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https://www.readbyqxmd.com/read/28532138/a-case-based-shared-teaching-approach-in-undergraduate-medical-curriculum-a-way-for-integration-in-basic-and-clinical-sciences
#1
Soheil Peiman, Azim Mirzazadeh, Maryam Alizadeh, Sara Mortaz Hejri, Mohammad-Taghi Najafi, Abbas Tafakhori, Farnoosh Larti, Besharat Rahimi, Babak Geraiely, Parichehr Pasbakhsh, Gholamreza Hassanzadeh, Fatemeh Nabavizadeh Rafsanjani, Mohammad Ansari, Seyed Farshad Allameh
To present a multiple-instructor, active-learning strategy in the undergraduate medical curriculum. This educational research is a descriptive one. Shared teaching sessions, were designed for undergraduate medical students in six organ-system based courses. Sessions that involved in-class discussions of integrated clinical cases were designed implemented and moderated by at least 3 faculties (clinicians and basic scientists). The participants in this study include the basic sciences medical students of The Tehran University of Medical Sciences...
April 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28532127/investigation-of-free-standing-plasmonic-mesoporous-ag-cmk-8-nafion-composite-membrane-for-the-removal-of-organic-pollutants-with-254-nm-uv-irradiation
#2
Chuan Ming Tseng, Hsin Liang Chen, Sz Nian Lai, Ming Shiung Chen, Chien Jung Peng, Chia Jui Li, Wei Hsuan Hung
"Carbon-based material" has demonstrated a great potential on water purification due to its strong physical adsorption to organic pollutants in the water. Three-dimensional cubic ordered mesoporous carbon (CMK-8), one of the well-known ordered mesoporous carbons, was prepared by using nanocasting method with mesoporous silica (KIT-6) as the template. In this study, CMK-8 blended with Nafion polymer to form a free-standing mesoporous CMK-8-Nafion composite membrane. The synthesis of high crystallinity CMK-8 was characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM)...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28532060/design-and-characterization-of-biodegradable-macroporous-hybrid-inorganic-organic-polymer-for-orthopedic-applications
#3
Sunita PremVictor, Jibin Kunnumpurathu, M G Gayathri Devi, K Remya, Vineeth M Vijayan, Jayabalan Muthu
We have engineered hybrid polymer products based on a hybrid inorganic-organic comacromer consisting of hydroxyapatite (HA), carboxyl terminated polypropylene fumarate (CTPPF), PEG300 and ascorbic acid (AA) as a bone graft material. The integration and the spatial distribution of HA in the polymer backbone were facilitated by silanisation and 1-ethyl-3-(-3-dimethylaminopropyl) carbodiimide hydrochloride (EDC) coupling technique. These comacromers and crosslinked polymer products were characterized by Fourier transform infrared spectroscopy (FTIR), Nuclear magnetic resonance (NMR), Scanning electron microscopy (SEM) and Raman mapping techniques...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531999/zro2-toughened-al2o3-based-near-net-shaped-femoral-head-unique-fabrication-approach-3d-microstructure-burst-strength-and-muscle-cell-response
#4
Debasish Sarkar, Sourav Mandal, B S Reddy, Nitu Bhaskar, D C Sundaresh, Bikramjit Basu
The development of reliable biomedical devices demands the use of an integrated manufacturing protocol with comprehensive understanding of prototype characterization in terms of 3D microstructural analysis along with biocompatibility. While addressing these issues for ZrO2 (3mol% Y2O3 stabilized)-toughened Al2O3-based femoral head prototypes, the present work reports a unique fabrication protocol involving a sequence of uniaxial compaction followed by pre-sintering, machining, final sintering and polishing to ensure dimensional tolerance with respect to the design of patient-specific femoral head...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531992/boronate-functionalized-hydrogel-as-a-novel-biosensing-interface-for-the-glycated-hemoglobin-a1c-hba1c-based-on-the-competitive-binding-with-signaling-glycoprotein
#5
Yong Duk Han, Ka Ram Kim, Yoo Min Park, Seung Yeon Song, Yong Ju Yang, Kangsun Lee, Yunhee Ku, Hyun C Yoon
According to recent increases in public healthcare costs associated with diabetes mellitus, the development of new glycemic monitoring techniques based on the biosensing of glycated hemoglobin A1c (HbA1c), a promising long-term glycemic biomarker, has become a major challenge. In the development of HbA1c biosensors for point-of-care applications, the selection of an effective biorecognition layer that provides a high reaction yield and specificity toward HbA1c is regarded as the most significant issue. To address this, we developed a novel HbA1c biosensing interfacial material by the integration of boronate hydrogel with glass fiber membrane...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531983/development-of-haptic-based-piezoresistive-artificial-fingertip-toward-efficient-tactile-sensing-systems-for-humanoids
#6
Amin TermehYousefi, Saman Azhari, Amin Khajeh, Mohd Nizar Hamidon, Hirofumi Tanaka
Haptic sensors are essential devices that facilitate human-like sensing systems such as implantable medical devices and humanoid robots. The availability of conducting thin films with haptic properties could lead to the development of tactile sensing systems that stretch reversibly, sense pressure (not just touch), and integrate with collapsible. In this study, a nanocomposite based hemispherical artificial fingertip fabricated to enhance the tactile sensing systems of humanoid robots. To validate the hypothesis, proposed method was used in the robot-like finger system to classify the ripe and unripe tomato by recording the metabolic growth of the tomato as a function of resistivity change during a controlled indention force...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531969/biogeographical-factors-affecting-the-distribution-of-stream-salamanders-on-the-cumberland-plateau-usa
#7
P R Gould, K K Cecala, S S Drukker, B A McKenzie, C Van de Ven
Geophysical and climate conditions play an important role in the distribution of organisms at both fine and broad scales. Headwater streams integrate changes at broad geographical scales and serve as important regions of nutrient processing and support high biodiversity. Stream salamanders are important members of headwater aquatic communities as both predators and prey. Combined with their biphasic life histories and physiological requirements, stream amphibians may serve as indicators for headwater stream conditions...
May 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28531962/how-geostatistics-can-help-you-find-lead-and-galvanized-water-service-lines-the-case-of-flint-mi
#8
Pierre Goovaerts
In the aftermath of Flint drinking water crisis, most US cities have been scrambling to locate all lead service lines (LSLs) in their water supply systems. This information, which is most often inaccurate or lacking, is critical to assess compliance with the Lead and Copper Rule and to plan the replacement of lead and galvanized service lines (GSLs) as currently under way in Flint. This paper presents the first geospatial approach to predict the likelihood that a home has a LSL or GSL based on neighboring field data (i...
May 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28531928/in-reply-to-ways-to-improve-outcomes-of-traumatic-acute-spinal-cord-injury-integrated-approaches-of-improved-prehospital-care-the-adoption-of-synergistic-medical-and-surgical-intervention-along-with-care-for-associated-systemic-injury-and-rehabilitation-and
#9
https://www.readbyqxmd.com/read/28531927/ways-to-improve-outcomes-of-traumatic-acute-spinal-cord-injury-integrated-approaches-of-improved-prehospital-care-the-adoption-of-synergistic-medical-and-surgical-intervention-along-with-care-for-associated-systemic-injury-and-rehabilitation-and-social-inclusion
#10
https://www.readbyqxmd.com/read/28531894/evaluation-of-absolute-serum-creatinine-changes-in-staging-of-cirrhosis-induced-acute-renal-injury-and-its-association-with-long-term-outcomes
#11
Fangfang Zhou, Qun Luo, Lina Han, Huadong Yan, Wenhong Zhou, Zemin Wang, Yumei Li
BACKGROUND/AIMS: To assess the prognostic accuracy of absolute serum creatinine (sCr) changes ('Delta-sCr') on the long-term outcomes in cirrhotic patients, and evaluate the performance of the 'Delta-sCr' approach to stage acute kidney injury (AKI), compared with the Kidney Disease Improving Global Outcomes (KDIGO) criteria. METHODS: We conducted a retrospective analysis of 333 hospitalized patients. We classified AKI stages using two methods: 1) KDIGO AKI criteria; 2) 'Delta-sCr' system, defined by the difference between the baseline and the peak sCr value during the hospitalization...
May 25, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28531876/photofunctionalization-of-dental-zirconia-oxide-surface-modification-to-improve-bio-integration-preserving-crystal-stability
#12
Marco Roy, Alfonso Pompella, Jerzy Kubacki, Adam Piosik, Bronisław Psiuk, Joanna Klimontko, Jacek Szade, Robert A Roy, Wieslaw Hedzelek
The use of zirconium oxide in dental implantology is rapidly increasing as it is regarded as being more aesthetical and biologically friendly than titanium oxide. The interaction of titanium oxide with cells and proteins has proven to be significantly affected by the inevitable atmospheric hydrocarbon contamination, defined as biological ageing. The latter has proven to be effectively reversed by UVC irradiation. Crystal structures of both Zr and Ti oxides are very similar, thus also ZrO2 is prone to contamination by hydrocarbons...
May 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28531875/elaboration-of-antibacterial-plastic-surfaces-by-a-combination-of-antiadhesive-and-biocidal-coatings-of-natural-products
#13
Jean-Baptiste Paris, Damien Seyer, Thierry Jouenne, Pascal Thébault
Antibacterial polyolefins surfaces, combining biocidal and antiadhesive properties, were elaborated by a covalent grafting of antimicrobial peptides (AMPs), able to kill adherent bacteria, on a pre-immobilized hyaluronic acid (HA) layer, able to repel the micro-organisms. Different HA activation rate for its immobilization, were used to change HA layer morphology and number of residual free carboxylic acid functions for AMPs grafting. Based on adhesion tests on Staphylococcus epidermidis and microscopy fluorescent observations, the presence of the two combined properties was shown to be depended on the HA activation rate...
May 13, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28531868/a-case-of-traumatic-cardiopulmonary-arrest-with-good-neurological-outcome-predicted-by-amplitude-integrated-electroencephalogram
#14
Ko Harada, Kohei Tsukahara, Tetsuya Yumoto, Yasuaki Yamakawa, Atsuyoshi Iida, Hiromichi Naito, Atsunori Nakao
INTRODUCTION: Traumatic cardiopulmonary arrest has a very high mortality, and survival of patients with this condition without neurological disability is rare. PRESENTATION OF CASE: We herein report a case of traumatic cardiopulmonary arrest secondary to accidental amputation of the left lower leg that was successfully treated without any higher brain dysfunction. Although the long duration of cardiopulmonary arrest in this patient suggested hypoxic ischemic encephalopathy, amplitude-integrated electroencephalogram showed normal findings...
May 15, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28531854/achieve-efficient-nitrogen-removal-from-real-sewage-in-a-plug-flow-integrated-fixed-film-activated-sludge-ifas-reactor-via-partial-nitritation-anammox-pathway
#15
Yandong Yang, Liang Zhang, Jun Cheng, Shujun Zhang, Baikun Li, Yongzhen Peng
This study tested the feasibility of plug-flow integrated fixed-film activated sludge (IFAS) reactor in applying sewage partial nitritation/anammox (PN/A) process. The IFAS reactor was fed with real pre-treated sewage (C/N ratio=1.3) and operated for 200days. High nitrogen removal efficiency of 82% was achieved with nitrogen removal rates of 0.097±0.019kgN/(m(3)·d). Therefore, plug-flow IFAS reactor could be an alternative to applying sewage PN/A process. Besides, it was found that the stability of sewage PN/A process was significantly affected by residual ammonium...
May 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28531845/artesunate-and-erythropoietin-synergistically-improve-the-outcome-of-experimental-cerebral-malaria
#16
Yunting Du, Guang Chen, Xuexing Zhang, Chunyun Yu, Yaming Cao, Liwang Cui
Cerebral malaria (CM) is a severe neurological syndrome in humans and the main fatal cause of malaria. In malaria epidemic regions, despite appropriate anti-malarial treatment, 10-20% of deaths still occur during the acute phase. This is largely attributable to poor treatment access, therapeutic complexity and drug resistance; thus, developing additional clinical adjunctive therapies is an urgent necessity. In this study, we investigated the effect of artesunate (AST) and recombinant human erythropoietin (rhEPO) using an experimental cerebral malaria (ECM) model-C57BL/6 mice infected with Plasmodium berghei ANKA (PbA)...
May 19, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28531822/the-impact-of-stigma-on-emotional-distress-and-recovery-from-psychosis-the-mediatory-role-of-internalised-shame-and-self-esteem
#17
Lisa Wood, Rory Byrne, Eilish Burke, Gabriela Enache, Anthony P Morrison
Internalised shame and self-esteem have both been proposed to play an integral role in the relationship between stigma and its negative psychological sequelae in people who experience psychosis, but there has been little quantitative exploration to examine their roles further. The aim of this study was to examine the relationship of stigma (experienced and perceived) with emotional distress and recovery in psychosis, and to examine internalised shame and self-esteem as potential mediators. A total of 79 participants were included for the purposes of this study...
May 10, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28531798/environmental-hazard-assessment-of-a-marine-mine-tailings-deposit-site-and-potential-implications-for-deep-sea-mining
#18
Nélia C Mestre, Thiago L Rocha, Miquel Canals, Cátia Cardoso, Roberto Danovaro, Antonio Dell'Anno, Cristina Gambi, Francesco Regoli, Anna Sanchez-Vidal, Maria João Bebianno
Portmán Bay is a heavily contaminated area resulting from decades of metal mine tailings disposal, and is considered a suitable shallow-water analogue to investigate the potential ecotoxicological impact of deep-sea mining. Resuspension plumes were artificially created by removing the top layer of the mine tailings deposit by bottom trawling. Mussels were deployed at three sites: i) off the mine tailings deposit area; ii) on the mine tailings deposit beyond the influence from the resuspension plumes; iii) under the influence of the artificially generated resuspension plumes...
May 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28531796/spatially-explicit-modeling-of-multi-scale-drivers-of-aboveground-forest-biomass-and-water-yield-in-watersheds-of-the-southeastern-united-states
#19
Mukhtar Ahmed Ajaz Ahmed, Amr Abd-Elrahman, Francisco J Escobedo, Wendell P Cropper, Timothy A Martin, Nilesh Timilsina
Understanding ecosystem processes and the influence of regional scale drivers can provide useful information for managing forest ecosystems. Examining more local scale drivers of forest biomass and water yield can also provide insights for identifying and better understanding the effects of climate change and management on forests. We used diverse multi-scale datasets, functional models and Geographically Weighted Regression (GWR) to model ecosystem processes at the watershed scale and to interpret the influence of ecological drivers across the Southeastern United States (SE US)...
May 19, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28531784/gut-microbiota-mediated-benefits-of-barley-kernel-products-on-metabolism-gut-hormones-and-inflammatory-markers-as-affected-by-co-ingestion-of-commercially-available-probiotics-a-randomized-controlled-study-in-healthy-subjects
#20
Anne Nilsson, Elin Johansson-Boll, Jonna Sandberg, Inger Björck
BACKGROUND AND AIMS: Barley kernel based products have been shown to induce benefits on blood glucose regulation, cardio-metabolic risk markers and appetite regulating hormones in a time perspective of 11-16 h after intake. The mechanisms have been assigned to gut fermentation of indigestible carbohydrates. The purpose of the present study was to evaluate if the modulatory effects of barley on markers of metabolic- and appetite regulation are affected by a dietary background including a mixture of commercially available probiotics...
October 2016: Clinical Nutrition ESPEN
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