Author

Donald A. Cooper

Observed names: D. A. COOPER, D. A. Cooper, D. Cooper, D.A. Cooper, DA Cooper, Donald Cooper

Institution: Drug Enforcement Administration

Observed institutions: Drug Enforcement Administration, United States Army

OpenAlex ID: A5069383844

Geo-location of heroin and cocaine by stable isotope ratios

1999 · James R. Ehleringer, Donald A. Cooper, et al. · Forensic Science International · 117

Behind the Identification of China White

1981 · Theodore C. Kram, Donald A. Cooper, et al. · Analytical Chemistry · 74

A proteinase from human erythrocyte membranes

1970 · Gerald L. Moore, Walter F. Kocholaty, et al. · Biochimica et Biophysica Acta (BBA) - Enzymology · 74

Determination and in-depth chromatographic analyses of alkaloids in South American and greenhouse-cultivated coca leaves

1994 · James M. Moore, John F. Casale, et al. · Journal of Chromatography A · 58

Illicit heroin manufacturing by-products: capillary gas chromatographic determination and structural elucidation of narcotine- and norlaudanosine-related compounds

1984 · Andrew C. Allen, Donald A. Cooper, et al. · Analytical Chemistry · 57

Capillary gas chromatographic-electron capture detection of coca-leaf-related impurities in illicit cocaine: 2,4-diphenylcyclobutane-1,3-dicarboxylic acids, 1,4-diphenylcyclobutane-2,3-dicarboxylic acids and their alkaloidal precursors, the truxillines

1987 · James M. Moore, Donald A. Cooper, et al. · Journal of Chromatography A · 51

Determination of manufacturing impurities in heroin by capillary gas chromatography with electron capture detection after derivatization with heptafluorobutyric anhydride

1984 · James M. Moore, Andrew C. Allen, et al. · Analytical Chemistry · 49

Structural information from tandem mass spectrometry for China White and related fentanyl derivatives

1982 · Michael T. Cheng, Gary H. Kruppa, et al. · Analytical Chemistry · 44

Analysis of manufacturing by-products and impurities in illicit cocaine via high-performance liquid chromatography and photodiode array detection

1987 · I.S. Lurie, J.M. Moore, et al. · Journal of Chromatography A · 43

Determination of fentanyl and related compounds by capillary gas chromatography with electron capture detection

1986 · James M. Moore, Andrew C. Allen, et al. · Analytical Chemistry · 42

Isolation, identification and separation of isomeric truxillines in illicit cocaine

1990 · Ira S. Lurie, James M. Moore, et al. · Journal of Chromatography A · 40

Comparative determination of total isomeric truxillines in illicit, refined, South American cocaine hydrochloride using capillary gas chromatography-electron capture detection

1996 · James M. Moore, John F. Casale, et al. · Journal of Chromatography A · 35

Chromatographic separation of some minor components of the gentamicin complex

1972 · G.H. Wagman, J.A. Marquez, et al. · Journal of Chromatography A · 33

The Application of Capillary Gas Chromatography-Electron Capture Detection in the Comparative Analyses of Illicit Cocaine Samples

1993 · JM Moore, DA Cooper · Journal of Forensic Sciences · 29

High-performance liquid chromatographic analysis of benzodiazepines using diode array, electrochemical and thermospray mass spectrometric detection

1992 · Ira S. Lurie, Donald A. Cooper, et al. · Journal of Chromatography A · 28

The Cocaine Diastereoisomers

1981 · AC Allen, DA Cooper, et al. · Journal of Forensic Sciences · 28

High-performance liquid chromatography using continuous on-line post-elution photoirradiation with subsequent diode-array UV or thermospray mass spectrometry detection

1993 · Ira S. Lurie, Donald A. Cooper, et al. · Journal of Chromatography A · 25

Flavonoids as chemotaxonomic markers for cultivated Amazonian coca

2002 · Emanuel L Johnson, Walter F Schmidt, et al. · Plant Physiology and Biochemistry · 23

1-Hydroxytropacocaine: An abundant alkaloid of Erythroxylum novogranatense var. Novogranatense and var. Truxillense

1994 · J.M. Moore, P.A. Hays, et al. · Phytochemistry · 23

Determination of neutral manufacturing impurities in heroin by capillary gas chromatography with electron capture detection after reduction with lithium aluminum hydride and derivatization with heptafluorobutyric anhydride

1986 · James M. Moore, Andrew C. Allen, et al. · Analytical Chemistry · 23

Thebaine rearrangements: nonclassical D ring migrations

1984 · Andrew C. Allen, Donald A. Cooper, et al. · The Journal of Organic Chemistry · 22

.DELTA.16,17-Dehydroheroinium chloride: synthesis and characterization of a novel impurity detected in illicit heroin

1983 · Andrew C. Allen, James M. Moore, et al. · The Journal of Organic Chemistry · 20

The Stereoisomers of 4-Methylaminorex

1989 · RFX Klein, AR Sperling, et al. · Journal of Forensic Sciences · 18

Sensitive detection of nicotine after its novel perfluoroacylation and analysis using capillary gas chromatography-electron-capture detection

1993 · James M. Moore, Donald A. Cooper, et al. · Journal of Chromatography A · 14

Changes in Human Erythrocyte Membrane Proteins During Storage

1971 · G. L. Moore, D. A. Cooper, et al. · Vox Sanguinis · 11

Works count: 33

Citation count: 1,015

H-index: 21

I10-index: 26