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https://www.readbyqxmd.com/read/28937997/molecular-detection-of-borrelia-burgdorferi-sensu-lato-an-analytical-comparison-of-real-time-pcr-protocols-from-five-different-scandinavian-laboratories
#1
Malin Lager, Maximilian Faller, Peter Wilhelmsson, Vivian Kjelland, Åshild Andreassen, Rimtas Dargis, Hanne Quarsten, Ram Dessau, Volker Fingerle, Gabriele Margos, Sølvi Noraas, Katharina Ornstein, Ann-Cathrine Petersson, Andreas Matussek, Per-Eric Lindgren, Anna J Henningsson
INTRODUCTION: Lyme borreliosis (LB) is the most common tick transmitted disease in Europe. The diagnosis of LB today is based on the patient´s medical history, clinical presentation and laboratory findings. The laboratory diagnostics are mainly based on antibody detection, but in certain conditions molecular detection by polymerase chain reaction (PCR) may serve as a complement. AIM: The purpose of this study was to evaluate the analytical sensitivity, analytical specificity and concordance of eight different real-time PCR methods at five laboratories in Sweden, Norway and Denmark...
2017: PloS One
https://www.readbyqxmd.com/read/28937412/evidence-based-practice-and-its-associated-factors-among-medical-laboratory-professionals-in-west-amhara-hospitals-northwest-ethiopia
#2
Meseret A Wassie, Atinkut A Zeleke, Berihun A Dachew, Mihiretu Kebede
BACKGROUND: Healthcare and clinical laboratory practices are constantly evolving, leading a need for evidence-based practice (EBP) among all laboratory professionals. However, EBP among laboratory professionals has not yet been studied in Ethiopia. AIMS: This study aimed to determine EBP and associated factors among medical laboratory professionals in West Amhara hospitals, Northwest Ethiopia. METHODS: An analytic and descriptive cross-sectional study was conducted in West Amhara hospitals from February to March 2014...
September 20, 2017: International Journal of Evidence-based Healthcare
https://www.readbyqxmd.com/read/28936819/-the-scope-quality-and-safety-requirements-of-drug-abuse-testing
#3
Tuncay Küme, Çiğdem Karakükcü, Aslı Pınar, Hakan Coşkunol
The aim of this review is to inform about the scopes and requirements of drug abuse testing. Drug abuse testing is one of the tools for determination of drug use. It must fulfill the quality and safety requirements in judgmental legal and administrative decisions. Drug abuse testing must fulfill some requirements like selection of the appropriate test matrix, appropriate screening test panel, sampling in detection window, patient consent, identification of the donor, appropriate collection site, sample collection with observation, identification and control of the sample, specimen custody chain in preanalytical phase; analysis in authorized laboratories, specimen validity tests, reliable testing METHODS, strict quality control, two-step analysis in analytical phase; storage of the split specimen, confirmation of the split specimen in the objection, result custody chain, appropriate cut-off concentration, the appropriate interpretation of the result in postanalytical phase...
2017: Türk Psikiyatri Dergisi, Turkish Journal of Psychiatry
https://www.readbyqxmd.com/read/28936475/surgical-data-science-the-new-knowledge-domain
#4
S Swaroop Vedula, Gregory D Hager
Healthcare in general, and surgery/interventional care in particular, is evolving through rapid advances in technology and increasing complexity of care with the goal of maximizing quality and value of care. While innovations in diagnostic and therapeutic technologies have driven past improvements in quality of surgical care, future transformation in care will be enabled by data. Conventional methodologies, such as registry studies, are limited in their scope for discovery and research, extent and complexity of data, breadth of analytic techniques, and translation or integration of research findings into patient care...
April 2017: Innov Surg Sci
https://www.readbyqxmd.com/read/28936274/a-review-on-wax-printed-microfluidic-paper-based-devices-for-international-health
#5
REVIEW
S Altundemir, A K Uguz, K Ulgen
Paper-based microfluidics has attracted attention for the last ten years due to its advantages such as low sample volume requirement, ease of use, portability, high sensitivity, and no necessity to well-equipped laboratory equipment and well-trained manpower. These characteristics have made paper platforms a promising alternative for a variety of applications such as clinical diagnosis and quantitative analysis of chemical and biological substances. Among the wide range of fabrication methods for microfluidic paper-based analytical devices (μPADs), the wax printing method is suitable for high throughput production and requires only a commercial printer and a heating source to fabricate complex two or three-dimensional structures for multipurpose systems...
July 2017: Biomicrofluidics
https://www.readbyqxmd.com/read/28934644/cyriax-s-deep-friction-massage-application-parameters-evidence-from-a-cross-sectional-study-with-physiotherapists
#6
Paula Chaves, Daniela Simões, Maria Paço, Francisco Pinho, José Alberto Duarte, Fernando Ribeiro
BACKGROUND: Deep friction massage is one of several physiotherapy interventions suggested for the management of tendinopathy. OBJECTIVES: To determine the prevalence of deep friction massage use in clinical practice, to characterize the application parameters used by physiotherapists, and to identify empirical model-based patterns of deep friction massage application in degenerative tendinopathy. DESIGN: observational, analytical, cross-sectional and national web-based survey...
September 14, 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28934131/tissue-based-micrornas-as-predictors-of-biochemical-recurrence-after-radical-prostatectomy-what-can-we-learn-from-past-studies
#7
REVIEW
Zhongwei Zhao, Carsten Stephan, Sabine Weickmann, Monika Jung, Glen Kristiansen, Klaus Jung
With the increasing understanding of the molecular mechanism of the microRNAs (miRNAs) in prostate cancer (PCa), the predictive potential of miRNAs has received more attention by clinicians and laboratory scientists. Compared with the traditional prognostic tools based on clinicopathological variables, including the prostate-specific antigen, miRNAs may be helpful novel molecular biomarkers of biochemical recurrence for a more accurate risk stratification of PCa patients after radical prostatectomy and may contribute to personalized treatment...
September 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28933752/graphene-field-effect-transistors-for-biomedical-applications-current-status-and-future-prospects
#8
REVIEW
Rhiannan Forsyth, Anitha Devadoss, Owen J Guy
Since the discovery of the two-dimensional (2D) carbon material, graphene, just over a decade ago, the development of graphene-based field effect transistors (G-FETs) has become a widely researched area, particularly for use in point-of-care biomedical applications. G-FETs are particularly attractive as next generation bioelectronics due to their mass-scalability and low cost of the technology's manufacture. Furthermore, G-FETs offer the potential to complete label-free, rapid, and highly sensitive analysis coupled with a high sample throughput...
July 26, 2017: Diagnostics
https://www.readbyqxmd.com/read/28933675/using-the-concept-of-hubots-to-understand-the-work-entailed-in-using-digital-technologies-in-healthcare
#9
Catherine Pope, Joanne Turnbull
Purpose The purpose of this paper is to explore the human work entailed in the deployment of digital health care technology. It draws on imagined configurations of computers and machines in fiction and social science to think about the relationship between technology and people, and why this makes implementation of digital technology so difficult. The term hubots is employed as a metaphorical device to examine how machines and humans come together to do the work of healthcare. Design/methodology/approach This paper uses the fictional depiction of hubots to reconceptualise the deployment of a particular technology - a computer decision support system (CDSS) used in emergency and urgent care services...
August 21, 2017: Journal of Health Organization and Management
https://www.readbyqxmd.com/read/28933418/biomarkers-in-lysosomal-storage-diseases
#10
REVIEW
Joaquin Bobillo Lobato, Maria Jiménez Hidalgo, Luis M Jiménez Jiménez
A biomarker is generally an analyte that indicates the presence and/or extent of a biological process, which is in itself usually directly linked to the clinical manifestations and outcome of a particular disease. The biomarkers in the field of lysosomal storage diseases (LSDs) have particular relevance where spectacular therapeutic initiatives have been achieved, most notably with the introduction of enzyme replacement therapy (ERT). There are two main types of biomarkers. The first group is comprised of those molecules whose accumulation is directly enhanced as a result of defective lysosomal function...
December 17, 2016: Diseases (Basel)
https://www.readbyqxmd.com/read/28932883/helicase-dependent-isothermal-amplification-a-novel-tool-in-the-development-of-molecular-based-analytical-systems-for-rapid-pathogen-detection
#11
REVIEW
Susana Barreda-García, Rebeca Miranda-Castro, Noemí de-Los-Santos-Álvarez, Arturo J Miranda-Ordieres, María Jesús Lobo-Castañón
Highly sensitive testing of nucleic acids is essential to improve the detection of pathogens, which pose a major threat for public health worldwide. Currently available molecular assays, mainly based on PCR, have a limited utility in point-of-need control or resource-limited settings. Consequently, there is a strong interest in developing cost-effective, robust, and portable platforms for early detection of these harmful microorganisms. Since its description in 2004, isothermal helicase-dependent amplification (HDA) has been successfully applied in the development of novel molecular-based technologies for rapid, sensitive, and selective detection of viruses and bacteria...
September 20, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28932577/how-to-design-a-randomized-clinical-trial-tips-and-tricks-for-conduct-a-successful-study-in-thoracic-disease-domain
#12
Francesco Guerrera, Stéphane Renaud, Fabrizio Tabbò, Pier Luigi Filosso
Randomized controlled trials (RCTs) are considered one of the highest level of evidence in clinical practice, due to their strong confidence and robustness in producing data. The "randomization" (e.g., allocating patients randomly in each group of the study) allows eliminating many pre-analytical differences that might bias the entire study. Nevertheless, RCTs aren't free of internal pitfalls that might make them not easy to be developed or utilized. Our objective is to explain RCT management difficulties and suggest certain tips useful for the design of a RCT in thoracic disease domain...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28932544/the-detectability-of-the-pretreatment-egfr-t790m-mutations-in-lung-adenocarcinoma-using-cast-pcr-and-digital-pcr
#13
Tsutomu Tatematsu, Katsuhiro Okuda, Ayumi Suzuki, Risa Oda, Tadashi Sakane, Osamu Kawano, Hiroshi Haneda, Satoru Moriyama, Hidefumi Sasaki, Ryoichi Nakanishi
BACKGROUND: A gatekeeper T790M mutation is thought to cause resistance to epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) treatment. The detection of a 2nd mutation is important for planning the next therapy when patients acquire resistance to the first line EGFR-TKI. METHODS: We used a competitive allele-specific polymerase chain reaction (CAST-PCR) to analyze the incidence and clinical significance of T790M mutations in 153 lung adenocarcinomas with EGFR-activating mutations...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28932145/comparison-of-using-different-bridge-prosthetic-designs-for-partial-defect-restoration-through-mathematical-modeling
#14
Oksana Styranivska, Nataliia Kliuchkovska, Nataliya Mykyyevych
OBJECTIVE: To analyze the stress-strain states of bone and abutment teeth during the use of different prosthetic designs of fixed partial dentures with the use of relevant mathematical modeling principles. MATERIALS AND METHODS: The use of Comsol Multiphysics 3.5 (Comsol AB, Sweden) software during the mathematical modeling of stress-strain states provided numerical data for analytical interpretation in three different clinical scenarios with fixed dentures and different abutment teeth and demountable prosthetic denture with the saddle-shaped intermediate part...
July 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28931805/identifying-therapeutic-targets-by-combining-transcriptional-data-with-ordinal-clinical-measurements
#15
Leila Pirhaji, Pamela Milani, Simona Dalin, Brook T Wassie, Denise E Dunn, Robert J Fenster, Julian Avila-Pacheco, Paul Greengard, Clary B Clish, Myriam Heiman, Donald C Lo, Ernest Fraenkel
The immense and growing repositories of transcriptional data may contain critical insights for developing new therapies. Current approaches to mining these data largely rely on binary classifications of disease vs. control, and are not able to incorporate measures of disease severity. We report an analytical approach to integrate ordinal clinical information with transcriptomics. We apply this method to public data for a large cohort of Huntington's disease patients and controls, identifying and prioritizing phenotype-associated genes...
September 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28930139/critical-analysis-on-characterization-systemic-effect-and-therapeutic-potential-of-beta-sitosterol-a-plant-derived-orphan-phytosterol
#16
REVIEW
Muhammad Shahdaat Bin Sayeed, Selim Muhammad Rezaul Karim, Tasnuva Sharmin, Mohammed Monzur Morshed
Beta-sitosterol (BS) is a phytosterol, widely distributed throughout the plant kingdom and known to be involved in the stabilization of cell membranes. To compile the sources, physical and chemical properties, spectral and chromatographic analytical methods, synthesis, systemic effects, pharmacokinetics, therapeutic potentials, toxicity, drug delivery and finally, to suggest future research with BS, classical as well as on-line literature were studied. Classical literature includes classical books on ethnomedicine and phytochemistry, and the electronic search included Pubmed, SciFinder, Scopus, the Web of Science, Google Scholar, and others...
November 15, 2016: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930088/comparison-of-pcr-methods-for-the-detection-of-genetic-variants-of-carp-edema-virus
#17
Mikolaj Adamek, Marek Matras, Verena Jung-Schroers, Felix Teitge, Max Heling, Sven M Bergmann, Michal Reichert, Keith Way, David M Stone, Dieter Steinhagen
The infection of common carp and its ornamental variety, koi, with the carp edema virus (CEV) is often associated with the occurrence of a clinical disease called 'koi sleepy disease'. The disease may lead to high mortality in both koi and common carp populations. To prevent further spread of the infection and the disease, a reliable detection method for this virus is required. However, the high genetic variability of the CEV p4a gene used for PCR-based diagnostics could be a serious obstacle for successful and reliable detection of virus infection in field samples...
September 20, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28928776/analytical-methods-for-the-measurement-of-polymerization-kinetics-and-stresses-of-dental-resin-based-composites-a-review
#18
REVIEW
Mehrsima Ghavami-Lahiji, Tabassom Hooshmand
Resin-based composites are commonly used restorative materials in dentistry. Such tooth-colored restorations can adhere to the dental tissues. One drawback is that the polymerization shrinkage and induced stresses during the curing procedure is an inherent property of resin composite materials that might impair their performance. This review focuses on the significant developments of laboratory tools in the measurement of polymerization shrinkage and stresses of dental resin-based materials during polymerization...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28926735/ketamine-metabolites-with-antidepressant-effects-fast-economical-and-eco-friendly-enantioselective-separation-based-on-supercritical-fluid-chromatography-sfc-and-single-quadrupole-ms-detection
#19
Georg M Fassauer, Robert Hofstetter, Mahmoud Hasan, Stefan Oswald, Christina Modeß, Werner Siegmund, Andreas Link
Increasing evidence accumulates that metabolites of the dissociative anesthetic ketamine contribute considerably to the biological effects of this drug and could be developed as next generation antidepressants, especially for acute treatment of patients with therapy-refractory major depression. Analytical methods for the simultaneous determination of the plethora of hydroxylated, dehydrogenated and/or demethylated compounds formed after administration of ketamine hydrochloride are a prerequisite for future clinical investigations and a deeper understanding of the individual role of the isomers of these metabolites...
September 8, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28926605/assessment-of-common-somatic-mutations-of-egfr-kras-braf-nras-in-pulmonary-non-small-cell-carcinoma-using-iplex%C3%A2-hs-a-new-highly-sensitive-assay-for-the-massarray%C3%A2-system
#20
Bobbie C Sutton, Ryan T Birse, Kevin Maggert, Tammy Ray, Jessica Hobbs, Amobi Ezenekwe, Jason Kazmierczak, Michael Mosko, Joan Kish, Andrew Bullock, Zonggao Shi, M Sharon Stack, Darryl Irwin
Increased early detection and personalized therapy for lung cancer have coincided with greater use of minimally invasive sampling techniques such as endobronchial ultrasound-guided biopsy (EBUS), endoscopic ultrasound-guided biopsy (EUS), and navigational biopsy, as well as thin needle core biopsies. As many lung cancer patients have late stage disease and other comorbidities that make open surgical procedures hazardous, the least invasive biopsy technique with the highest potential specimen yield is now the preferred first diagnostic study...
2017: PloS One
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