Research Article
Silicon-Based Technology for Ligand-Receptor Molecular Identification
Table 2
Frequencies (cm−1) of major infrared bands observed in wafer samples and peak assignment.
| | Frequency cm−1 | Predicted peak | | A | B | C | D | E | F | |
| | — | 1127 | — | — | — | — | Si–O str | | — | — | 1250 | 1250 | 1258 | 1258 | Si–O–C as str | | — | — | 1295–1305 | — | — | — | –(CH2)–str | | — | — | 1445–1475 | — | — | — | –O–CH2–str | | — | — | — | — | — | 1531 | Amide II | | — | — | | — | 1635 | 1642 | C=O str | | — | — | 1650 | — | — | — | Saturated primary ammine (–NH2 def) | | — | — | — | — | 1650–1680 | 1638–1687 | Amide I C=O str | | — | — | — | — | 1685–1705 | 1774 | C=O str | | — | — | — | — | — | 3121 | N–H str | | — | — | 3250–3677 | — | — | — | Primary ammine –NH2 str |
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A, B, C, D, E, and F are referred to the samples as indicated in Figure 2.
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