-an-australian-healthcare-facility
#9
Sandra Moss, Marion Mitchell, Veronica Casey
An organizational culture that reflects distrust, fear of reprisal, reluctance to challenge the status quo, acceptance of poor practice, denial, and lack of accountability creates significant issues in healthcare in relation to employee retention, burnout, organizational commitment, and patient safety. Changing culture is one of the most challenging endeavors an organization will encounter. We highlight that the Magnet Recognition Program® can be implemented as an organizational intervention to positively impact on nursing workplace culture in an international healthcare facility...
February 2017: Journal of Nursing Administration
https://www.readbyqxmd.com/read/28106657/impact-of-case-order-on-laparoscopic-sacrocolpopexy-do-surgeons-need-a-warm-up
#10
Erin Seifert Lavelle, Lindsay C Turner, Jonathan P Shepherd
OBJECTIVES: Warm-up is defined as a preparatory activity or procedure. Using case order as a surrogate for surgeon warm-up, first cases were compared with second or later cases for intraoperative complications, operative time, and length of stay (LOS) among women undergoing laparoscopic sacrocolpopexy. METHODS: This is a retrospective study of laparoscopic sacrocolpopexies performed from 2009 through 2014 at a large academic center. Any surgery preceding laparoscopic sacrocolpopexy was considered a surrogate for surgeon warm-up...
January 18, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28106629/heat-shock-protein-70-overexpression-in-adipose-derived-stem-cells-enhances-fat-graft-survival
#11
Hao Feng, Lihong Qiu, Teng Zhang, Houyou Yu, Xianjie Ma, Yingjun Su, Hui Zheng, Yong Wang, Chenggang Yi
BACKGROUND: Autologous fat grafting is a prevalent technique used for soft-tissue augmentation; however, the poor survival rate of the grafted tissue remains a drawback of this method. Although adipose-derived stem cells (ASCs) are an attractive candidate for enhancing graft retention, the poor posttransplantation viability of these cells limits their application. Here we investigated whether overexpression of the antiapoptotic protein heat-shock protein 70 (Hsp70) could enhance ASCs' therapeutic potential for fat transplant survival...
January 19, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28106559/abca1-deficiency-affects-basal-cognitive-deficits-and-dendritic-density-in-mice
#12
Nicholas F Fitz, Alexis Y Carter, Victor Tapias, Emilie L Castranio, Ravindra Kodali, Iliya Lefterov, Radosveta Koldamova
ATP-binding cassette transporter A1 (ABCA1) mediates cholesterol efflux to lipid-free apolipoproteins and regulates the generation of high density lipoproteins. Previously, we have shown that lack of Abca1 significantly increases amyloid deposition and cognitive deficits in Alzheimer's disease model mice expressing human amyloid-β protein precursor (APP). The goal of this study was to determine if ABCA1 plays a role in memory deficits caused by amyloid-β (Aβ) oligomers and examine neurite architecture of pyramidal hippocampal neurons...
January 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28106465/evaluation-of-99m-tc-mibi-in-thyroid-gland-imaging-for-the-diagnosis-and-classification-of-amiodarone-induced-thyrotoxicosis
#13
Junqi Wang, Ruiguo Zhang
OBJECTIVE: Amiodarone-induced thyrotoxicosis (AIT) is caused by aminodaroneas a side effect of cardiovascular disease treatment. Based on the differences in their pathological and physiological mechanisms, many methods have been developed so far to differentiate AIT subtypes such as color flow Doppler sonography (CFDS)and 24 h radioiodine uptake (RAIU). However, these methods suffer from inadequate accuracy in distinguishing different types of AITs and sometimes lead to misdiagnosis and delayed treatments...
January 20, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28106365/coordinatively-self-assembled-luminescent-gold-nanoparticles-fluorescence-turn-on-system-for-high-efficiency-passive-tumor-imaging
#14
Xuandi Lai, Lishan Tan, Xiulong Deng, Jinbin Liu, Aiqing Li, Jianyu Liu, Jianqiang Hu
A fluorescence turn-on system for highly efficient and prolonged tumor imaging has been established by Co2+-induced coordination self-assembly strategy, in which luminescent glutathione (GSH)-modified gold nanoparticles (LGAuNPs) are assembled into LGAuNPs assemblies (LGAuNPs-Co) through coordination bond between unoccupied orbit of Co2+ and lone pair electrons of GSH on the surface of LGAuNPs. The LGAuNPs-Co is sensitive to microenvironment pH and its quenched luminescence will be turned on in tumor tissues (acidic microenvironment), which behaves as a fluorescence turn-on system for passive tumor imaging...
January 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28106344/fast-separation-of-flavonoids-by-supercritical-fluid-chromatography-using-a-column-packed-with-a-sub-2%C3%A2-%C3%AE-m-particle-stationary-phase
#15
Bo Wang, Xiao-Hua Liu, Wei Zhou, Yan Hong, Shi-Lan Feng
The purpose of this study was to compare the effects of different chromatographic columns for the separation of seven flavonoids. Four different stationary phases are available, including BEH, BEH 2-EP, CSH fluorophenyl and HSS C18 SB. The analytes included calycosin, genistein, medicarpin, calycosin-7-O-β-d-glucoside, formononetin, formononetin-7-O-β-d-glucoside and liquiritigenin. The CSH fluorophenyl column was determined to be the most suitable and provided the fastest separation within 17 min using gradient elution with carbon dioxide as the mobile phase and methanol as the co-solvent...
January 20, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28106250/assessment-of-biochar-and-hydrochar-as-minor-to-major-constituents-of-growing-media-for-containerized-tomato-production
#16
Fernando Fornes, Rosa M Belda, Pascual Fernández de Córdova, Jaime Cebolla-Cornejo
BACKGROUND: Chars are emerging materials as constituents of growth media. However, chars of different origin differ in their characteristics and more studies are needed to ratify them for such role. The characteristics of coir mixed with 0, 10, 25, 50, 75, and 100 (% v:v) of two biochars, from forest waste (BCH-FW) and from olive mill waste (BCH-OMW), and one hydrochar, from forest waste (HYD-FW), and their effects on growth, yield and fruit quality of two tomato cultivars (Gransol RZ and Cuarenteno) were assessed...
January 20, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28106170/assembly-of-flexible-comoo4-nimoo4%C3%A2-xh2o-and-fe2o3-electrodes-for-solid-state-asymmetric-supercapacitors
#17
Jing Wang, Leipeng Zhang, Xusong Liu, Xiang Zhang, Yanlong Tian, Xiaoxu Liu, Jiupeng Zhao, Yao Li
In this work, CoMoO4@NiMoO4·xH2O core-shell heterostructure electrode is directly grown on carbon fabric (CF) via a feasible hydrothermal procedure with CoMoO4 nanowires (NWs) as the core and NiMoO4 nanosheets (NSs) as the shell. This core-shell heterostructure could provide fast ion and electron transfer, a large number of active sites, and good strain accommodation. As a result, the CoMoO4@NiMoO4·xH2O electrode yields high-capacitance performance with a high specific capacitance of 1582 F g(-1), good cycling stability with the capacitance retention of 97...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28105847/compact-ultrahigh-pressure-nanoflow-capillary-liquid-chromatograph
#18
Xiaofeng Zhao, Xiaofeng Xie, Sonika Sharma, Luke T Tolley, Alex Plistil, Hal E Barnett, Martin P Brisbin, Adam C Swensen, John C Price, Paul B Farnsworth, H Dennis Tolley, Stanley D Stearns, Milton L Lee
A compact ultrahigh-pressure nanoflow liquid chromatograph (LC) was developed with the purpose in mind of creating a portable system that could be easily moved to various testing locations or placed in close proximity to other instruments for optimal coupling, such as with mass spectrometry (MS). The system utilized innovative nanoflow pumps integrated with a very low volume stop-flow injector and mixing tee. The system weighed only 5.9 kg (13 lbs) or 4.5 kg (10 lbs) without a controller and could hold up to 1100 bar (16000 psi) of pressure...
January 3, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28105735/observational-registry-of-basal-insulin-treatment-orbit-in-patients-with-type-2-diabetes-uncontrolled-with-oral-antihyperglycaemic-drugs-real-life-use-of-basal-insulin-in-china
#19
Linong Ji, Puhong Zhang, Dongshan Zhu, Xian Li, Jiachao Ji, Juming Lu, Xiaohui Guo, Weiping Jia, Jianping Weng, Yangfeng Wu, Wenying Yang, Dajin Zou, Zhiguang Zhou, Changyu Pan, Yan Gao, Satish K Garg
AIMS: To examine treatment patterns following basal insulin (BI) introduction in type 2 diabetes mellitus (T2DM) patients under real-world conditions across China. MATERIALS AND METHODS: Overall, 18,995 patients inadequately controlled [HbA1c ≥ 53 mmol/mol (7%)] with oral antihyperglycaemic drugs (OADs) and willing to receive BI treatment were registered at 209 hospitals and followed at baseline (visit 1), 3 months (visit 2), and 6 months (visit 3). Type of BI was initiated at physicians' discretion...
January 20, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28105397/s-n-co-doped-graphene-nickel-cobalt-sulfide-aerogel-improved-energy-storage-and-electrocatalytic-performance
#20
Guanjie He, Mo Qiao, Wenyao Li, Yao Lu, Tingting Zhao, Rujia Zou, Bo Li, Jawwad A Darr, Junqing Hu, Maria-Magdalena Titirici, Ivan P Parkin
Metal sulfides are commonly used in energy storage and electrocatalysts due to their redox centers and active sites. Most literature reports show that their performance decreases significantly caused by oxidation in alkaline electrolyte during electrochemical testing. Herein, S and N co-doped graphene-based nickel cobalt sulfide aerogels are synthesized for use as rechargeable alkaline battery electrodes and oxygen reduction reaction (ORR) catalysts. Notably, this system shows improved cyclability due to the stabilization effect of the S and N co-doped graphene aerogel (SNGA)...
January 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
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