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https://www.readbyqxmd.com/read/28430964/metalims-a-simple-open-source-laboratory-information-management-system-for-small-metagenomic-labs
#1
Cassie Elizabeth Heinle, Nicolas Paul Eugène Gaultier, Dana Miller, Rikky Wenang Purbojati, Federico M Lauro
BACKGROUND: As the cost of sequencing continues to fall, smaller groups increasingly initiate and manage larger sequencing projects and take on the complexity of data storage for high volumes of samples. This has created a need for low-cost laboratory information management systems (LIMS) that contain flexible fields to accommodate the unique nature of individual labs. Many labs do not have a dedicated IT position, so LIMS must also be easy to setup and maintain with minimal technical proficiency...
April 18, 2017: GigaScience
https://www.readbyqxmd.com/read/28430829/effect-of-a-price-transparency-intervention-in-the-electronic-health-record-on-clinician-ordering-of-inpatient-laboratory-tests-the-price-randomized-clinical-trial
#2
Mina S Sedrak, Jennifer S Myers, Dylan S Small, Irving Nachamkin, Justin B Ziemba, Dana Murray, Gregory W Kurtzman, Jingsan Zhu, Wenli Wang, Deborah Mincarelli, Daniel Danoski, Brian P Wells, Jeffrey S Berns, Patrick J Brennan, C William Hanson, C Jessica Dine, Mitesh S Patel
Importance: Many health systems are considering increasing price transparency at the time of order entry. However, evidence of its impact on clinician ordering behavior is inconsistent and limited to single-site evaluations of shorter duration. Objective: To test the effect of displaying Medicare allowable fees for inpatient laboratory tests on clinician ordering behavior over 1 year. Design, Setting, and Participants: The Pragmatic Randomized Introduction of Cost data through the electronic health record (PRICE) trial was a randomized clinical trial comparing a 1-year intervention to a 1-year preintervention period, and adjusting for time trends and patient characteristics...
April 21, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28430557/utilization-management-of-high-cost-imaging-in-an-outpatient-setting-in-a-large-stable-patient-and-provider-cohort-over-7-years
#3
Jeffrey B Weilburg, Christopher L Sistrom, Daniel I Rosenthal, Markus B Stout, Keith J Dreyer, Helaine R Rockett, Jason M Baron, Timothy G Ferris, James H Thrall
Purpose To quantify the effect of a comprehensive, long-term, provider-led utilization management (UM) program on high-cost imaging (computed tomography, magnetic resonance imaging, nuclear imaging, and positron emission tomography) performed on an outpatient basis. Materials and Methods This retrospective, 7-year cohort study included all patients regularly seen by primary care physicians (PCPs) at an urban academic medical center. The main outcome was the number of outpatient high-cost imaging examinations per patient per year ordered by the patient's PCP or by any specialist...
April 21, 2017: Radiology
https://www.readbyqxmd.com/read/28430266/machine-learning-approach-to-oam-beam-demultiplexing-via-convolutional-neural-networks
#4
Timothy Doster, Abbie T Watnik
Orbital angular momentum (OAM) beams allow for increased channel capacity in free-space optical communication. Conventionally, these OAM beams are multiplexed together at a transmitter and then propagated through the atmosphere to a receiver where, due to their orthogonality properties, they are demultiplexed. We propose a technique to demultiplex these OAM-carrying beams by capturing an image of the unique multiplexing intensity pattern and training a convolutional neural network (CNN) as a classifier. This CNN-based demultiplexing method allows for simplicity of operation as alignment is unnecessary, orthogonality constraints are loosened, and costly optical hardware is not required...
April 20, 2017: Applied Optics
https://www.readbyqxmd.com/read/28429950/-can-robotic-rectal-cancer-surgery-improve-quality-of-total-mesorectal-excision
#5
D Langer, I Tučková, J Kalvach, M Ryska
INTRODUCTION: The introduction of total mesorectal excision (TME) in the 1980s was pivotal in the surgical treatment for rectal carcinoma (RC). Routinely applied TME led to a significant reduction in the incidence of local recurrences. The purpose of our paper is to present the results of our non-randomized study comparing prospectively acquired data from radical resection / rectal extirpation using classic open access, laparoscopy and da Vinci robotic system. METHOD: The study group included 116 patients with RC who underwent radical surgical treatment between 1/2014-12/2016, after which the collected resection specimens were assessed in pathology laboratories of the referring hospital using the Quirkes protocol...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28427840/aav-id-a-rapid-and-robust-assay-for-batch-to-batch-consistency-evaluation-of-aav-preparations
#6
Simon Pacouret, Mohammed Bouzelha, Rajani Shelke, Eva Andres-Mateos, Ru Xiao, Anna Maurer, Mathieu Mevel, Heikki Turunen, Trisha Barungi, Magalie Penaud-Budloo, Frédéric Broucque, Véronique Blouin, Philippe Moullier, Eduard Ayuso, Luk H Vandenberghe
Adeno-associated virus (AAV) vectors are promising clinical candidates for therapeutic gene transfer, and a number of AAV-based drugs may emerge on the market over the coming years. To insure the consistency in efficacy and safety of any drug vial that reaches the patient, regulatory agencies require extensive characterization of the final product. Identity is a key characteristic of a therapeutic product, as it ensures its proper labeling and batch-to-batch consistency. Currently, there is no facile, fast, and robust characterization assay enabling to probe the identity of AAV products at the protein level...
April 17, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28427011/biosensors-for-the-monitoring-of-harmful-algal-blooms
#7
REVIEW
Daniel A McPartlin, Jonathan H Loftus, Aoife S Crawley, Joe Silke, Caroline S Murphy, Richard J O'Kennedy
Harmful algal blooms (HABs) are a major global concern due to their propensity to cause environmental damage, healthcare issues and economic losses. In particular, the presence of toxic phytoplankton is a cause for concern. Current HAB monitoring programs often involve laborious laboratory-based analysis at a high cost and with long turnaround times. The latter also hampers the potential to develop accurate and reliable models that can predict HAB occurrence. However, a promising solution for this issue may be in the form of remotely deployed biosensors, which can rapidly and continuously measure algal and toxin levels at the point-of-need (PON), at a low cost...
April 17, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28426524/beyond-cascade-screening-detection-of-familial-hypercholesterolaemia-at-childhood-immunization-and-other-strategies
#8
Andrew C Martin, Damon A Bell, Tom Brett, Gerald F Watts
PURPOSE OF REVIEW: Familial hypercholesterolaemia is a common genetic disorder that accelerates premature coronary heart disease. Although effective treatments are available, the majority of individuals remain undiagnosed. We review new evidence for improving the detection of familial hypercholesterolaemia. RECENT FINDINGS: Recent studies have demonstrated that universal screening of children for familial hypercholesterolaemia may be highly effective at the time of immunization if combined with reverse cascade testing of adult family members, who have a more immediate risk of a coronary event...
April 19, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/28426134/metastasis-detection-from-whole-slide-images-using-local-features-and-random-forests
#9
Mira Valkonen, Kimmo Kartasalo, Kaisa Liimatainen, Matti Nykter, Leena Latonen, Pekka Ruusuvuori
Digital pathology has led to a demand for automated detection of regions of interest, such as cancerous tissue, from scanned whole slide images. With accurate methods using image analysis and machine learning, significant speed-up, and savings in costs through increased throughput in histological assessment could be achieved. This article describes a machine learning approach for detection of cancerous tissue from scanned whole slide images. Our method is based on feature engineering and supervised learning with a random forest model...
April 20, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28425959/the-cost-of-arbovirus-disease-prevention-in-europe-area-wide-integrated-control-of-tiger-mosquito-aedes-albopictus-in-emilia-romagna-northern-italy
#10
Massimo Canali, Stefano Rivas-Morales, Philippe Beutels, Claudio Venturelli
Aedes albopictus (tiger mosquito) has become the most invasive mosquito species worldwide, in addition to being a well-known vector of diseases, with a proven capacity for the transmission of chikungunya and dengue viruses in Europe as well as the Zika virus in Africa and in laboratory settings. This research quantifies the cost that needs to be provided by public-health systems for area-wide prevention of arboviruses in Europe. This cost has been calculated by evaluating the expenditure of the plan for Aedes albopictus control set up in the Emilia-Romagna region (Northern Italy) after a chikungunya outbreak occurred in 2007...
April 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28425469/in-plastico-laboratory-material-newness-affects-growth-and-reproduction-of-daphnia-magna-reared-in-50-ml-polypropylene-tubes
#11
Marek Cuhra, Thomas Bøhn, Petr Cuhra
Plastic laboratory materials are found to affect vital parameters of the waterflea Daphnia magna. The main responsible factor is defined as "newness" of the materials. Juvenile D. magna were raised individually in; a) new laboratory-standard 50 ml polypropylene tubes, and; b) identical tubes which had been washed and aerated for several weeks. Newness had significant effects on growth and fecundity of D. magna. New tubes caused delayed maturation, reduced reproduction and reduced growth when compared to washed and re-used tubes of the same commercial brand...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424733/combined-implant-and-tooth-support-an-up-to-date-comprehensive-overview
#12
REVIEW
Mahmoud K Al-Omiri, Maher Al-Masri, Mohannad M Alhijawi, Edward Lynch
Objectives. This article presents a review on the concerned topics and some considerations related to the concept of splinting teeth and implants in the rehabilitation of partial edentulism. Study Selection. An electronic PubMed/MEDLINE and manual search of identified articles and reviews as well as clinical, laboratory, and finite element studies was performed in this project. Due to the shortage in within-subject, long term, randomized, controlled clinical trials regarding the subject a meta-analysis was not possible...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28424346/the-male-escape-hypothesis-sex-biased-metamorphosis-in-response-to-climatic-drivers-in-a-facultatively-paedomorphic-amphibian
#13
Anthony G E Mathiron, Jean-Paul Lena, Sarah Baouch, Mathieu Denoël
Paedomorphosis is a major evolutionary process that bypasses metamorphosis and allows reproduction in larvae. In newts and salamanders, it can be facultative with paedomorphs retaining gills and metamorphs dispersing. The evolution of these developmental processes is thought to have been driven by the costs and benefits of inhabiting aquatic versus terrestrial habitats. In this context, we aimed at testing the hypothesis that climatic drivers affect phenotypic transition and the difference across sexes because sex-ratio is biased in natural populations...
April 26, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28424234/braf-v600-mutation-detection-in-melanoma-a-comparison-of-two-laboratory-testing-methods
#14
Odharnaith O'Brien, Tomas Lyons, Sandra Murphy, Linda Feeley, Derek Power, Cynthia C B B Heffron
AIMS: The assessment of B-raf proto-oncogene, serine/threonine kinase (BRAF) gene status is now standard practice in patients diagnosed with metastatic melanoma with its presence predicting a clinical response to treatment with BRAF inhibitors. The gold standard in determining BRAF status is currently by DNA-based methods. More recently, a BRAF V600E antibody has been developed. We aim to investigate whether immunohistochemical detection of BRAF mutation is a suitable alternative to molecular testing by polymerase chain reaction (PCR)...
April 19, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28423155/the-role-of-genetic-testing-in-patients-with-breast-cancer-a-review
#15
Olivia M Valencia, Selyne E Samuel, Rebecca K Viscusi, Taylor S Riall, Leigh A Neumayer, Hassan Aziz
Importance: In the United States from 2009 to 2013, the incidence of breast cancer was the highest of any cancer and the death rate was second to that of lung cancer. Approximately 5% to 10% of breast cancers are inheritable. Observations: BRCA1 and BRCA2 germline mutations account for up to 30% of inheritable breast cancers and are the most commonly assessed mutations in patients presenting with early-onset breast cancer, triple-negative breast cancer, bilateral breast cancer, and a family history of breast cancer...
April 19, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28421520/evaluation-of-passive-sampling-of-gaseous-mercury-using-different-sorbing-materials
#16
Huiming Lin, Wei Zhang, Chunyan Deng, Yingdong Tong, Qianggong Zhang, Xuejun Wang
Atmospheric mercury monitoring is essential because of its potential human health and ecological impacts. Current automated monitoring systems include limitations such as high cost, complicated configuration, and electricity requirements. Passive samplers require no electric power and are more appropriate for screening applications and long-term monitoring. Sampling rate is a major factor to evaluate the performance of a passive sampler. In this study, laboratory experiments were carried out using an exposure chamber to search for high efficiency sorbents for gaseous mercury...
April 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28421269/thermal-balance-of-nellore-cattle
#17
Cíntia Carol de Melo Costa, Alex Sandro Campos Maia, Sheila Tavares Nascimento, Carolina Cardoso Nagib Nascimento, Marcos Chiquitelli Neto, Vinícius de França Carvalho Fonsêca
This work aimed at characterizing the thermal balance of Nellore cattle from the system of indirect calorimetry using a facial mask. The study was conducted at the Animal Biometeorology Laboratory of the São Paulo State University, Jaboticabal, Brazil. Five male Nellore weighing 750 ± 62 kg, at similar ages and body conditions were distributed in four 5 × 5 Latin squares (5 days of records and five schedules) during 20 days. Physiological and environmental measurements were obtained from the indirect calorimetry system using a facial mask...
April 18, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28420531/high-throughput-determination-of-vancomycin-in-human-plasma-by-a-cost-effective-system-of-two-dimensional-liquid-chromatography
#18
Yanghao Sheng, Boting Zhou
Therapeutic drug monitoring (TDM) is one of the most important services of clinical laboratories. Two main techniques are commonly used: the immunoassay and chromatography method. We have developed a cost-effective system of two-dimensional liquid chromatography with ultraviolet detection (2D-LC-UV) for high-throughput determination of vancomycin in human plasma that combines the automation and low start-up costs of the immunoassay with the high selectivity and sensitivity of the liquid chromatography coupled with mass spectrometric detection without incurring their disadvantages, achieving high cost-effectiveness...
February 27, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28420333/strategies-and-cost-effectiveness-evaluation-of-persistent-albuminuria-screening-among-high-risk-population-of-chronic-kidney-disease
#19
Huaiyu Wang, Li Yang, Fang Wang, Luxia Zhang
BACKGROUND: Screening for persistent albuminuria among the high-risk population is important for early detection of CKD while studies regarding screening protocol and related cost-effectiveness analysis are limited. This study explored a feasible and cost-efficient screening strategy for detecting persistent albuminuria among the high-risk population. METHODS: A cohort study including 157 clinically stable outpatients with a risk factor of CKD and whose laboratory tests revealed an albumin-creatinine-ratio (ACR) between 30 and 300 mg/g of creatinine during the previous 12 months was conducted to assess the validity of alternative screening strategies...
April 18, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28419678/secondary-compounds-from-exotic-tree-plantations-change-female-mating-preferences-in-the-palmate-newt-lissotriton-helveticus
#20
Maider Iglesias-Carrasco, Megan L Head, Michael D Jennions, Carlos Cabido
Selection can favor phenotypic plasticity in mate choice in response to environmental factors that alter the costs and benefits of being choosy, or of choosing specific mates. Human-induced environmental change could alter sexual selection by affecting the costs of mate choice, or by impairing the ability of individuals to identify preferred mates. For example, variation in mate choice could be driven by environmentally induced differences in body condition (e.g. health) that change the cost of choosiness, or by environmental effects on the ability to detect or discriminate sexual signals...
April 17, 2017: Journal of Evolutionary Biology
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