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https://www.readbyqxmd.com/read/28822336/cesium-sorption-reversibility-and-kinetics-on-illite-montmorillonite-and-kaolinite
#1
Chad B Durrant, James D Begg, Annie B Kersting, Mavrik Zavarin
Understanding sorption and desorption processes is essential to predicting the mobility of radionuclides in the environment. We investigate adsorption/desorption of cesium in both binary (Cs+one mineral) and ternary (Cs+two minerals) experiments to study component additivity and sorption reversibility over long time periods (500days). Binary Cs sorption experiments were performed with illite, montmorillonite, and kaolinite in a 5mM NaCl/0.7mM NaHCO3 solution (pH8) and Cs concentration range of 10(-3) to 10(-11)M...
August 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822328/the-effects-of-haptic-input-on-biomechanical-and-neurophysiological-parameters-of-walking-a-scoping-review
#2
REVIEW
Alison R Oates, Laura Hauck, Renato Moraes, Kathryn M Sibley
Walking is an important component of daily life requiring sensorimotor integration to be successful. Adding haptic input via light touch or anchors has been shown to improve standing balance; however, the effect of adding haptic input on walking is not clear. This scoping review systematically summarizes the current evidence regarding the addition of haptic input on walking in adults. Following an established protocol, relevant studies were identified using indexed data bases (Medline, EMBASE, PsychINFO, Google Scholar) and hand searches of published review articles on related topics...
August 9, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28822321/neurostimulation-techniques-in-the-treatment-of-cocaine-dependence-a-review-of-the-literature
#3
REVIEW
Fady Rachid
OBJECTIVE: Cocaine use disorder is a very common condition that represents a substantial public health problem, and no effective pharmacological or psychological therapies have been identified to date. Urgent therapeutic alternatives are therefore needed such as neurostimulation techniques. The purpose of this review is to describe and discuss studies that have evaluated the safety and efficacy of these techniques for the treatment of cocaine dependence. METHODS: The electronic literature on repetitive transcranial magnetic stimulation, theta-burst stimulation, deep transcranial magnetic stimulation, transcranial direct current stimulation, magnetic seizure therapy, electroconvulsive therapy, cranial electro-stimulation, and deep brain stimulation in the treatment of cocaine addiction were reviewed...
August 10, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28822316/improved-middle-ear-soft-tissue-visualization-using-synchrotron-radiation-phase-contrast-imaging
#4
Mai Elfarnawany, Seyed Alireza Rohani, Soroush Ghomashchi, Daniel G Allen, Ning Zhu, Sumit K Agrawal, Hanif M Ladak
High resolution images are used as a basis for finite-element modeling of the middle-ear structures to study their biomechanical function. Commonly used imaging techniques such as micro-computed tomography (CT) and optical microscopy require extensive sample preparation, processing or staining using contrast agents to achieve sufficient soft-tissue contrast. We compare imaging of middle-ear structures in unstained, non-decalcified human temporal bones using conventional absorption-contrast micro-CT and using synchrotron radiation phase-contrast imaging (SR-PCI)...
August 5, 2017: Hearing Research
https://www.readbyqxmd.com/read/28822302/new-insight-in-spiral-drawing-analysis-methods-application-to-action-tremor-quantification
#5
André Pierre Legrand, Isabelle Rivals, Aliénor Richard, Emmanuelle Apartis, Emmanuel Roze, Marie Vidailhet, Sabine Meunier, Elodie Hainque
OBJECTIVE: Spiral drawing is one of the standard tests used to assess tremor severity for the clinical evaluation of medical treatments. Tremor severity is estimated through visual rating of the drawings by movement disorders experts. Different approaches based on the mathematical signal analysis of the recorded spiral drawings were proposed to replace this rater dependent estimate. The objective of the present study is to propose new numerical methods and to evaluate them in terms of agreement with visual rating and reproducibility...
July 17, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28822287/blue-light-induced-free-radicals-from-riboflavin-in-degradation-of-crystal-violet-by-microbial-viability-evaluation
#6
Ji-Yuan Liang, Jeu-Ming P Yuann, Zong-Jhe Hsie, Shiuh-Tsuen Huang, Chiing-Chang Chen
Crystal violet (CV) is applied in daily use mainly as a commercial dye and antimicrobial agent. Waste water containing CV may affect aquatic ecosystems. Riboflavin, also known as vitamin B2, is non-toxic and an essential vitamin required for the functions of the human body. Riboflavin is photosensitive to UV and visible light in terms of generating reactive oxygen species. This study investigated the potential application of blue light on riboflavin, so as to come up with an effective way of degrading CV during its treatment...
August 12, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28822285/conversion-of-raw-and-untreated-disposal-into-ethanol
#7
Saurabh Sudha Dhiman, Aditi David, Namita Shrestha, Glenn R Johnson, Kenneth M Benjamin, Venkataramana Gadhamshetty, Rajesh K Sani
The one-pot CRUDE (Conversion of Raw and Untreated Disposal into Ethanol) process was developed for simultaneous hydrolysis and fermentation of unprocessed food waste into ethanol using thermophilic (growing at 65°C) anaerobic bacteria. Unlike existing waste to energy technologies, the CRUDE process obviates the need for any pre-treatment or enzyme addition. A High-Temperature-High-Pressure (HTHP) distillation technique was also applied that facilitated efficient use of fermentation medium, inoculum recycling, and in-situ ethanol collection...
July 21, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28822268/neural-precursor-cells-derived-from-induced-pluripotent-stem-cells-exhibit-reduced-susceptibility-to-infection-with-a-neurotropic-coronavirus
#8
Vrushali Mangale, Brett S Marro, Warren C Plaisted, Craig M Walsh, Thomas E Lane
The present study examines the susceptibility of mouse induced pluripotent stem cell-derived neural precursor cells (iPSC-NPCs) to infection with the neurotropic JHM strain of mouse hepatitis virus (JHMV). Similar to NPCs derived from striatum of day 1 postnatal GFP-transgenic mice (GFP-NPCs), iPSC-derived NPCs (iPSC-NPCs) are able to differentiate into terminal neural cell types and express MHC class I and II in response to IFN-γ treatment. However, in contrast to postnatally-derived NPCs, iPSC-NPCs express low levels of carcinoembryonic antigen-cell adhesion molecule 1a (CEACAM1a), the surface receptor for JHMV, and are less susceptible to infection and virus-induced cytopathic effects...
August 16, 2017: Virology
https://www.readbyqxmd.com/read/28822259/ambient-air-pollution-temperature-and-kawasaki-disease-in-shanghai-china
#9
Zhijing Lin, Xia Meng, Renjie Chen, Guoying Huang, Xiaojing Ma, Jingjing Chen, Min Huang, Meirong Huang, Yonghao Gui, Chen Chu, Fang Liu, Haidong Kan
Kawasaki disease (KD) is a kind of pediatric vasculitis of unknown etiology which mainly affects the development of coronary artery aneurysms. Few studies have explored the potential environmental risk factors on KD incidence. We performed a time-series analysis to investigate the associations between air pollution and temperature and KD in Shanghai, China. We collected daily-hospitalized KD patients that were admitted in major pediatric specialty hospitals located in the urban areas of Shanghai from 2001 to 2010...
August 12, 2017: Chemosphere
https://www.readbyqxmd.com/read/28822254/a-systematic-review-of-hypertension-outcomes-and-treatment-strategies-in-older-adults
#10
REVIEW
Julienne K Kirk, Julie Allsbrook, Maggie Hansell, Emily M Mann
OBJECTIVE: To evaluate the literature regarding blood pressure control and management in older adult patient population over 70 years of age. METHODS: A literature search was conducted using PubMed and capturing the data from 2006 to 2016. Terms used included MeSH headings for hypertension/therapy and antihypertension agents. A systematic review of published studies was performed. Articles including older patients (average age 70 years or older) being treated for hypertension were included...
July 25, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28822226/perinatal-outcomes-after-previable-preterm-premature-rupture-of-membranes-before-24-weeks-of-gestation
#11
Verena Kiver, Vinzenz Boos, Anke Thomas, Wolfgang Henrich, Alexander Weichert
OBJECTIVE: A current descriptive assessment of perinatal outcomes in pregnancies complicated by previable preterm premature rupture of membranes (pPPROM) at <24 weeks of gestation, after expectant treatment. STUDY DESIGN: Maternal and short-term neonatal data were collected for patients with pPPROM. RESULTS: Seventy-three patients with 93 fetuses were hospitalized with pPPROM at 15-24 weeks' gestation. Among these patients, 27.4% (n=20) chose pregnancy termination, 27...
August 19, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28822199/-progress-on-treatment-of-rheumatoid-arthritis-with-ethnodrugs
#12
Xiu-Ping Zhou, Lu Han, Yun-Yun Ye, Rui-Zhou Wang, Yue-Ming Zhang, Chang-Cai Bai
Rheumatoid arthritis(RA) is a chronic autoimmune disease, belonging to the "Arthromyodynia (Bi Zheng)" category in traditional Chinese medicine. However, the ethnomedicine has a unique understanding of RA, with a long-term clinical experience accumulation and significant efficacy in the treatment of RA, and it has now become one of the important means in treatment of RA. On the basis of literature research, the understanding of RA and commonly used Tibetan medicine, Mongolian medicine, Hui medicine and other herbs and preparations were reviewed in this paper, with the aim of providing a reference for its clinical treatment of RA and research and development of innovative drugs...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28822165/-methodological-quality-assessment-of-community-acquired-pneumonia-clinical-practice-guidelines-in-china-based-on-agree-%C3%A2-tool
#13
Ying-Jie Zhi, Xing Liao, Yan-Ming Xie, De-Min Li, Wei Chen, Yao-Long Chen, Ren-Bo Chen, Ya Yuwen, Hong-Chun Zhang, Yong-Yan Wang
This study is aimed to identify and assess the methodological quality of community-acquired pneumonia (CAP) clinical practice guidelines (CPG) in China by using AGREE Ⅱ tool. CNKI, SinoMed, Wanfang, and VIP Chinese databases from database establishment to March 2017 were searched by manual retrieval to collect all the clinical practice guidelines prepared by various associations or organizations, then AGREE Ⅱtool was used to assess them. Data in each CPG were analyzed in terms of six domains, including scope and purpose, participants, rigor, clarity and readability, applicability and editorial independence...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28822141/applicability-of-quantitative-optical-imaging-techniques-for-intraoperative-perfusion-diagnostics-a-comparison-of-laser-speckle-contrast-imaging-sidestream-dark-field-microscopy-and-optical-coherence-tomography
#14
Sanne M Jansen, Daniel M de Bruin, Dirk J Faber, Iwan J G G Dobbe, Erik Heeg, Dan M J Milstein, Simon D Strackee, Ton G van Leeuwen
Patient morbidity and mortality due to hemodynamic complications are a major problem in surgery. Optical techniques can image blood flow in real-time and high-resolution, thereby enabling perfusion monitoring intraoperatively. We tested the feasibility and validity of laser speckle contrast imaging (LSCI), optical coherence tomography (OCT), and sidestream dark-field microscopy (SDF) for perfusion diagnostics in a phantom model using whole blood. Microvessels with diameters of 50, 100, and 400  μm were constructed in a scattering phantom...
August 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28822134/genome-scale-modeling-of-photorespiratory-pathway-manipulation
#15
Anika Küken, Zoran Nikoloski
Quantifying the redistribution of metabolic reaction fluxes under experimental scenarios that affect the photorespiratory pathway can provide insights about the coupling of this pathway with other parts of metabolism. However, differential flux profiling on a genome-scale level remains the biggest challenge in modern systems biology. Here we present a protocol for applying a constraint-based approach, termed iReMet-Flux, that integrates data about relative metabolite levels in a stoichiometric metabolic model to predict differential fluxes at a genome-scale level under mild modeling assumptions...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28822121/investigating-the-origin-of-acoustic-attenuation-in-liquid-foams
#16
Juliette Pierre, Camille Gaulon, Caroline Derec, Florence Elias, Valentin Leroy
Liquid foams are known to be highly efficient to absorb acoustic waves but the origin of the sound dissipation remains unknown. In this paper, we present low frequency (0.5-4kHz) experimental results measured with an impedance tube and we confront the recorded attenuations with a simple model that considers the foam as a concentrate bubbly liquid. In order to identify the influence of the different parameters constituting the foams we probe samples with different gases, and various liquid fractions and bubble size distributions...
August 2017: European Physical Journal. E, Soft Matter
https://www.readbyqxmd.com/read/28822113/economic-evaluation-of-interventions-for-children-with-neurodevelopmental-disorders-opportunities-and-challenges
#17
Ramesh Lamsal, Jennifer D Zwicker
Economic evaluation is a tool used to inform decision makers on the efficiency of comparative healthcare interventions and inform resource allocation decisions. There is a growing need for the use of economic evaluations to assess the value of interventions for children with neurodevelopmental disorders (NDDs), a population that has increasing demands for healthcare services. Unfortunately, few evaluations have been conducted to date, perhaps stemming from challenges in applying existing economic evaluation methodologies in this heterogeneous population...
August 18, 2017: Applied Health Economics and Health Policy
https://www.readbyqxmd.com/read/28822108/semi-quantitative-metabolic-values-on-fdg-pet-ct-including-extracardiac-sites-of-disease-as-a-predictor-of-treatment-course-in-patients-with-cardiac-sarcoidosis
#18
Mitsutomi Ishiyama, Laurie A Soine, Hubert J Vesselle
BACKGROUND: Cardiac sarcoidosis is associated with major adverse cardiac events including cardiac arrest, for which anti-inflammatory treatment is indicated. Oral corticosteroid is the mainstay among treatment options; however, adverse effects are a major concern with long-term use. It would be beneficial for providers to predict treatment response and prognosis for proper management strategy of sarcoidosis, though it remains challenging. Fluorine (F)-18 fluorodeoxyglucose (FDG)-positron emission tomography(PET)/computed tomography(CT) has an advantage over anatomical imaging in providing semi-quantitative functional parameters such as standard uptake value (SUV), metabolic volume, and total lesion glycolysis (TLG), which are well-established biomarkers in oncology...
August 18, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28822101/revisiting-the-logan-plot-to-account-for-non-negligible-blood-volume-in-brain-tissue
#19
Martin Schain, Patrik Fazio, Ladislav Mrzljak, Nahid Amini, Nabil Al-Tawil, Cheryl Fitzer-Attas, Juliana Bronzova, Bernhard Landwehrmeyer, Christina Sampaio, Christer Halldin, Andrea Varrone
BACKGROUND: Reference tissue-based quantification of brain PET data does not typically include correction for signal originating from blood vessels, which is known to result in biased outcome measures. The bias extent depends on the amount of radioactivity in the blood vessels. In this study, we seek to revisit the well-established Logan plot and derive alternative formulations that provide estimation of distribution volume ratios (DVRs) that are corrected for the signal originating from the vasculature...
August 18, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28822078/prognostic-implication-of-the-primary-tumor-location-in-early-stage-breast-cancer-focus-on-lower-inner-zone
#20
Jiqiao Yang, Shenli Tang, Yuting Zhou, Juanjuan Qiu, Juying Zhang, Sui Zhu, Qing Lv
BACKGROUND: The aim of this study was to investigate the prognostic significance of tumor location of lower inner zone (LIZ) on the survival of patients with early-stage breast cancer. METHODS: We retrospectively identified 961 breast cancer patients from Jan 2000 to Apr 2016 from hospital database. We evaluated overall survival (OS) and disease-free survival (DFS) in patients with tumors in and outside LIZ. Subgroup analyses were performed according to clinicopathological characteristics and treatment strategies...
August 18, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
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