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Secondary structure content of BSA prior to and after gold nanoparticle formation and growth, as evidenced by Raman spectroscopy.
| Day 1 | Day 40 | Assignment | ||
|---|---|---|---|---|
| ν (cm−1) | Area (%) | ν (cm−1) | Area (%) | |
| 1617 | 11 | 1623 | 13 | β-sheet |
| 1639 | 9 | 1637 | 13 | random coil |
| 1655 | 62 | 1654 | 31 | α-helix |
| 1670 | 8 | 1671 | 19 | β-turn |
| 1688 | 10 | 1694 | 24 | β-turn |
