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https://www.readbyqxmd.com/read/28637138/psychometric-properties-of-persian-version-of-the-caregiver-burden-scale-in-iranian-caregivers-of-patients-with-spinal-cord-injury
#1
Ata Farajzadeh, Malahat Akbarfahimi, Saman Maroufizadeh, Hamid Reza Rostami, Amir Hassan Kohan
PURPOSE: To investigate the psychometric properties of the Persian version of Caregiver Burden Scale (CBS) in caregivers of patients with spinal cord injury. METHODS: This is a cross-sectional study. After a forward-backward translation, the CBS was administered to 110 caregivers of patients with spinal cord injury (men = 60, women = 50). Factor structure was evaluated by confirmatory factor analysis. The Internal consistency and test-retest reliability of the CBS were examined using Cronbach's α and the intraclass correlation coefficient, respectively...
February 21, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28632688/high-quality-3-dimensional-1h-magnetic-resonance-spectroscopic-imaging-of-the-prostate-without-endorectal-receive-coil-using-a-semi-laser-sequence
#2
Nassim Tayari, Isabell K Steinseifer, Kirsten M Selnæs, Tone F Bathen, Marnix C Maas, Arend Heerschap
OBJECTIVES: Inclusion of 3-dimensional H magnetic resonance spectroscopic imaging (3D-H-MRSI) in routine multiparametric MRI of the prostate requires good quality spectra and easy interpretable metabolite maps of the whole organ obtained without endorectal coil in clinically feasible acquisition times. We evaluated if a semi-LASER pulse sequence with gradient offset independent adiabaticity refocusing pulses (GOIA-sLASER) for volume selection can meet these requirements. MATERIALS AND METHODS: Thirteen patients with suspicion of prostate cancer and 1 patient known to have prostate cancer were examined at 3 T with a multichannel body-receive coil...
June 19, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28630493/simultaneous-extraction-of-density-of-states-width-carrier-mobility-and-injection-barriers-in-organic-semiconductors
#3
Pasquale Claudio Africa, Carlo de Falco, Francesco Maddalena, Mario Caironi, Dario Natali
The predictive accuracy of state-of-the-art continuum models for charge transport in organic semiconductors is highly dependent on the accurate tuning of a set of parameters whose values cannot be effectively estimated either by direct measurements or by first principles. Fitting the complete set of model parameters at once to experimental data requires to set up extremely complex multi-objective optimization problems whose solution is, on the one hand, overwhelmingly computationally expensive and, on the other, it provides no guarantee of the physical soundness of the value obtained for each individual parameter...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28626450/microbial-phosphorus-solubilization-and-its-potential-for-use-in-sustainable-agriculture
#4
REVIEW
Elizabeth T Alori, Bernard R Glick, Olubukola O Babalola
The use of excess conventional Phosphorus (P) fertilizers to improve agricultural productivity, in order to meet constantly increasing global food demand, potentially causes surface and ground water pollution, waterway eutrophication, soil fertility depletion, and accumulation of toxic elements such as high concentration of selenium (Se), arsenic (As) in the soil. Quite a number of soil microorganisms are capable of solubilizing/mineralizing insoluble soil phosphate to release soluble P and making it available to plants...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28618661/probabilistic-quantitative-microbial-risk-assessment-model-of-norovirus-from-wastewater-irrigated-vegetables-in-ghana-using-genome-copies-and-fecal-indicator-ratio-conversion-for-estimating-exposure-dose
#5
Emmanuel de-Graft Johnson Owusu-Ansah, Angelina Sampson, Samuel K Amponsah, Robert C Abaidoo, Anders Dalsgaard, Tine Hald
The need to replace the commonly applied fecal indicator conversions ratio (an assumption of 1:10(-5) virus to fecal indicator organism) in Quantitative Microbial Risk Assessment (QMRA) with models based on quantitative data on the virus of interest has gained prominence due to the different physical and environmental factors that might influence the reliability of using indicator organisms in microbial risk assessment. The challenges facing analytical studies on virus enumeration (genome copies or particles) have contributed to the already existing lack of data in QMRA modelling...
June 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28617285/assessment-of-the-technological-reliability-of-a-hybrid-constructed-wetland-for-wastewater-treatment-in-a-mountain-eco-tourist-farm-in-poland
#6
Andrzej Jucherski, Maria Nastawny, Andrzej Walczowski, Krzysztof Jóźwiakowski, Magdalena Gajewska
The aim of the present study was to assess the technological reliability of a domestic hybrid wastewater treatment installation consisting of a classic three-chambered (volume 6 m(3)) septic tank, a vertical flow trickling bed filled with granules of a calcinated clay material (KERAMZYT), a special wetland bed constructed on a slope, and a permeable pond used as a receiver. The test treatment plant was located at a mountain eco-tourist farm on the periphery of the spa municipality of Krynica-Zdrój, Poland...
June 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28614947/catalytic-oxidation-of-chlorobenzene-over-mnxce1-xo2-hzsm-5-catalysts-a-study-with-practical-implications
#7
Xiaole Weng, Pengfei Sun, Yu Long, Qingjie Meng, Zhongbiao Wu
Industrial-use catalysts usually encounter severe deactivation after long-term operation for catalytic oxidation of chlorinate volatile organic compounds (CVOCs), which becomes a "bottleneck" for large-scale application of catalytic combustion technology. In this work, typical acidic solid-supported catalysts of MnxCe1-xO2/HZSM-5 were investigated for the catalytic oxidation of chlorobenzene (CB). The activation energy (Ea), Brønsted and Lewis acidities, CB adsorption and activation behaviors, long-term stabilities, and surficial accumulation compounds (after ageing) were studied using a range of analytical techniques, including XPS, H2-TPR, pyridine-IR, DRIFT, and O2-TP-Ms...
June 14, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28613830/photocatalysis-based-nanoprobes-using-noble-metal-semiconductor-heterostructure-for-visible-light-driven-in-vivo-detection-of-mercury
#8
Lihua Zhi, Xiaofan Zeng, Hao Wang, Jun Hai, Xiangliang Yang, Baodui Wang, Yanhong Zhu
The development of sensitive and reliable methods to monitor the presence of mercuric ions in cells and organisms is of great importance to biological research and biomedical applications. In this work, we propose a strategy to construct a solar-driven nanoprobe using a 3D Au@MoS2 heterostructure as a photocatalyst and rhodamine B (RhB) as a fluorescent and color change reporter molecule for monitoring Hg2+ in living cells and animals. The sensing mechanism is based on the photoinduced electron formation of gold amalgam in the 3D Au@MoS2 heterostructure under visible light illumination...
June 14, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28612929/flexible-organic-inorganic-hybrid-near-infrared-photoplethysmogram-sensor-for-cardiovascular-monitoring
#9
Huihua Xu, Jing Liu, Jie Zhang, Guodong Zhou, Ningqi Luo, Ni Zhao
Wearable photoplethysmogram (PPG) sensors offer convenient and informative measurements for evaluating daily physiological states of individuals. In this work, epidermal and flexible near-infrared (NIR) PPG sensors integrating a low-power, high-sensitivity organic phototransistor (OPT) with a high-efficiency inorganic light-emitting diode are developed. By exploiting an organic bulk heterojunction active layer and a bilayer gate dielectric design, a low voltage (<3 V) operated OPT with NIR responsivity as high as 3...
June 14, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28612646/impact-assessment-on-patients-satisfaction-and-healthcare-professionals-commitment-of-software-supporting-directly-observed-treatment-short-course-a-protocol-proposal
#10
Rui Pedro Charters Lopes Rijo, Nathalia Yukie Crepaldi, Fernanda Bergamini, Lídia Maria Lourençon Rodrigues, Inácia Bezerra de Lima, Gleici da Silva Castro Perdoná, Domingos Alves
Doctors, nurses, and other healthcare professionals use software that affects the patients. Directly Observed Treatment, Short-course is the name given to the tuberculosis control strategy recommended by the World Health Organization. The main goal of this work is to propose a protocol for evaluating the impact of healthcare software supporting Directly Observed Treatment, Short-course on patients, healthcare professionals, and services. The proposed protocol consists of a set of instruments and steps. The instruments are reliable and validated existing questionnaires to be applied before and after using the software tool...
June 1, 2017: Health Informatics Journal
https://www.readbyqxmd.com/read/28605645/novel-in-vivo-experimental-viability-assays-with-high-sensitivity-and-throughput-capacity-using-a-bdelloid-rotifer
#11
Zita Olah, Ashley I Bush, David Aleksza, Bence Galik, Eszter Ivitz, Lilla Macsai, Zoltan Janka, Zoltan Karman, Janos Kalman, Zsolt Datki
Rotifers have been used in biological research as well-characterized models of aging. Their multi-organ characters and their sensitivity for chemicals and environmental changes make them useful as in vivo toxicological and lifespan models. Our aim was to create a bdelloid rotifer model to use in high-throughput viability and non-invasive assays. In order to identify our species Philodina acuticornis odiosa (PA), 18S rDNA-based phylogenetic analysis was carried out and their species-specific morphological markers identified...
June 9, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28601014/dissolved-organic-nitrogen-recalcitrance-and-bioavailable-nitrogen-quantification-for-effluents-from-advanced-nitrogen-removal-wastewater-treatment-facilities
#12
Lu Fan, Michael T Brett, Wenju Jiang, Bo Li
The objective of this study was to determine the composition of nitrogen (N) in the effluents of advanced N removal (ANR) wastewater treatment plants (WWTPs). This study also tested two different experimental protocols for determining dissolved N recalcitrance. An analysis of 15 effluent samples from five WWTPs, showed effluent concentrations and especially effluent composition varied greatly from one system to the other, with total nitrogen (TN) ranging between 1.05 and 8.10 mg L(-1). Nitrate (NO3(-)) accounted for between 38 ± 32% of TN, and ammonium accounted for a further 29 ± 28%...
June 7, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28595063/motivations-for-volunteers-in-food-rescue-nutrition
#13
T Y Mousa, J H Freeland-Graves
OBJECTIVE: A variety of organizations redistribute surplus food to low-income populations through food rescue nutrition. Why volunteers participate in these charitable organizations is unclear. The aim of this study is to document the participation and motivations of volunteers who are involved specifically in food rescue nutrition. STUDY DESIGN: A cross-sectional study was conducted in two phases. METHODS: In phase 1, a new instrument, Motivations to Volunteer Scale, was developed and validated in 40 participants (aged ≥18 years)...
June 5, 2017: Public Health
https://www.readbyqxmd.com/read/28594533/implementation-of-teamstepps-in-orthopaedic-surgery
#14
Harpal S Khanuja, Zan A Naseer, Lynne C Jones, James R Ficke, Dwight W Burney Iii
An Institute of Medicine report published in 2000 brought attention to the devastating consequences of medical errors. The report estimated that 98,000 deaths occurred in US hospitals each year as a result of medical errors and spawned investigations into factors that are associated with medical errors as well as strategies to avoid them. Taking cues from high-reliability organizations, such as the airline industry, evidence-based tools were developed to minimize human risk factors and foster teamwork, communication, and other skills that are essential to patient safety and quality...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28592171/next-generation-human-skin-constructs-as-advanced-tools-for-drug-development
#15
H E Abaci, Zongyou Guo, Yanne Doucet, Joanna Jacków, Angela Christiano
Many diseases, as well as side effects of drugs, manifest themselves through skin symptoms. Skin is a complex tissue that hosts various specialized cell types and performs many roles including physical barrier, immune and sensory functions. Therefore, modeling skin in vitro presents technical challenges for tissue engineering. Since the first attempts at engineering human epidermis in 1970s, there has been a growing interest in generating full-thickness skin constructs mimicking physiological functions by incorporating various skin components, such as vasculature and melanocytes for pigmentation...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28586155/one-pot-preparation-of-an-organic-polymer-monolith-by-thiol-ene-click-chemistry-for-capillary-electrochromatography
#16
Jiannan Wang, Shufen Shen, Xin Lu, Fanggui Ye
A novel organic monolith was successfully fabricated by a one pot thiol-ene click reaction of triallyl isocyanurate with pentaerythritol tetrakis-(2-mercaptoacetate) and mercaptopropionic acid in the presence of porogens. We investigated the effects of the ratio of monomer and crosslinking agent, the type and ratio of porogen and click reaction temperature on the permeability and morphology of the prepared poly triallyl isocyanurate-co-pentaerythritol tetrakis (2-mercaptoacetate) monoliths. The monolith was also characterized by scanning electron microscopy and Fourier transform infrared spectroscopy...
June 6, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28586106/sonographic-measurement-of-cervical-volume-in-pregnant-women-at-high-risk-of-preterm-birth-using-a-geometric-formula-for-a-frustum-versus-3-dimensional-automated-virtual-organ-computer-aided-analysis
#17
Ahmed I Ahmed, Sarah R Aldhaheri, Javier Rodriguez-Kovacs, Deepa Narasimhulu, Manesha Putra, Howard Minkoff, Shoshana Haberman
OBJECTIVES: To compare cervical volume measurements by 3-dimensional (3D) sonography using Virtual Organ computer-aided analysis (VOCAL; GE Healthcare, Milwaukee, WI) versus a manual method using a geometric formula for a frustum. METHODS: We included 142 asymptomatic pregnant women at 16 to 24 weeks gestation at high risk for preterm birth. With a Voluson 730 Expert system (GE Healthcare), they underwent 2-dimensional (2D) transvaginal sonographic cervical length measurements and 3D cervical volume acquisition...
June 6, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28585812/flexible-transparent-conductive-films-with-high-performance-and-reliability-using-hybrid-structures-of-continuous-metal-nanofiber-networks-for-flexible-optoelectronics
#18
Juyoung Park, Byung Gwan Hyun, Byeong Wan An, Hyeon-Gyun Im, Young-Geun Park, Junho Jang, Jang-Ung Park, Byeong-Soo Bae
We report an Ag nanofiber-embedded glass-fabric reinforced hybrimer (AgNF-GFRHybrimer) composite film as a reliable and high-performance flexible transparent conducting film. The continuous AgNF network provides superior optoelectronic properties of the composite film by minimizing transmission loss and junction resistance. In addition, the excellent thermal/chemical stability and mechanical durability of the GFRHybrimer matrix provides enhanced mechanical durability and reliability of the final AgNF-GFRHybrimer composite film...
June 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28585730/recommendations-for-the-derivation-and-use-of-biota-sediment-bioaccumulation-models-for-carcinogenic-pahs
#19
Suzanne Replinger, Shannon Katka, John Toll, Brian Church, Lisa Saban
Carcinogenic polycyclic aromatic hydrocarbons (cPAHs) are important sediment contaminants that can pose health risks to people who eat shellfish from contaminated sites. Biota-sediment accumulation factors (BSAFs) are quotients of co-located lipid-normalized tissue concentrations and organic carbon (OC)-normalized sediment concentrations, while biota-sediment accumulation regressions (BSARs) are models describing the relationships between these tissue and sediment concentrations. BSAR/Fs are commonly used to back-calculate sediment preliminary remediation goals (PRGs) from target tissue concentrations; the PRGs are then used to set target action levels (i...
June 6, 2017: Integrated Environmental Assessment and Management
https://www.readbyqxmd.com/read/28578848/study-on-pharmacokinetics-and-bioequivalence-of-vonoprazan-pyroglutamate-in-rats-by-liquid-chromatography-with-tandem-mass-spectrometry
#20
Yuan Qiao, Jun Zhao, Xuanfeng Yue, Yang Zhang, Ruitao Zhang, Yuan Xu, Xiuling Tang, Xueying Liu, Qingwei Wang
Vonoprazan Fumarate (TAK-438F) is a new and effective drug approved in Japan in 2014 for treatment and prevention of acid-related diseases (ARDs), which exhibits many advantages compared with traditional proton-pump inhibitors (PPIs). However, the clinical applications of TAK0-438F suffers limitation due to the lack of injection dosage form. Efforts to overcome this limitation lead to the systhesis of Vonoprazan pyroglutamate (TAK-438P) for its high water solubility and more potent antisecretory effect. This was the first report to establish and validate a reliable and sensitive LC-MS/MS method for the quantification of TAK-438P in rat plasma and tissues (heart, liver, spleen, liver, kidney, rain, stomach and small intestine)...
August 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
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