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The use of FTIR microscopy for the evaluation of anti-bacterial agents activity

Paper ID Volume ID Publish Year Pages File Format Full-Text
29822 44442 2009 7 PDF Available
Title
The use of FTIR microscopy for the evaluation of anti-bacterial agents activity
Abstract

FTIR spectroscopy has been used by chemists as a powerful tool to characterize inorganic and organic compounds. In this study we examined the potential of FTIR microspectroscopy for early evaluation of the efficiency of anti-bacterial therapy. For this purpose, the effect of caffeic acid phenethyl ester (CAPE) and ampicillin on the development of bacterial infection in cell culture was examined. CAPE is one of the most active components of propolis which is a natural honeybee product with a potent anti-bacterial activity. Our results show early (2 h post-treatment), unique and significant spectral indicators for successful treatment with CAPE although some of these biomarkers showed different trends in Gram (−) compared with Gram (+) bacteria. For instance, the intensity of bands at 682 and 1316 cm−1 decreases in all examined Gram (−) bacterial strains while significantly increases in all examined Gram (+) bacterial strains. On the other hand, both Gram (+) and Gram (−) bacteria treated with ampicillin did not show any spectral differences compared with the control untreated bacteria. It seems that FTIR spectroscopy can be used as an effective tool for an early evaluation of the efficiency of the anti-bacterial effect of CAPE and probably other used drugs.

Keywords
FTIR microspectroscopy; Bacteria; Drug efficiency; Propolis; CAPE; Anti-bacterial activity
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology B: Biology - Volume 96, Issue 1, 17 July 2009, Pages 17–23
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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