Results 21 to 30 of about 482,434 (309)

HIV Ag-Abdetection by ELISA: a retrospective analysis

Zhongguo shuxue zazhi, 2022
Objective To conduct a retrospective analysis of HIV Ag-Ab detection by ELISA in our blood center, so as to provide reference for continuous improvement.
Liangxue WEN, Ling WANG, Li SU, Mingfen WANG   +3 more
doaj   +1 more source

External Quality Assessment Program for Next-Generation Sequencing-Based HIV Drug Resistance Testing: Logistical Considerations

Viruses, 2020
Next-generation sequencing (NGS) is likely to become the new standard method for HIV drug resistance (HIVDR) genotyping. Despite the significant advances in the development of wet-lab protocols and bioinformatic data processing pipelines, one often ...
Hezhao Ji, Neil Parkin, Feng Gao, Thomas Denny, Cheryl Jennings, Paul Sandstrom, Rami Kantor   +6 more
doaj   +1 more source

Challenges in next generation sequencing of homology recombination repair genomic variants in prostate cancer: A nationwide survey and calibration project in China

Prostate International, 2022
Background: Homologous Recombination Repair (HRR) is the most reliable and important signaling pathway for repairing DNA damage. We initiated a calibration project to better understand the NGS landscape for HRR gene testing in China, provide indications ...
Huanwen Wu, Liqun Zhou, Xiaoyan Zhou, Qiang Wei, Nengtai Ouyang, Jianyong Shao, Jian Huang, Zhiyong Liang   +7 more
doaj   +1 more source

External quality assessment in resource–limited countries [PDF]

Biochemia Medica, 2017
Health laboratory services are a critical component of national health systems but face major operational challenges in resource-limited (RL) settings. New funding for health systems strengthening in RL countries has increased the demand for diagnostics and provided opportunities to address these constraints.
openaire   +4 more sources

External Quality Assessments of CD31 Immunoassays – the NordiQC experience [PDF]

Vascular Cell, 2020
Nordic Immunohistochemical Quality Control (NordiQC) performs proficiency testing for about 600 pathology laboratories in more than 50 countries. All general results are published on http://www.nordiqc.org. Over-all, about 30% of the staining results on circulated slides from tissue micro arrays have been assessed as insufficient for diagnostic use by ...
Vyberg, Mogens, Nielsen, Søren, Bzorek, Michael, Røge, Rasmus   +3 more
openaire   +2 more sources

External quality assessment of glycated hemoglobin in Iran: Comparison of five different commercial methods with two different total allowable errors [PDF]

Journal of Medical Biochemistry, 2018
Background: Glycated hemoglobin (HbA1c) measuring has a critical role in the monitoring and diagnosis of diabetes. So, the analytical performance of its measuring method must be acceptable.
Atabi Fereshteh, Mohammadi Reza
doaj  

External quality assessment of hormone determinations

Best Practice & Research Clinical Endocrinology & Metabolism, 2013
Hormone determinations are of central importance to the practice of Clinical Endocrinology, and ensuring their correct use and performance is a multidisciplinary responsibility involving clinicians, laboratory staff, manufacturers of diagnostic systems and healthcare regulatory agencies.
openaire   +3 more sources

Implementing quality assurance for laboratory-based and point-of-care HIV testing in Nigeria

African Journal of Laboratory Medicine, 2016
No abstract available.
Ado Abubakar, Samuel Peters, Oyebimpe Balogun, Sophia Osawe, Ille Mamman, Joshua Barde, Emmanuel Ojo, Nicholas Ezati, Jide Bango, Evelyn Ngige, Anthony Emeribe, Alash'le Abimiku   +11 more
doaj   +1 more source

Managing Deviating EQA Results: A Survey to Assess the Corrective and Preventive Actions of Medical Laboratories Testing for Oncological Biomarkers

Diagnostics, 2020
Laboratories testing predictive biomarkers in lung and colorectal cancer are advised to participate in external quality assessment (EQA) schemes. This study aimed to investigate which corrective actions were taken by laboratories if predetermined ...
Cleo Keppens, Ed Schuuring, Elisabeth MC Dequeker   +2 more
doaj   +1 more source

Nationwide external quality assessment of SARS-CoV-2 nucleic acid amplification tests in Japan

International Journal of Infectious Diseases, 2022
Objectives: We conducted a nationwide external quality assessment (EQA) study of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) nucleic acid amplification testing in Japan.
Satomi Asai, Akira Seki, Yasumasa Akai, Hiromitsu Tazawa, Hidehumi Kakizoe, Mend-Amar Ravzanaaadii, Hayato Miyachi   +6 more
doaj   +1 more source