A. T. Shepard

Stoichiometric determination of chlorophyll a-water aggregates and photosynthesis. Symbiotic roles of the magnesium atom and the ring V cyclopentanone group in the structural and photochemical properties of chlorophyll a monohydrate and dihydrate

John G. Brace, Francis K. Fong, Dale H. Karweik et al. · Journal of the American Chemical Society · 1978 · 41 citations

Life Sciences, Biochemistry, Chemistry +17

Principal-component analysis applied to combined gas chromatographic-mass spectrometric data

James E. Davis, A. T. Shepard, Nancy. Stanford et al. · Analytical Chemistry · 1974 · 36 citations

Pharmacy, Chemistry, Analytical Chemistry +10

System for transferring samples between chambers in UHV

T.H. Fleisch, A. T. Shepard, Thomas Y. Ridley et al. · Journal of Vacuum Science and Technology · 1978 · 22 citations

Engineering, Mechanical Engineering, Equipment +12

X-ray photoelectron spectroscopic studies of the thermal stability of chlorophyll a monohydrate

Nicholas Winograd, A. T. Shepard, Dale H. Karweik et al. · Journal of the American Chemical Society · 1976 · 20 citations

Natural Sciences, Biochemistry, Chemistry +11

Detection of high mass cluster ions sputtered from Bi surfaces

A. T. Shepard, R. W. Hewitt, George J. Slusser et al. · Chemical Physics Letters · 1976 · 15 citations

Natural Sciences, Materials Engineering, Materials Science +11