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Emergency throughput

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https://www.readbyqxmd.com/read/28935285/is-the-pelvic-examination-still-crucial-in-patients-presenting-to-the-emergency-department-with%C3%A2-vaginal-bleeding-or-abdominal-pain-when-an-intrauterine-pregnancy-is-identified-on-ultrasonography-a-randomized-controlled-trial
#1
Judith A Linden, Benjamin Grimmnitz, Laura Hagopian, Alan H Breaud, Breanne K Langlois, Kerrie P Nelson, Lauren L Hart, James Feldman, Jeremy Brown, Marc Reid, Elise Desormeau, Patricia Mitchell
STUDY OBJECTIVE: We determine whether omitting the pelvic examination in emergency department (ED) evaluation of vaginal bleeding or lower abdominal pain in ultrasonographically confirmed early intrauterine pregnancy is equivalent to performing the examination. METHODS: We conducted a prospective, open-label, randomized, equivalence trial in pregnant patients presenting to the ED from February 2011 to November 2015. Patients were randomized to no pelvic examination versus pelvic examination...
September 18, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28934485/detecting-gene-subnetworks-under-selection-in-biological-pathways
#2
Alexandre Gouy, Joséphine T Daub, Laurent Excoffier
Advances in high throughput sequencing technologies have created a gap between data production and functional data analysis. Indeed, phenotypes result from interactions between numerous genes, but traditional methods treat loci independently, missing important knowledge brought by network-level emerging properties. Therefore, detecting selection acting on multiple genes affecting the evolution of complex traits remains challenging. In this context, gene network analysis provides a powerful framework to study the evolution of adaptive traits and facilitates the interpretation of genome-wide data...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28931315/the-liver-toxicity-knowledge-base-lktb-and-drug-induced-liver-injury-dili-classification-for-assessment-of-human-liver-injury
#3
Shraddha Thakkar, Weida Tong, Minjun Chen, Hong Fang, Zhichao Liu, Ruth Roberts
Drug-induced liver injury (DILI) is challenging drug development, clinical practice and regulation. The Liver Toxicity Knowledge Base (LTKB) provides essential data for DILI study. Areas Covered: The LTKB provided various types of data that can be used to assess and predict DILI. Among much information available, several reference drug lists with annotated human DILI risk are of important. The LTKB DILI classification data include DILI severity concern determined by the FDA drug labeling, DILI severity score from the NIH LiverTox database, and other DILI classification schemes from the literature...
September 21, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28928729/high-throughput-genetic-screen-reveals-that-early-attachment-and-biofilm-formation-are-necessary-for-full-pyoverdine-production-by-pseudomonas-aeruginosa
#4
Donghoon Kang, Natalia V Kirienko
Pseudomonas aeruginosa is a re-emerging, multidrug-resistant, opportunistic pathogen that threatens the lives of immunocompromised patients, patients with cystic fibrosis, and those in critical care units. One of the most important virulence factors in this pathogen is the siderophore pyoverdine. Pyoverdine serves several critical roles during infection. Due to its extremely high affinity for ferric iron, pyoverdine gives the pathogen a significant advantage over the host in their competition for iron. In addition, pyoverdine can regulate the production of multiple bacterial virulence factors and perturb host mitochondrial homeostasis...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28925587/lessons-learned-from-the-development-and-parameterization-of-a-computer-simulation-model-to-evaluate-task-modification-for-healthcare-providers
#5
Parastu Kasaie, W David Kelton, Rachel M Ancona, Michael J Ward, Craig M Froehle, Michael S Lyons
Computer simulation is a highly advantageous method for understanding and improving healthcare operations with a wide variety of possible applications. Most computer-simulation studies in emergency medicine have sought to improve allocation of resources to meet demand, or to assess the impact of hospital and other system policies on emergency department (ED) throughput. These models have enabled essential discoveries that can be used to improve the general structure and functioning of EDs. Theoretically, computer simulation could also be used to examine the impact of adding or modifying specific provider tasks...
September 19, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28924451/phenotypic-landscape-of-non-conventional-yeast-species-for-different-stress-tolerance-traits-desirable-in-bioethanol-fermentation
#6
Vaskar Mukherjee, Dorota Radecka, Guido Aerts, Kevin J Verstrepen, Bart Lievens, Johan M Thevelein
BACKGROUND: Non-conventional yeasts present a huge, yet barely exploited, resource of yeast biodiversity for industrial applications. This presents a great opportunity to explore alternative ethanol-fermenting yeasts that are more adapted to some of the stress factors present in the harsh environmental conditions in second-generation (2G) bioethanol fermentation. Extremely tolerant yeast species are interesting candidates to investigate the underlying tolerance mechanisms and to identify genes that when transferred to existing industrial strains could help to design more stress-tolerant cell factories...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28921802/environmental-dna-metabarcoding-transforming-how-we-survey-animal-and-plant-communities
#7
Kristy Deiner, Holly M Bik, Elvira Mächler, Mathew Seymour, Anaïs Lacoursière-Roussel, Florian Altermatt, Simon Creer, Iliana Bista, David M Lodge, Natasha de Vere, Michael E Pfrender, Louis Bernatchez
The genomic revolution has fundamentally changed how we survey biodiversity on earth. High-throughput sequencing ('HTS') platforms now enable the rapid sequencing of DNA from diverse kinds of environmental samples (termed 'environmental DNA' or 'eDNA'). Coupling HTS with our ability to associate sequences from eDNA with a taxonomic name is called 'eDNA metabarcoding' and offers a powerful molecular tool capable of non-invasively surveying species richness from many ecosystems. Here, we review the use of eDNA metabarcoding for surveying animal and plant richness, and the challenges in using eDNA approaches to estimate relative abundance...
September 16, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28921440/microplate-based-method-for-high-throughput-screening-hts-of-chromatographic-conditions-studies-for-recombinant-protein-purification
#8
Rimenys J Carvalho, Thayana A Cruz
High-throughput screening (HTS) systems have emerged as important tools to provide fast and low cost evaluation of several conditions at once since it requires small quantities of material and sample volumes. These characteristics are extremely valuable for experiments with large number of variables enabling the application of design of experiments (DoE) strategies or simple experimental planning approaches. Once, the capacity of HTS systems to mimic chromatographic purification steps was established, several studies were performed successfully including scale down purification...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28919931/improving-hierarchical-models-using-historical-data-with-applications-in-high-throughput-genomics-data-analysis
#9
Ben Li, Yunxiao Li, Zhaohui S Qin
Modern high-throughput biotechnologies such as microarray and next generation sequencing produce a massive amount of information for each sample assayed. However, in a typical high-throughput experiment, only limited amount of data are observed for each individual feature, thus the classical 'large p, small n' problem. Bayesian hierarchical model, capable of borrowing strength across features within the same dataset, has been recognized as an effective tool in analyzing such data. However, the shrinkage effect, the most prominent feature of hierarchical features, can lead to undesirable over-correction for some features...
June 2017: Statistics in Biosciences
https://www.readbyqxmd.com/read/28919018/de-novo-transcriptome-assembly-of-the-calanoid-copepod-neocalanus-flemingeri-a-new-resource-for-emergence-from-diapause
#10
Vittoria Roncalli, Matthew C Cieslak, Stephanie A Sommer, Russell R Hopcroft, Petra H Lenz
Copepods, small planktonic crustaceans, are key links between primary producers and upper trophic levels, including many economically important fishes. In the subarctic North Pacific, the life cycle of copepods like Neocalanus flemingeri includes an ontogenetic migration to depth followed by a period of diapause (a type of dormancy) characterized by arrested development and low metabolic activity. The end of diapause is marked by the production of the first brood of eggs. Recent temperature anomalies in the North Pacific have raised concerns about potential negative effects on N...
September 14, 2017: Marine Genomics
https://www.readbyqxmd.com/read/28917730/direct-and-comprehensive-analysis-of-dyes-based-on-integrated-molecular-and-structural-information-via-laser-desorption-laser-postionization-mass-spectrometry
#11
Rong Liu, Zhibin Yin, Yixin Leng, Wei Hang, Benli Huang
Laser desorption laser postionization time-of-flight mass spectrometry (LDPI-TOFMS) was employed for direct analysis and determination of typical basic dyes. It was also used for the analysis and comprehensive understanding of complex materials such as blue ballpoint pen inks. Simultaneous emergences of fragmental and molecular information largely simplify and facilitate unambiguous identification of dyes via variable energy of 266nm postionization laser. More specifically, by optimizing postionization laser energy with the same energy of desorption laser, the structurally significant results show definite differences in the fragmentation patterns, which offer opportunities for discrimination of isomeric species with identical molecular weight...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28915268/large-scale-cross-species-chemogenomic-platform-proposes-a-new-drug-discovery-strategy-of-veterinary-drug-from-herbal-medicines
#12
Chao Huang, Yang Yang, Xuetong Chen, Chao Wang, Yan Li, Chunli Zheng, Yonghua Wang
Veterinary Herbal Medicine (VHM) is a comprehensive, current, and informative discipline on the utilization of herbs in veterinary practice. Driven by chemistry but progressively directed by pharmacology and the clinical sciences, drug research has contributed more to address the needs for innovative veterinary medicine for curing animal diseases. However, research into veterinary medicine of vegetal origin in the pharmaceutical industry has reduced, owing to questions such as the short of compatibility of traditional natural-product extract libraries with high-throughput screening...
2017: PloS One
https://www.readbyqxmd.com/read/28915255/scrambled-eggs-a-highly-sensitive-molecular-diagnostic-workflow-for-fasciola-species-specific-detection-from-faecal-samples
#13
Nichola Eliza Davies Calvani, Peter Andrew Windsor, Russell David Bush, Jan Šlapeta
BACKGROUND: Fasciolosis, due to Fasciola hepatica and Fasciola gigantica, is a re-emerging zoonotic parasitic disease of worldwide importance. Human and animal infections are commonly diagnosed by the traditional sedimentation and faecal egg-counting technique. However, this technique is time-consuming and prone to sensitivity errors when a large number of samples must be processed or if the operator lacks sufficient experience. Additionally, diagnosis can only be made once the 12-week pre-patent period has passed...
September 15, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28914549/age-groups-related-glioblastoma-study-based-on-radiomics-approach
#14
Zeju Li, Yuanyuan Wang, Jinhua Yu, Yi Guo, Qi Zhang
Glioblastoma is the most aggressive malignant brain tumor with poor prognosis. Radiomics is a newly emerging and promising technique to reveal the complex relationships between high-throughput medical image features and deep information of disease including pathology, biomarkers and genomics. An approach was developed to investigate the internal relationship between magnetic resonance imaging (MRI) features and the age-related origins of glioblastomas based on a quantitative radiomics method. A fully automatic image segmentation method was applied to segment the tumor regions from three dimensional MRI images...
September 15, 2017: Computer Assisted Surgery (Abingdon, England)
https://www.readbyqxmd.com/read/28912565/real-time-image-processing-for-microscopy-based-label-free-imaging-flow-cytometry-in-a-microfluidic-chip
#15
Young Jin Heo, Donghyeon Lee, Junsu Kang, Keondo Lee, Wan Kyun Chung
Imaging flow cytometry (IFC) is an emerging technology that acquires single-cell images at high-throughput for analysis of a cell population. Rich information that comes from high sensitivity and spatial resolution of a single-cell microscopic image is beneficial for single-cell analysis in various biological applications. In this paper, we present a fast image-processing pipeline (R-MOD: Real-time Moving Object Detector) based on deep learning for high-throughput microscopy-based label-free IFC in a microfluidic chip...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912110/the-genetics-of-congenitally-small-brains
#16
REVIEW
Sarah Duerinckx, Marc Abramowicz
Primary microcephaly (PM) refers to a congenitally small brain, resulting from insufficient prenatal production of neurons, and serves as a model disease for brain volumic development. Known PM genes delineate several cellular pathways, among which the centriole duplication pathway, which provide interesting clues about the cellular mechanisms involved. The general interest of the genetic dissection of PM is illustrated by the convergence of Zika virus infection and PM gene mutations on congenital microcephaly, with CENPJ/CPAP emerging as a key target...
September 11, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28911041/culture-independent-molecular-methods-for-detection-of-antifungal-resistance-mechanisms-and-fungal-identification
#17
David S Perlin, Nathan P Wiederhold
Resistance to azoles and echinocandins has emerged as a significant factor affecting the clinical management of patients with invasive fungal infections. Immunosuppressed patients at high risk for invasive fungal infections often have prolonged or repeated exposure to antifungals resulting in either the well-documented selection of naturally occurring, less susceptible fungal species, or the in situ development of specific resistance mechanisms. Nucleic acid-based molecular diagnostics are particularly well suited for the rapid detection of low-abundance fungal pathogens and identification of the infecting pathogen to the genus and species levels, as well as assessment of resistance mechanisms...
August 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28906572/culex-torrentium-mosquitoes-from-germany-are-negative-for-wolbachia
#18
M Leggewie, R Krumkamp, M Badusche, A Heitmann, S Jansen, J Schmidt-Chanasit, E Tannich, S C Becker
Wolbachia (Rickettsiales: Anaplasmataceae) infects a wide range of arthropods, including several mosquito species. The bacterium is known to induce a plethora of phenotypes in its host, examples being the reproductive phenotype cytoplasmic incompatibility or resistance against infection with arboviruses. The latter is especially relevant when assessing the vector competence of mosquito species for emerging arboviruses. Thus, knowledge of Wolbachia infection status is important for the assessment of vector competence...
September 14, 2017: Medical and Veterinary Entomology
https://www.readbyqxmd.com/read/28900609/genes-contributing-to-porphyromonas-gingivalis-fitness-in-abscess-and-epithelial-cell-colonization-environments
#19
Daniel P Miller, Justin A Hutcherson, Yan Wang, Zuzanna M Nowakowska, Jan Potempa, Deborah R Yoder-Himes, David A Scott, Marvin Whiteley, Richard J Lamont
Porphyromonas gingivalis is an important cause of serious periodontal diseases, and is emerging as a pathogen in several systemic conditions including some forms of cancer. Initial colonization by P. gingivalis involves interaction with gingival epithelial cells, and the organism can also access host tissues and spread haematogenously. To better understand the mechanisms underlying these properties, we utilized a highly saturated transposon insertion library of P. gingivalis, and assessed the fitness of mutants during epithelial cell colonization and survival in a murine abscess model by high-throughput sequencing (Tn-Seq)...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28898398/integrating-high-throughput-screening-and-sequencing-for-monoclonal-antibody-discovery-and-engineering
#20
REVIEW
Cristina Parola, Daniel Neumeier, Sai T Reddy
Monoclonal antibody discovery and engineering is a field that has traditionally been dominated by high-throughput screening platforms (e.g., hybridomas and surface display). In recent years the emergence of high-throughput sequencing has made it possible to obtain large-scale information on antibody repertoire diversity. Additionally, it has now become more routine to perform high-throughput sequencing on antibody repertoires to also directly discover antibodies. In this review, we provide an overview of the progress in this field to date and show how high-throughput screening and sequencing are converging to deliver powerful new workflows for monoclonal antibody discovery and engineering...
September 12, 2017: Immunology
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