Publications by authors named "Martin Kammel"

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The concept of external quality assessment super challenges with special consideration of their importance during pandemics.
Christoph Buchta, Stephan W Aberle, Stéphanie Albarède, Xavier Albe, Tony Badrick, Martin Kammel

Lancet Microbe· December 2025

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Detection of H5N1 clade 2.3.4.4b in external quality assessment programmes: a pandemic preparedness initiative.
Martin Kammel, Christoph Buchta, Stephan W Aberle, Stephanie Bligh, Roman Fried

Lancet Microbe· September 2025

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From crisis to routine - Standardization of SARS-CoV-2 genome detection by enhanced EQA schemes in a scientific pandemic network.
Martin Kammel, Hans-Peter Grunert, Anika Zimmermann, Annemarie Martin, Vanessa Lindig

Int J Med Microbiol· June 2025

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Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA): Part III – EQA samples.
Christoph Buchta, Rachel Marrington, Barbara De la Salle, Stéphanie Albarède, Xavier Albe, Martin Kammel

Clin Chem Lab Med· April 2025

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Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA): Part V – Benefits for stakeholders other than participants.
Christoph Buchta, Barbara De la Salle, Rachel Marrington, Andrés Aburto Almonacid, Stéphanie Albarède, Martin Kammel

Clin Chem Lab Med· April 2025

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Behind the scenes of EQA–characteristics, capabilities, benefits and assets of external quality assessment (EQA): Part IV – Benefits for participant laboratories.
Christoph Buchta, Barbara De la Salle, Rachel Marrington, Stéphanie Albarède, Tony Badrick, Martin Kammel

Clin Chem Lab Med· April 2025

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Reference, calibration and referral laboratories - a look at current European provisions and beyond.
Christoph Buchta, Bernhard Benka, Vincent Delatour, Ingrid Faé, Andrea Griesmacher, Martin Kammel

Clin Chem Lab Med· March 2025

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The Application of Digital PCR as a Reference Measurement Procedure to Support the Accuracy of Quality Assurance for Infectious Disease Molecular Diagnostic Testing.
Samreen Falak, Denise M O'Sullivan, Megan H Cleveland, Simon Cowen, Eloise J Busby, Martin Kammel

Clin Chem· March 2025

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Correlation of SARS-CoV-2 RNA and nucleocapsid concentrations in samples used in INSTAND external quality assessment schemes.
Esmeralda Valiente, Samreen Falak, Andreas Kummrow, Martin Kammel, Victor M Corman

BMC Res Notes· September 2023

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Classification of "Near-patient" and "Point-of-Care" SARS-CoV-2 Nucleic Acid Amplification Test Systems and a first approach to evaluate their analytical independence of operator activities.
Christoph Buchta, Heinz Zeichhardt, Tony Badrick, Wim Coucke, Nathalie Wojtalewicz, Martin Kammel

J Clin Virol· August 2023

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Results of German external quality assessment schemes for SARS-CoV-2 antigen detection.
Laura Vierbaum, Nathalie Wojtalewicz, Hans-Peter Grunert, Anika Zimmermann, Annemarie Scholz, Martin Kammel

Sci Rep· August 2023

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Design of external quality assessment schemes and definition of the roles of their providers in future epidemics.
Christoph Buchta, Heinz Zeichhardt, Stephan W Aberle, Jeremy V Camp, Irene Görzer, Martin Kammel

Lancet Microbe· July 2023

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Ignoring SARS-CoV-2 testing performance during COVID-19.
Christoph Buchta, Heinz Zeichhardt, Andrea Griesmacher, Ingo Schellenberg, Martin Kammel

Lancet Microbe· May 2023

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Results of the first German external quality assessment scheme for the detection of monkeypox virus DNA.
Laura Vierbaum, Nathalie Wojtalewicz, Anne Kaufmann, Sabine Goseberg, Patricia Kaiser, Martin Kammel

PLoS One· May 2023

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The Coronavirus Standards Working Group's roadmap for improved population testing.
Tim Mercer, Neil Almond, Michael A Crone, Patrick S G Chain, Alina Deshpande, Martin Kammel

Nat Biotechnol· November 2022

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An assessment of the reproducibility of reverse transcription digital PCR quantification of HIV-1.
Samreen Falak, Rainer Macdonald, Eloise J Busby, Denise M O'Sullivan, Mojca Milavec, Martin Kammel

Methods· May 2022

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The performance of human cytomegalovirus digital PCR reference measurement procedure in seven external quality assessment schemes over four years.
Mojca Milavec, Jernej Pavšič, Alexandra Bogožalec Košir, Gerwyn M Jones, Denise M O'Sullivan, Martin Kammel

Methods· May 2022

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Harmonization of Multiple SARS-CoV-2 Reference Materials Using the WHO IS (NIBSC 20/136): Results and Implications.
William Jonathan Windsor, Yannik Roell, Heidi Tucker, Chi-An Cheng, Sara Suliman, Martin Kammel

Front Microbiol· May 2022

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RNA reference materials with defined viral RNA loads of SARS-CoV-2-A useful tool towards a better PCR assay harmonization.
Laura Vierbaum, Nathalie Wojtalewicz, Hans-Peter Grunert, Vanessa Lindig, Ulf Duehring, Martin Kammel

PLoS One· February 2022

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The Dangers of Using Cq to Quantify Nucleic Acid in Biological Samples: A Lesson From COVID-19.
Daniel Evans, Simon Cowen, Martin Kammel, Denise M O'Sullivan, Graham Stewart

Clin Chem· December 2021

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The Comparative Clinical Performance of Four SARS-CoV-2 Rapid Antigen Tests and Their Correlation to Infectivity In Vitro.
Niko Kohmer, Tuna Toptan, Christiane Pallas, Onur Karaca, Annika Pfeiffer, Martin Kammel

J Clin Med· January 2021

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Cautionary Note on Contamination of Reagents Used for Molecular Detection of SARS-CoV-2.
Jim F Huggett, Vladimir Benes, Stephen A Bustin, Jeremy A Garson, Karthyn Harris, Martin Kammel

Clin Chem· November 2020

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Digital PCR method for detection and quantification of specific antimicrobial drug-resistance mutations in human cytomegalovirus.
Alexandra Bogožalec Košir, Tašja Cvelbar, Martin Kammel, Hans-Peter Grunert, Heinz Zeichhardt

J Virol Methods· July 2020

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Comparison of Volumetric and Bead-Based Counting of CD34 Cells by Single-Platform Flow Cytometry.
Luisa Saraiva, Lili Wang, Martin Kammel, Andreas Kummrow, Eleanor Atkinson

Cytometry B Clin Cytom· November 2019

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Quantification of cells with specific phenotypes I: determination of CD4+ cell count per microliter in reconstituted lyophilized human PBMC prelabeled with anti-CD4 FITC antibody.
Richard Stebbings, Lili Wang, Janet Sutherland, Martin Kammel, Adolfas K Gaigalas

Cytometry A· March 2015

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