Hisao Oka
Nagasaki Ajisai Hospital(JP)
Publications by Year
Research Areas
Chromatography in Natural Products, Analytical Chemistry and Chromatography, Pesticide Residue Analysis and Safety, Dye analysis and toxicity, Antibiotics Pharmacokinetics and Efficacy
Most-Cited Works
- → A Nonempirical Method Using LC/MS for Determination of the Absolute Configuration of Constituent Amino Acids in a Peptide: Combination of Marfey's Method with Mass Spectrometry and Its Practical Application(1997)461 cited
- → A Nonempirical Method Using LC/MS for Determination of the Absolute Configuration of Constituent Amino Acids in a Peptide: Elucidation of Limitations of Marfey's Method and of Its Separation Mechanism(1997)342 cited
- → Chromatographic analysis of tetracycline antibiotics in foods(2000)290 cited
- → Formation, characterization, and toxicity of the glutathione and cysteine conjugates of toxic heptapeptide microcystins(1992)203 cited
- → Analysis and purification of toxic peptides from cyanobacteria by reversed-phase high-performance liquid chromatography(1988)179 cited
- → Systematic search for suitable two-phase solvent systems for high-speed counter-current chromatography(1991)174 cited