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https://www.readbyqxmd.com/read/28239964/training-in-metabolomics-research-ii-processing-and-statistical-analysis-of-metabolomics-data-metabolite-identification-pathway-analysis-applications-of-metabolomics-and-its-future
#1
S Barnes, H P Benton, K Casazza, S J Cooper, X Cui, X Du, J Engler, J H Kabarowski, S Li, W Pathmasiri, J K Prasain, M B Renfrow, H K Tiwari
Metabolomics is perhaps the most challenging of the -omics fields, given the complexity of an organism's metabolome and the rapid rate at which it changes. When one sets out to study metabolism there are numerous dynamic variables that can influence metabolism that must be considered. Recognizing the experimental challenges confronting researchers who undertake metabolism studies, workshops like the one at University of Alabama at Birmingham have been established to offer instructional guidance. A summary of the UAB course training materials is being published as a two-part Special Feature Tutorial...
August 2016: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28239606/influence-of-additive-manufactured-scaffold-architecture-on-the-distribution-of-surface-strains-and-fluid-flow-shear-stresses-and-expected-osteochondral-cell-differentiation
#2
Wim J Hendrikson, Anthony J Deegan, Ying Yang, Clemens A van Blitterswijk, Nico Verdonschot, Lorenzo Moroni, Jeroen Rouwkema
Scaffolds for regenerative medicine applications should instruct cells with the appropriate signals, including biophysical stimuli such as stress and strain, to form the desired tissue. Apart from that, scaffolds, especially for load-bearing applications, should be capable of providing mechanical stability. Since both scaffold strength and stress-strain distributions throughout the scaffold depend on the scaffold's internal architecture, it is important to understand how changes in architecture influence these parameters...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/28237849/the-design-process-of-a-multimodal-module-that-synthesized-knowledge-across-nursing-courses
#3
EDITORIAL
Linda Wolf, Pamela Rutar, Cheryl Delgado, Joan Niederriter
BACKGROUND: Nursing faculty are being challenged to increase the use of technology in the classroom. Use of technology addresses multiple learning styles, increases student engagement, encourages active learning and improves students' attention. OBJECTIVES: Evaluate student satisfaction to a faculty designed multimedia teaching strategy. DESIGN: Cross sectional design with data collected over six semesters from six cohorts of nursing students...
February 16, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/28236563/a-clinical-trial-of-tension-and-compression-orthoses-for-dupuytren-contractures
#4
Annelien Brauns, Maarten Van Nuffel, Luc De Smet, Ilse Degreef
STUDY DESIGN: Randomized clinical trial on 2 patient groups with Dupuytren's disease. INTRODUCTION: Despite an unpredictable outcome, surgery remains an important treatment for Dupuytren's disease. Orthotic devices are a controversial noninvasive treatment method to influence the myofibroblasts in the nodules. PURPOSE OF THE STUDY: To detect how much improvement 2 types of orthotic device (tension and compression) as only treatment intervention can provide on a Dupuytren's contracture...
February 21, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28236239/simplifying-the-design-of-protein-peptide-interaction-specificity-with-sequence-based-representations-of-atomistic-models
#5
Fan Zheng, Gevorg Grigoryan
Computationally designed peptides targeting protein-protein interaction interfaces are of great interest as reagents for biological research and potential therapeutics. In recent years, it has been shown that detailed structure-based calculations can, in favorable cases, describe relevant determinants of protein-peptide recognition. Yet, despite large increases in available computing power, such accurate modeling of the binding reaction is still largely outside the realm of protein design. The chief limitation is in the large sequence spaces generally involved in protein design problems, such that it is typically infeasible to apply expensive modeling techniques to score each sequence...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28231629/the-evaluation-of-physical-activity-for-community-dwelling-patients-with-hypertension
#6
Chunhua Ma
AIMS AND OBJECTIVES: The study aimed to evaluate the proportion of Chinese patients with hypertension who meet the Chinese Hypertension Management Guideline recommendations for weekly physical activity and to determine possible associated factors that impact meeting the weekly physical activity recommendation. BACKGROUND: Accurate evaluation of physical activity levels for hypertensive patients is important to determine patients' health outcomes and intervention measures...
February 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28231131/effects-of-matrix-composition-on-detection-threshold-estimates-for-methyl-anthranilate-and-2-aminoacetophenone
#7
Demetra M Perry, John E Hayes
Conceptually, a detection threshold represents the lowest concentration at which an individual or a group of individuals can reliably perceive a given stimulus, with a commonly used operational definition of 50% performance above chance. Estimated detection thresholds (DTs), however, are often reported in the literature with little attention given to the matrix in which the stimuli were evaluated. Here, we highlight the influence of matrix effects on DTs for two odor-active compounds commonly found in Vitis Labrusca wines...
May 17, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28230420/age-related-effects-on-memory-for-social-stimuli-the-role-of-valence-arousal-and-emotional-responses
#8
Thomas M Hess, Lauren E Popham, Claire M Growney
: Background/Study Context: Previous research (Hess et al., 2013, Psychology and Aging, 28, 853-863) suggested that age-based positivity effects in memory were attenuated with social stimuli. This research examined the degree to which this generalized across arousal levels associated with social images. Variations in approach and avoidance responses to individual images were also examined, along with age differences in their relationship to memory performance. METHODS: In Experiment 1, young (22-43 years) and older (65-85 years) adults recalled positive and negative social scenes that were high or low in arousal...
March 2017: Experimental Aging Research
https://www.readbyqxmd.com/read/28229352/linshom-thermodynamic-sensor-is-a-reliable-alternative-to-capnography-for-monitoring-respiratory-rate
#9
David Preiss, Benjamin A Drew, James Gosnell, Bhavani S Kodali, James H Philip, Richard D Urman
Monitoring ventilation accurately is a technically challenging, yet indispensable aspect of patient care in the intra- and post-procedural settings. A new prototypical device known as the Linshom Respiratory Monitoring Device (LRMD) has been recently designed to non-invasively, inexpensively, and portably measure respiratory rate. The purpose of this study was to measure the accuracy and variability of LRMD measurements of respiratory rate relative to the measurement of capnography. In this prospective study, participants were enrolled and individually fitted with a face mask monitored by the LRMD and capnography...
February 22, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28228424/widespread-sucralose-exposure-in-a-randomized-clinical-trial-in-healthy-young-adults
#10
Allison C Sylvetsky, Peter J Walter, H Martin Garraffo, Kim Robien, Kristina I Rother
Background: Low-calorie sweeteners (LCSs) are found in many foods and beverages, but consumers may not realize their presence, and their role in appetite, weight, and health is controversial. Although consumption limits based on toxicologic safety are well established, the threshold required to exert clinically relevant metabolic effects is unknown.Objectives: This study aimed to determine whether individuals who do not report consumption of LCSs can be correctly characterized as "unexposed" and to investigate whether instructions to avoid LCSs are effective in minimizing exposure...
February 22, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28227807/ecog-data-analyses-to-inform-closed-loop-bci-experiments-for-speech-based-prosthetic-applications
#11
Tejaswy Pailla, Werner Jiang, Benjamin Dichter, Edward F Chang, Vikash Gilja, Tejaswy Pailla, Werner Jiang, Benjamin Dichter, Edward F Chang, Vikash Gilja, Vikash Gilja, Werner Jiang, Tejaswy Pailla, Benjamin Dichter, Edward F Chang
Brain Computer Interfaces (BCIs) assist individuals with motor disabilities by enabling them to control prosthetic devices with their neural activity. Performance of closed-loop BCI systems can be improved by using design strategies that leverage structured and task-relevant neural activity. We use data from high density electrocorticography (ECoG) grids implanted in three subjects to study sensory-motor activity during an instructed speech task in which the subjects vocalized three cardinal vowel phonemes...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227741/eye-movements-as-a-marker-for-visual-prosthesis-spatial-mapping-a-feasibility-study-using-a-blind-patient-implanted-with-the-argus-ii-retinal-prosthesis
#12
Avi Caspi, Jessy Dorn, John B Helder, Kapil D Katyal, Arup Roy, Avi Caspi, Jessy Dorn, John B Helder, Kapil D Katyal, Arup Roy, John B Helder, Kapil D Katyal, Jessy Dorn, Arup Roy, Avi Caspi
Spatial mapping, the location in space of a perceived location due to an implanted electrode's electrical stimulation is important in the design of visual prostheses. Generally, a visual prosthesis system consists of an implanted electrode array, an external camera that acquires the image, and a transmitter that sends the information to the implanted electrodes. In cortical visual implant, the layout of the implanted array in most cases does not match the retinotopic map and it is necessary to find the location of the percept of each electrode in world coordinates...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227412/development-of-a-real-time-lumbar-ultrasound-image-processing-system-for-epidural-needle-entry-site-localization
#13
Yusong Leng, Shuang Yu, Kok Kiong Tan, Philip Tildsley, Alex Tiong Heng Sia, Ban Leong Sng, Yusong Leng, Shuang Yu, Kok Kiong Tan, Philip Tildsley, Alex Tiong Heng Sia, Ban Leong Sng, Yusong Leng, Shuang Yu, Philip Tildsley, Ban Leong Sng, Kok Kiong Tan
A fully-automatic ultrasound image processing system that can determine the needle entry site for epidural anesthesia (EA) in real time is presented in this paper. Neither the knowledge of anesthetists nor additional hardware is required to operate the system, which firstly directs the anesthetists to reach the desired insertion region in the longitudinal view, i.e., lumbar level L3-L4, and then locates the ideal puncture site by instructing the anesthetists to rotate and slightly adjust the position of ultrasound probe...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225733/supporting-the-call-to-action-a-review-of-nutrition-educational-interventions-in-the-health-professions-literature-and-mededportal
#14
Timothy M Dang, Lauren A Maggio
PURPOSE: Despite calls to improve nutrition education, training for medical students is inadequate. This systematic review provides an overview of published educational interventions for undergraduate-level health professionals and makes recommendations for improving nutrition training. METHOD: The authors conducted a systematic review of articles (through July 16, 2015) and examined resources in MedEdPORTAL (through September 28, 2015) focused on materials published since January 2004 that describe nutrition educational interventions for undergraduate-level health professionals...
March 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28218591/explicit-or-hidden-exploring-how-occupation-is-taught-in-occupational-therapy-curricula-in-the-united-states
#15
Sheama Krishnagiri, Barb Hooper, Pollie Price, Steven D Taff, Andrea Bilics
OBJECTIVE: Occupation is considered core and threshold knowledge for occupational therapy, yet how it is conveyed through education is not well understood. This study examined how the concept of occupation was taught in occupational therapy and occupational therapy assistant curricula in the United States. METHOD: Using a qualitative descriptive research design, in-depth interviews, video recordings, and artifacts of teaching occupation were collected from 25 programs, chosen using stratified random sampling...
March 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28217414/dance-balance-and-core-muscle-performance-measures-are-improved-following-a-9-week-core-stabilization-training-program-among-competitive-collegiate-dancers
#16
Todd Watson, Jessica Graning, Sue McPherson, Elizabeth Carter, Joshuah Edwards, Isaac Melcher, Taylor Burgess
BACKGROUND: Dance performance requires not only lower extremity muscle strength and endurance, but also sufficient core stabilization during dynamic dance movements. While previous studies have identified a link between core muscle performance and lower extremity injury risk, what has not been determined is if an extended core stabilization training program will improve specific measures of dance performance. HYPOTHESIS/PURPOSE: This study examined the impact of a nine-week core stabilization program on indices of dance performance, balance measures, and core muscle performance in competitive collegiate dancers...
February 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28216463/successful-application-of-large-microneedle-patches-by-human-volunteers
#17
Anastasia Ripolin, James Quinn, Eneko Larrañeta, Eva Maria Vicente-Perez, Johanne Barry, Ryan F Donnelly
We describe, for the first time, the design, production and evaluation of large microneedle patches. Such systems, based on 16 individual microneedle arrays (needle height 600μm), were prepared from aqueous blends of 15% w/w Gantrez(®) S97 and 7.5% w/w poly(ethyleneglycol) 10,000Da. Ester-based crosslinking was confirmed by FTIR and mechanical strength was good. Insertion depths in a validated skin model were approximately 500μm. Ten human volunteers successfully self-inserted the microneedles of these larger patches in their skin, following appropriate instruction, as confirmed by transepidermal water loss measurements...
February 16, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28214051/effects-of-a-straw-phonation-protocol-on-acoustic-measures-of-an-satb-chorus-singing-two-contrasting-renaissance-works
#18
Jeremy N Manternach, Chad Clark, James F Daugherty
BACKGROUND: Researchers have found that semi-occluded vocal tract (SOVT) exercises may increase vocal economy by reducing phonation threshold pressure and effort while increasing or maintaining consistent acoustic output. This research has focused solely on individual singers. Much singing instruction, however, takes place in choral settings. Choral singers may use different resonance strategies or unconsciously adjust their singing based on the ability to hear their own sound in relation to others...
February 14, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28213153/critical-thinking-instruction-and-technology-enhanced-learning-from-the-student-perspective-a-mixed-methods-research-study
#19
Ruth Swart
Critical thinking is acclaimed as a valuable asset for graduates from higher education programs. Technology has advanced in quantity and quality; recognized as a requirement of 21st century learners. A mixed methods research study was undertaken, examining undergraduate nursing student engagement with critical thinking instruction, platformed on two technology-enhanced learning environments: a classroom response system face-to-face in-class and an online discussion forum out-of-class. The Community of Inquiry framed the study capturing constructivist collaborative inquiry to support learning, and facilitate critical thinking capability...
February 4, 2017: Nurse Education in Practice
https://www.readbyqxmd.com/read/28212096/system-level-design-of-a-64-channel-low-power-neural-spike-recording-sensor
#20
Manuel Delgado-Restituto, Alberto Rodriguez-Perez, Angela Darie, Cristina Soto-Sanchez, Eduardo Fernandez-Jover, Angel Rodriguez-Vazquez
This paper reports an integrated 64-channel neural spike recording sensor, together with all the circuitry to process and configure the channels, process the neural data, transmit via a wireless link the information and receive the required instructions. Neural signals are acquired, filtered, digitized and compressed in the channels. Additionally, each channel implements an auto-calibration algorithm which individually configures the transfer characteristics of the recording site. The system has two transmission modes; in one case the information captured by the channels is sent as uncompressed raw data; in the other, feature vectors extracted from the detected neural spikes are released...
February 13, 2017: IEEE Transactions on Biomedical Circuits and Systems
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