Concepedia

John C. Helmer

JC

Statistics

Publications

21

Citations

911

H-Index

16

Active since

1957

Affiliations

Varian Medical Systems (United States)(Current)

John C. Helmer is an author at Varian Medical Systems (United States) specializing in natural sciences, physics, and chemistry.

Publications per year

1957–1995

21

Publications

21

Electroosmotic properties and peak broadening in field-amplified capillary electrophoresis

Ring Ling. Chien, John C. Helmer · Analytical Chemistry · 1991 · 217 citations

Natural Sciences, Chemistry, Analytical Chemistry +9

Evaluation of fundamental properties of a silica capillary used for capillary electrophoresis

Karen Salomon, Dean S. Burgi, John C. Helmer · Journal of Chromatography A · 1991 · 108 citations

Natural Sciences, Chemical Engineering, Chemistry +16

ENHANCEMENT OF SENSITIVITY IN ESCA SPECTROMETERS

John C. Helmer, Norbert Weichert · Applied Physics Letters · 1968 · 105 citations

Natural Sciences, Electrical Engineering, Radiation Detection +6

Separation of seven tricyclic antidepressants using capillary electrophoresis

Karen Salomon, Dean S. Burgi, John C. Helmer · Journal of Chromatography A · 1991 · 74 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +14

Structure relations in the x-ray photoelectron spectra of three chromium compounds

John C. Helmer · Journal of Electron Spectroscopy and Related Phenomena · 1972 · 41 citations

Natural Sciences, Chemistry, Materials Science +10

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