E. Ivashkiv

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Picogram level determination of fluphenazine in human plasma by automated gas chromatography/mass selective detection.

M. Jemal, D. Both, E. Ivashkiv, 1987, Biomedical & environmental mass spectrometry.

Body fluid analysis of a phosphonic acid angiotensin-converting enzyme inhibitor using high-performance liquid chromatography and post-column derivatization with o-phthalaldehyde.

H. Brittain, H. Kadin, E. Ivashkiv, 1989, Journal of chromatography.

Quantitation of drug levels and platelet receptor blockade caused by a thromboxane antagonist

L. Friedhoff, D. Willard, J. Manning, 1986, Clinical pharmacology and therapeutics.

Effect of food on pravastatin pharmacokinetics and pharmacodynamics.

H. Pan, D. Willard, M. McGovern, 1993, International journal of clinical pharmacology, therapy and toxicology.

Determination of pravastatin sodium and its major metabolites in human serum/plasma by capillary gas chromatography/negative ion chemical ionization mass spectrometry.

M. Arnold, E. Ivashkiv, A. Cohen, 1989, Biomedical & environmental mass spectrometry.

Determination of a thromboxane A2 receptor antagonist in human plasma by capillary gas chromatography with electron-capture detection.

M. Jemal, E. Ivashkiv, A. Cohen, 1986, Journal of chromatography.

Spectrophotometric methods for monitoring the microbial transformation of steroids. II. Absorbance ratio spectrophotometric determination of per cent conversion of 9α‐fluoro‐16α‐hydroxyhydrocortisone to 9α‐fluoro‐16α‐hydroxyprednisolone

E. Ivashkiv, 1971, Biotechnology and bioengineering.

Determination of lovastatin acid in serum by gas chromatography/mass spectrometry.

M. Jemal, E. Ivashkiv, A. Cohen, 1989, Rapid communications in mass spectrometry : RCM.

Fluorometric determination of nadolol in human serum and urine.

E. Ivashkiv, 1977, Journal of pharmaceutical sciences.

Determination of total captopril in human plasma by gas chromatography-mass spectrometry with selected-ion monitoring after reduction of disulfides.

E. Ivashkiv, A. Cohen, D. McKINSTRY, 1984, Journal of pharmaceutical sciences.

Gas chromatography/selected ion monitoring mass spectrometric determination of captopril in human blood.

M. Malley, E. Ivashkiv, A. Cohen, 1980, Analytical chemistry.

Determination of serum nadolol levels by GLC--selected ion monitoring mass spectrometry: comparison with a spectrofluorometric method.

M. Malley, E. Ivashkiv, A. Cohen, 1978, Journal of pharmaceutical sciences.

Determination of SQ 27,519, the active phosphinic acid-carboxylic acid of the prodrug SQ 28,555, in human serum by capillary gas chromatography with nitrogen-phosphorus detection after a two-step derivatization.

M. Jemal, E. Ivashkiv, A. Cohen, 1985, Journal of chromatography.

Determination of orally coadministered nadolol and its deuterated analogue in human serum and urine by gas chromatography with selected-ion monitoring mass spectrometry.

E. Ivashkiv, A. Cohen, P. T. Funke, 1984, Journal of pharmaceutical sciences.

Determination of pravastatin sodium and its isomeric metabolite in human urine by HPLC with UV detection.

E. Ivashkiv, A. Cohen, D. Whigan, 1989, Journal of pharmaceutical and biomedical analysis.

Comparative Pharmacokinetics and Pharmacodynamics of Pravastatin and Lovastatin

H. Pan, B. Swanson, A. Sugerman, 1990, Journal of clinical pharmacology.

Determination of captopril in human blood and urine by GLC-selected ion monitoring mass spectrometry after oral coadministration with its isotopomer.

E. Ivashkiv, A. Cohen, P. T. Funke, 1982, Journal of pharmaceutical sciences.

Pharmacokinetics and pharmacodynamics of pravastatin alone and with cholestyramine in hypercholesterolemia

H. Pan, D. Willard, E. Ivashkiv, 1990, Clinical pharmacology and therapeutics.

Spectrophotometric determination of gramicidin and tyrocidine in fermentation broths.

E. Ivashkiv, 1973, Biotechnology and bioengineering.

Colorimetric determination of peptide antibiotics: in-process assay of cyclic octapeptidic antibiotics in fermentation broths.

E. Ivashkiv, 1975, Journal of pharmaceutical sciences.

Chemical Method for Determination of 6-Aminopenicillanic Acid in Fermentation Broths.

E. Ivashkiv, 1964 .

Spectrofluorometric determination of captopril plus captopril disulfide metabolites in plasma.

E. Ivashkiv, 1984, Journal of pharmaceutical sciences.

Identification and determination of the S-methyl metabolite of captopril in human plasma by selected-ion monitoring gas chromatography-mass spectrometry.

E. Ivashkiv, A. Cohen, T. McCormick, 1984, Journal of pharmaceutical sciences.

Colorimetric determination of nadolol in tablets

E. Ivashkiv, 1978 .

Simultaneous determination of the prodrug zofenopril and its active drug in plasma by capillary gas chromatography-mass-selective detection.

M. Jemal, E. Ivashkiv, A. Cohen, 1988, Journal of Chromatography A.

Separation and determination of polymyxin B in formulations.

E. Ivashkiv, 1968, Journal of Pharmacy and Science.

Spectrometric Determination of 9α-Fluorohydrocortisone in Fer mentation Broths

E. Ivashkiv, 1961 .