Results 1 to 10 of about 188 (67)

Evaluation of the highly sensitive Roche thyroglobulin II assay and establishment of a reference limit for thyroglobulin-negative patient samples

Practical Laboratory Medicine, 2016
Objectives: Thyroglobulin (Tg) measurements are used to monitor for residual thyroid tissue in patients with differentiated thyroid cancer (DTC) after thyroidectomy and radioiodine ablative therapy.
Dorien M. Rotteveel-de Groot, H. Alec Ross, Marcel J.R. Janssen, Romana T. Netea-Maier, Janine D. Oosting, Fred C.G.J. Sweep, Antonius E. van Herwaarden   +6 more
doaj   +3 more sources

Specificity testing by point prevalence as a simple assessment strategy using the Roche Elecsys® anti-SARS-CoV-2 immunoassay

International Journal of Infectious Diseases, 2021
Background: The detection of antibodies to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is mandatory for the diagnosis, retrospective assessment of disease progression, and correct evaluation of the current infection situation in the ...
Maximilian Kittel, Peter Findeisen, Maria-Christina Muth, Margot Thiaucourt, Catharina Gerhards, Michael Neumaier, Verena Haselmann   +6 more
doaj   +1 more source

Chandra Observation of NGC 1559: Eight Ultraluminous X-Ray Sources Including a Compact Binary Candidate

The Astrophysical Journal, 2023
Despite the 30 yr history of ultraluminous X-ray sources (ULXs) studies, issues such as the majority of their physical natures (i.e., neutron stars, stellar-mass black holes, or intermediate black holes) as well as the accretion mechanisms are still ...
Chen-Hsun Ma, Kwan-Lok Li, You-Hua Chu, Albert K. H. Kong   +3 more
doaj   +1 more source

Comparison of four extraction methods for the detection of hepatitis B virus DNA in dried blood spot samples

MicrobiologyOpen, 2021
The dried blood spot (DBS) samples are a useful resource for viral DNA isolation and important in increasing access to HBV diagnosis. However, the choice of the DNA extraction method is crucial for reliable results.
Cristianne Sousa Bezerra, Moyra Machado Portilho, Cristiane Cunha Frota, Lívia Melo Villar   +3 more
doaj   +1 more source

Evaluation of the Sentinel-FOB gold faecal immunochemical test for the presence of haemoglobin using the automated Roche Cobas 8000 system

Practical Laboratory Medicine, 2022
Objectives: Faecal immunochemical tests (FIT) for the detection of haemoglobin are widely used in the diagnostic pathway of colorectal cancer (CRC) in patients presenting with lower abdominal symptoms.
Lutz Schwettmann, Astrid Lied, Ragnar Eriksen   +2 more
doaj   +1 more source

Establishment of a quantitative RT-PCR detection of SARS-CoV-2 virus

European Journal of Medical Research, 2021
Background The outbreak of novel coronavirus disease 2019 (COVID-19) has become a public health emergency of international concern. Quantitative testing of SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) virus is demanded in evaluating the ...
Yushen Jiang, Shanming Zhang, Hong Qin, Shuai Meng, Xuyi Deng, He Lin, Xiaoliang Xin, Yuxin Liang, Bowen Chen, Yan Cui, YiHeng Su, Pei Liang, GuangZhi Zhou, Hongbo Hu   +13 more
doaj   +1 more source

A comprehensive HPV-STI NGS assay for detection of 29 HPV types and 14 non-HPV sexually transmitted infections

Infectious Agents and Cancer, 2022
Background Sexually transmitted infections (STIs) are prevalent throughout the world and impose a significant burden on individual health and public health systems.
Zhihai Ma, Baback Gharizadeh, Xingsheng Cai, Mengzhen Li, María Dolores Fellner, Jorge Alejandro Basiletti, Rita Mariel Correa, María Celeste Colucci, Gabriela Baldoni, Martín Vacchino, Patricia Galarza, María Alejandra Picconi, Chunlin Wang   +12 more
doaj   +1 more source

Standardized Hepatitis B Virus RNA Quantification in Untreated and Treated Chronic Patients: a Promising Marker of Infection Follow-Up

Microbiology Spectrum, 2022
The measurement and interpretation of HBV DNA and RNA levels in HBV infected patients treated with antiviral therapy supports the objective of HBV disease management.
Maria Francesca Cortese, Mar Riveiro-Barciela, David Tabernero, Francisco Rodriguez-Algarra, Adriana Palom, Sara Sopena, Ariadna Rando-Segura, Luisa Roade, Alison Kuchta, Roser Ferrer-Costa, Josep Quer, Beatriz Pacin, Marta Vila, Rosario Casillas, Selene Garcia-Garcia, Rafael Esteban, Tomás Pumarola, Maria Buti, Francisco Rodriguez-Frias   +18 more
doaj   +1 more source

Operational impact of using a vanadate oxidase method for direct bilirubin measurements at an academic medical center clinical laboratory

Practical Laboratory Medicine, 2017
Objectives: The aim of this study was to compare the operational impact of using vanadate oxidase versus diazo direct bilirubin assays for an academic medical center patient population.
Neha Dhungana, Cory Morris, Matthew D. Krasowski   +2 more
doaj   +1 more source

Sensitivity analysis of rapid antigen tests for the Omicron SARS-CoV-2 variant detection from nasopharyngeal swab samples collected in Santiago of Chile

Frontiers in Public Health, 2022
The COVID-19 pandemic continues to be a concern and keeps global health authorities on alert. The RT-PCR technique has been the gold-standard assay for detecting the SARS-CoV-2 virus.
Carlos Barrera-Avalos, Javier Mena, Roberto Luraschi, Patricio Rojas, Carlos Mateluna-Flores, Eva Vallejos-Vidal, Mónica Imarai, Mónica Imarai, Ana María Sandino, Ana María Sandino, Daniel Valdés, Daniel Valdés, Rodrigo Vera, Iván Hernández, Felipe E. Reyes-López, Claudio Acuña-Castillo, Claudio Acuña-Castillo   +16 more
doaj   +1 more source