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A COULOMETRIC SENSOR - ACTUATOR-SYSTEM FOR ENZYMATIC MEASUREMENTS WITH LONG TERM STABILITY
Spohn, U. Fuhrmann, B. Mohr, K.-H.
Spohn, U.
Fuhrmann, B.
Mohr, K.-H.
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Issue Date
1992
Submitted date
2024-04-30
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Adobe PDF, 5.03 MB
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Abstract
Rapid and precise working microcoulometric flow titrations are suitable to follow enzyme catalyzed reactions producing ammonia. Ammonia was separated from the effluent of enzyme microreactors or directly from the enzyme immobilisate by an almost quantitatively working gas dialysis step. Highly precise and accurate determinations of urea, glutamine, asparagine and ammonia were implemented. A compact and fully automated microcoulometric sensor - actuator system for fast and long term stable enzymatic determinations was developed. The new measuring device allows nearly absolute determinations. Therefore the frequency of recalibration can be decreased considerably.
Citation
Biosensors : fundamentals, technologies and applications, 291 - 301
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Book chapter
conference paper
conference paper
Language
en
Description
Series/Report no.
GBF monographs ; Volume 17
ISSN
0930-4320
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ISBN
1560812206
3527284370
3527284370
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Attribution-NonCommercial-ShareAlike 4.0 International