Figure 6

SERS spectra of CDAg2 (a) 0.27μmol/L VBB; (b) a + 1.65 mg/mL CDAg2; (c) a + 3.33 mg/mL CDAg2; (d) a + 5.25 mg/mL CDAg2; (e) a + 6.67 mg/mL CDAg2; (f) a + 10 mg/mL CDAg2; (g) a + 12.5 mg/mL CDAg2.
SERS spectra of CDAg2 (a) 0.27μmol/L VBB; (b) a + 1.65 mg/mL CDAg2; (c) a + 3.33 mg/mL CDAg2; (d) a + 5.25 mg/mL CDAg2; (e) a + 6.67 mg/mL CDAg2; (f) a + 10 mg/mL CDAg2; (g) a + 12.5 mg/mL CDAg2.