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Dive into the research topics where Curtis D. Pfeiffer is active.

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Featured researches published by Curtis D. Pfeiffer.


Journal of Chromatography A | 1996

High-performance liquid chromatographic separation of β-amino alcohols II. Separation of trans-2-(dialkylamino)cyclohexanols on an amylose-based chiral stationary phase

Lawrence W. Nicholson; Curtis D. Pfeiffer; Christian T. Goralski; Bakthan Singaram

Direct enantiomeric separations of racemic mixtures of trans-2-(dialkylamino)cyclohexanols were achieved with a variety of alcohol-modified pentane mobile phases and a Chiralpak AD chiral stationary phase. The effects of the aliphatic component and the alcohol modifier in the mobile phase were studied independently. A variety of alcohol modifiers were investigated that introduced steric factors or affected hydrogen bonding. Ring-size effects of the substituents were noted.


Hrc-journal of High Resolution Chromatography | 1987

Porous ceramic bed supports for fused silica packed capillary columns used in liquid chromatography

Hernan J. Cortes; Curtis D. Pfeiffer; Bruce E. Richter; Timothy S. Stevens


Hrc-journal of High Resolution Chromatography | 1985

On-line multidimensional chromatography using packed capillary liquid chromatography and capillary gas chromatography

Hernan J. Cortes; Curtis D. Pfeiffer; Bruce E. Richter


Archive | 1987

Chromatography columns with cast porous plugs and methods of fabricating same

Hernan J. Cortes; Curtis D. Pfeiffer; Bruce E. Richter; Timothy S. Stevens


Archive | 1992

Multidimensional chromatographic system

Hernan J. Cortes; Curtis D. Pfeiffer; Steven J. Martin; Charles G. Smith; Gary L. Jewett


Archive | 1989

On-line coupled liquid and gas chromatography system

Hernan J. Cortes; Curtis D. Pfeiffer; Bruce E. Richter


Archive | 2000

Method for chemical analysis of biological material

Curtis D. Pfeiffer; Nile N. Frawley; Thomas L. Peters; Philip J. Savickas; David R. Albers; Steven J. Gluck; Lawrence W. Nicholson; B H Jose Esquivel


Analytical Chemistry | 1993

Microcolumn size exclusion chromatography with polymeric stationary phases

Hernan J. Cortes; Curtis D. Pfeiffer


Archive | 1994

Process for the separation of enantiomers

Lawrence W. Nicholson; Christian T. Goralski; Curtis D. Pfeiffer


Journal of Chromatography A | 1994

High-performance liquid chromatographic separation of β-amino alcohols

Lawrence W. Nicholson; Curtis D. Pfeiffer; Christian T. Goralski; Bakthan Singaram; G.B. Fisher

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