Table 3.
The frequencies (cm−1) and assignments of FTIR bands for fungal cells of T. brevicompactum QYCD-6 before and after treatment with aqueous solutions of 50 mg/L Cu, Cr, Cd, Pb, Zn and metal mix.
| Untreated cells | Loaded cells | Suggested assignment | |||||
|---|---|---|---|---|---|---|---|
| Cu | Cr | Cd | Pb | Zn | Metal mix | ||
| 3424.0 | 3385.1 | 3373.9 | 3357.9 | 3423.6 | 3362.2 | 3373.6 | O-H and N-H stretching vibrations |
| 2924.9 | 2924.1 | 2925.3 | 2926.5 | 2924.9 | 2926.0 | 2926.3 | C-H asymmetric stretching |
| — | 2853.3 | — | — | 2853.3 | — | — | C-H symmetric stretching |
| — | 2426.1 | 2426.1 | — | — | — | — | P-H stretching |
| — | 1744.5 | — | — | — | — | C=O stretching of ester | |
| 1652.1 | 1655.1 | 1655.1 | 1655.1 | 1651.9 | 1655.3 | 1651.8 | C=O stretching and N-H deformation (amide I region) |
| 1552.3 | 1548.5 | 1551.1 | 1546.8 | — | 1543.3 | 1546.7 | N-H bending in amide II and C-N stretching in -CO-NH- |
| 1400.9 | 1384.3 | 1384.7 | 1406.2 | 1382.8 | 1405.5 | 1406.6 | carboxylate group |
| 1154.7 | 1155.5 | 1155.4 | 1152.8 | 1153.7 | 1152.2 | 1150.3 | Phosphate and sulfide groups |
| 1074.4 | 1077.5 | 1074.5 | 1079.9 | 1077.4 | 1080.5 | 1079.5 | Phosphate and sulfide groups |
| 1034.3 | 1038.7 | 1032.6 | 1033.8 | 1038.6 | 1034.5 | 1050.2 | C-C, C=C, C-O-C, C-O-P of saccharides |
| — | — | 825.6 | — | — | — | — | Aromatic C-H stretching |
| 562.6 | 577.1 | 563.5 | 578.2 | 579.1 | 580.3 | 574.8 | Nitro compounds and disulfide groups |