The pH profile of the human stomach
(2009-present)
The development of a validated mathematical model for the change in pH
in the human stomach following a meal will have implications for
areas such as nutrition and drug therapy. For example, it may be important
to know how the pH in the stomach changes following a meal, in order to
maximise the efficiency and digestion of an oral drug that is activated
at a certain stomach pH. Such a model may also be used to determine the
effect that varying pH has on the rate of digestion in the stomach.
Bibliography
- Yoo, M.J.Y., and Chen, X.D. (2009).
Development of a new human in vitro physico chemical upper
gastrointestinal system (IPUGS) - Motility methods. Submitted.
In the following:
- a superscript p denotes an author
who was a PhD student at the time the research was carried out.
- a superscript m denotes an author
who was an undergraduate at the time the research was carried out.
- a superscript u denotes an author
who was an undergraduate at the time the research was carried out.
Referred conference papers
- R. van Bentump,
M.I. Nelson, X.D. Chen and G. O'Brien.
The pH
profile of the human stomach.
In Proceedings of the 38th Australasian Chemical
Engineering Conference, CHEMECA 2010, (on CDROM),
Engineers Australia, 2010.
ISBN 978-085-825-9713.
- Developed a simple mode for pH change in in vitro
experiments mimicking the change in the pH in the human stomach
during and following a meal
(Bentum et al, 2010).
The model gave reasonable a fit to trends observed in
experimental data (Yoo and Chen, 2009).
However, the change in pH was underestimated as the model does not
consider any acid-base chemistry.
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Page Created: 29th March 2011.
Last Updated: 29th March 2011.