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https://www.readbyqxmd.com/read/29149194/understanding-linkage-to-care-with-hiv-self-test-approach-in-lusaka-zambia-a-mixed-method-approach
#1
Jenala Chipungu, Samuel Bosomprah, Arianna Zanolini, Harsha Thimurthy, Roma Chilengi, Anjali Sharma, Charles B Holmes
INTRODUCTION: HIV self-testing (HIVST) is a novel approach designed to assist in achieving the goal of at least 90% of the population that learn their HIV status. A self-test user with a positive test is required to visit a clinic to link into HIV care, yet little is known about patient preferences for linkage strategies. We examined the intention to link to care amongst potential HIVST users and the suitability of three linkage to care strategies in Lusaka Province, Zambia. METHODS: We conducted a representative cross sectional survey of 1,617 individuals aged 16-49 years old in Lusaka Province...
2017: PloS One
https://www.readbyqxmd.com/read/29148343/lessons-learned-from-the-affordable-care-act-the-premium-subsidy-design-may-promote-adverse-selection
#2
Ilana Graetz, Caitlin N McKillop, Cameron M Kaplan, Teresa M Waters
Since 2014, average premiums for health plans available in the Affordable Care Act marketplaces have increased. We examine how premium price changes affected the amount consumers pay after subsidies for the lowest-cost bronze and silver plans available by age in the federally facilitated exchanges. Between 2015 and 2016, benchmark plan premiums increased in 83.3% of counties. Overall, rising benchmark premiums were associated with lower average after-subsidy premiums for the lowest-cost bronze and silver plans for older subsidy-eligible adults, but with higher after-subsidy premiums for younger adults purchasing the same plans, regardless of income...
May 1, 2017: Medical Care Research and Review: MCRR
https://www.readbyqxmd.com/read/29148056/the-list-experiment-for-measuring-abortion-what-we-know-and-what-we-need
#3
Heidi Moseson, Emily Treleaven, Caitlin Gerdts, Nadia Diamond-Smith
Measuring abortion incidence and prevalence is often difficult because of under-reporting and other biases, complicated research designs, and other issues. Recently, family planning researchers have introduced a new method called the list experiment, adopted from political science and economics, to measure abortion. Three completed studies and at least four studies currently underway use this method to measure abortion in several countries. We discuss the lessons learned from completed studies, when the list experiment may and may not be appropriate, and open questions regarding the use of the list experiment for abortion research...
November 17, 2017: Studies in Family Planning
https://www.readbyqxmd.com/read/29147876/objective-differences-in-colonoscopy-technique-between-trainee-and-expert-endoscopists-using-the-colonoscopy-force-monitor
#4
Alexander R Ende, Piet De Groen, Bryan L Balmadrid, Joo Ha Hwang, John Inadomi, Tomasz Wojtera, Vladimir Egorov, Noune Sarvazyan, Louis Korman
BACKGROUND: Learning to perform colonoscopy safely and effectively is central to gastroenterology fellowship programs. The application of force to the colonoscope is an important part of colonoscopy technique. AIMS: We compared force application during colonoscopy between novice and expert endoscopists using a novel device to determine differences in colonoscopy technique. METHODS: This is an observational cohort study designed to compare force application during colonoscopy between novice and experienced trainees, made up of gastroenterology fellows from two training programs, and expert endoscopists from both academic and private practice settings...
November 17, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29147555/what-can-machine-learning-do-for-antimicrobial-peptides-and-what-can-antimicrobial-peptides-do-for-machine-learning
#5
REVIEW
Ernest Y Lee, Michelle W Lee, Benjamin M Fulan, Andrew L Ferguson, Gerard C L Wong
Antimicrobial peptides (AMPs) are a diverse class of well-studied membrane-permeating peptides with important functions in innate host defense. In this short review, we provide a historical overview of AMPs, summarize previous applications of machine learning to AMPs, and discuss the results of our studies in the context of the latest AMP literature. Much work has been recently done in leveraging computational tools to design new AMP candidates with high therapeutic efficacies for drug-resistant infections...
December 6, 2017: Interface Focus
https://www.readbyqxmd.com/read/29147143/analyzing-text-recognition-from-tactually-evoked-eeg
#6
A Khasnobish, S Datta, R Bose, D N Tibarewala, A Konar
Tactual exploration of objects produce specific patterns in the human brain and hence objects can be recognized by analyzing brain signals during tactile exploration. The present work aims at analyzing EEG signals online for recognition of embossed texts by tactual exploration. EEG signals are acquired from the parietal region over the somatosensory cortex of blindfolded healthy subjects while they tactually explored embossed texts, including symbols, numbers, and alphabets. Classifiers based on the principle of supervised learning are trained on the extracted EEG feature space, comprising three features, namely, adaptive autoregressive parameters, Hurst exponents, and power spectral density, to recognize the respective texts...
December 2017: Cognitive Neurodynamics
https://www.readbyqxmd.com/read/29146667/building-better-bridges-into-stem-a-synthesis-of-25-years-of-literature-on-stem-summer-bridge-programs
#7
Michael Ashley, Katelyn M Cooper, Jacqueline M Cala, Sara E Brownell
Summer bridge programs are designed to help transition students into the college learning environment. Increasingly, bridge programs are being developed in science, technology, engineering, and mathematics (STEM) disciplines because of the rigorous content and lower student persistence in college STEM compared with other disciplines. However, to our knowledge, a comprehensive review of STEM summer bridge programs does not exist. To provide a resource for bridge program developers, we conducted a systematic review of the literature on STEM summer bridge programs...
2017: CBE Life Sciences Education
https://www.readbyqxmd.com/read/29146665/the-relative-effect-of-team-based-learning-on-motivation-and-learning-a-self-determination-theory-perspective
#8
Lucas M Jeno, Arild Raaheim, Sara Madeleine Kristensen, Kjell Daniel Kristensen, Torstein Nielsen Hole, Mildrid J Haugland, Silje Mæland
We investigate the effects of team-based learning (TBL) on motivation and learning in a quasi-experimental study. The study employs a self-determination theory perspective to investigate the motivational effects of implementing TBL in a physiotherapy course in higher education. We adopted a one-group pretest-posttest design. The results show that the students' intrinsic motivation, identified regulation, perceived competence, and perceived autonomy support significantly increased going from lectures to TBL...
2017: CBE Life Sciences Education
https://www.readbyqxmd.com/read/29143888/-the-art-of-insulin-treatment-diabetes-insulin-and-the-1920s
#9
Kirsten E Gardner
Soon after the discovery of insulin in the early 1920s, the popular press celebrated the miraculous discovery. Although insulin had no curative effect on the chronic state of diabetes, it was frequently heralded as a "cure." This paper examines how the discovery of insulin intersected with the rise of diabetic technology and the transfer of medical technology to the home setting. By analyzing diabetic manuals written for patients and physicians, letters exchanged between patient and physician, medical journals, magazines and newspapers, I trace how patients learned about insulin and more significantly how patients adopted measurement technologies designed to allow better home administration of insulin...
November 16, 2017: Journal of Medical Humanities
https://www.readbyqxmd.com/read/29143797/indoor-air-quality-analysis-using-deep-learning-with-sensor-data
#10
Jaehyun Ahn, Dongil Shin, Kyuho Kim, Jihoon Yang
Indoor air quality analysis is of interest to understand the abnormal atmospheric phenomena and external factors that affect air quality. By recording and analyzing quality measurements, we are able to observe patterns in the measurements and predict the air quality of near future. We designed a microchip made out of sensors that is capable of periodically recording measurements, and proposed a model that estimates atmospheric changes using deep learning. In addition, we developed an efficient algorithm to determine the optimal observation period for accurate air quality prediction...
October 28, 2017: Sensors
https://www.readbyqxmd.com/read/29143775/low-cost-air-quality-monitoring-tools-from-research-to-practice-a-workshop-summary
#11
REVIEW
Andrea L Clements, William G Griswold, Abhijit Rs, Jill E Johnston, Megan M Herting, Jacob Thorson, Ashley Collier-Oxandale, Michael Hannigan
In May 2017, a two-day workshop was held in Los Angeles (California, U.S.A.) to gather practitioners who work with low-cost sensors used to make air quality measurements. The community of practice included individuals from academia, industry, non-profit groups, community-based organizations, and regulatory agencies. The group gathered to share knowledge developed from a variety of pilot projects in hopes of advancing the collective knowledge about how best to use low-cost air quality sensors. Panel discussion topics included: (1) best practices for deployment and calibration of low-cost sensor systems, (2) data standardization efforts and database design, (3) advances in sensor calibration, data management, and data analysis and visualization, and (4) lessons learned from research/community partnerships to encourage purposeful use of sensors and create change/action...
October 28, 2017: Sensors
https://www.readbyqxmd.com/read/29143412/reverse-production-effect-children-recognize-novel-words-better-when-they-are-heard-rather-than-produced
#12
Tania S Zamuner, Stephanie Strahm, Elizabeth Morin-Lessard, Michael P A Page
This research investigates the effect of production on 4.5- to 6-year-old children's recognition of newly learned words. In Experiment 1, children were taught four novel words in a produced or heard training condition during a brief training phase. In Experiment 2, children were taught eight novel words, and this time training condition was in a blocked design. Immediately after training, children were tested on their recognition of the trained novel words using a preferential looking paradigm. In both experiments, children recognized novel words that were produced and heard during training, but demonstrated better recognition for items that were heard...
November 15, 2017: Developmental Science
https://www.readbyqxmd.com/read/29142590/birdcage-volume-coils-and-magnetic-resonance-imaging-a-simple-experiment-for-students
#13
Dwight E Vincent, Tianhao Wang, Thalia A K Magyar, Peni I Jacob, Richard Buist, Melanie Martin
Background: This article explains some simple experiments that can be used in undergraduate or graduate physics or biomedical engineering laboratory classes to learn how birdcage volume radiofrequency (RF) coils and magnetic resonance imaging (MRI) work. For a clear picture, and to do any quantitative MRI analysis, acquiring images with a high signal-to-noise ratio (SNR) is required. With a given MRI system at a given field strength, the only means to change the SNR using hardware is to change the RF coil used to collect the image...
2017: Journal of Biological Engineering
https://www.readbyqxmd.com/read/29142580/medical-education-journal-club-two-years-experience-at-king-saud-university
#14
Samina A Khan, Mona M Soliman
Objective: Medical Education Journal Club is an evidence-based approach to teach and learn critical appraisal techniques on available literature. This study evaluates the implementation and experience of two academic years of Journal club at Medical Education Department, King Saud University. Methods: We started JC in 2015 at medical education department, KSU. An invitation with a published paper and event poster were sent 2 weeks prior of the session to participants...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29141863/eight-color-multiplex-immunohistochemistry-for-simultaneous-detection-of-multiple-immune-checkpoint-molecules-within-the-tumor-microenvironment
#15
Mark A J Gorris, Altuna Halilovic, Katrin Rabold, Anne van Duffelen, Iresha N Wickramasinghe, Dagmar Verweij, Inge M N Wortel, Johannes C Textor, I Jolanda M de Vries, Carl G Figdor
Therapies targeting immune checkpoint molecules CTLA-4 and PD-1/PD-L1 have advanced the field of cancer immunotherapy. New mAbs targeting different immune checkpoint molecules, such as TIM3, CD27, and OX40, are being developed and tested in clinical trials. To make educated decisions and design new combination treatment strategies, it is vital to learn more about coexpression of both inhibitory and stimulatory immune checkpoints on individual cells within the tumor microenvironment. Recent advances in multiple immunolabeling and multispectral imaging have enabled simultaneous analysis of more than three markers within a single formalin-fixed paraffin-embedded tissue section, with accurate cell discrimination and spatial information...
November 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29141548/cognitive-training-in-patients-with-alzheimer-s-disease-findings-of-a-12-month-randomized-controlled-trial
#16
Alessandro Trebbastoni, Letizia Imbriano, Livia Podda, Lidia Rendace, Maria Luisa Sacchetti, Alessandra Campanelli, Fabrizia D Antonio, Carlo de Lena
BACKGROUND: Cognitive training (CT) is a non-pharmacological intervention based on a set of tasks that reflect specific cognitive functions. CT is aimed at improving cognition in patients with cognitive impairment, though no definitive conclusions have yet been drawn on its efficacy in Alzheimer's disease (AD). OBJECTIVE: To assess the effectiveness of a CT program designed to improve cognition in AD patients. METHOD: This is a randomized, controlled, single-blind, longitudinal trial with a no-treatment control condition in mild-to-moderate AD...
November 12, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/29141275/roles-of-the-declive-folium-and-tuber-cerebellar-vermian-lobules-in-sportspeople
#17
In Sung Park, Nam Joon Lee, Im Joo Rhyu
The cerebellum plays vital roles in balance control and motor learning, including in saccadic adaptation and coordination. It consists of the vermis and two hemispheres and is anatomically separated into ten lobules that are designated as I-X. Although neuroimaging and clinical studies suggest that functions are compartmentalized within the cerebellum, the function of each cerebellar lobule is not fully understood. Electrophysiological and lesion studies in animals as well as neuroimaging and lesion studies in humans have revealed that vermian lobules VI and VII (declive, folium, and tuber) are critical for controlling postural balance, saccadic eye movements, and coordination...
September 28, 2017: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/29141046/the-effect-of-observing-novice-and-expert-performance-on-acquisition-of-surgical-skills-on-a-robotic-platform
#18
David J Harris, Samuel J Vine, Mark R Wilson, John S McGrath, Marie-Eve LeBel, Gavin Buckingham
BACKGROUND: Observational learning plays an important role in surgical skills training, following the traditional model of learning from expertise. Recent findings have, however, highlighted the benefit of observing not only expert performance but also error-strewn performance. The aim of this study was to determine which model (novice vs. expert) would lead to the greatest benefits when learning robotically assisted surgical skills. METHODS: 120 medical students with no prior experience of robotically-assisted surgery completed a ring-carrying training task on three occasions; baseline, post-intervention and at one-week follow-up...
2017: PloS One
https://www.readbyqxmd.com/read/29140691/on-the-importance-of-rigidity-in-designing-small-molecule-drugs-to-tackle-protein-protein-interactions-ppis-through-stabilisation-of-desired-confomers
#19
Alastair D G Lawson, Malcolm MacCoss, Jag P Heer
Tackling PPIs, particularly by stabilising clinically favoured conformations of target proteins, with orally available, bona fide small molecules remains a significant, but immensely worthwhile, challenge for the pharmaceutical industry. Success may be more likely through the application of nature's learnings to build intrinsic rigidity into the design of clinical candidates.
November 15, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29140274/an-efficient-approach-for-lipase-catalyzed-synthesis-of-retinyl-laurate-nutraceutical-by-combining-ultrasound-assistance-and-artificial-neural-network-optimization
#20
Shang-Ming Huang, Hsin-Ju Li, Yung-Chuan Liu, Chia-Hung Kuo, Chwen-Jen Shieh
Although retinol is an important nutrient, retinol is highly sensitive to oxidation. At present, some ester forms of retinol are generally used in nutritional supplements because of its stability and bioavailability. However, such esters are commonly synthesized by chemical procedures which are harmful to the environment. Thus, this study utilized a green method using lipase as a catalyst with sonication assistance to produce a retinol derivative named retinyl laurate. Moreover, the process was optimized by an artificial neural network (ANN)...
November 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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