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https://www.readbyqxmd.com/read/29786724/influence-of-a-nanoparticle-on-the-structure-and-dynamics-of-model-ionomer-melts
#1
Janani Sampath, Lisa M Hall
We simulate a single spherical nanoparticle (NP) surrounded by partially neutralized ionomers. The coarse-grained ionomers consist of a linear backbone of neutral monomer beads with charged pendant beads and counterions, along with pendant 'sticker' beads that represent unneutralized acid groups. Two different NP interactions are considered; one in which the NP interacts uniformly with all beads in the system (neutral NP) and another in which the NP has higher cohesive interactions with ions and stickers (sticky NP)...
May 22, 2018: Soft Matter
https://www.readbyqxmd.com/read/29786661/suspended-carbon-nanotubes-for-humidity-sensing
#2
Shivaram Arunachalam, Anubha A Gupta, Ricardo Izquierdo, Frederic Nabki
A room temperature microfabrication technique using SU8, an epoxy-based highly functional photoresist as a sacrificial layer, is developed to obtain suspended aligned carbon nanotube beams. The humidity-sensing characteristics of aligned suspended single-walled carbon nanotube films are studied. A comparative study between suspended and non-suspended architectures is done by recording the resistance change in the nanotubes under humidity. For the tests, the humidity was varied from 15% to 98% RH. A comparative study between suspended and non-suspended devices shows that the response and recovery times of the suspended devices was found to be almost 3 times shorter than the non-suspended devices...
May 22, 2018: Sensors
https://www.readbyqxmd.com/read/29786523/decision-support-beyond-total-savings-eligibility-and-potential-savings-for-individual-participants-from-changes-in-the-national-surveillance-strategy-for-bovine-viral-diarrhoea-bvd-in-ireland
#3
Jamie A Tratalos, Hans-Hermann Thulke, David A Graham, Maria Guelbenzu Gonzalo, Simon J More
Surveillance and management of livestock diseases is often evaluated with reference to expected sector-wide costs. In contrast, we calculate losses or savings for individual herd owners of a change in monitoring strategy during a national cattle disease eradication programme: bovine viral diarrhoea (BVD) in Ireland. The alternative strategy differs in how the disease is identified; by its sample- rather than census-based approach; and by its greater cost per test. We examined the costs faced by each breeding herd if testing were conducted using serology on a sample of young stock, in contrast to the current method of tissue-tag testing of all newborn calves...
July 1, 2018: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29786020/use-of-international-foundations-of-medicine-clinical-sciences-examination-to-evaluate-students-performance-in-the-local-examination-at-the-university-of-sharjah-united-arab-emirates
#4
Nihar Ranjan Dash, Mohamed Elhassan Abdalla, Amal Hussein
Background: Several medical schools around the world are moving away from isolated, locally developed in-house assessments to the introduction of external examinations into their curriculum. Although the objective varies, it is typically done to evaluate, audit, and compare students' performance to international standards. Similarly, the International Foundations of Medicine-Clinical Sciences Examination (IFOM-CSE) was introduced in the College of Medicine at the University of Sharjah as an external assessment criterion in addition to the existing in-house assessments...
September 2017: Education for Health: Change in Training & Practice
https://www.readbyqxmd.com/read/29785990/continuous-intraoperative-optical-coherence-tomography-guided-shield-ulcer-debridement-with-tuck-in-multilayered-amniotic-membrane-transplantation
#5
Namrata Sharma, Deepali Singhal, Prafulla Kumar Maharana, Rahul Jain, Pranita Sahay, Jeewan S Titiyal
Purpose: The aim of this study is to describe a modified surgical technique of continuous intraoperative optical coherence tomography (iOCT)-guided shield ulcer debridement with tuck-in multilayered Amniotic membrane transplantation (ML AMT) in vernal keratoconjunctivitis (VKC) with shield ulcer with plaque. Methods: Seven eyes of seven patients presenting with VKC with shield ulcer with plaque were enrolled in this prospective case series and planned for shield ulcer debridement with ML AMT...
June 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29785988/accuracy-of-noncycloplegic-refraction-performed-at-school-screening-camps
#6
Rolli Khurana, Shailja Tibrewal, Suma Ganesh, Rajoo Tarkar, Phuong Thi Thanh Nguyen, Zeeshan Siddiqui, Shantanu Dasgupta
Purpose: The aim of this study was to compare noncycloplegic refraction performed in school camp with that performed in eye clinic in children aged 6-16 years. Methods: A prospective study of children with unaided vision <0.2 LogMAR who underwent noncycloplegic retinoscopy (NCR) and subjective refraction (SR) in camp and subsequently in eye clinic between February and March 2017 was performed. A masked optometrist performed refractions in both settings. The agreement between refraction values obtained at both settings was compared using the Bland-Altman analysis...
June 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29785952/diagnostic-accuracy-of-point-of-care-natriuretic-peptide-testing-for-chronic-heart-failure-in-ambulatory-care-systematic-review-and-meta-analysis
#7
Kathryn S Taylor, Jan Y Verbakel, Benjamin G Feakins, Christopher P Price, Rafael Perera, Clare Bankhead, Annette Plüddemann
OBJECTIVE: To assess the diagnostic accuracy of point-of-care natriuretic peptide tests in patients with chronic heart failure, with a focus on the ambulatory care setting. DESIGN: Systematic review and meta-analysis. DATA SOURCES: Ovid Medline, Cochrane Central Register of Controlled Trials, Cochrane Database of Systematic Reviews, Database of Abstracts of Reviews of Effects, Embase, Health Technology Assessment Database, Science Citation Index, and Conference Proceedings Citation Index until 31 March 2017...
May 21, 2018: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29785711/illness-as-a-crisis-of-meaning
#8
REVIEW
Michael Hauskeller
In Phenomenological Bioethics: Medical Technologies, Human Suffering, and the Meaning of Being Alive, the Swedish philosopher Fredrik Svenaeus aims to show how the continental tradition of phenomenology can enrich bioethical debates by adding important but often-ignored perspectives, namely, that of lived experience. Phenomenology focuses not on supposedly objective, scientifically validated facts, but on the "life world" of the individuals affected by a situation. Individuals' life worlds consist of their experience of their own lived bodies (or Leiber) and the meaning structures of their everyday worlds...
May 21, 2018: Hastings Center Report
https://www.readbyqxmd.com/read/29785641/in-silico-analysis-of-natural-resistance-associated-macrophage-protein-nramp-family-of-transporters-in-rice
#9
Anitha Mani, Kavitha Sankaranarayanan
In Oryza sativa (rice) there are seven members in the NRAMP (natural resistance- associated macrophage protein) family of transporter proteins. They have been identified as OsNRAMP1, OsNRAMP2, OsNRAMP3, OsNRAMP4, OsNRAMP5, OsNRAMP6 and OsNRAMP7. Several metal ions like Zn2+ , Mn2+ , Fe2+ , Cd2+ etc. have been studied to be transported via NRAMP transporter proteins in rice plant. In spite of this, very little information is available regarding these transporters. Hence it is important to computationally predict and characterize the OsNRAMP family of transporters for studying and understanding their molecular insights in future studies...
May 21, 2018: Protein Journal
https://www.readbyqxmd.com/read/29785631/eating-disorders-risk-among-medical-students-a-global-systematic-review-and-meta-analysis
#10
REVIEW
Haitham Jahrami, Mai Sater, Ahmed Abdulla, Mo'ez Al-Islam Faris, Ahmed AlAnsari
PURPOSE: Medical students appear to be a high-risk group to develop psychological problems including eating disorders (ED). The prevalence estimates of ED risk vary greatly between studies. This systematic review and meta-analysis was done to estimate the prevalence of ED risk among medical students. METHODS: An electronic search of EMBASE, MEDLINE, ProQuest and Google Scholar was conducted. Studies that reported the prevalence of ED risk among medical students and were published in English peer-reviewed journals between 1982 and 2017 were included...
May 21, 2018: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/29785581/anti-jc-virus-antibody-sera-positivity-and-index-value-among-patients-with-multiple-sclerosis-may-be-correlated-with-age-sex-and-area-of-residence
#11
Sogol Koolaji, Narges Sistany Allahabadi, Arash Ahmadi, Sharareh Eskandarieh, Abdorreza Naser Moghadasi, Amir Reza Azimi, Mohammad Ali Sahraian
Anti-JC virus (JCV) antibody index is the predictive factor of progressive multifocal leukoencephalopathy (PML) for multiple sclerosis (MS) patients treating with natalizumab. The aim of this study is to evaluate the prevalence of anti-JCV antibody positivity and index among Iranian patients who are the candidate for natalizumab and its correlation with their demographic data and previous therapies. A cross-sectional design was assessed for receiving anti-JCV antibody test results between January 2014 and December 2016...
May 21, 2018: Journal of Neurovirology
https://www.readbyqxmd.com/read/29785580/a-comprehensive-review-and-meta-analysis-of-risk-factors-for-statin-induced-myopathy
#12
REVIEW
Khoa A Nguyen, Lang Li, Deshun Lu, Aida Yazdanparast, Lei Wang, Rolf P Kreutz, Elizabeth C Whipple, Titus K Schleyer
PURPOSE: To aid prescribers in assessing a patient's risk for statin-induced myopathy (SIM), we performed a comprehensive review of currently known risk factors and calculated aggregated odds ratios for each risk factor through a meta-analysis. METHODS: This meta-analysis was done through four phases: (1) Identification of the relevant primary literature; (2) abstract screening using inclusion and exclusion criteria; (3) detailed review and data extraction; and (4) synthesis and statistical analysis...
May 22, 2018: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29785481/encapsulation-of-theophylline-in-gelatin-a-pectin-complex-coacervates
#13
Nirmala Devi, Chayanika Deka, Prajnya Nath, Dilip Kumar Kakati
The present study aims at synthesizing gelatin A-pectin complex coacervates and encapsulation of theophylline in the polymer system. Variation and optimization of different reaction parameters such as pH, ratio between the polymers and cross-linker concentration was carried out to attain higher product yield. Relative viscosity, turbidity and UV-visible measurements were done for optimization. The optimum ratio between gelatin A-pectin was fixed at weight ratio 42:8 and pH=3.5. It was further observed that adhesion between the microcapsules decreased by the use of sodium carboxymethyl cellulose (SCMC) to the coacervate...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29785306/overweight-and-undernutrition-in-the-cases-of-school-going-adolescents-in-wolaita-sodo-town-southern-ethiopia-cross-sectional-study
#14
Dereje Yohannes Teferi, Gudina Egata Atomssa, Tefera Chane Mekonnen
Background: This study aimed to assess the prevalence of malnutrition and associated factors among school adolescents in Wolaita Sodo town, Southern Ethiopia. Methods: A school-based cross-sectional study was conducted from May 18-June 10, 2015. A multistage sampling was used to select a random sample of 690 adolescents from selected schools. Data on sociodemographic information were collected by using an interviewer-administered questionnaire, and anthropometric measurements were made by using a digital Seca scale and height measuring board by trained data collectors...
2018: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/29785233/therapeutic-outcome-of-intralesional-immunotherapy-in-cutaneous-warts-using-the-mumps-measles-and-rubella-vaccine-a-randomized-placebo-controlled-trial
#15
Guneet Awal, Simplepreet Kaur
Background: Various treatment modalities have been described in the literature for treating warts, but none thus far have demonstrated optimal results. Recently, the mumps, measles, and rubella (MMR) antigen has gained popularity because of its proven efficacy in the treatment of warts. Aim: The goal was to evaluate the efficacy and safety of intralesional MMR antigen in the treatment of cutaneous warts. Methods: Patients were divided into an MMR (study) group and a normal saline (control) group. Injections were administered into the single largest wart on each patient every two weeks...
May 2018: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/29785183/evaluation-of-reirradiation-in-locally-advanced-head-and-neck-cancers-toxicity-and-early-clinical-outcomes
#16
Amit Bahl, Arun Singh Oinam, Arun Elangovan, Satinder Kaur, Gaurav Trivedi, Roshan Verma, Sudhir Bhandari, Sushmita Ghoshal, Naresh Kumar Panda
Objectives: Locoregional recurrence is the predominant pattern of treatment failure in advanced head and neck cancers. Reirradiation is a useful modality to treat inoperable head and neck cancer patients with recurrent disease. The aim of the present study was to analyze the treatment toxicity and early clinical outcomes in patients undergoing reirradiation. Methods: Twenty patients of head and neck cancers with recurrences or second cancers were evaluated. Reirradiation was done using simultaneous integrated boost volumetric modulated arc therapy (SIB VMAT), intensity modulated radiotherapy (IMRT), or conventional radiotherapy using 6MV photons...
2018: Journal of Oncology
https://www.readbyqxmd.com/read/29785165/thymic-carcinoma-a-rare-case-report
#17
Nidhi Bansal, Arnav Kr Roychoudhury, Harshi Dhingra
Introduction: Thymic carcinoma is a rare, invasive mediastinal neoplasm with a tendency to metastasize. They constitute a heterogeneous group of tumors that present differently in terms of both behavior and prognosis. Case report: We present a case of thymic carcinoma in a 55-year-old male patient known to suffer from Myasthenia gravis, whose chief complaints were fatigability, ptosis and coughing. All electromyography studies were done along with excision biopsy to reach the definitive diagnosis...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29785163/management-of-intrinsic-discoloration-using-walking-bleach-technique-in-maxillary-central-incisors
#18
Sanket Hans Pandey, Pallav Mahesh Patni, Pradeep Jain, Arpita Chaturvedi
Introduction: Non-vital bleaching is a non-invasive technique to treat the intrinsic discoloration of teeth of several etiologies. Hydrogen peroxide and sodium perborate are commonly used bleaching agents. Aim: The aim of this case report is to demonstrate the non-vital bleaching technique in maxillary anterior teeth. Method: Maxillary central incisors were isolated with rubber dam and root canal treatment was performed. Barrier space preparation was done using a heated instrument...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29785156/correlations-of-aldehyde-dehydrogenase-1-aldh1-expression-with-traditional-prognostic-parameters-and-different-molecular-subtypes-of-breast-carcinoma
#19
Piyabi Sarkar, Keya Basu, Pubali Sarkar, Uttara Chatterjee, Madhumita Mukhopadhyay, Manoj Kumar Choudhuri, Diptendra Kumar Srakar
Background and aim: Breast cancer, a heterogeneous disease, is the most common cause of cancer-related death in women worldwide. Despite considerable developments in treatment modalities, a subset of patients with advanced-stage breast carcinoma display poor prognosis. Breast cancer heterogeneity and risk of recurrence could be explained with the help of cancer stem cell hypothesis. Stem cells have the capacity to self-renew and differentiate into multiple cell types. Aldehyde dehydrogenase-1 (ALDH1), an enzyme responsible for the oxidation of intracellular aldehydes, contributes to normal and tumor stem cell differentiation...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29784366/raman-spectroscopy-for-wine-analyses-a-comparison-with-near-and-mid-infrared-spectroscopy
#20
Cláudia A Teixeira Dos Santos, Ricardo N M J Páscoa, Patrícia A L S Porto, António L Cerdeira, J M González-Sáiz, C Pizarro, João A Lopes
Routine wine analysis are commonly employed to ensure the quality and safety standards, and to meet consumers' demands and legal requirements. In the last decades, efforts have been done in order to replace the traditional analytical techniques by vibrational spectroscopic techniques such as near infrared (NIR) and mid infrared (MIR) spectroscopy. The potential of these techniques has already been proved by several studies that revealed their ability for the determination of several wine parameters with high levels of precision and accuracy...
August 15, 2018: Talanta
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