University of North Florida
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Stuart Chalk, Ph.D.
Department of Chemistry
University of North Florida
Phone: 1-904-620-1938
Fax: 1-904-620-3535
Email: schalk@unf.edu
Website: @unf

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Cell

Classification: Cell -> yeast

Citations 1

"Determination Of Intracellular Dehydrogenase Activities Using Flow Injection Analysis"
J. Biotechnol. 1994 Volume 33, Issue 3 Pages 221-231
Katrin Steube and Uwe Spohn*

Abstract: Reproducible rapid methods for cell disintegration in miniaturized flow cells were developed. The disintegration of yeast cells by ultrasonics and ultraturrax in a miniaturized flow-through chamber was compared with the mixer mill disintegration. The flow-through chamber was combined with a sterile online sampling device to take samples from yeast cell suspensions and with an automated flow injection analysis (FIA) set-up, to determine the released enzyme activities. The FIA set-up was tested with the sequential determination of malate dehydrogenase, formate dehydrogenase and formaldehyde dehydrogenase in mixtures. The automated FIA determination of the intracellular formate dehydrogenase of yeast cells (hansenula polymorpha) was performed.
Enzyme, formate dehydrogenase Enzyme, malate dehydrogenase Enzyme, formaldehyde dehydrogenase Automation Mixing chamber