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https://www.readbyqxmd.com/read/29339834/use-of-multicolor-fluorescence-in-situ-hybridization-to-detect-deletions-in-clinical-tissue-sections
#1
REVIEW
Maisa Yoshimoto, Olga Ludkovski, Jennifer Good, Ciro Pereira, Robert J Gooding, Jean McGowan-Jordan, Alexander Boag, Andrew Evans, Ming-Sound Tsao, Paulo Nuin, Jeremy A Squire
A variety of laboratory methods are available for the detection of deletions of tumor suppressor genes and losses of their proteins. The clinical utility of fluorescence in situ hybridization (FISH) for the identification of deletions of tumor suppressor genes has previously been limited by difficulties in the interpretation of FISH signal patterns. The first deletion FISH assays using formalin-fixed paraffin-embedded tissue sections had to deal with a significant background level of signal losses affecting nuclei that are truncated by the cutting process of slide preparation...
January 16, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29338694/development-of-a-physical-literacy-model-for-older-adults-a-consensus-process-by-the-collaborative-working-group-on-physical-literacy-for-older-canadians
#2
Gareth R Jones, Liza Stathokostas, Bradley W Young, Andrew V Wister, Shirley Chau, Patricia Clark, Mary Duggan, Drew Mitchell, Peter Nordland
BACKGROUND: Arguably the uptake and usability of the physical activity (PA) guidelines for older adults has not been effective with only 12% of this population meeting the minimum guidelines to maintain health. Health promoters must consider innovative ways to increase PA adoption and long-term sustainability. Physical literacy (PL) is emerging as a promising strategy to increase lifelong PA participation in younger age-groups, yet there is relatively little evidence of PL being used to support older adults in achieving the PA guidelines...
January 16, 2018: BMC Geriatrics
https://www.readbyqxmd.com/read/29337659/determination-of-five-tetracyclines-and-their-epimers-by-lc-ms-ms-based-on-a-liquid-liquid-extraction-with-low-temperature-partitioning
#3
Aurélien Desmarchelier, Sébastien Anizan, Mai Minh Tien, Marie-Claude Savoy, Cindy Bion
A LC-MS/MS method is presented for screening five tetracyclines and their epimers in a broad range of food products. The scope of matrices includes meat-, fish-, seafood-based products, various dairy ingredients, infant formulae and fats. The method principle is based on a liquid-liquid extraction with aqueous ethylenediaminetetraacetic acid (EDTA) and acetonitrile followed by a freezing step to promote phase separation at low temperature. After defatting with hexane, sample extracts were evaporated and reconstituted before injection onto the LC-MS/MS system...
January 16, 2018: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/29331859/development-of-a-method-to-determine-axitinib-lapatinib-and-afatinib-in-plasma-by-micellar-liquid-chromatography-and-validation-by-the-european-medicines-agency-guidelines
#4
Jaume Albiol-Chiva, Josep Esteve-Romero, Juan Peris-Vicente
A method based on micellar liquid chromatography to quantify the tyrosine kinase inhibitors axitinib, lapatinib and afatinib in plasma is reported. The sample pretreatment was a simple 1/5-dilution in a pure micellar solution, filtration and direct injection, without requiring extraction or purification steps. The three drugs were resolved from the matrix in 17min, using an aqueous solution of 0.07M sodium dodecyl sulfate - 6.0% 1-pentanol, buffered at pH7 with 0.01M phosphate salt as mobile phase, running under isocratic mode at 1mL/min through a C18 column...
January 2, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29330009/the-almanach-project-preliminary-results-and-potentiality-from-afghanistan
#5
A Bernasconi, F Crabbé, R Rossi, I Qani, A Vanobberghen, M Raab, S Du Mortier
INTRODUCTION: ALMANACH (ALgorithms for the MANagement of Acute CHildhood illnesses) is an electronic version of IMCI (Integrated Management of Childhood Illness) running on tablets. ALMANACH enhances its concept, it integrates well into health staff's daily consultation work and facilitates diagnosis and treatment. ALMANACH informs when to refer a child or to perform a rapid diagnostic test (RDT), recommends the right treatment dosage and synchronizes collected data real time with a Health Management Information System (DHIS2) for epidemiological evaluation and decision making...
December 28, 2017: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/29327113/storage-stability-study-of-porcine-hepatic-and-intestinal-cytochrome-p450-isoenzymes-by-use-of-a-newly-developed-and-fully-validated-highly-sensitive-hplc-ms-ms-method
#6
Wim Schelstraete, Mathias Devreese, Siska Croubels
Microsomes are an ideal medium to investigate cytochrome P450 (CYP450) enzyme-mediated drug metabolism. However, before microsomes are prepared, tissues can be stored for a long time. Studies about the stability of these enzymes in porcine hepatic and intestinal tissues upon storage are lacking. To be able to investigate CYP450 stability in microsomes prepared from these tissues, a highly sensitive and rapid HPLC-MS/MS method for the simultaneous determination of six CYP450 metabolites in incubation medium was developed and validated...
January 11, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29319894/antibiotic-prescribing-for-endodontic-therapies-a-comparative-survey-between-general-dental-practitioners-gdps-and-final-year-bachelor-of-dental-surgery-bds-students-in-cardiff-uk
#7
A A Al Masan, P M H Dummer, D J J Farnell, M E Vianna
AIM: To evaluate the views of final-year dental surgery (BDS; G1) students at Cardiff University and general dental practitioners (GDPs; G2) within the city of Cardiff, Wales on antibiotic prescribing for endodontic conditions, and investigate the potential differences between the two groups. METHODS: A cross-sectional online questionnaire-based survey of 12 qualitative and quantitative questions was distributed to 76 final-year BDS Cardiff University students and 55 dental practices within Cardiff, UK...
January 10, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29319234/comparative-pharmacokinetics-of-trandolapril-its-active-metabolite-and-verapamil-in-human-plasma-of-egyptian-population-using-hplc-ms-ms
#8
Ragaa Magdy, Ahmed H El-Khatib, Ahmed Hemdan, Omar Abd Elaziz, Maha Farouk, Michael W Linscheid
Trandolapril and verapamil are commonly used antihypertensive drugs. However, there is a lack of available data on the change of their pharmacokinetics in patients with liver or kidney impairment and hence the need for dose adjustment. In the presented work, a high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method was developed and validated for the monitoring of trandolapril, its active metabolite trandolaprilat, and verapamil in human plasma of patients with renal impairment and/or liver insufficiency...
January 10, 2018: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29316514/risk-based-cost-benefit-analysis-for-evaluating-microbial-risk-mitigation-in-a-drinking-water-system
#9
Viktor Bergion, Andreas Lindhe, Ekaterina Sokolova, Lars Rosén
Waterborne outbreaks of gastrointestinal diseases can cause large costs to society. Risk management needs to be holistic and transparent in order to reduce these risks in an effective manner. Microbial risk mitigation measures in a drinking water system were investigated using a novel approach combining probabilistic risk assessment and cost-benefit analysis. Lake Vomb in Sweden was used to exemplify and illustrate the risk-based decision model. Four mitigation alternatives were compared, where the first three alternatives, A1-A3, represented connecting 25, 50 and 75%, respectively, of on-site wastewater treatment systems in the catchment to the municipal wastewater treatment plant...
December 27, 2017: Water Research
https://www.readbyqxmd.com/read/29314862/exploring-the-utility-of-cardiorespiratory-fitness-as-a-population-health-surveillance-indicator-for-children-and-youth-an-international-analysis-of-results-from-the-20-m-shuttle-run-test
#10
Justin J Lang
Emerging evidence has demonstrated the strong link between cardiorespiratory fitness and multiple aspects of health (i.e., physiological, physical, psychosocial, cognitive), independent of physical activity, among school-aged children and youth. Cardiorespiratory fitness is a trait that does not vary substantially from day-to-day, and provides an indication of recent physical activity levels, making it an important possible indicator of population health. Thus, the objective of this dissertation was to investigate the utility of cardiorespiratory fitness, measured using the 20-m shuttle run test, as a broad, holistic health indicator for population health surveillance among children and youth...
January 9, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29310458/evaluation-of-fus-2000-urine-analyzer-analytical-properties-and-particle-recognition
#11
Miroslava Beňovská, Ondřej Wiewiorka, Jana Pinkavová
This study evaluates the performance of microscopic part of a hybrid analyzer FUS-2000 (Dirui Industrial Co., Changchun, China), its analytical properties and particle recognition. The evaluation of trueness, repeatability, detection limit, carry-over, linearity range and analytical stability was performed according to Dirui protocol guidelines designed by Dirui Company to guarantee the quality of the instrument. Trueness for low, medium and high-value concentrations was calculated with bias of 15.5, 4.7 and -6...
January 8, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29289844/potential-of-combined-water-sensitive-urban-design-systems-for-salinity-treatment-in-urban-environments
#12
Fatemeh Kazemi, Mahmood Reza Golzarian, Baden Myers
Water sensitive urban design and similar concepts often recommend a 'treatment train' is employed to improve stormwater quality. In this study, the capability of a combined permeable pavement and bioretention basin was examined with a view to developing a permeable pavement reservoir that can supplement the irrigation needs of a bioretention system in semi-arid climates. Salinity was a key study parameter due to published data on salinity in permeable pavement storage, and the potential to harvest water contaminated with de-icing salts...
December 28, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29287263/simultaneous-quantification-of-fluoxetine-and-norfluoxetine-in-colostrum-and-mature-human-milk-using-a-2-dimensional-liquid-chromatography-tandem-mass-spectrometry-system
#13
Bianca Rebelo Lopes, Neila Maria Cassiano, Daniela Miarelli Carvalho, Elaine Christine Dantas Moisés, Quezia Bezerra Cass
A two-dimensional liquid chromatography system coupled to triple quadrupole tandem mass spectrometer (2D LC-MS/MS) was employed for the determination of fluoxetine (FLU) and norfluoxetine (N-FLU) in colostrum and mature milk by direct sample injection. With a run time of 12 min representing a gain in throughput analysis, the validated methods furnished selectivity, extraction efficiency, accuracy, and precision in accordance with the criteria preconized by the European Medicines Agency guidelines. With a linear range of 3...
December 20, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29286534/fitness-training-for-cardiorespiratory-conditioning-after-traumatic-brain-injury
#14
REVIEW
Leanne Hassett, Anne M Moseley, Alison R Harmer
BACKGROUND: Reduced cardiorespiratory fitness (cardiorespiratory deconditioning) is a common consequence of traumatic brain injury (TBI). Fitness training may be implemented to address this impairment. OBJECTIVES: The primary objective of this updated review was to evaluate whether fitness training improves cardiorespiratory fitness in people who have sustained a TBI. The secondary objectives were to evaluate whether fitness training improves body function and structure (physical and cognitive impairments, psychological responses resulting from the injury), activity limitations and participation restrictions in people who have sustained a TBI as well as to evaluate its safety, acceptance, feasibility and suitability...
December 29, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29276983/uplc-ms-ms-method-for-the-simultaneous-quantification-of-sofosbuvir-sofosbuvir-metabolite-gs-331007-and-daclatasvir-in-plasma-of-hiv-hcv-co-infected-patients
#15
Stefania Notari, Massimo Tempestilli, Gabriele Fabbri, Raffaella Libertone, Andrea Antinori, Adriana Ammassari, Chiara Agrati
Direct-acting antiviral agents (DAAs) represent the major advance in hepatitis C virus (HCV) infection treatment leading to extremely high eradication rates in HCV mono- and HIV/HCV co-infected patients. In this scenery, availability of Therapeutic Drug Monitoring (TDM) is of interest to assess plasma concentrations to prevent either therapeutic failure due to suboptimal medication adherence and drug-drug interactions or avoid adverse events. Aim of this study was to develop and validate an Ultra-Performance Liquid Chromatography Mass Spectrometry (UPLC-MS/MS) method for the simultaneous quantification of sofosbuvir, sofosbuvir metabolite (GS-331007), and daclatasvir in human plasma...
December 12, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29276853/are-habitual-runners-physically-inactive
#16
Timo Rantalainen, Arto J Pesola, Matthew Quittner, Nicola D Ridgers, Daniel L Belavy
The World Health Organisation's (WHO) physical activity guidelines recommend 150min/week of moderate- to vigorous-intensity physical activity (MVPA) accumulated in 10 min bouts. To see whether people performing habitual exercise for recreation meet these guidelines, 25 long-distance runners [mean 67 km/wk], 25 joggers [mean 28 km/wk], and 20 sedentary adults wore an ActiGraph GT3X+ accelerometer for 7 days. Sedentary time and bouts were similar in runners and sedentary adults (p > 0.46). Sedentary adults performed 20 ± 16 min/day of MVPA (usual bout duration (W50%): 9...
December 25, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29273060/-we-all-want-to-succeed-but-we-ve-also-got-to-be-realistic-about-what-is-happening-an-ethnographic-study-of-relationships-in-trial-oversight-and-their-impact
#17
Anne Daykin, Lucy E Selman, Helen Cramer, Sharon McCann, Gillian W Shorter, Matthew R Sydes, Carrol Gamble, Rhiannon Macefield, J Athene Lane, Alison Shaw
BACKGROUND: The oversight and conduct of a randomised controlled trial involves several stakeholders, including a Trial Steering Committee (TSC), Trial Management Group (TMG), Data Monitoring Committee (DMC), funder and sponsor. We aimed to examine how the relationships between these stakeholders affect the trial oversight process and its rigour, to inform future revision of Good Clinical Practice guidelines. METHODS: Using an ethnographic study design, we observed the oversight processes of eight trials and conducted semi-structured interviews with members of the trials' TSCs and TMGs, plus other relevant informants, including sponsors and funders of trials...
December 22, 2017: Trials
https://www.readbyqxmd.com/read/29243483/relative-binding-free-energy-calculations-in-drug-discovery-recent-advances-and-practical-considerations
#18
Zoe Cournia, Bryce Allen, Woody Sherman
Accurate in silico prediction of protein-ligand binding affinities has been a primary objective of structure-based drug design for decades due to the putative value it would bring to the drug discovery process. However, computational methods have historically failed to deliver value in real-world drug discovery applications due to a variety of scientific, technical, and practical challenges. Recently, a family of approaches commonly referred to as relative binding free energy (RBFE) calculations, which rely on physics-based molecular simulations and statistical mechanics, have shown promise in reliably generating accurate predictions in the context of drug discovery projects...
December 15, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/29242176/chinese-cardiovascular-disease-mobile-apps-information-types-information-quality-and-interactive-functions-for-self-management-systematic-review
#19
REVIEW
Bo Xie, Zhaohui Su, Wenhui Zhang, Run Cai
BACKGROUND: China has a large population with cardiovascular disease (CVD) that requires extensive self-management. Mobile health (mHealth) apps may be a useful tool for CVD self-management. Little is currently known about the types and quality of health information provided in Chinese CVD mobile apps and whether app functions are conducive to promoting CVD self-management. OBJECTIVE: We undertook a systematic review to evaluate the types and quality of health information provided in Chinese CVD mobile apps and interactive app functions for promoting CVD self-management...
December 14, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29237355/cross-cultural-adaptation-of-the-victorian-institute-of-sports-assessment-achilles-visa-a-questionnaire-for-spanish-athletes
#20
Sergio Hernández-Sánchez, Emilio José Poveda-Pagán, Yasser Alakhdar, Maria Dolores Hidalgo-Montesinos, César Fernández-de-Las-Peñas, José L Arias-Buría
Study Design Clinical measurement study. Background Achilles tendinopathy is a prevalent sport-related injury. The Victorian Institute of Sports Assessment-Achilles (VISA-A) questionnaire is a widely-used patient-reported outcome to assess the severity of symptoms for this injury. Objective To adapt the VISA-A questionnaire into Spanish and to assess its psychometric properties. Methods Cross-cultural adaptation was conducted according to recommended guidelines. The Spanish VISA-A (VISA-A-Sp) questionnaire was administered to 210 subjects: 70 healthy students, 70 active at risk subjects (participating in running and jumping) and 70 patients with Achilles tendinopathy diagnosis...
December 13, 2017: Journal of Orthopaedic and Sports Physical Therapy
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