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Katja Walpurgis

Observed name: K. Walpurgis
Observed institution: German Sport University Cologne
ORCID: 0000-0003-1194-8158
Observed ORCID: 0000-0003-1194-8158
OpenAlex ID: A5091541790
RBC-NOS-Dependent S-Nitrosylation of Cytoskeletal Proteins Improves RBC Deformability
2013 · Marijke Grau, Sebastian Pauly, et al. · PLoS ONE · 169
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Dietary Supplement and Food Contaminations and Their Implications for Doping Controls
2020 · Katja Walpurgis, Andreas Thomas, et al. · Foods · 149
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Identification of black market products and potential doping agents in Germany 2010–2013
2014 · Oliver Krug, Andreas Thomas, et al. · European Journal of Clinical Pharmacology · 115
Fully automated dried blood spot sample preparation enables the detection of lower molecular mass peptide and non-peptide doping agents by means of LC-HRMS
2020 · Tobias Lange, Andreas Thomas, et al. · Analytical and Bioanalytical Chemistry · 64
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Determination of prohibited, small peptides in urine for sports drug testing by means of nano-liquid chromatography/benchtop quadrupole orbitrap tandem-mass spectrometry
2012 · Andreas Thomas, Katja Walpurgis, et al. · Journal of Chromatography A · 63
Analytical Approaches in Human Sports Drug Testing: Recent Advances, Challenges, and Solutions
2019 · Mario Thevis, Katja Walpurgis, et al. · Analytical Chemistry · 60
Hydroxyurea therapy modulates sickle cell anemia red blood cell physiology: Impact on RBC deformability, oxidative stress, nitrite levels and nitric oxide synthase signalling pathway
2018 · Elie Nader, Marijke Grau, et al. · Nitric Oxide · 55
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Expanded test method for peptides >2 kDa employing immunoaffinity purification and LC‐HRMS/MS
2015 · Andreas Thomas, Katja Walpurgis, et al. · Drug Testing and Analysis · 46
Elimination profiles of microdosed ostarine mimicking contaminated products ingestion
2020 · Katja Walpurgis, Ana Rubio, et al. · Drug Testing and Analysis · 43
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DropWise: current role and future perspectives of dried blood spots (DBS), blood microsampling, and their analysis in sports drug testing
2022 · M. Thevis, Katja Walpurgis, et al. · Critical Reviews in Clinical Laboratory Sciences · 39
Annual banned‐substance review: analytical approaches in human sports drug testing
2016 · Mario Thevis, Tiia Kuuranne, et al. · Drug Testing and Analysis · 37
Detection of His-tagged Long-R3-IGF-I in a black market product
2010 · Maxie Kohler, Andreas Thomas, et al. · Growth Hormone & IGF Research · 35
Testing for the erythropoiesis‐stimulating agent Sotatercept/ACE‐011 (ActRIIA‐Fc) in serum by means of Western blotting and LC‐HRMS
2016 · Katja Walpurgis, Andreas Thomas, et al. · Drug Testing and Analysis · 33
Effects of endurance exercise on the urinary proteome analyzed by 2‐D PAGE and Orbitrap MS
2010 · Maxie Kohler, Katja Walpurgis, et al. · PROTEOMICS - CLINICAL APPLICATIONS · 29
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Detection of small interfering RNA (siRNA) by mass spectrometry procedures in doping controls
2013 · Andreas Thomas, Katja Walpurgis, et al. · Drug Testing and Analysis · 26
Comparison of the urinary protein patterns of athletes by 2D‐gel electrophoresis and mass spectrometry—a pilot study
2009 · Maxie Kohler, Stefan Franz, et al. · Drug Testing and Analysis · 25
Proteolysis and autolysis of proteases and the detection of degradation products in doping control
2009 · Andreas Thomas, Maxie Kohler, et al. · Drug Testing and Analysis · 25
Analysis of Potential Gene Doping Preparations for Transgenic DNA in the Context of Sports Drug Testing Programs
2023 · Nana Naumann, Alina Paßreiter, et al. · International Journal of Molecular Sciences · 24
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Development of Two Complementary LC–HRMS Methods for Analyzing Sotatercept in Dried Blood Spots for Doping Controls
2019 · Tobias Lange, Katja Walpurgis, et al. · Bioanalysis · 23
Detection of the Human Anti‐ActRII Antibody Bimagrumab in Serum by Means of Affinity Purification, Tryptic Digestion, and LC‐HRMS
2017 · Katja Walpurgis, Andreas Thomas, et al. · PROTEOMICS - CLINICAL APPLICATIONS · 23
Validated hemoglobin‐depletion approach for red blood cell lysate proteome analysis by means of 2 D PAGE and O rbitrap MS
2012 · Katja Walpurgis, Maxie Kohler, et al. · Electrophoresis · 22
Mass spectrometric detection of siRNA in plasma samples for doping control purposes
2010 · Maxie Kohler, Andreas Thomas, et al. · Analytical and Bioanalytical Chemistry · 22
Isolation, Enrichment, and Analysis of Erythropoietins in Anti-Doping Analysis by Receptor-Coated Magnetic Beads and Liquid Chromatography–Mass Spectrometry
2014 · Matthias Vogel, Mike Blobel, et al. · Analytical Chemistry · 21
Combined detection of the ActRII‐Fc fusion proteins Sotatercept (ActRIIA‐Fc) and Luspatercept (modified ActRIIB‐Fc) in serum by means of immunoaffinity purification, tryptic digestion, and LC‐MS/MS
2018 · Katja Walpurgis, Andreas Thomas, et al. · Drug Testing and Analysis · 20
Analytical challenges in sports drug testing
2018 · Mario Thevis, Oliver Krug, et al. · Analytical and Bioanalytical Chemistry · 20
Works count: 62
Citation count: 1,488
H-index: 22
I10-index: 37
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