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https://www.readbyqxmd.com/read/28103723/scholar-outcomes-for-dental-internship-research-program-in-saudi-arabia-a-qualitative-evaluation
#1
Laila A Bahammam, Amal I Linjawi
OBJECTIVE: To explore the potential, challenges and needs for internship research activities in achieving scholar outcomes among graduates. METHODS: A qualitative general needs assessment and evaluation of an internship research program was conducted at King Abdulaziz University, Faculty of Dentistry (KAUFD), KSA, from December 2014 to February 2015 using focus groups and interviews. The participants included: administrates, faculty, and internship students. Data were transcribed and analyzed following the grounded theory...
January 20, 2017: Medical Teacher
https://www.readbyqxmd.com/read/28102397/highly-exposed-fe-n4-active-sites-in-porous-poly-iron-phthalocyanine-based-oxygen-reduction-electrocatalyst-with-ultrahigh-performance-for-air-cathode
#2
Ganesan Anandhababu, Syed Comail Abbas, Jiangquan Lv, Kui Ding, Qin Liu, Dickson D Babu, Yiyin Huang, Jiafang Xie, Maoxiang Wu, Yaobing Wang
Progress in the development of efficient electrocatalysts for oxygen reduction reactions is imperative for various energy systems such as metal-air batteries and fuel cells. In this paper, an innovative porous two-dimensional (2D) poly-iron-phthalocyanine (PFe-Pc) based oxygen reduction electrocatalyst created with a simple solid-state chemical reaction without pyrolysis is reported. In this strategy, silicon dioxide nanoparticles play a pivotal role in preserving the Fe-N4 structure during the polymerization process and thereby assist in the development of a porous structure...
January 19, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28099453/elimination-of-porcine-epidemic-diarrhea-virus-in-an-animal-feed-manufacturing-facility
#3
Anne R Huss, Loni L Schumacher, Roger A Cochrane, Elizabeth Poulsen, Jianfa Bai, Jason C Woodworth, Steve S Dritz, Charles R Stark, Cassandra K Jones
Porcine Epidemic Diarrhea Virus (PEDV) was the first virus of wide scale concern to be linked to possible transmission by livestock feed or ingredients. Measures to exclude pathogens, prevent cross-contamination, and actively reduce the pathogenic load of feed and ingredients are being developed. However, research thus far has focused on the role of chemicals or thermal treatment to reduce the RNA in the actual feedstuffs, and has not addressed potential residual contamination within the manufacturing facility that may lead to continuous contamination of finished feeds...
2017: PloS One
https://www.readbyqxmd.com/read/28098920/-too-long-in-tbs-a-study-on-patients-receiving-forensic-psychiatric-tbs-treatment-for-15-years-or-longer
#4
H Nijman, S Lammers, M Vrinten, E Bulten
In 2013 in the Netherlands about 100 forensic psychiatric patients were treated in tbs-hospitals for 15 years or more.<br/> AIM: To investigate the variables that characterise patients who have been receiving forensic psychiatric treatment (tbs) for 15 years or more, and to obtain insight in which actions might be helpful to facilitate discharge or transfer of such patients to other (mental health care) facilities, according to their caregivers and experts.<br/> METHOD: The group of long-term tbs-patients (n = 97) was compared with regard to diagnostic characteristics, 'basic historical risks' (as assessed by risk assessment instruments), and behaviour  to three other groups of forensic patients: a...
2017: Tijdschrift Voor Psychiatrie
https://www.readbyqxmd.com/read/28081201/complex-network-analysis-for-characterizing-global-value-chains-in-equipment-manufacturing
#5
Hao Xiao, Tianyang Sun, Bo Meng, Lihong Cheng
The rise of global value chains (GVCs) characterized by the so-called "outsourcing", "fragmentation production", and "trade in tasks" has been considered one of the most important phenomena for the 21st century trade. GVCs also can play a decisive role in trade policy making. However, due to the increasing complexity and sophistication of international production networks, especially in the equipment manufacturing industry, conventional trade statistics and the corresponding trade indicators may give us a distorted picture of trade...
2017: PloS One
https://www.readbyqxmd.com/read/28068384/hypoxia-regulates-mtorc1-mediated-keratinocyte-motility-and-migration-via-the-ampk-pathway
#6
Tiantian Yan, Junhui Zhang, Di Tang, Xingyue Zhang, Xupin Jiang, Liping Zhao, Qiong Zhang, Dongxia Zhang, Yuesheng Huang
Keratinocyte migration, the initial event and rate-limiting step in wound healing, plays a vital role in restoration of the intact skin barrier, also known as re-epithelialization. After acute tissue injury, hypoxic microenvironment gradually develops and acts as an early stimulus to initiate the healing process. Although we have previously found that hypoxia induces keratinocyte migration, the underlying mechanism remains unknown. Here, we first observed that hypoxia increased mTORC1 activity. Recombinant lentivirus vector and Rapamycin were used for silencing mTORC1 in HaCaT cells and primary mouse keratinocytes (MKs)...
2017: PloS One
https://www.readbyqxmd.com/read/28067737/facial-trauma-in-sports
#7
James Leinhart, James Toldi, Matthew Tennison
Injuries resulting from facial trauma are common in all sports. Athlete-to-athlete contact, falls, and blows from equipment account for the majority of these events. Appropriate knowledge of basic science, relevant anatomy, and clinical skills is required to provide the correct medical care. While true medical emergencies are infrequent, a prompt accurate diagnosis is essential in developing targeted management and return to play options.
January 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28056908/an-evaluation-of-outdoor-school-environments-to-promote-physical-activity-in-delhi-india
#8
Samiksha Tarun, Monika Arora, Tina Rawal, Sara E Benjamin Neelon
BACKGROUND: Increasing physical activity in children is an important public health goal in India. Schools may be a target for physical activity promotion, but little is known about outdoor school environments. The purpose of this study was to describe characteristics of the surrounding outdoor school environments that may promote children's physical activity in Delhi, India. METHODS: For this cross-sectional study, we conducted a structured observation of outdoor school environments in a random sample of 16 private schools in Delhi, India using the Sport, Physical activity and Eating behavior: Environmental Determinants in Young people (SPEEDY) audit tool...
January 5, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28048153/su-f-p-33-combining-research-and-professional-practice-in-the-clinical-setting-a-medical-physicist-personal-experience
#9
J L Oacutepez-Tarjuelo
PURPOSE: To initiate a discussion on the current and evolving role of Medical Physicists based on author's professional and research experience in patient safety and quality control. METHODS: Several professionals of the departments of Medical Physics and Radiation Oncology, chiefly devoted to clinical tasks, began a research program on patient safety and quality control in a framework provided by the implementation of intraoperative radiotherapy (IORT). We performed studies on virtual simulation for IORT, in vivo dosimetry, failure mode and effect analysis (FMEA), statistical process control (SPC), and receiver operating characteristics of dosimetric equipment...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28029612/what-are-the-most-common-domains-of-the-core-competencies-of-disaster-nursing-a-scoping-review
#10
REVIEW
Abdullelah Al Thobaity, Virginia Plummer, Brett Williams
AIM: Scoping review was conducted to identify the most common domains of the core competencies of disaster nursing. BACKGROUND: Nurses play an essential role in all phases of disaster management. For nurses to respond competently, they must be equipped with the skills to provide comprehensive and holistic care to the populations affected by or at risk of disasters. METHODS: A scoping review was conducted using the Joanna Briggs Institute methodology...
October 28, 2016: International Emergency Nursing
https://www.readbyqxmd.com/read/28028671/anesthesia-considerations-for-patients-with-an-implanted-deep-brain-stimulator-undergoing-surgery-a-review-and-update
#11
Tze Yeng Yeoh, Pirjo Manninen, Suneil K Kalia, Lashmi Venkatraghavan
PURPOSE: Deep brain stimulation (DBS) can be an effective treatment option for patients with essential tremor and Parkinson's disease. This review provides an overview on the functioning of neurostimulators and recent advances in this technology and presents an updated guide on the anesthetic management of patients with an implanted neurostimulator undergoing surgery or medical intervention. SOURCE: A search was conducted on MEDLINE®, EMBASE™, and Cochrane Database of Systematic Reviews databases to identify studies published in English from 1974 to December 2015...
December 27, 2016: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28026117/molecular-elements-of-pheromone-detection-in-the-female-moth-heliothis-virescens
#12
Monika Zielonka, Heinz Breer, Jürgen Krieger
Pheromones play pivotal roles in the reproductive behavior of moths, most prominently for the mate finding of male moths. Accordingly, the molecular basis for the detection of female-released pheromones by male moths has been studied in great detail. In contrast, little is known about how females can detect pheromone components released by themself or by conspecifics. In this study we assessed the antenna of female Heliothis virescens for elements of pheromone detection. In accordance with previous findings that female antennae respond to the sex pheromone component (Z)-9-tetradecenal, we identified olfactory sensory neurons that express its cognate receptor, the receptor type HR6...
December 27, 2016: Insect Science
https://www.readbyqxmd.com/read/28024400/cheminformatics-modeling-of-adverse-drug-responses-by-clinically-relevant-mutants-of-human-androgen-receptor
#13
Naman Paul, Lavinia A Carabet, Nada Lallous, Takeshi Yamazaki, Martin E Gleave, Paul S Rennie, Artem Cherkasov
The human androgen receptor (AR) is a ligand-activated transcription factor that plays a pivotal role in the development and progression of prostate cancer (PCa). Many forms of castration-resistant prostate cancer (CRPC) still rely on the AR for survival. Currently used antiandrogens face clinical limitations as drug resistance develops in patients over time since they all target the mutation-prone androgen binding site (ABS), where gain-of-function mutations eventually convert antagonists into agonists. With a significant number of reported distinct mutations located across the ABS, it is imperative to develop a prognostic platform which would equip clinicians with prior knowledge and actionable strategies if cases of previously unreported AR mutations are encountered...
December 27, 2016: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28007399/evaluating-the-methylation-status-of-cxcr4-promoter-a-cost-effective-and-sensitive-two-step-pcr-method
#14
Valentina Bianchessi, Andrea Lauri, Vera Vigorelli, Martina Toia, Maria Cristina Vinci
The chemokine receptor CXCR4 plays a key role in the bone marrow microenvironment maintenance and in the hematopoietic stem and progenitor cells migration. In addition, CXCR4 is expressed in a broad spectrum of solid tumors where its methylation state has been recently proposed as a biomarker for cancer prognosis. To evaluate methylation status of CXCR4 promoter we developed a sensitive, accurate, specific and cost-effective two-step PCR method that does not require any specific equipment other than a conventional real-time PCR instrument...
February 15, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/27999616/bioelectronic-nose-and-its-application-to-smell-visualization
#15
REVIEW
Hwi Jin Ko, Tai Hyun Park
There have been many trials to visualize smell using various techniques in order to objectively express the smell because information obtained from the sense of smell in human is very subjective. So far, well-trained experts such as a perfumer, complex and large-scale equipment such as GC-MS, and an electronic nose have played major roles in objectively detecting and recognizing odors. Recently, an optoelectronic nose was developed to achieve this purpose, but some limitations regarding the sensitivity and the number of smells that can be visualized still persist...
2016: Journal of Biological Engineering
https://www.readbyqxmd.com/read/27987615/practice-patterns-of-endovenous-ablation-therapy-for-the-treatment-of-venous-reflux-disease
#16
Faisal Aziz, Jose Diaz, John Blebea, Fedor Lurie
OBJECTIVE: The purpose of this study was to assess practice patterns of endovenous ablation therapy for the treatment of venous reflux disease among the vein specialist members of the American Venous Forum (AVF). METHODS: An online survey was conducted of AVF members designed to identify demographics, treatment practices, and clinical variables in the selection of vein ablation devices. RESULTS: The survey was distributed to 798 practicing physicians, of whom 129 (16%) responded...
January 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/27979411/high-school-football-and-late-life-risk-of-neurodegenerative-syndromes-1956-1970
#17
Pieter H H Janssen, Jay Mandrekar, Michelle M Mielke, J Eric Ahlskog, Bradley F Boeve, Keith Josephs, Rodolfo Savica
OBJECTIVE: To assess whether athletes who played American varsity high school football between 1956 and 1970 have an increased risk of neurodegenerative diseases later in life. PATIENTS AND METHODS: We identified all male varsity football players between 1956 and 1970 in the public high schools of Rochester, Minnesota, and non-football-playing male varsity swimmers, wrestlers, and basketball players. Using the medical records linkage system of the Rochester Epidemiology Project, we ascertained the incidence of late-life neurodegenerative diseases: dementia, parkinsonism, and amyotrophic lateral sclerosis...
January 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/27920890/mesoporous-silica-nanoparticles-equipped-with-surface-nanovalves-for-ph-controlled-liberation-of-doxorubicin
#18
N V Roik, L A Belyakova
Silica carriers equipped with molecular and supramolecular pH-sensitive nanovalves were designed by combination of sol-gel synthesis and selective postsynthetic modification. Mesoporous structure of synthesized materials was characterized by low-temperature nitrogen adsorption-desorption, small-angle X-ray diffraction and transmission electron microscopy. Chemical immobilization of N-[N'-(N'-phenyl)-2-aminophenyl]aminoalkyl groups was confirmed by IR spectral and chemical analyses of surface layer. Loading and release behaviour of synthesized drug carriers was studied in phosphate buffer solutions with pH 5...
December 6, 2016: Interface Focus
https://www.readbyqxmd.com/read/27920584/evaluation-management-and-prevention-of-lower-extremity-youth-ice-hockey-injuries
#19
REVIEW
Charles A Popkin, Brian M Schulz, Caroline N Park, Thomas S Bottiglieri, T Sean Lynch
Ice hockey is a fast-paced sport played by increasing numbers of children and adolescents in North America and around the world. Requiring a unique blend of skill, finesse, power and teamwork, ice hockey can become a lifelong recreational activity. Despite the rising popularity of the sport, there is ongoing concern about the high frequency of musculoskeletal injury associated with participation in ice hockey. Injury rates in ice hockey are among the highest in all competitive sports. Numerous research studies have been implemented to better understand the risks of injury...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27913658/social-determinants-and-teen-pregnancy-prevention
#20
Taleria R Fuller, Carla P White, Jocelyn Chu, Deborah Dean, Naomi Clemmons, Carmen Chaparro, Jessica L Thames, Anitra Belle Henderson, Pebbles King
Addressing the social determinants of health (SDOH) that influence teen pregnancy is paramount to eliminating disparities and achieving health equity. Expanding prevention efforts from purely individual behavior change to improving the social, political, economic, and built environments in which people live, learn, work, and play may better equip vulnerable youth to adopt and sustain healthy decisions. In 2010, the Centers for Disease Control and Prevention in partnership with the Office of Adolescent Health funded state- and community-based organizations to develop and implement the Teen Pregnancy Prevention Community-Wide Initiative...
December 1, 2016: Health Promotion Practice
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