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https://www.readbyqxmd.com/read/29792197/antimicrobial-susceptibility-of-campylobacter-jejuni-and-campylobacter-coli-comparison-between-etest-and-a-broth-dilution-method
#1
Maya Azrad, Linda Tkhawkho, Natalia Isakovich, Orna Nitzan, Avi Peretz
BACKGROUND: Campylobacter is a leading cause of foodborne gasteroenteritis worldwide. Antimicrobial susceptibility testing for Campylobacter spp. is not routinely performed by most clinical laboratories. However, the emergence of resistant isolates strengthens the importance of antimicrobial susceptibility testing and the critical need for epidemiologic surveillance. The aim of this study was to compare the efficacy of Etest and Sensititre kit (a broth microdilution method) as methods for susceptibility tests and the critical need for epidemiologic surveillance...
May 23, 2018: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/29791930/the-pediatric-emergency-care-applied-research-network-registry-a-multicenter-electronic-health-record-registry-of-pediatric-emergency-care
#2
Sara J Deakyne Davies, Robert W Grundmeier, Diego A Campos, Katie L Hayes, Jamie Bell, Evaline A Alessandrini, Lalit Bajaj, James M Chamberlain, Marc H Gorelick, Rene Enriquez, T Charles Casper, Beth Scheid, Marlena Kittick, J Michael Dean, Elizabeth R Alpern
BACKGROUND:  Electronic health record (EHR)-based registries allow for robust data to be derived directly from the patient clinical record and can provide important information about processes of care delivery and patient health outcomes. METHODS:  A data dictionary, and subsequent data model, were developed describing EHR data sources to include all processes of care within the emergency department (ED). ED visit data were deidentified and XML files were created and submitted to a central data coordinating center for inclusion in the registry...
April 2018: Applied Clinical Informatics
https://www.readbyqxmd.com/read/29784539/revisiting-antithrombin-in-health-and-disease-congenital-deficiencies-and-genetic-variants-and-laboratory-studies-on-%C3%AE-and-%C3%AE-forms
#3
REVIEW
Jean Amiral, Jerard Seghatchian
Antithrombin [AT] is the main inhibitor for activated plasma coagulation serine esterases, inhibiting thrombin, Factors Xa and IXa, but also Factors XIIa, XIa, VIIa, kallicrein, and plasmin. Its activity is highly enhanced by heparin, through binding to the pentasaccharide sequences, for inhibition of all coagulation proteases, except thrombin, which inhibition requires its additional binding to the heparin polysaccharide chain. However, AT is the major inhibitor of thrombin in the blood circulation. Congenital or acquired deficiencies of AT expose affected patients to an increased risk of developing unprovoked and recurrent thrombo-embolic diseases...
April 19, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29784394/multiresidue-analytical-method-for-pharmaceuticals-and-personal-care-products-in-sewage-and-sewage-sludge-by-online-direct-immersion-spme-on-fiber-derivatization-gcms
#4
Rebeca López-Serna, David Marín-de-Jesús, Rubén Irusta-Mata, Pedro Antonio García-Encina, Raquel Lebrero, María Fdez-Polanco, Raúl Muñoz
The work here presented aimed at developing an analytical method for the simultaneous determination of 22 pharmaceuticals and personal care products, including 3 transformation products, in sewage and sludge. A meticulous method optimization, involving an experimental design, was carried out. The developed method was fully automated and consisted of the online extraction of 17 mL of water sample by Direct Immersion Solid Phase MicroExtraction followed by On-fiber Derivatization coupled to Gas Chromatography - Mass Spectrometry (DI-SPME - On-fiber Derivatization - GC - MS)...
August 15, 2018: Talanta
https://www.readbyqxmd.com/read/29782332/detection-of-high-risk-thrombophilia-with-an-automated-global-test-the-coagulation-inhibitor-potential-assay
#5
Barbara Réger, Hajna Losonczy, Ágnes Nagy, Ágnes Péterfalvi, Réka Mózes, László Pótó, Nelli Farkas, Gábor L Kovács, Attila Miseta, Alizadeh Hussain, Orsolya Tóth
: The diagnosis of thrombophilia is a cost-consuming and time-consuming process, as each defect should be separately investigated. The Coagulation Inhibitor Potential (CIP) assay is a promising new global test, sensitive for most of the hereditary thrombophilias, developed for manual methodology. We adapt the original method to an optical coagulation analyser. By this automation, the test will be easier, faster and more precise, and it also allows carrying out 18 measurements simultaneously. The CIP assay was performed in 126 healthy subjects and 193 patients with different types of hereditary thrombophilia conditions...
May 17, 2018: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/29780386/automated-processing-and-evaluation-of-anti-nuclear-antibody-indirect-immunofluorescence-testing
#6
Vincent Ricchiuti, Joseph Adams, Donna J Hardy, Alexander Katayev, James K Fleming
Indirect immunofluorescence (IIF) is considered by the American College of Rheumatology (ACR) and the international consensus on ANA patterns (ICAP) the gold standard for the screening of anti-nuclear antibodies (ANA). As conventional IIF is labor intensive, time-consuming, subjective, and poorly standardized, there have been ongoing efforts to improve the standardization of reagents and to develop automated platforms for assay incubation, microscopy, and evaluation. In this study, the workflow and performance characteristics of a fully automated ANA IIF system (Sprinter XL, EUROPattern Suite, IFA 40: HEp-20-10 cells) were compared to a manual approach using visual microscopy with a filter device for single-well titration and to technologist reading...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29776627/introduction-molecular-medicine-in-the-common-era-applications-and-impact-of-molecular-pathology-in-health-and-disease
#7
REVIEW
Martin H Bluth
The unprecedented expansion of molecular pathology continues to affect and influence the clinical laboratory. Technological advances in high-throughput automation, cost containment, and refined methodology have improved the understanding of pathobiology through application of molecular pathology to multiple disease spaces. Incorporation of this field to emerging omics platforms, pharmacovigilance and biomarker discovery, and accessibility by lay consumers demonstrates the widespread reach of molecular pathology in the clinical marketplace...
June 2018: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/29772013/rapid-differentiation-of-epithelial-cell-types-in-aged-biological-samples-using-autofluorescence-and-morphological-signatures
#8
Emily R Brocato, M Katherine Philpott, Catherine C Connon, Christopher J Ehrhardt
Establishing the tissue source of epithelial cells within a biological sample is an important capability for forensic laboratories. In this study we used Imaging Flow Cytometry (IFC) to analyze individual cells recovered from buccal, epidermal, and vaginal samples that had been dried between 24 hours and more than eight weeks. Measurements capturing the size, shape, and fluorescent properties of cells were collected in an automated manner and then used to build a multivariate statistical framework for differentiating cells based on tissue type...
2018: PloS One
https://www.readbyqxmd.com/read/29771983/the-effect-of-exposure-to-low-frequency-electromagnetic-fields-emf-as-an-integral-part-of-the-housing-system-on-anxiety-related-behaviour-cognition-and-welfare-in-two-strains-of-laboratory-mouse
#9
Oliver Burman, Gerardo Marsella, Angelo Di Clemente, Luigi Cervo
Electromagnetic field (EMF) technology has the potential to improve scientific data capture and welfare assessment by allowing automated data collection from individual cages. However, it is important to determine any impact that a new technology itself may have on animal welfare, and previous studies have found contrasting results of EMF on laboratory rodent anxiety-like behaviour and cognition. We therefore investigated whether there was an effect of low frequency EMF experienced continuously over a six-week period, as an integral part of the animal housing system, on measures of mouse anxiety-related behaviour, cognition and welfare...
2018: PloS One
https://www.readbyqxmd.com/read/29767747/the-use-of-privacy-protected-computer-vision-to-measure-the-quality-of-healthcare-worker-hand-hygiene
#10
Sari Awwad, Sanjay Tarvade, Massimo Piccardi, David J Gattas
Objectives: (i) To demonstrate the feasibility of automated, direct observation and collection of hand hygiene data, (ii) to develop computer visual methods capable of reporting compliance with moment 1 (the performance of hand hygiene before touching a patient) and (iii) to report the diagnostic accuracy of automated, direct observation of moment 1. Design: Observation of simulated hand hygiene encounters between a healthcare worker and a patient. Setting: Computer laboratory in a university...
May 15, 2018: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/29765558/the-fallopian-tube-microbiome-implications-for-reproductive-health
#11
Elise S Pelzer, Dana Willner, Melissa Buttini, Louise M Hafner, Christina Theodoropoulos, Flavia Huygens
Objective: There is a paucity of data characterizing the microbiota of the female upper genital tract, which controversially is described as a sterile site. We examine whether the fallopian tube harbours an endogenous microbial community. Design: This prospective study collected from women undergoing total hysterectomy or salpingectomy-oophorectomy. Setting: Private hospital gynaecology department. Patients: Fallopian tubes were collected from women diagnosed with benign disease or for prophylaxis...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29765286/reference-intervals-for-a-complete-blood-count-on-an-automated-haematology-analyser-sysmex-xn-in-healthy-adults-from-the-southern-metropolitan-area-of-barcelona
#12
Ariadna Arbiol-Roca, Claudia Elizabeth Imperiali, Magdalena Macià Montserrat, Ana Sancho Cerro, Anna Cortés Bosch de Basea, Lourdes Sánchez Navarro, Dolors Dot Bach, José Valero Politi
Background: The examination of peripheral blood is routinely used as a basic test in daily medical practice. Reliable reference intervals are necessary to avoid misdiagnoses, and the establishment of those intervals is an important task for clinical laboratories.The aim of the present study was to establish the reference intervals for complete blood count (CBC) on a Sysmex XN haematology analyser in healthy adults from the southern metropolitan area of Barcelona (Spain). Methods: A total of 213 apparently healthy adults who received a general health examination at Hospital Universitari de Bellvitge were recruited to this study...
April 2018: EJIFCC
https://www.readbyqxmd.com/read/29759247/study-of-sample-preparation-for-determination-of-endocannabinoids-and-analogous-compounds-in-human-serum-by-lc-ms-ms-in-mrm-mode
#13
D Luque-Córdoba, M Calderón-Santiago, M D Luque de Castro, F Priego-Capote
Endocannabinoids are lipids with a key role in physiological processes such as the immune response or the metabolism. This involvement explains their association to pathologies such as cancer, obesity or multiple sclerosis. The determination of endocannabinoids constitutes a challenge for clinical laboratories due to the variety of biological matrices and the wide range of concentrations at which they can be found. This research deals with the comparison of three sample preparation strategies (viz., on-line SPE, off-line SPE for interferents removal, and protein precipitation) for subsequent LC-MS/MS analysis of 14 endocannabinoids and analogous compounds in serum...
August 1, 2018: Talanta
https://www.readbyqxmd.com/read/29746790/mvo-automation-platform-addressing-unmet-needs-in-clinical-laboratories-with-microcontrollers-3d-printing-and-open-source-hardware-software
#14
Brian Iglehart
Laboratory automation improves test reproducibility, which is vital to patient care in clinical laboratories. Many small and specialty laboratories are excluded from the benefits of automation due to low sample number, cost, space, and/or lack of automation expertise. The Minimum Viable Option (MVO) automation platform was developed to address these hurdles and fulfill an unmet need. Consumer 3D printing enabled rapid iterative prototyping to allow for a variety of instrumentation and assay setups and procedures...
May 1, 2018: SLAS Technology
https://www.readbyqxmd.com/read/29745767/a-proof-of-concept-for-epidemiological-research-using-structured-reporting-with-pulmonary-embolism-as-a-use-case
#15
Pinto Dos Santos Daniel, Scheibl Sonja, Arnhold Gordon, Maehringer-Kunz Aline, Düber Christoph, Mildenberger Peter, Kloeckner Roman
OBJECTIVE: This paper studies the possibilities of an integrated IT-based workflow for epidemiological research in pulmonary embolism using freely available tools and structured reporting. METHODS: We included a total of 521 consecutive cases which had been referred to the radiology department for computed tomography pulmonary angiography (CTPA) with suspected pulmonary embolism (PE). Free-text reports were transformed into structured reports using a freely available IHE-MRRT-compliant reporting platform...
May 10, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29742318/a-comparative-analysis-of-different-automated-von-willebrand-factor-glycoprotein-ib-binding-activity-assays-in-well-typed-von-willebrand-disease-patients
#16
I Vangenechten, K Mayger, P Smejkal, O Zapletal, J J Michiels, G W Moore, A Gadisseur
BACKGROUND: von Willebrand Disease (VWD) is an inherited bleeding disorder caused by quantitative (type 1, 3) or qualitative (type 2) von Willebrand factor (VWF) defect. VWD diagnosis and classification require numerous laboratory tests. VWF: Glycoprotein Ib (GPIb)-binding activity assays are used to distinguish type 1 from type 2 VWD. OBJECTIVES: Three different automated VWF:GPIb-binding activity assays were compared. PATIENTS AND METHODS: BC-VWF:RCo (Siemens Healthcare Diagnostics), HemosIL® VWF:RCo (Instrumentation Laboratory) and INNOVANCE® VWF:Ac (Siemens Healthcare Diagnostics) were performed in a well typed VWD cohort (n=142)...
May 9, 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29742201/organic-synthesis-new-vistas-in-the-brazilian-landscape
#17
Ronaldo A Pilli, Francisco F DE Assis
In this overview, we present our analysis of the future of organic synthesis in Brazil, a highly innovative and strategic area of research which underpins our social and economical progress. Several different topics (automation, catalysis, green chemistry, scalability, methodological studies and total syntheses) were considered to hold promise for the future advance of chemical sciences in Brazil. In order to put it in perspective, contributions from Brazilian laboratories were selected by the citations received and importance for the field and were benchmarked against some of the most important results disclosed by authors worldwide...
2018: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29739626/multiple-immunolabeling-with-antibodies-from-the-same-host-species-in-combination-with-tyramide-signal-amplification
#18
Igor Buchwalow, Vera Samoilova, Werner Boecker, Markus Tiemann
A general problem in immunocytochemistry is the development of a reliable multiple immunolabeling method with primary antibodies originating from the same host species. When primary antibodies are raised in the same host species, the secondary species-specific antibodies can cross-react with each of the primary antibodies. This obstacle can however be avoided with the use of striping buffers eluting the primary/secondary antibody complex. After elution of the previous primary/secondary antibody complex, the next primary antibody from the same host species can be applied...
May 5, 2018: Acta Histochemica
https://www.readbyqxmd.com/read/29739120/concordance-of-capillary-electrophoresis-and-conventional-gel-electrophoresis-in-two-different-groups-of-patients-with
#19
Suekyeung Kim, Hyung-Seok Yang, Anbok Lee, Sun Young Cho
BACKGROUND: Serum and urinary protein electrophoresis play an important role in the identification of monoclonal gammopathy. Recently, capillary electrophoresis (CE) has been adapted in many clinical laboratories because of several advantages such as short turnaround time, automation, and high reproducibility. However, there have been unsolved concerns for the concordance between conventional gel and automated capillary electrophoresis methods for protein separation in clinical specimens...
March 1, 2018: Clinical Laboratory
https://www.readbyqxmd.com/read/29738695/an-approach-to-analytical-validation-and-testing-of-body-fluid-assays-for-the-automated-clinical-laboratory
#20
Darci R Block, Lucas J Ouverson, Craig A Wittwer, Amy K Saenger, Nikola A Baumann
BACKGROUND: Biochemical analysis of body fluids may lend insight into the pathogenesis of disease. Most commercially-available clinical laboratory methods are intended for blood-derived specimens and/or urine and laboratories must characterize the analytical performance of these methods for other specimen types such as body fluids. The aim of this work is to demonstrate one approach for characterizing analytical performance of assays for clinical analysis of body fluids. METHODS: Residual waste samples were obtained from clinically ordered testing...
May 5, 2018: Clinical Biochemistry
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