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https://www.readbyqxmd.com/read/29224082/generating-electric-current-by-bioartificial-photosynthesis
#1
Babu Halan, Jenny Tschörtner, Andreas Schmid
Abundant solar energy can be a sustainable source of energy. This chapter highlights recent advancements, challenges, and future scenarios in bioartificial photosynthesis, which is a new subset of bioelectrochemical systems (BESs) and technologies. BES technologies exploit the catalytic interactions between biological moieties and electrodes. At the nexus of BES and photovoltaics, this review focuses on light-harvesting technologies based on bioartificial photosynthesis. Such technologies are promising because electrical energy is generated from sunlight and water without the need for additional organic feedstock...
December 10, 2017: Advances in Biochemical Engineering/biotechnology
https://www.readbyqxmd.com/read/29223966/advancing-point-of-care-diagnostics-for-the-control-and-prevention-of-stis-the-way-forward
#2
Igor Toskin, Karel Blondeel, Rosanna W Peeling, Carolyn Deal, James Kiarie
WHO recognises the global impact of sexually transmitted infections (STIs) on global public health and individual sexual and reproductive health and well-being. As a component of the WHO Global Health Sector Strategy for the control and prevention of STIs, there has been a growing recognition of the importance of integrating point-of-care tests (POCTs) into overall strategic planning. The process of integrating STI POCTs, in addition to providing a definitive diagnosis and appropriate treatment in a single visit, also includes innovative delivery options, such as on-site delivery, community-based testing (including screening), as well as self-testing at home after purchase of a test online or over-the-counter...
December 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/29223900/driving-factors-of-soil-carbon-accumulation-in-oxisols-in-long-term-no-till-systems-of-south-brazil
#3
Ademir de Oliveira Ferreira, Telmo Jorge Carneiro Amado, Charles W Rice, Dorivar A Ruiz Diaz, Clever Briedis, Thiago Massao Inagaki, Daniel Ruiz Potma Gonçalves
In a climate change scenario, it is important to understand the factors that lead to changes in a soil carbon (C) sink. It is recognized that such process is highly dependent on climate, soil properties, topography, and vegetation. However, few studies demonstrate how these mechanisms operate in highly weathered Oxisols. Therefore, this study evaluated the driving factors for C recovery and accumulation and its relations with fertility attributes in the soil profile (0 to 1m depth) in no-till (NT) croplands of south Brazil...
December 7, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29223660/developing-nursing-and-midwifery-students-capacity-for-coping-with-bullying-and-aggression-in-clinical-settings-students-evaluation-of-a-learning-resource
#4
Rosemarie Hogan, Fiona Orr, Deborah Fox, Allison Cummins, Maralyn Foureur
An innovative blended learning resource for undergraduate nursing and midwifery students was developed in a large urban Australian university, following a number of concerning reports by students on their experiences of bullying and aggression in clinical settings. The blended learning resource included interactive online learning modules, comprising film clips of realistic clinical scenarios, related readings, and reflective questions, followed by in-class role-play practice of effective responses to bullying and aggression...
December 6, 2017: Nurse Education in Practice
https://www.readbyqxmd.com/read/29223630/postoperative-loss-of-midline-function-in-brachial-plexus-birth-palsy
#5
Dustin A Greenhill, Arianna Trionfo, Frederick V Ramsey, Scott H Kozin, Dan A Zlotolow
PURPOSE: To identify the rate of and predictive variables for functionally limited shoulder internal rotation in postoperative patients with brachial plexus birth palsy. METHODS: Records of patients with brachial plexus birth palsy who had surgery on the affected upper extremity during a 10-year period were retrospectively reviewed. Patient demographics, physical examinations, and all upper extremity procedures were recorded. Loss of midline function (LOM) was defined as a Modified Mallet Scale or Active Movement Scale (AMS) internal rotation score <3...
December 6, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29223604/robot-assisted-retrohepatic-inferior-vena-cava-thrombectomy-first-or-second-porta-hepatis-as-an-important-boundary-landmark
#6
Baojun Wang, Hongzhao Li, Qingbo Huang, Kan Liu, Yang Fan, Cheng Peng, Liangyou Gu, Xintao Li, Gang Guo, Rong Liu, Minggen Hu, Guodong Zhao, Hongguang Wang, Fengyong Liu, Jiang Xiong, Xu Zhang, Xin Ma
BACKGROUND: Robot-assisted retrohepatic inferior vena cava (IVC) thrombectomy (RA-R-IVCTE) has been reported only for limited series. OBJECTIVE: To describe in detail the techniques for RA-R-IVCTE with regard to the relationship of a proximal thrombus to either the first porta hepatis (FPH) or second porta hepatis (SPH). DESIGN, SETTING, AND PARTICIPANTS: From May 2013 to July 2016, 22 patients with R-IVC tumor thrombi were admitted to our hospital...
December 6, 2017: European Urology
https://www.readbyqxmd.com/read/29223580/modeling-hiv-disease-progression-and-transmission-at-population-level-the-potential-impact-of-modifying-disease-progression-in-hiv-treatment-programs
#7
Jennifer M Ross, Roger Ying, Connie L Celum, Jared M Baeten, Katherine K Thomas, Pamela M Murnane, Heidi van Rooyen, James P Hughes, Ruanne V Barnabas
INTRODUCTION: Mathematical models that incorporate HIV disease progression dynamics can estimate the potential impact of strategies that delay HIV disease progression and reduce infectiousness for persons not on antiretroviral therapy (ART). Suppressive treatment of HIV-positive persons co-infected with herpes simplex virus-2 (HSV-2) with valacyclovir, an HSV-2 antiviral, can lower HIV viral load, but the impact of partially-suppressive valacyclovir relative to fully-suppressive ART on population HIV transmission has not been estimated...
December 5, 2017: Epidemics
https://www.readbyqxmd.com/read/29223482/reactor-performance-and-energy-analysis-of-solid-state-anaerobic-co-digestion-of-dairy-manure-with-corn-stover-and-tomato-residues
#8
Yangyang Li, Fuqing Xu, Yu Li, Jiaxin Lu, Shuyan Li, Ajay Shah, Xuehua Zhang, Hongyu Zhang, Xiaoyan Gong, Guoxue Li
Anaerobic co-digestion is commonly believed to be benefical for biogas production. However, additional of co-substrates may require additional energy inputs and thus affect the overall energy efficiency of the system. In this study, reactor performance and energy analysis of solid state anaerobic digestion (SS-AD) of tomato residues with dairy manure and corn stover were investigated. Different fractions of tomato residues (0, 20, 40, 60, 80 and 100%, based on volatile solid weight (VS)) were co-digested with dairy manure and corn stover at 15% total solids...
December 6, 2017: Waste Management
https://www.readbyqxmd.com/read/29223438/-bringing-on-the-light-in-a-complex-clinical-scenario-optical-coherence-tomography-guided-discontinuation-of-antiplatelet-therapy-in-cancer-patients-with-coronary-artery-disease-protect-oct-registry
#9
Cezar A Iliescu, Mehmet Cilingiroglu, Dana E Giza, Oscar Rosales, Jake Lebeau, Israel Guerrero-Mantilla, Juan Lopez-Mattei, Juhee Song, Guillherme Silva, Pranav Loyalka, Andre R M Paixao, Syed Wamique Yusuf, Emerson Perin, Vernon H Anderson, Konstantinos Marmagkiolis
BACKGROUND: Cancer patients with recently placed drug-eluting stents (DESs) often require premature dual antiplatelet therapy (DAPT) discontinuation for cancer-related procedures. Optical coherence tomography (OCT) can identify risk factors for stent thrombosis such as stent malapposition, incomplete strut coverage and in-stent restenosis and may help guide discontinuation of DAPT. METHODS: We conducted a single-center prospective study in cancer patients with recently placed (1-12 months) DES who required premature DAPT discontinuation...
December 2017: American Heart Journal
https://www.readbyqxmd.com/read/29222848/digital-image-analysis-agrees-with-visual-estimates-of-adult-bone-marrow-trephine-biopsy-cellularity
#10
A S Hagiya, A Etman, I N Siddiqi, S Cen, G R Matcuk, R K Brynes, M E Salama
INTRODUCTION: Evaluation of cellularity is an essential component of bone marrow trephine biopsy examination. The standard practice is to report the results as visual estimates (VE). Digital image analysis (DIA) offers the promise of more objective measurements of cellularity. METHODS: Adult bone marrow trephine biopsy sections were assessed for cellularity by VE. Sections were scanned using an Aperio AT2 Scanscope and analyzed using a Cytonuclear (version 1.4) algorithm on halo software...
December 9, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/29222846/influence-of-the-three-dimensional-culture-of-human-bone-marrow-mesenchymal-stromal-cells-within-a-macroporous-polysaccharides-scaffold-on-pannexin-1-and-pannexin-3
#11
Julien Guerrero, Hugo Oliveira, Rachida Aid, Reine Bareille, Robin Siadous, Didier Letourneur, Yong Mao, Joachim Kohn, Joëlle Amédée
Because cell interactions play a fundamental role for cell differentiation, we investigated the expression of Pannexin 1 and Pannexin 3 in human bone marrow mesenchymal stromal cells (HBMSCs) in a three-dimensional (3D) microenvironment provided by a polysaccharide-based macroporous scaffold. The pannexin (Panx) family consists of three members, Panx1, Panx2, and Panx3. The roles of pannexin large-pore ion and metabolite channels are recognized in many physiological and pathophysiological scenarios but the role of these proteins in human physiological processes is still under investigation...
December 9, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29222590/technical-accuracy-of-the-integration-of-an-external-ultrasonography-system-into-a-navigation-platform-effects-of-ultrasonography-probe-registration-and-target-detection
#12
Frederic A Wanis, Lars Wessels, Marcus H T Reinges, Eberhard Uhl, Andreas Jödicke
BACKGROUND: Intraoperative navigated ultrasonography has reached clinical acceptance, while published data for the accuracy of some systems are missing. We technically quantified and optimised the accuracy of the integration of an external ultrasonography system into a BrainLab navigation system. METHODS: A high-end ultrasonography system (Elegra; Siemens, Erlangen, Germany) was linked to a navigation system (Vector Vision; BrainLab, Munich, Germany). In vitro accuracy and precision was calculated from differences between a real world target (high-precision crosshair phantom) and the ultrasonography image of this target in the navigation coordinate system...
December 8, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29222433/the-evolution-of-phenotypic-plasticity-under-global-change
#13
Emma M Gibbin, Gloria Massamba N'Siala, Leela J Chakravarti, Michael D Jarrold, Piero Calosi
Marine ecosystems are currently in a state of flux, with ocean warming and acidification occurring at unprecedented rates. Phenotypic plasticity underpins acclimatory responses by shifting the mean phenotype in a population, which may buffer the negative effects of global change. However, little is known about how phenotypic plasticity evolves across multiple generations. We tested this by reciprocally-transplanting the polychaete Ophryotrocha labronica between control and global change scenarios (ocean warming and acidification in isolation and combined) over five generations...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29222288/cardiovascular-complications-in-patients-with-sickle-cell-disease
#14
REVIEW
Mark T Gladwin
Sickle cell disease (SCD) is an autosomal recessive disease in which homozygosity for a single point mutation in the gene encoding the β-globin chain produces hemoglobin S molecules that polymerize within the erythrocyte during deoxygenation; the result is sustained hemolytic anemia and vaso-occlusive events. As patients live to adulthood, the chronic impact of sustained hemolytic anemia and episodic vaso-occlusive episodes leads to progressive end-organ complications. This scenario culminates in the development of 1 or more major cardiovascular complications of SCD for which there are no approved or consensus therapies...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222283/hereditary-thrombocytopenias-a-growing-list-of-disorders
#15
REVIEW
Patrizia Noris, Alessandro Pecci
The introduction of high throughput sequencing (HTS) techniques greatly improved the knowledge of inherited thrombocytopenias (ITs) over the last few years. A total of 33 different forms caused by molecular defects affecting at least 32 genes have been identified; along with the discovery of new disease-causing genes, pathogenetic mechanisms of thrombocytopenia have been better elucidated. Although the clinical picture of ITs is heterogeneous, bleeding has been long considered the major clinical problem for patients with IT...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222251/preventing-venous-thromboembolism-during-pregnancy-and-postpartum-crossing-the-threshold
#16
REVIEW
Leslie Skeith
When should a patient with a known thrombophilia or prior venous thromboembolism (VTE) receive low-molecular-weight heparin (LMWH) prophylaxis during pregnancy and/or the postpartum period? Accurately predicting thrombotic and bleeding risks and knowing what to do with this information is at the heart of decision-making in these challenging scenarios. This article will explore the concept of a risk threshold from clinician and patient perspectives and provide guidance for the use of antepartum and postpartum LMWH prophylaxis in women with a known thrombophilia or prior VTE...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29221892/coevolution-of-nonlinear-group-interactions-and-strategies-in-well-mixed-and-structured-populations
#17
Lei Zhou, Aming Li, Long Wang
In microbial populations and human societies, the rule of nonlinear group interactions strongly affects the intraspecific evolutionary dynamics, which leads to the variation of the strategy composition eventually. The consequence of such variation may retroact to the rule of the interactions. This correlation indicates that the rule of nonlinear group interactions may coevolve with individuals' strategies. Here, we develop a model to investigate such coevolution in both well-mixed and structured populations...
December 5, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/29221857/review-of-simulation-training-in-interventional-radiology
#18
REVIEW
Souzan Mirza, Sriharsha Athreya
Simulation training has evolved and is now able to offer numerous training opportunities to supplement the practice of and overcome some of the shortcomings of the traditional Master-Apprentice model currently used in medical training. Simulation training provides new opportunities to practice skills used in clinical procedures, crisis management scenarios, and everyday clinical practice in a risk-free environment. Procedural and nonprocedural skills used in interventional radiology can be taught with the use of simulation devices and technologies...
December 5, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29221840/a-multicenter-study-of-irrigation-and-debridement-in-total-knee-arthroplasty-periprosthetic-joint-infection-treatment-failure-is-high
#19
Kenneth L Urish, Andrew G Bullock, Alexander M Kreger, Neel B Shah, Kwonho Jeong, Scott D Rothenberger
BACKGROUND: In total knee arthroplasty (TKA) periprosthetic joint infection (PJI), irrigation and debridement (I&D) with component retention is a treatment option with a wide variation in reported failure rates. The purpose of this study was to determine failure rates, outcomes, and factors that predict failure in I&D for TKA PJI. METHODS: A multicenter observational study of patients with a TKA PJI and subsequently undergoing an I&D with retention of components was conducted...
November 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29221619/economic-susceptibility-of-fire-prone-landscapes-in-natural-protected-areas-of-the-southern-andean-range
#20
Juan Ramón Molina, Roberto Moreno, Miguel Castillo, Francisco Rodríguez Y Silva
Large fires are the most important disturbances at landscape-level due to their ecological and socioeconomic impacts. This study aimed to develop an approach for the assessment of the socio-economic landscape susceptibility to fire. Our methodology focuses on the integration of economic components of landscape management based on contingent valuation method (CVM) and net-value change (NVC). This former component has been estimated using depreciation rates or changes on the number of arrivals to different natural protected areas after a large fire occurrence...
December 5, 2017: Science of the Total Environment
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