The effect of m-alkoxyphenol compounds on the Chromobacterium violaceum respiration metabolic rate: Microcalorimetric and theoretical investigations

A structure-activity relationship study (SAR) was applied to correlate the biological activities of m -alkoxyphenol compounds on Chromobacterium violaceum respiration with chemical structure properties. The biological activities of these compounds on metabolism rates were obtained through microcalor...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2009-03, Vol.95 (3), p.929-935
Main Authors: Basheer, M. M., Oliveira, Denise A., Volpe, P. L. O., Airoldi, C.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Bacteriology
Biological and medical sciences
Chemistry
Chemistry and Materials Science
Fundamental and applied biological sciences. Psychology
Inorganic Chemistry
Measurement Science and Instrumentation
Metabolism. Enzymes
Microbiology
Physical Chemistry
Polymer Sciences
Regular Papers
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Summary:A structure-activity relationship study (SAR) was applied to correlate the biological activities of m -alkoxyphenol compounds on Chromobacterium violaceum respiration with chemical structure properties. The biological activities of these compounds on metabolism rates were obtained through microcalorimetry. The calculations to estimate several physicochemical properties were carried out at the semi-empirical AM1 and ab initio DFT levels using the CEP-31G basis set and were parameterized using the continuum-solvation model COSMO for solvent contribution. m -alkoxyphenols properties were evaluated by chemometric analyses to carry out a correlation between the physicochemical properties and their biological effects. These compound effects increase with lateral hydrocarbon chain length, volume, dipole moment, proton affinity, energies of HOMO and LUMO, partition coefficient and enthalpy of formation and decrease with solvent effects and ionization enthalpy.
ISSN:1388-6150
1588-2926
1572-8943
DOI:10.1007/s10973-007-8706-3