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https://www.readbyqxmd.com/read/27911491/integrating-reverse-electrodialysis-stacks-with-flow-batteries-to-achieve-improved-energy-recovery-from-salinity-gradients-and-energy-storage
#1
Xiuping Zhu, Taeyoung Kim, Mohammad Rahimi, Christopher Gorski, Bruce Logan
Salinity gradient energy can be directly converted to electrical power using reverse electrodialysis (RED) and other technologies, but reported power densities have been too low for practical applications. Here, the RED stack performance was improved by using 2,6-dihydroxyanthraquinone and ferrocyanide as redox couples. These electrolytes were then used in a flow battery, to produce an integrated RED stack and flow battery (RED-FB) system capable of capturing, storing, and discharging salinity gradient energy...
December 1, 2016: ChemSusChem
https://www.readbyqxmd.com/read/27911394/confirmation-of-myocardial-ischemia-and-reperfusion-injury-in-mice-using-surface-pad-electrocardiography
#2
Stephanie L C Scofield, Krishna Singh
Many animal models have been established for the study of myocardial remodeling and heart failure due to its status as the number one cause of mortality worldwide. In humans, a pathologic occlusion forms in a coronary artery and reperfusion of that occluded artery is considered essential to maintain viability of the myocardium at risk. Although essential for myocardial recovery, reperfusion of the ischemic myocardium creates its own tissue injury. The physiologic response and healing of an ischemia/reperfusion injury is different from a chronic occlusion injury...
November 24, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911360/development-of-a-more-sensitive-and-specific-chromogenic-agar-medium-for-the-detection-of-vibrio-parahaemolyticus-and-other-vibrio-species
#3
Marie Yeung, Trevor Thorsen
Foodborne infections in the US caused by Vibrio species have shown an upward trend. In the genus Vibrio, V. parahaemolyticus is responsible for the majority of Vibrio-associated infections. Thus, accurate differentiation among Vibrio spp. and detection of V. parahaemolyticus is critically important to ensure the safety of our food supply. Although molecular techniques are increasingly common, culture-depending methods are still routinely done and they are considered standard methods in certain circumstances...
November 8, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911299/chronotropic-response-and-cognitive-function-in-a-cohort-at-risk-for%C3%A2-alzheimer-s-disease
#4
Lena L Law, Stephanie A Schultz, Elizabeth A Boots, Jean A Einerson, Ryan J Dougherty, Jennifer M Oh, Claudia E Korcarz, Dorothy F Edwards, Rebecca L Koscik, N Maritza Dowling, Catherine L Gallagher, Barbara B Bendlin, Cynthia M Carlsson, Sanjay Asthana, Bruce P Hermann, Mark A Sager, Sterling C Johnson, Dane B Cook, James H Stein, Ozioma C Okonkwo
The objective of this study was to examine the association of chronotropic response (CR) and heart rate (HR) recovery- two indices of cardiovascular function within the context of a graded exercise test- with cognitive performance in a cognitively healthy, late-middle-aged cohort at risk for Alzheimer's disease (AD). Ninety participants (age = 63.52±5.86 years; 65.6% female) from the Wisconsin Registry for Alzheimer's Prevention participated in this study. They underwent graded exercise testing and a comprehensive neuropsychological assessment that assessed the following four cognitive domains: Immediate Memory, Verbal & Learning Memory, Working Memory, and Speed & Flexibility...
December 1, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911021/a-rapid-and-simple-liquid-chromatography-tandem-mass-spectrometry-method-for-the-measurement-of-testosterone-androstenedione-and-dehydroepiandrosterone-in-human-serum
#5
Wenjuan Xu, Huijun Li, Qing Guan, Ying Shen, Liming Cheng
BACKGROUND: The assay of androgens plays an important role for the differential diagnosis of androgen-related endocrine diseases. We developed a rapid and simple liquid chromatography tandem mass spectrometry (LC-MS/MS) method with small sample volume and simple sample preparation for simultaneous determination of serum testosterone, androstenedione and dehydroepiandrosterone (DHEA) in adults. METHODS: We spiked 100 μL of serum with 200 μL of internal standard solution, which was prepared in methanol, for matrix effect relief and protein precipitation...
December 2, 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27910802/near-infrared-spectroscopy-evaluated-cerebral-oxygenation-during-anesthesia
#6
Henrik Sørensen
Likely, maintained organ and notably cerebral perfusion, secures rapid recovery following anesthesia. To secure cerebral blood flow (CBF) at least mean arterial pressure (MAP) and the arterial carbon dioxide tension (PaCO2) need to be considered. CBF is "autoregulated", i.e. stays more or less stable within a MAP of 50-150 mmHg, but the lower limit appears to depend on the central blood volume and/or cardiac output, illustrated by a decrease in CBF at a MAP of 80 mmHg with a compromised central blood volume, while CBF remains constant with a MAP < 40 mmHg, if the central blood volume is maintained...
December 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27910716/persistent-amenorrhea-and-decreased-dheas-to-cortisol-ratio-after-recovery-from-anorexia-nervosa
#7
Alessandra Andrisani, Chiara Sabbadin, Silvia Minardi, Angela Favaro, Gabriella Donà, Luciana Bordin, Guido Ambrosini, Decio Armanini
Persistent amenorrhea is a frequent condition affecting anorexic patients after stable weight recovery. It has been proposed that it could be due to alterations of the hypothalamic-pituitary-gonadal axis linked with persistent hormonal impairments, such as relative hypercortisolemia and hypoleptinemia, and psychological symptoms related to anorexia nervosa (AN). The aim of our study was to evaluate the metabolic and hormonal pattern involved in the persistence of amenorrhea after recovery from AN. Eight weight-recovered anorexic patients with amenorrhea were investigated and matched with 10 healthy eumenorrhoic women, comparable for age and BMI...
December 2, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27910465/accelerated-reconstruction-of-electrical-impedance-tomography-images-via-patch-based-sparse-representation
#8
Qi Wang, Zhijie Lian, Jianming Wang, Qingliang Chen, Yukuan Sun, Xiuyan Li, Xiaojie Duan, Ziqiang Cui, Huaxiang Wang
Electrical impedance tomography (EIT) reconstruction is a nonlinear and ill-posed problem. Exact reconstruction of an EIT image inverts a high dimensional mathematical model to calculate the conductivity field, which causes significant problems regarding that the computational complexity will reduce the achievable frame rate, which is considered as a major advantage of EIT imaging. The single-step method, state estimation method, and projection method were always used to accelerate reconstruction process. The basic principle of these methods is to reduce computational complexity...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910446/self-calibration-method-of-the-bias-of-a-space-electrostatic-accelerometer
#9
Shao-Bo Qu, Xiao-Mei Xia, Yan-Zheng Bai, Shu-Chao Wu, Ze-Bing Zhou
The high precision space electrostatic accelerometer is an instrument to measure the non-gravitational forces acting on a spacecraft. It is one of the key payloads for satellite gravity measurements and space fundamental physics experiments. The measurement error of the accelerometer directly affects the precision of gravity field recovery for the earth. This paper analyzes the sources of the bias according to the operating principle and structural constitution of the space electrostatic accelerometer. Models of bias due to the asymmetry of the displacement sensing system, including the mechanical sensor head and the capacitance sensing circuit, and the asymmetry of the feedback control actuator circuit are described separately...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910255/dysphagia-is-associated-with-functional-decline-during-acute-care-hospitalization-of-older-patients
#10
Haruyo Matsuo, Yoshihiro Yoshimura, Naoki Ishizaki, Tsuyoshi Ueno
AIM: Physical function is considered to be associated with dysphagia: however, there is little data regarding the association between dysphagia and functional decline during hospitalization among older patients. The aim of the present study was to investigate the prevalence of dysphagia, and the association between dysphagia and functional status during hospitalization in older acute-care patients. METHODS: A total of 103 older patients without present or prior history of diseases that could directly impair swallowing and cause dysphagia (45 men and 58 women; mean age 80...
December 1, 2016: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/27910226/successful-treatment-of-post-dural-puncture-headache-using-epidural-fibrin-glue-patch-after-persistent-failure-of-epidural-blood-patches
#11
Kevin Wong, Brian R Monroe
OBJECTIVES: Epidural blood patch is the gold standard for the treatment of post-dural puncture headache (PDPH) when conservative treatments have failed to provide any relief. However, alternative therapies are lacking when epidural blood patch persistently fails to improve symptoms. Failure to treat PDPH may lead to significant functional impairment of daily living. Alternative therapies should be sought to accelerate recovery from PDPH. CASE REPORT: This case describes a woman who developed PDPH secondary to accidental dural puncture during a spinal cord stimulator trial...
December 2, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27910160/the-experiences-of-fathers-when-their-partners-are-admitted-with-their-infants-to-a-psychiatric-mother-and-baby-unit
#12
Holly Reid, Angelika Wieck, Andrew Matrunola, Anja Wittkowski
: Mothers with severe post-natal mental illness can be admitted with their infant to a psychiatric mother and baby unit (MBU) in the UK. MBUs provide specialist assessment, management and support. Partners of women admitted to MBUs are integral to their recovery but may show reduced wellbeing themselves, yet their support needs have not been investigated. This study aimed to identify how fathers experience the MBU and how they felt supported. A qualitative design was adopted by using a purposive sample of 17 fathers, recruited from a MBU during their partner's admission...
December 2, 2016: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/27910132/a-simple-method-for-preparation-of-pure-68-ga-acetate-precursor-for-formulation-of-radiopharmaceuticals-physicochemical-characteristics-of-the-68-ga-eluate-of-the-sno2-based-68-ge-68-ga-column-generator
#13
Sankha Chattopadhyay, Md Neyar Alam, Madhu Smita, Umesh Kumar, Sujata Saha Das, Luna Barua
Gallium-68 radioisotope is an excellent source in clinical positron emission tomography application due to its ease of availability from germanium-68 ((68) Ge)/gallium-68 ((68) Ga) generator having a shelf life of 1 year. In this paper, a modified method for purification of the primary eluate of (68) Ge-(68) Ga generator by using a small cation exchange resin (Dowex-50) column has been described. The breakthrough of (68) Ge before and after purification of (68) Ga eluate was 0.014% and 0.00027%, respectively...
December 1, 2016: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/27910089/bilateral-endolymphatic-hydrops-in-a-patient-with-migraine-variant-without-vertigo-a-case-report
#14
Isabelle Y Liu, Akira Ishiyama, Ali R Sepahdari, Kevin Johnson, Gail Ishiyama
OBJECTIVE: To use modern high-resolution inner ear imaging modalities to evaluate for endolymphatic hydrops (EH) in a patient with migraine-associated fluctuating hearing loss without vertigo spells or dizziness. BACKGROUND: EH has been well described in patients with Meniere's disease on both human temporal bone studies and modern high-resolution imaging; however, there is no study to date, to our knowledge, that examines the presence of EH in a patient with migraine and bilateral hearing loss...
December 2, 2016: Headache
https://www.readbyqxmd.com/read/27910084/levosimendan-accelerates-recovery-in-patients-with-takotsubo-cardiomyopathy
#15
Mehmet Yaman, Ugur Arslan, Ahmet Kaya, Aytac Akyol, Fatih Ozturk, Yunus Emre Okudan, Adil Bayramoglu, Osman Bektas
BACKGROUND: The aim of this study was to determine the efficacy and safety of levosimendan in takotsubo cardiomyopathy (TC). METHODS: The study was conducted in a retrospective design and 42 consecutive patients were enrolled in 6 cardiovascular centers in Turkey. The records of TC patients having left ventricular ejection fraction (LVEF) ≤ 35% were examined at admission, discharge and recovery period including their clinical and echocardiographic data were recorded...
December 2, 2016: Cardiology Journal
https://www.readbyqxmd.com/read/27910074/evolutional-characterization-of-photochemically-induced-stroke-in-rats-a-multimodality-imaging-and-molecular-biological-study
#16
Nai-Wei Liu, Chien-Chih Ke, Yonghua Zhao, Yi-An Chen, Kim-Chuan Chan, David Tat-Wei Tan, Jhih-Shian Lee, You-Yin Chen, Tun-Wei Hsu, Ya-Ju Hsieh, Chi-Wei Chang, Bang-Hung Yang, Wen-Sheng Huang, Ren-Shyan Liu
Photochemically induced cerebral ischemia is an easy-manipulated, reproducible, relatively noninvasive, and lesion controllable model for translational study of ischemic stroke. In order to longitudinally investigate the characterization of the model, magnetic resonance imaging, (18)F-2-deoxy-glucose positron emission tomography, fluorescence, and bioluminescence imaging system were performed in correlation with triphenyl tetrazolium chloride (TTC), hematoxylin-eosin staining, and immunohistochemistry examinations of glial fibrillary acidic protein, CD68, NeuN, von willebrand factor, and α-smooth muscle actin in the infarct zone...
December 1, 2016: Translational Stroke Research
https://www.readbyqxmd.com/read/27909976/erratum-to-regulation-of-caveolin-1-and-junction-proteins-by-bfgf-contributes-to-the-integrity-of-blood-spinal-cord-barrier-and-functional-recovery
#17
Li-Bing Ye, Xi-Chong Yu, Qing-Hai Xia, Ying Yang, Da-Qing Chen, Fenzan Wu, Xiao-Jie Wei, Xie Zhang, Bin-Bin Zheng, Xiao-Bing Fu, Hua-Zi Xu, Xiao-Kun Li, Jian Xiao, Hong-Yu Zhang
No abstract text is available yet for this article.
December 1, 2016: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/27909939/a-novel-fuzzy-approach-for-automatic-brunnstrom-stage-classification-using-surface-electromyography
#18
Luca Liparulo, Zhe Zhang, Massimo Panella, Xudong Gu, Qiang Fang
Clinical assessment plays a major role in post-stroke rehabilitation programs for evaluating impairment level and tracking recovery progress. Conventionally, this process is manually performed by clinicians using chart-based ordinal scales which can be both subjective and inefficient. In this paper, a novel approach based on fuzzy logic is proposed which automatically evaluates stroke patients' impairment level using single-channel surface electromyography (sEMG) signals and generates objective classification results based on the widely used Brunnstrom stages of recovery...
December 1, 2016: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/27909916/effects-of-different-fluences-of-low-level-laser-therapy-in-an-experimental-model-of-spinal-cord-injury-in-rats
#19
Suellen Veronez, Lívia Assis, Paula Del Campo, Flávia de Oliveira, Gláucia de Castro, Ana Claudia Muniz Renno, Carla Christina Medalha
The aim of this study was to evaluate the in vivo response of different fluences of low-level laser therapy (LLLT) on the area of the injury, inflammatory markers, and functional recovery using an experimental model of traumatic spinal cord injury (SCI). Thirty two rats were randomly divided into four experimental groups: control group (CG), laser-treated group 500 J/cm(2) (L-500), laser-treated group 750 J/cm(2) (L-750), and laser-treated group 1000 J/cm(2) (L-1000). SCI was performed by an impactor equipment (between the ninth and tenth thoracic vertebrae), with a pressure of 150 kdyn...
December 1, 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27909826/profile-and-determinants-of-disability-in-psychotic-disorders-in-nigeria
#20
Victor Olufolahan Lasebikan, Olatunde Ayinde
We compared profile and predictors of disability among 210 patients with schizophrenia, schizoaffective disorder, bipolar I disorder with psychosis and depression with psychosis, respectively in a Nigerian clinical population, using the WHO Disability Assessment Schedule, (2.0). Severity of psychosis was determined with Positive and Negative Symptoms Scale, functioning was assessed using the Global Assessment of Functioning Scale, medication adherence with the Medication Adherence Questionnaire. Analyses were by SPSS 20...
December 1, 2016: Community Mental Health Journal
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