Bistability in the glucose - glucose oxidase - ferricyanide reaction
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F12%3A43893713" target="_blank" >RIV/60461373:22340/12:43893713 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Bistability in the glucose - glucose oxidase - ferricyanide reaction
Original language description
This work is focused on dynamics of the glucose -glucose oxidase - ferricyanide enzymatic reaction with or without sodium hydroxide in a continuous-flow stirred tank reactor (CSTR) and in a batch reactor. This reaction exhibits pH-variations having autocatalytic character and is reported to provide nonlinear dynamic behaviour (bistability, excitability). The dynamical behaviour of the reaction was examined within a wide range of inlet parameters. The main inlet parameters were the ratio of concentrations of sodium hydroxide and ferricyanide and the flow rate (reciprocal residence time). In a batch reactor we observed an autocatalytic drop of pH from slightly basic to medium acidic values. In a CSTR our aim was to find bistability in the absence of sodium hydroxide. For high concentration of glucose we obtained hysteresis loop as the flow rate was changed. Further experiments will be made to observe wider area of bistability and the effect of sodium hydroxide on the hysteresis loop.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
CI - Industrial chemistry and chemical engineering
OECD FORD branch
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Result continuities
Project
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Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach
Others
Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
20th International Congress of Chemical and Process Engineering
ISBN
978-80-905035-1-9
ISSN
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e-ISSN
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Number of pages
9
Pages from-to
1-9
Publisher name
Orgit, s.r.o.
Place of publication
Praha
Event location
Prague
Event date
Aug 25, 2012
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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