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https://www.readbyqxmd.com/read/28106846/competition-between-methanogens-and-acetogens-in-biocathodes-a-comparison-between-potentiostatic-and-galvanostatic-control
#1
Sam D Molenaar, Pradip Saha, Annemerel R Mol, Tom H J A Sleutels, Annemiek Ter Heijne, Cees J N Buisman
Microbial electrosynthesis is a useful form of technology for the renewable production of organic commodities from biologically catalyzed reduction of CO₂. However, for the technology to become applicable, process selectivity, stability and efficiency need strong improvement. Here we report on the effect of different electrochemical control modes (potentiostatic/galvanostatic) on both the start-up characteristics and steady-state performance of biocathodes using a non-enriched mixed-culture inoculum. Based on our results, it seems that kinetic differences exist between the two dominant functional microbial groups (i...
January 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106420/long-lived-neighbors-determine-the-rheological-response-of-glasses
#2
M Laurati, P Maßhoff, K J Mutch, S U Egelhaaf, A Zaccone
Glasses exhibit a liquidlike structure but a solidlike rheological response with plastic deformations only occurring beyond yielding. Thus, predicting the rheological behavior from the microscopic structure is difficult, but important for materials science. Here, we consider colloidal suspensions and propose to supplement the static structural information with the local dynamics, namely, the rearrangement and breaking of the cage of neighbors. This is quantified by the mean squared nonaffine displacement and the number of particles that remain nearest neighbors for a long time, i...
January 6, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28100095/shoulder-kinetics-during-start-up-and-propulsion-with-a-manual-wheelchair-within-the-initial-phase-of-uninstructed-training
#3
Samuel Hybois, Alice Siegel, Joseph Bascou, Nicolas Eydieux, Philippe Vaslin, Hélène Pillet, Pascale Fodé, Christophe Sauret
PURPOSE: Wheelchair locomotion is constraining for the upper limbs and involves a set of motor tasks that need to be learnt by a novice user. To understand this integration process, we investigated the evolution of shoulder kinetics during start-up and propulsion within the initial phase of low-intensity uninstructed training. MATERIALS AND METHODS: Seventeen novice able-bodied subjects performed a 120-min uninstructed practice distributed over 4 weeks. During the initial and final sessions, upper limbs kinematics and hand-rim kinetics were continuously collected...
January 19, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28092965/a-national-analysis-of-dental-waiting-lists-and-point-in-time-geographic-access-to-subsidised-dental-care-can-geographic-access-be-improved-by-offering-public-dental-care-through-private-dental-clinics
#4
Yevgeni Dudko, Estie Kruger, Marc Tennant
INTRODUCTION: Australia is one of the least densely populated countries in the world, with a population concentrated on or around coastal areas. Up to 33% of the Australian population are likely to have untreated dental decay, while people with inadequate dentition (fewer than 21 teeth) account for up to 34% of Australian adults. Historically, inadequate access to public dental care has resulted in long waiting lists, received much media coverage and been the subject of a new federal and state initiative...
January 2017: Rural and Remote Health
https://www.readbyqxmd.com/read/28088532/comparison-of-an-anaerobic-feed-and-split-anaerobic-aerobic-feed-on-granular-sludge-development-performance-and-ecology
#5
Benjamin J Thwaites, Petra Reeve, Nirmala Dinesh, Michael D Short, Ben van den Akker
The retrofitting of existing wastewater sequencing batch reactors (SBRs) to select for rapid-settling aerobic granular sludge (AGS) over floc-based conventional activated sludge (CAS), could be a viable option to decrease reactor cycle time and increase hydraulic capacity. Successful CAS-to-AGS conversion has previously been shown to be highly dependent on having a dedicated anaerobic feed, which presents additional engineering challenges when retrofitting SBRs. In this study we compared the performance of a split anaerobic-aerobic (An-Aer) feed with that of a traditional dedicated anaerobic feed regarding AGS formation and stability, nitrogen removal performance and microbial ecology...
December 29, 2016: Chemosphere
https://www.readbyqxmd.com/read/28074571/screening-brief-intervention-and-referral-to-treatment-sbirt-implementation-barriers-facilitators-and-model-migration
#6
Janice Vendetti, Amanda Gmyrek, Donna Damon, Manu Singh, Bonnie McRee, Frances Del Boca
AIMS: To identify barriers and facilitators associated with initial implementation of a US alcohol and other substance use Screening, Brief Intervention, and Referral to Treatment (SBIRT) grant program, and to identify modifications in program design that addressed implementation challenges. DESIGN: A mixed-method approach used quantitative and qualitative data, including SBIRT provider ratings of implementation barriers and facilitators, staff interview responses and program documentation...
February 2017: Addiction
https://www.readbyqxmd.com/read/28074565/sustaining-screening-brief-intervention-and-referral-to-treatment-sbirt-services-in-health-care-settings
#7
Manu Singh, Amanda Gmyrek, Amy Hernandez, Donna Damon, Susan Hayashi
AIMS: To assess the sustainability of Screening, Brief Intervention and Referral to Treatment (SBIRT) services after cessation of initial start-up funding. DESIGN: Descriptive study with quantitative and qualitative data collected from 34 staff participants from six grantees (comprising 103 sites) funded previously through a large, federally supported SBIRT program. SETTING: Primary care out-patient clinics and hospitals in the United States...
February 2017: Addiction
https://www.readbyqxmd.com/read/28069357/control-strategies-for-drug-product-continuous-direct-compression-state-of-control-product-collection-strategies-and-startup-shutdown-operations-for-the-production-of-clinical-trial-materials-and-commercial-products
#8
Ahmad Almaya, Lawrence De Belder, Robert Meyer, Karthik Nagapudi, Hung-Ren Homer Lin, Ian Leavesley, Jayanthy Jayanth, Gurjit Bajwa, James DiNunzio, Anthony Tantuccio, Dan Blackwood, Admassu Abebe
Continuous Manufacturing (CM) has emerged in the pharmaceutical industry as a paradigm shift with significant advantages related to cost, efficiency, flexibility and higher assurance of quality. The inherent differences from batch processes justify examining the CM control strategy more holistically. This paper describes the current thinking for the control and implementation of CM, using the example of a direct compression process and taking into consideration the ICH Q10 definition of "state of control" and process validation requirements...
January 6, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28063283/microbial-community-redundancy-in-anaerobic-digestion-drives-process-recovery-after-salinity-exposure
#9
Jo De Vrieze, Marlies E R Christiaens, Diego Walraedt, Arno Devooght, Umer Zeeshan Ijaz, Nico Boon
Anaerobic digestion of high-salinity wastewaters often results in process inhibition due to the susceptibility of the methanogenic archaea. The ability of the microbial community to deal with increased salinity levels is of high importance to ensure process perseverance or recovery after failure. The exact strategy of the microbial community to ensure process endurance is, however, often unknown. In this study, we investigated how the microbial community is able to recover process performance following a disturbance through the application of high-salinity molasses wastewater...
December 26, 2016: Water Research
https://www.readbyqxmd.com/read/28062091/effects-of-person-centred-care-on-health-outcomes-a-randomized-controlled-trial-in-patients-with-acute-coronary-syndrome
#10
Laura Pirhonen, Elisabeth Hansson Olofsson, Andreas Fors, Inger Ekman, Kristian Bolin
OBJECTIVES: To study the effects of person-centred care provided to patients with acute coronary syndrome, using four different health-related outcome measures. Also, to examine the performance of these outcomes when measuring person-centred care. DATA AND METHOD: The data used in this study consists of primary data from a multicentre randomized parallel group, controlled intervention study for patients with acute coronary syndrome at Sahlgrenska University Hospital in Gothenburg, Sweden...
December 13, 2016: Health Policy
https://www.readbyqxmd.com/read/28057558/characterization-of-the-planktonic-microbiome-in-upflow-anaerobic-sludge-blanket-reactors-during-adaptation-of-mesophilic-methanogenic-granules-to-thermophilic-operational-conditions
#11
Xinyu Zhu, Laura Treu, Panagiotis G Kougias, Stefano Campanaro, Irini Angelidaki
Upflow anaerobic sludge blanket (UASB) technology refers to reactor technology where granules, i.e. self-immobilised microbial associations, are the biological catalysts involved in the anaerobic digestion process. During the start-up period, UASB reactors operate at relatively long HRT and therefore the liquid phase of the reactor becomes a favourable environment for microbial growth. The current study aimed to elucidate the dynamicity of the suspended microbial community in UASB reactors, during the transition from mesophilic to thermophilic conditions...
January 2, 2017: Anaerobe
https://www.readbyqxmd.com/read/28057414/apoe-apoe-receptors-and-the-synapse-in-alzheimer-s-disease
#12
REVIEW
Courtney Lane-Donovan, Joachim Herz
As the population ages, neurodegenerative diseases such as Alzheimer's disease (AD) are becoming a significant burden on patients, their families, and health-care systems. Neurodegenerative processes may start up to 15 years before outward signs and symptoms of AD, as evidenced by data from AD patients and mouse models. A major genetic risk factor for late-onset AD is the ɛ4 isoform of apolipoprotein E (ApoE4), which is present in almost 20% of the population. In this review we discuss the contribution of ApoE receptor signaling to the function of each component of the tripartite synapse - the axon terminal, the postsynaptic dendritic spine, and the astrocyte - and examine how these systems fail in the context of ApoE4 and AD...
January 2, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/28056112/association-of-delayed-adjuvant-chemotherapy-with-survival-after-lung-cancer-surgery
#13
Michelle C Salazar, Joshua E Rosen, Zuoheng Wang, Brian N Arnold, Daniel C Thomas, Roy S Herbst, Anthony W Kim, Frank C Detterbeck, Justin D Blasberg, Daniel J Boffa
Importance: Adjuvant chemotherapy offers a survival benefit to a number of staging scenarios in non-small-cell lung cancer. Variable recovery from lung cancer surgery may delay a patient's ability to tolerate adjuvant chemotherapy, yet the urgency of chemotherapy initiation is unclear. Objective: To assess differences in survival according to the time interval between non-small-cell lung cancer resection and the initiation of postoperative chemotherapy to determine the association between adjuvant treatment timing and efficacy...
January 5, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28047661/su-f-j-180-a-reference-data-set-for-testing-two-dimension-registration-algorithms
#14
A Dankwa, E Castillo, T Guerrero
PURPOSE: To create and characterize a reference data set for testing image registration algorithms that transform portal image (PI) to digitally reconstructed radiograph (DRR). METHODS: Anterior-posterior (AP) and Lateral (LAT) projection and DRR image pairs from nine cases representing four different anatomical sites (head and neck, thoracic, abdominal, and pelvis) were selected for this study. Five experts will perform manual registration by placing landmarks points (LMPs) on the DRR and finding their corresponding points on the PI using computer assisted manual point selection tool (CAMPST), a custom-made MATLAB software tool developed in house...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047066/we-ab-bra-11-improved-imaging-of-permanent-prostate-brachytherapy-seed-implants-by-combining-an-endorectal-x-ray-sensor-with-a-ct-scanner
#15
J Steiner, K Matthews, G Jia
PURPOSE: To test feasibility of the use of a digital endorectal x-ray sensor for improved image resolution of permanent brachytherapy seed implants compared to conventional CT. METHODS: Two phantoms simulating the male pelvic region were used to test the capabilities of a digital endorectal x-ray sensor for imaging permanent brachytherapy seed implants. Phantom 1 was constructed from acrylic plastic with cavities milled in the locations of the prostate and the rectum...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28018541/feasibility-of-a-comprehensive-wellness-and-suicide-prevention-program-a-decade-of-caring-for-physicians-in-training-and-practice
#16
Sydney Ey, Mary Moffit, J Mark Kinzie, Patrick H Brunett
BACKGROUND : Comprehensive treatment models reduce distress and suicide risk in military, university, and community populations, but are not well studied with in medical trainees and physicians in practice. Physicians face unique internal and external barriers that limit access to psychological or psychiatric treatment, which may contribute to higher rates of burnout, depression, and suicide. OBJECTIVE : Our goal is to report on the feasibility and utilization of a wellness and suicide prevention program for residents, fellows, and faculty in an academic health center...
December 2016: Journal of Graduate Medical Education
https://www.readbyqxmd.com/read/28007717/perioperative-supplementation-of-polyunsaturated-omega-3-fatty-acid-for-the-prevention-of-atrial-fibrillation-after-cardiothoracic-surgery
#17
Jacqueline D Joss, Jillian Hernan, Rachelle Collier, Andres Cardenas
PURPOSE: The effect of perioperative supplementation of polyunsaturated omega-3 fatty acid (PUFA) on the frequency of atrial fibrillation (AF) in patients without a history of AF was evaluated. METHODS: A total of 561 patients were randomized to receive either 1 g of PUFA or placebo twice daily. Treatment was started up to five days before surgery or within 24 hours after surgery, depending on when consent was received. Treatment was continued until the patient's follow-up visit with the cardiologist up to four weeks after surgery...
January 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28003207/breaking-down-starting-up-can-a-vitamin-c-enriched-gelatin-supplement-before-exercise-increase-collagen-synthesis
#18
Mark Levine, Pierre-Christian Violet
No abstract text is available yet for this article.
January 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27998900/randomised-double-blind-placebo-controlled-study-investigating-the-effects-of-inorganic-nitrate-on-vascular-function-platelet-reactivity-and-restenosis-in-stable-angina-protocol-of-the-nitrate-oct-study
#19
Krishnaraj S Rathod, Daniel A Jones, T J A Van-Eijl, Hilda Tsang, Helen Warren, Stephen M Hamshere, Vikas Kapil, Ajay K Jain, Andrew Deaner, Neil Poulter, Mark J Caulfield, Anthony Mathur, Amrita Ahluwalia
INTRODUCTION: The mainstay treatment for reducing the symptoms of angina and long-term risk of heart attacks in patients with heart disease is stent implantation in the diseased coronary artery. While this procedure has revolutionised treatment, the incidence of secondary events remains a concern. These repeat events are thought to be due, in part, to continued enhanced platelet reactivity, endothelial dysfunction and ultimately restenosis of the stented artery. In this study, we will investigate whether a once a day inorganic nitrate administration might favourably modulate platelet reactivity and endothelial function leading to a decrease in restenosis...
December 20, 2016: BMJ Open
https://www.readbyqxmd.com/read/27973359/rapid-start-up-of-one-stage-deammonification-mbbr-without-addition-of-external-inoculum
#20
Linda Kanders, Daniel Ling, Emma Nehrenheim
In recent years, the anammox process has emerged as a useful method for robust and efficient nitrogen removal in wastewater treatment plants (WWTPs). This paper evaluates a one-stage deammonification (nitritation and anammox) start-up using carrier material without using anammox inoculum. A continuous laboratory-scale process was followed by full-scale operation with reject water from the digesters at Bekkelaget WWTP in Oslo, Norway. A third laboratory reactor was run in operational mode to verify the suitability of reject water from thermophilic digestion for the deammonification process...
December 2016: Water Science and Technology: a Journal of the International Association on Water Pollution Research
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