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M. Parr · SciRah

Researcher profile · Semantic Scholar

M. Parr

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M. Parr — researcher profile on SciRah

h-index: 33
Works: 147
Citations: 3,466

Most-cited papers

NDMA impurity in valsartan and other pharmaceutical products: Analytical methods for the determination of N‐nitrosamines
M. Parr, J. Joseph
2019Journal of Pharmaceutical and Biomedical Analysis155 citations
Semantic Scholar
Ecdysteroids as non-conventional anabolic agent: performance enhancement by ecdysterone supplementation in humans
E. Isenmann, Gabriella Ambrosio, J. Joseph, M. Mazzarino +7 more
2019Archives of Toxicology101 citations Open access
Semantic Scholar
Life cycle management of analytical methods
M. Parr, Alexander H Schmidt
2018Journal of Pharmaceutical and Biomedical Analysis101 citations
Semantic Scholar
Estrogen receptor beta is involved in skeletal muscle hypertrophy induced by the phytoecdysteroid ecdysterone.
M. Parr, Pi-Wen Zhao, O. Haupt, S. Ngueu +8 more
2014Molecular Nutrition & Food Research98 citations
Semantic Scholar
Physicochemical characterization of biopharmaceuticals.
M. Parr, Othman Montacir, Houda Montacir
2016Journal of Pharmaceutical and Biomedical Analysis65 citations
Semantic Scholar
SFC for chiral separations in bioanalysis
L. C. Harps, J. Joseph, M. Parr
2019Journal of Pharmaceutical and Biomedical Analysis58 citations
Semantic Scholar
Risk assessment for nitrosated pharmaceuticals: A future perspective in drug development
Sebastian Schmidtsdorff, Jonas Neumann, Alexander H Schmidt, M. Parr
2022Archiv der Pharmazie49 citations Open access
Semantic Scholar
Synthetic Androgens as Designer Supplements
J. Joseph, M. Parr
2015Current Neuropharmacology49 citations Open access
Semantic Scholar
Methods in endogenous steroid profiling - A comparison of gas chromatography mass spectrometry (GC-MS) with supercritical fluid chromatography tandem mass spectrometry (SFC-MS/MS).
J. Teubel, Bernhard Wust, C. Schipke, O. Peters +1 more
2018Journal of Chromatography A46 citations
Semantic Scholar
Comparability study of Rituximab originator and follow‐on biopharmaceutical
Othman Montacir, Houda Montacir, Murat Eravci, Andreas Springer +3 more
2017Journal of Pharmaceutical and Biomedical Analysis42 citations
Semantic Scholar
Distinction of clenbuterol intake from drug or contaminated food of animal origin in a controlled administration trial – the potential of enantiomeric separation for doping control analysis
M. Parr, M. Blokland, F. Liebetrau, Alexander H Schmidt +5 more
2017Food Additives and Contaminants Part A-chemistry Analysis Control Exposure & Risk Assessment41 citations Open access
Semantic Scholar
The use of nails as an alternative matrix for the long-term detection of previous drug intake: validation of sensitive UHPLC-MS/MS methods for the quantification of 76 substances and comparison of analytical results for drugs in nail and hair samples
Franziska Krumbiegel, Martin Hastedt, Lena Westendorf, André Niebel +3 more
2016Forensic Science, Medicine, and Pathology40 citations
Semantic Scholar
SFC-MS/MS as an orthogonal technique for improved screening of polar analytes in anti-doping control
M. Parr, B. Wuest, E. Naegele, J. Joseph +5 more
2016Analytical and Bioanalytical Chemistry38 citations
Semantic Scholar
Splitless hyphenation of SFC with MS by APCI, APPI, and ESI exemplified by steroids as model compounds.
M. Parr, Bernhard Wust, J. Teubel, J. Joseph
2018Journal of chromatography. B, Analytical technologies in the biomedical and life sciences37 citations
Semantic Scholar
Ion exchange in supercritical fluid chromatography tandem mass spectrometry (SFC-MS/MS): Application for polar and ionic drugs and metabolites in forensic and anti-doping analysis.
Majlinda Xhaferaj, E. Naegele, M. Parr
2019Journal of Chromatography A36 citations
Semantic Scholar
Physicochemical Characterization, Glycosylation Pattern and Biosimilarity Assessment of the Fusion Protein Etanercept
Othman Montacir, Houda Montacir, Andreas Springer, S. Hinderlich +3 more
2018The Protein Journal35 citations
Semantic Scholar
Conversion of chenodeoxycholic acid to cholic acid by human CYP8B1
Linbing Fan, J. Joseph, P. Durairaj, M. Parr +1 more
2018Biological chemistry35 citations
Semantic Scholar
Polyglycerol-opioid conjugate produces analgesia devoid of side effects
Sara González-Rodríguez, M. Quadir, Shilpi Gupta, Karolina A. Walker +10 more
2017eLife34 citations Open access
Semantic Scholar
Targeting the administration of ecdysterone in doping control samples
M. Parr, Gabriella Ambrosio, B. Wuest, M. Mazzarino +5 more
2019bioRxiv33 citations Open access
Semantic Scholar
Toxicological findings in suicides – frequency of antidepressant and antipsychotic substances
Maximilian Methling, Franziska Krumbiegel, S. Hartwig, M. Parr +1 more
2018Forensic Science, Medicine, and Pathology28 citations
Semantic Scholar
Analytical lifecycle management for comprehensive and universal nitrosamine analysis in various pharmaceutical formulations by supercritical fluid chromatography.
Sebastian Schmidtsdorff, Jonas Neumann, Alexander H Schmidt, M. Parr
2021Journal of Pharmaceutical and Biomedical Analysis25 citations
Semantic Scholar
Combined effects of androgen anabolic steroids and physical activity on the hypothalamic-pituitary-gonadal axis.
J. Hengevoss, M. Piechotta, D. Müller, Fabian Hanft +3 more
2015Journal of Steroid Biochemistry and Molecular Biology22 citations
Semantic Scholar
Differential compartmentalization of myeloid cell phenotypes and responses towards the CNS in Alzheimer’s disease
Camila Fernández Zapata, G. Giacomello, E. Spruth, J. Middeldorp +13 more
2022Nature Communications21 citations Open access
Semantic Scholar
Rapid, sensitive, and reliable quantitation of nicotine and its main metabolites cotinine and trans-3'-hydroxycotinine by LC-MS/MS: Method development and validation for human plasma.
N. Mallock, A. Rabenstein, P. Laux, T. Rüther +3 more
2021Journal of chromatography. B, Analytical technologies in the biomedical and life sciences21 citations Open access
Semantic Scholar
New Insights into the Metabolism of Methyltestosterone and Metandienone: Detection of Novel A-Ring Reduced Metabolites
Steffen Loke, Lingyu Liu, M. Wenzel, Heike Scheffler +7 more
2021Molecules20 citations Open access
Semantic Scholar
Detection and quantification of synthetic cathinones and selected piperazines in hair by LC-MS/MS
André Niebel, Franziska Krumbiegel, S. Hartwig, M. Parr +1 more
2019Forensic Science, Medicine, and Pathology20 citations
Semantic Scholar
How reliable is dietary supplement labelling?-Experiences from the analysis of ecdysterone supplements.
Gabriella Ambrosio, David W. Wirth, J. Joseph, M. Mazzarino +3 more
2020Journal of Pharmaceutical and Biomedical Analysis19 citations
Semantic Scholar
Prevalence of nitrosamine contaminants in drug samples: Has the crisis been overcome?
Sebastian Schmidtsdorff, Jonas Neumann, Alexander H Schmidt, M. Parr
2022Archiv der Pharmazie18 citations Open access
Semantic Scholar
Detection of formestane abuse by mass spectrometric techniques.
X. de la Torre, C. Colamonici, Davide Curcio, D. Jardines +3 more
2014Drug Testing and Analysis18 citations
Semantic Scholar
Interlaboratory study of a supercritical fluid chromatography method for the determination of pharmaceutical impurities: Evaluation of multi-systems reproducibility.
A. Dispas, A. Clarke, Alexandre Grand-Guillaume Perrenoud, Luca Gioacchino Losacco +44 more
2021Journal of Pharmaceutical and Biomedical Analysis17 citations Open access
Semantic Scholar
Combined chemical and biotechnological production of 20βOH-NorDHCMT, a long-term metabolite of Oral-Turinabol (DHCMT).
Jiaxin Liu, Lei Chen, J. Joseph, A. Naß +6 more
2018Journal of Inorganic Biochemistry16 citations
Semantic Scholar
Fine-mapping of the substrate specificity of human steroid 21-hydroxylase (CYP21A2).
A. Stoll, Steffen Loke, J. Joseph, David Machalz +5 more
2019Journal of Steroid Biochemistry and Molecular Biology15 citations
Semantic Scholar
Forced Degradation Testing as Complementary Tool for Biosimilarity Assessment
Yan Dyck, Daniel Rehm, J. Joseph, K. Winkler +3 more
2019Bioengineering15 citations Open access
Semantic Scholar
Supercritical fluid chromatography mass spectrometry as an emerging technique in doping control analysis
M. Parr, F. Botré
2022Trends in Analytical Chemistry (TrAC)13 citations
Semantic Scholar
Pharmacology of doping agents—mechanisms promoting muscle hypertrophy
M. Parr, Anna Müller-Schöll
201813 citations Open access
Semantic Scholar
Pursuing Experimental Reproducibility: An Efficient Protocol for the Preparation of Cerebrospinal Fluid Samples for NMR-Based Metabolomics and Analysis of Sample Degradation
Benjamin Albrecht, E. Voronina, C. Schipke, O. Peters +3 more
2020Metabolites12 citations Open access
Semantic Scholar
Functional Expression of All Human Sulfotransferases in Fission Yeast, Assay Development, and Structural Models for Isoforms SULT4A1 and SULT6B1
Yanan Sun, David Machalz, Gerhard Wolber, M. Parr +1 more
2020Biomolecules12 citations Open access
Semantic Scholar
Structure assisted impurity profiling for rapid method development in liquid chromatography.
Sebastian Schmidtsdorff, Alexander H Schmidt, M. Parr
2018Journal of Chromatography A12 citations Open access
Semantic Scholar
Quantitation of Formoterol, Salbutamol, and Salbutamol-4′-O-Sulfate in Human Urine and Serum via UHPLC-MS/MS
L. C. Harps, D. A. Bizjak, U. Girreser, M. Zügel +3 more
2023Separations11 citations Open access
Semantic Scholar
Coupling high-resolution mass spectrometry and chemometrics for the structural characterization of anabolic-androgenic steroids and the early detection of unknown designer structures.
P. Leogrande, F. Botré, X. de la Torre, D. Jardines +2 more
2021Talanta: The International Journal of Pure and Applied Analytical Chemistry11 citations
Semantic Scholar
Urinary Elimination of Ecdysterone and Its Metabolites Following a Single-Dose Administration in Humans
Gabriella Ambrosio, Tasha Yuliandra, B. Wuest, M. Mazzarino +5 more
2021Metabolites11 citations Open access
Semantic Scholar
Controlled Administration of Dehydrochloromethyltestosterone in Humans: Urinary Excretion and Long-Term Detection of Metabolites for Anti-Doping Purpose
Steffen Loke, X. de la Torre, M. Iannone, G. La Piana +4 more
2021bioRxiv11 citations Open access
Semantic Scholar
Nicotine delivery and relief of craving after consumption of European JUUL e-cigarettes prior and after pod modification
N. Mallock, A. Rabenstein, Solveig Gernun, P. Laux +8 more
2021Scientific Reports11 citations Open access
Semantic Scholar
Bioengineering of rFVIIa Biopharmaceutical and Structure Characterization for Biosimilarity Assessment
Othman Montacir, Houda Montacir, Murat Eravci, Andreas Springer +4 more
2018Bioengineering11 citations Open access
Semantic Scholar
Urinary excretion of ecdysterone and its metabolites following spinach consumption.
Tasha Yuliandra, K. Touvleliou, X. de la Torre, F. Botré +5 more
2023Molecular Nutrition & Food Research10 citations Open access
Semantic Scholar
Determination of Neurosteroids in Human Cerebrospinal Fluid in the 21st Century: a Review.
J. Teubel, M. Parr
2020Journal of Steroid Biochemistry and Molecular Biology10 citations
Semantic Scholar
Quality by design approach for enantioseparation of terbutaline and its sulfate conjugate metabolite for bioanalytical application using supercritical fluid chromatography.
Dina Aboushady, R. Hanafi, M. Parr
2022Journal of Chromatography A9 citations
Semantic Scholar
Quality-by-Design Is a Tool for Quality Assurance in the Assessment of Enantioseparation of a Model Active Pharmaceutical Ingredient
Dina Aboushady, M. Parr, R. Hanafi
2020Pharmaceuticals9 citations Open access
Semantic Scholar
In-depth GC-MS/MS Fragmentation Analysis of Formestane and Evaluation of Mass Spectral Discrimination of Isomeric 3-Keto-4-ene Hydroxy Steroids.
A. Kollmeier, X. de la Torre, Christian Müller, F. Botré +1 more
2020Rapid Communications in Mass Spectrometry9 citations Open access
Semantic Scholar
Drug-drug interaction and doping: Effect of non-prohibited drugs on the urinary excretion profile of methandienone.
M. Mazzarino, Franziska L. Khevenhüller-Metsch, Ilaria Fiacco, M. Parr +2 more
2018Drug Testing and Analysis9 citations
Semantic Scholar

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Alexander H Schmidt

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