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M. Dumasia · SciRah

Researcher profile · Semantic Scholar

M. Dumasia

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M. Dumasia — researcher profile on SciRah

h-index: 16
Works: 37
Citations: 729

Most-cited papers

Screening and confirmatory analysis of β-agonists, β-antagonists and their metabolites in horse urine by capillary gas chromatography—mass spectrometry
M. Dumasia, E. Houghton
199161 citations
Semantic Scholar
Studies related to the metabolism of anabolic steroids in the horse: the identification of some 16-oxygenated metabolites of 19-nortestosterone.
E. Houghton, M. Dumasia
1980Xenobiotica; the fate of foreign compounds in biological systems50 citations
Semantic Scholar
Studies related to the metabolism of anabolic steroids in the horse: the metabolism of 1-dehydrotestosterone and the use of fast atom bombardment mass spectrometry in the identification of steroid conjugates.
M. Dumasia, E. Houghton, Carol V. Bradley, Dudley H. Williams
1983Biomedical mass spectrometry48 citations
Semantic Scholar
The identification of C-18 neutral steroids in normal stallion urine.
E. Houghton, J. Copsey, M. Dumasia, P. Haywood +2 more
1984Biomedical mass spectrometry46 citations
Semantic Scholar
Studies related to the metabolism of anabolic steroids in the horse: the identification of some 16-oxygenated metabolites of testosterone and a study of the phase II metabolism.
M. Dumasia, E. Houghton
1981Xenobiotica; the fate of foreign compounds in biological systems44 citations
Semantic Scholar
Application of gas chromatography/mass spectrometry to steroid analysis in equine sports: Problems with enzyme hydrolysis†
E. Houghton, L. Grainger, M. Dumasia, P. Teale
199237 citations
Semantic Scholar
In vivo biotransformation of 17 alpha-methyltestosterone in the horse revisited: identification of 17-hydroxymethyl metabolites in equine urine by capillary gas chromatography/mass spectrometry.
M. Dumasia
2003Rapid Communications in Mass Spectrometry36 citations
Semantic Scholar
Studies related to the metabolism of anabolic steroids in the horse: the phase I and phase II biotransformation of 19-nortestosterone in the equine castrate.
M. Dumasia, E. Houghton
1984Xenobiotica; the fate of foreign compounds in biological systems34 citations
Semantic Scholar
Steroids in equine testes: the identification of endogenous 19-hydroxy and 19-nor neutral steroids by gas chromatography--mass spectrometry.
M. Dumasia, E. Houghton, M. Jackiw
1989Journal of Endocrinology32 citations
Semantic Scholar
Biotransformation of 1-dehydrotestosterone in the equine male castrate: identification of the neutral unconjugated and glucuronic acid conjugated metabolites in horse urine.
M. Dumasia, E. Houghton
1988Biomedical & environmental mass spectrometry30 citations
Semantic Scholar
A radioimmunoassay method for prednisolone: comparison with the competitive protein binding method.
J. Chakraborty, J. English, V. Marks, M. Dumasia +1 more
1976British Journal of Clinical Pharmacology30 citations Open access
Semantic Scholar
The use of capillary column gas chromatography and negative ion chemical ionization mass spectrometry to confirm the administration of synthetic corticosteroids to horses.
E. Houghton, P. Teale, M. Dumasia, J. K. Wellby
1982Biomedical mass spectrometry29 citations
Semantic Scholar
Studies related to the origin of C18 neutral steroids isolated from extracts of urine from the male horse: the identification of urinary 19-oic acids and their decarboxylation to produce estr-4-en-17beta-ol-3-one (19-nortestosterone) and estr-4-ene-3,17-dione (19-norandrost-4-ene-3,17-dione) during
Edward Houghton, P. Teale, M. Dumasia
2007Analytica Chimica Acta26 citations
Semantic Scholar
Detection of Eltenac in the Horse: Identification of Phase I Metabolites in Urine by Capillary Gas Chromatography-Mass Spectrometry and the Determination of Excretion Profile by Liquid Chromatography-Mass Spectrometry
M. Dumasia, I. Morelli, P. Teale
200425 citations
Semantic Scholar
The use of combined high performance liquid chromatography negative ion chemical ionization mass spectrometry to confirm the administration of synthetic corticosteroids to horses.
E. Houghton, M. Dumasia, J. K. Wellby
1981Biomedical mass spectrometry25 citations
Semantic Scholar
Development of a gas chromatographic-mass spectrometric method using multiple analytes for the confirmatory analysis of anabolic steroid residues in horse urine. II. Detection of administration of 19-nortestosterone phenylpropionate to equine male castrates and fillies.
E. Houghton, M. Dumasia, P. Teale, M. Moss +1 more
1986Journal of Chromatography A19 citations
Semantic Scholar
The use of stable isotopes and gas chromatography/mass spectrometry in the identification of steroid metabolites in the equine.
E. Houghton, M. Dumasia, P. Teale, S. Smith +3 more
1990Steroids15 citations
Semantic Scholar
Detection of the administration of anabolic preparations of nandrolone to the entire male horse.
E. Houghton, A. Ginn, P. Teale, M. Dumasia +1 more
1986Equine Veterinary Journal15 citations
Semantic Scholar
The biotransformation and urinary excretion of dexamethasone in equine male castrates.
M. Dumasia, E. Houghton, M. Moss, J. Chakraborty +1 more
1986Journal of Steroid Biochemistry14 citations
Semantic Scholar
Detection and identification of carprofen and its in vivo metabolites in greyhound urine by capillary gas chromatography-mass spectrometry.
M. Dumasia, A. Ginn, W. Hyde, J. Peterson +1 more
2003Journal of chromatography. B, Analytical technologies in the biomedical and life sciences12 citations
Semantic Scholar
In vivo biotransformation of metoprolol in the horse and on-column esterification of the aminocarboxylic acid metabolite by alcohols during solid phase extraction using mixed mode columns.
M. Dumasia
2006Journal of Pharmaceutical and Biomedical Analysis11 citations
Semantic Scholar
Detection of fenspiride and identification of in vivo metabolites in horse body fluids by capillary gas chromatography-mass spectrometry: administration, biotransformation and urinary excretion after a single oral dose.
M. Dumasia, E. Houghton, W. Hyde, D. Greulich +2 more
2002Journal of chromatography. B, Analytical technologies in the biomedical and life sciences10 citations
Semantic Scholar
Biotransformation of cyclizine in greyhounds. 1: identification and analysis of cyclizine and some basic metabolites in canine urine by gas chromatography-mass spectrometry
M. Dumasia, L. Grainger, E. Houghton
2002Xenobiotica; the fate of foreign compounds in biological systems10 citations
Semantic Scholar
Studies of testosterone metabolism in equine placental tissue.
D. Marshall, D. Gower, E. Houghton, M. Dumasia
1989Biochemical Society Transactions10 citations
Semantic Scholar
In-vitro biosynthesis of C18 neutral steroids in horse testes.
S. Smith, J. Cox, E. Houghton, M. Dumasia +1 more
1987Journal of reproduction and fertility. Supplement10 citations
Semantic Scholar
Studies into aromatase activity associated with fetal allantochorionic and maternal endometrial tissues of equine placenta. Identification of metabolites by gas chromatography mass spectrometry.
D. Marshall, M. Dumasia, P. Wooding, D. Gower +1 more
1996Journal of Steroid Biochemistry and Molecular Biology9 citations
Semantic Scholar
N-deethylation and N-oxidation of etamiphylline: identification of etamiphylline-N-oxide in greyhound urine by high performance liquid chromatography-mass spectrometry.
M. Dumasia, P. Teale
2005Journal of Pharmaceutical and Biomedical Analysis7 citations
Semantic Scholar
Identification of some N-hydroxylated metabolites of (±)-3,4-methylenedioxymethamphetamine in horse urine by gas chromatography-mass spectrometry
M. Dumasia
2003Xenobiotica; the fate of foreign compounds in biological systems7 citations
Semantic Scholar
The identification of a dihydrodiol metabolite of propranolol excreted in horse urine.
M. Dumasia, E. Houghton
1989Biomedical & environmental mass spectrometry6 citations
Semantic Scholar
Studies related to the metabolism of anabolic steroids in the horse: testosterone.
E. Houghton, M. Dumasia
1979Xenobiotica; the fate of foreign compounds in biological systems6 citations
Semantic Scholar
Biotransformation of cyclizine in greyhounds. 2: N 1 -dealkylation and identification of some neutral and phenolic metabolites in canine urine by gas chromatography-mass spectrometry
M. Dumasia
2002Xenobiotica; the fate of foreign compounds in biological systems4 citations
Semantic Scholar
Screening and confirmatory analysis of beta-agonists, beta-antagonists and their metabolites in horse urine by capillary gas chromatography-mass spectrometry.
M. Dumasia, E. Houghton
1991Journal of Chromatography A4 citations
Semantic Scholar
The application ofin vitro models for production of metabolites: Isolation and characterisation of hydroxysecobarbital
D. Marshall, M. Robinson, P. Hincks, M. Dumasia +2 more
20002 citations
Semantic Scholar
Gas chromatographic-mass spectrometric identification of some 3,16-dioxygenated steroids in non-pregnant and in pregnant mare urine and placental tissue
M. Dumasia, E. Houghton, M. Moss, D. Gower +1 more
19892 citations
Semantic Scholar
The metabolism of some steroids in the horse
M. Dumasia
19812 citations
Semantic Scholar
A Note on Mixed Mode Solid Phase Extraction of Basic Drugs and their Metabolites from Horse Urine
S. Westwood, M. Dumasia
19941 citations
Semantic Scholar
Studies in the aromatization of a synthetic progestin.
K. Fotherby, F. James, L. Atkinson, M. Dumasia
1972Journal of Endocrinology0 citations
Semantic Scholar

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