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https://www.readbyqxmd.com/read/28645861/protective-effect-of-lycium-barbarum-polysaccharides-on-dextromethorphan-induced-mood-impairment-and-neurogenesis-suppression
#1
Kevin Kai-Ting Po, Joseph Wai-Hin Leung, Jackie Ngai-Man Chan, Timothy Kai-Hang Fung, Dalinda Isabel Sánchez-Vidaña, Emily Lok-Lam Sin, Kwok-Fai So, Benson Wui-Man Lau, Andrew Man-Hong Siu
Dextromethorphan (DXM) is one of the common drugs abused by adolescents. It is the active ingredient found in cough medicine which is used for suppressing cough. High dosage of DXM can induce euphoria, dissociative effects and even hallucinations. Chronic use of DXM may also lead to depressive-related symptoms. Lycium barbarum, commonly known as wolfberry, has been used as a traditional Chinese medicine for the treatment of ageing-related neurodegenerative diseases. A recent study has shown the potential beneficial effect of Lycium barbarum to reduce depression-like behavior...
June 20, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28644913/supplement-2-for-the-2004-update-of-the-aapm-task-group-no-43-report-joint-recommendations-by-the-aapm-and-gec-estro
#2
Mark J Rivard, Facundo Ballester, Wayne M Butler, Larry A DeWerd, Geoffrey S Ibbott, Ali S Meigooni, Christopher S Melhus, Michael G Mitch, Ravinder Nath, Panagiotis Papagiannis
Since publication of the 2004 update to the American Association of Physicists in Medicine (AAPM) Task Group No. 43 Report (TG-43U1) and its 2007 supplement (TG-43U1S1), several new low-energy photon-emitting brachytherapy sources have become available. Many of these sources have satisfied the AAPM prerequisites for routine clinical purposes and are posted on the Brachytherapy Seed Registry managed jointly by the AAPM and the Imaging and Radiation Oncology Core Houston Quality Assurance Center (IROC Houston)...
June 23, 2017: Medical Physics
https://www.readbyqxmd.com/read/28642805/a-simple-method-for-hplc-retention-time-prediction-linear-calibration-using-two-reference-substances
#3
Lei Sun, Hong-Yu Jin, Run-Tao Tian, Ming-Juan Wang, Li-Na Liu, Liu-Ping Ye, Tian-Tian Zuo, Shuang-Cheng Ma
BACKGROUND: Analysis of related substances in pharmaceutical chemicals and multi-components in traditional Chinese medicines needs bulk of reference substances to identify the chromatographic peaks accurately. But the reference substances are costly. Thus, the relative retention (RR) method has been widely adopted in pharmacopoeias and literatures for characterizing HPLC behaviors of those reference substances unavailable. The problem is it is difficult to reproduce the RR on different columns due to the error between measured retention time (tR) and predicted tR in some cases...
2017: Chinese Medicine
https://www.readbyqxmd.com/read/28641542/functional-nanoparticles-and-their-interactions-with-mesenchymal-stem-cells
#4
Weiwei Wang, Zijun Deng, Xun Xu, Zhengdong Li, Friedrich Jung, Nan Ma, Andreas Lendlein
Mesenchymal stem cells (MSCs) have become one of the most important cell sources for regenerative medicine. However, some mechanisms of MSC-based therapy are still not fully understood. The clinical outcome may be restricted by some MSC-related obstacles such as the low survival rate, differentiation into undesired lineages and malignant transformation. In recent years, with the emergence of nanotechnology, various types of multifunctional nanoparticles (NPs) have been designed, prepared and explored for bio-related applications...
June 22, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28640681/crowdsourced-health-data-comparability-to-a-us-national-survey-2013-2015
#5
Veronica Yank, Sanjhavi Agarwal, Pooja Loftus, Steven Asch, David Rehkopf
OBJECTIVES: To determine the generalizability of crowdsourced, electronic health data from self-selected individuals using a national survey as a reference. METHODS: Using the world's largest crowdsourcing platform in 2015, we collected data on characteristics known to influence cardiovascular disease risk and identified comparable data from the 2013 Behavioral Risk Factor Surveillance System. We used age-stratified logistic regression models to identify differences among groups...
June 22, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28640033/how-attending-physician-preceptors-negotiate-their-complex-work-environment-a-collective-ethnography
#6
Jane B Lemaire, Jean E Wallace, Peter M Sargious, Maria Bacchus, Kelly Zarnke, David R Ward, William A Ghali
PURPOSE: To generate an empiric, detailed, and updated view of the attending physician preceptor role and its interface with the complex work environment. METHOD: In 2013, the authors conducted a modified collective ethnography with observations of internal medicine medical teaching unit preceptors from two university hospitals in Canada. Eleven observers conducted 32 observations (99.5 hours) of 26 preceptors (30 observations [93.5 hours] of 24 preceptors were included in the analysis)...
June 20, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28640026/what-is-the-relationship-between-a-preclerkship-portfolio-review-and-later-performance-in-clerkships
#7
Celia Laird O'Brien, John X Thomas, Marianne M Green
PURPOSE: Medical educators struggle to find effective ways to assess essential competencies such as communication, professionalism, and teamwork. Portfolio-based assessment provides one method of addressing this problem by allowing faculty reviewers to judge performance, as based on a longitudinal record of student behavior. At the Feinberg School of Medicine, the portfolio system measures behavioral competence using multiple assessments collected over time. This study examines whether a preclerkship portfolio review is a valid method of identifying problematic student behavior affecting later performance in clerkships...
June 20, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28639394/transferrin-conjugated-magnetic-dextran-spermine-nanoparticles-for-targeted-drug-transport-across-blood-brain-barrier
#8
Maryam Ghadiri, Ebrahim Vasheghani-Farahani, Fatemeh Atyabi, Farzad Kobarfard, Farzaneh Mohamadyar-Toupkanlou, Hossein Hosseinkhani
Application of many vital hydrophilic medicines have been restricted by blood-brain barrier (BBB) for treatment of brain diseases. In this study, a targeted drug delivery system based on dextran-spermine biopolymer was developed for drug transport across BBB. Drug loaded magnetic dextran-spermine nanoparticles (DS-NPs) were prepared via ionic gelation followed by transferrin (Tf) conjugation as targeting moiety. The characteristics of Tf conjugated nanoparticles (TDS-NPs) were analyzed by different methods and their cytotoxicity effects on U87MG cells were tested...
June 22, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28638781/bioinspired-mechano-sensitive-macroporous-ceramic-sponge-for-logical-drug-and-cell-delivery
#9
Changlu Xu, Zhihao Wei, Huajian Gao, Yanjie Bai, Huiling Liu, Huilin Yang, Yuekun Lai, Lei Yang
On-demand, ultrahigh precision delivery of molecules and cells assisted by scaffold is a pivotal theme in the field of controlled release, but it remains extremely challenging for ceramic-based macroporous scaffolds that are prevalently used in regenerative medicine. Sea sponges (Phylum Porifera), whose bodies possess hierarchical pores or channels and organic/inorganic composite structures, can delicately control water intake/circulation and therefore achieve high precision mass transportation of food, oxygen, and wastes...
June 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28638746/a-quantitative-study-on-anonymity-and-professionalism-within-an-online-free-open-access-medical-education-community
#10
Daneilla Dimitri, Andrea Gubert, Amanda B Miller, Brent Thoma, Teresa Chan
The increasing use of social media to share knowledge in medical education has led to concerns about the professionalism of online medical learners and physicians. However, there is a lack of research on the behavior of professionals within open online discussions. In 2013, the Academic Life in Emergency Medicine website (ALiEM.com) launched a series of moderated online case discussions that provided an opportunity to explore the relationship between anonymity and professionalism. Comments from 12 case discussions conducted over a one-year period were analyzed using modified scales of anonymity and professionalism derived by Kilner and Hoadley...
September 18, 2016: Curēus
https://www.readbyqxmd.com/read/28638516/a-professionalism-curricular-model-to-promote-transformative-learning-among-residents
#11
Cecile M Foshee, Ali Mehdi, S Beth Bierer, Elias I Traboulsi, J Harry Isaacson, Abby Spencer, Cassandra Calabrese, Brian B Burkey
BACKGROUND: Using the frameworks of transformational learning and situated learning theory, we developed a technology-enhanced professionalism curricular model to build a learning community aimed at promoting residents' self-reflection and self-awareness. The RAPR model had 4 components: (1) Recognize: elicit awareness; (2) Appreciate: question assumptions and take multiple perspectives; (3) Practice: try new/changed perspectives; and (4) Reflect: articulate implications of transformed views on future actions...
June 2017: Journal of Graduate Medical Education
https://www.readbyqxmd.com/read/28636579/regeneration-orientation-is-better-than-resistance-orientation-in-behaviour-activation-results-from-an-intervention-study-with-psychosomatic-patients
#12
Josephine Otto, Michael Linden
The meaning of positive activities in mental health is widely known and found its entrance in therapeutically and empirical work. It also found it's entrance to current therapeutic developments. Different strategies for assessment and promotion of activity level exist. Patients were acquired from a department of psychosomatic medicine in a German rehabilitation center and randomly allocated to two treatment groups ("regeneration" vs "resistance" group). Data from 62 patients in the regeneration group and 65 patients in the resistance group was compared with 43 patients who received a "treatment as usual"...
June 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28635971/exercise-among-women-with-ovarian-cancer-a-feasibility-and-pre-post-test-exploratory-pilot-study
#13
Xiaochen Zhang, Daniel McClean, Emily Ko, Mark A Morgan, Kathryn Schmitz
PURPOSE/OBJECTIVES: To establish the feasibility and acceptability of completing a higher dose of the planned physical activity volume among women with ovarian cancer, including those undergoing active treatment. 
. DESIGN: A pre-/post-test exercise intervention. All participants were asked to complete 225 minutes per week of physical activity for 26 weeks. Multiple supports were provided, including exercise DVDs, self-reported logs, and an objective physical activity tracker (Fitbit®)...
May 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28634371/factors-related-to-good-asthma-control-using-different-medical-adherence-scales-in-latvian-asthma-patients-an-observational-study
#14
Dins Smits, Girts Brigis, Jana Pavare, Baiba Maurina, Noël Christopher Barengo
One of the main challenges in asthma control is adherence to pharmaceutical treatment. The aim of this study was to test the association between adherence to asthma medication, control and medical beliefs, cognitive and emotional perceptions using three different validated questionnaires. Beliefs about asthma medicine, cognitive and emotional factors were determined in a cross-sectional survey of patients attending outpatient pulmonologist practices in Latvia (n = 352). The validated Beliefs about Medicines Questionnaire and the Brief Illness Perception Questionnaire were used...
June 20, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28633884/differences-in-practice-characteristics-between-male-and-female-chiropractors-in-switzerland
#15
Regina Vollenweider, Cynthia K Peterson, B Kim Humphreys
OBJECTIVES: A total of 75% of the chiropractic medicine students in the new program at the University of Zürich are women, which is in stark contrast to the traditional ratio of chiropractors in Switzerland, where 75% have been men. Therefore, the purpose of this study was to compare work behaviors between female and male chiropractors relating to workload, patient variety, and chiropractic treatment techniques. METHODS: This is a secondary analysis of data from the Swiss Job Analysis 2009 study...
June 17, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28633563/mammalian-synthetic-biology-engineering-biological-systems
#16
Joshua B Black, Pablo Perez-Pinera, Charles A Gersbach
The programming of new functions into mammalian cells has tremendous application in research and medicine. Continued improvements in the capacity to sequence and synthesize DNA have rapidly increased our understanding of mechanisms of gene function and regulation on a genome-wide scale and have expanded the set of genetic components available for programming cell biology. The invention of new research tools, including targetable DNA-binding systems such as CRISPR/Cas9 and sensor-actuator devices that can recognize and respond to diverse chemical, mechanical, and optical inputs, has enabled precise control of complex cellular behaviors at unprecedented spatial and temporal resolution...
June 21, 2017: Annual Review of Biomedical Engineering
https://www.readbyqxmd.com/read/28630964/an-insertion-self-fusion-mechanism-for-cell-membrane-immobilization-on-porous-silica-beads-to-fabricate-biomimic-carriers
#17
Xu Wang, Liang Xu, Ruizhi Mao, Xinchao Zhao, Bei Xu, Cheng Tang, Jiahui He, Yanwen Zhang
Immobilization of membrane proteins on solid supports with high stability, favorable reusability and prevention of contamination is of great interest in nanobiology and medicine. Cell membrane coating technology enables the membrane proteins associated with their surrounding membranes to co-immobilize onto the solid matrix, largely enhancing the loading efficiency and conserving the bioactivity of the membrane proteins. Herein, we systematically illustrate the mechanism of cell membrane immobilization on porous silica beads, facilitating the fabricated biomimic carriers applied for chromatography...
June 20, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28630818/ethical-considerations-for-interdisciplinary-collaboration-with-prescribing-professionals
#18
Mindy K Newhouse-Oisten, Kimberly M Peck, Alissa A Conway, Jessica E Frieder
Behavior analysts often work as part of an interdisciplinary team, and different team members may prescribe different interventions for a single client. One such intervention that is commonly encountered is a change in medication. Changes in medication regimens have the potential to alter behavior in a number of ways. As such, it is important for all team members to be aware of every intervention and to consider how different interventions may interact with each other. These facts make regular and clear communication among team members vital for treatment success...
June 2017: Behavior Analysis in Practice
https://www.readbyqxmd.com/read/28629411/prevalence-and-predictors-of-complementary-and-alternative-medicine-use-among-people-with-coronary-heart-disease-or-at-risk-for-this-in-the-sixth-troms%C3%A3-study-a-comparative-analysis-using-protection-motivation-theory
#19
Agnete E Kristoffersen, Fuschia M Sirois, Trine Stub, Anne Helen Hansen
BACKGROUND: Engagement in healthy lifestyle behaviors, such as healthy diet and regular physical activity, are known to reduce the risk of developing coronary heart disease (CHD). Complementary and alternative medicine (CAM) is known to be associated with having a healthy lifestyle. The primary aim of this study was to examine the prevalence and predictors of CAM use in CHD patients, and in those without CHD but at risk for developing CHD, using Protection Motivation Theory (PMT) as a guiding conceptual framework...
June 19, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28627319/selection-and-evaluation-of-media-for-behavioral-health-interventions-employing-critical-media-analysis
#20
Patrick A Wilson, Emily M Cherenack, Laura Jadwin-Cakmak, Gary W Harper
Although a growing number of psychosocial health promotion interventions use the critical analysis of media to facilitate behavior change, no specific guidelines exist to assist researchers and practitioners in the selection and evaluation of culturally relevant media stimuli for intervention development. Mobilizing Our Voices for Empowerment is a critical consciousness-based health enhancement intervention for HIV-positive Black young gay/bisexual men that employs the critical analysis of popular media. In the process of developing and testing this intervention, feedback on media stimuli was collected from youth advisory board members (n = 8), focus group participants (n = 19), intervention participants (n = 40), and intervention facilitators (n = 6)...
June 1, 2017: Health Promotion Practice
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