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Evaluation of gut bacterial populations using an electronic e-nose and field asymmetric ion mobility spectrometry: further insights into ‘fermentonomics’

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Arasaradnam, Ramesh P., Ouaret, N., Thomas, M. G., Gold, P., Quraishi, M. N., Nwokolo, Chuka U., Bardhan, Karna Dev and Covington, James A. (2012) Evaluation of gut bacterial populations using an electronic e-nose and field asymmetric ion mobility spectrometry: further insights into ‘fermentonomics’. Journal of Medical Engineering & Technology, Vol. 36 (No. 7). pp. 333-337. doi:10.3109/03091902.2012.690015

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Official URL: http://dx.doi.org/10.3109/03091902.2012.690015

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Abstract

The fermentation of undigested foods in the large bowel, by its resident bacteria, results in the production of several chemicals including volatile gases. Perturbance in gut bacteria is known to influence colonic and metabolic health, but to determine this requires prolonged culture (often unsuccessful) or expensive genomic sequencing. Clearly this is not practical for daily clinical practice. Previously, we have reported our insights into fermentonomics through the detection of volatile organic compounds (VOCs) in patients with gastrointestinal and metabolic diseases, using the electronic nose. In this paper we report on the changes in the fermentone produced by patients undergoing complete versus partial bowel cleansing. Using urine samples, preliminary results from 23 individuals receiving bowel cleansing indicate the ability of the electronic nose to distinguish between the partial and complete procedures. Moreover in a subset of individuals, we have been able to track evolving bacterial recolonization over time using the e-nose and field asymmetric ion mobility spectrometry (FAIMS). Such an approach has practical application in tracking bacterial dysbiosis following perturbation.

Read More: http://informahealthcare.com/doi/abs/10.3109/03091902.2012.690015

Item Type: Journal Article
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences
Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School
Journal or Publication Title: Journal of Medical Engineering & Technology
Publisher: Informa Healthcare
ISSN: 0309-1902
Official Date: 2012
Dates:
DateEvent
2012Published
Volume: Vol. 36
Number: No. 7
Page Range: pp. 333-337
DOI: 10.3109/03091902.2012.690015
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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