Research Article
Biodegradation of PAHs by Burkholderia sp. VITRSB1 Isolated from Marine Sediments
Table 5
Table showing frequencies visible in the spectra and their possible functional groups before and after degradation of aniline.
| Serial number | Frequency | Bond | Functional group |
| Before degradation |
| 1 | 3639.68 | O-H stretch, free hydroxyl | Alcohols, phenols | 2 | 3155.54 3140.11 | O-H stretch | Carboxylic acids | 3 | 1726.29 | C=O stretch | Carbonyls, carboxylic acids, aldehydes, saturated aliphatics, and α and β-unsaturated esters | 4 | 1581.63 | N-H bend | Primary amines | 5 | 1402.25 | C-C stretch (in ring) | Aromatics | 6 | 1139.93 | C-O stretch | Alcohols, carboxylic acids, esters, and ethers | 7 | 935.48 | =C-H bend | Alkenes | 8 | 877.61 | C-H “oop” | Aromatics | 9 | 619.15 532.35 | C-Br stretch | Alkyl halides |
| After degradation |
| 1 | 3163.26 3143.97 | O-H stretch | Carboxylic acids | 2 | 1654.92 | -C=C- stretch | Alkenes | 3 | 1400.32 | C-C stretch (in ring) | Aromatics | 4 | 1139.93 | C-O stretch | Alcohols, carboxylic acids, esters, and ethers | 5 | 995.27 935.48 | =C-H bend | Alkenes | 6 | 619.15 528.50 | C-Br stretch | Alkyl halides |
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