An improved method of gradient elution chromatography and its application to the separation of urinary ketosteroids

A new form of chromatogram employing two liquid phases

A. J. P. Martin, R. L. M. Synge · Biochemical Journal · 1941 · 1.6K citations · Full text

Pharmacy, Chemistry, Analytical Chemistry +12

THE COLORIMETRIC ESTIMATION OF 17-KETOSTEROIDS AND THEIR APPLICATION TO URINE EXTRACTS

A.F. Holtorff, F. C. Koch · Journal of Biological Chemistry · 1940 · 283 citations · Full text

Medicine, Biochemistry, Pharmacology +4

Gradient Elution Analysis. I. A General Treatment.

Rikard Alm, Richard J. Williams, Arne Tiselius et al. · Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry · 1952 · 207 citations · Full text

Pharmacy, Chemical Engineering, Analytical Chemistry +5

STUDIES IN STEROID METABOLISM

Seymour Lieberman, Konrad Dobriner, B.R. Hill et al. · Journal of Biological Chemistry · 1948 · 161 citations · Full text

Life Sciences, Biochemistry, Endocrinology +12

Automatically Increasing Solvent Polarity in Chromatography

Kenneth Donaldson, V. J. Tulane, Lawrence M. Marshall · Analytical Chemistry · 1952 · 87 citations

Natural Sciences, Chemistry, Analytical Chemistry +5