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Figure 4 | Nanoscale Research Letters

Figure 4

From: SERS-active silver colloids prepared by reduction of silver nitrate with short-chain polyethylene glycol

Figure 4

SERS analysis of p -aminothiophenol and amoxicillin. SERS spectra of p-aminothiophenol (patp) and amoxicillin (amx) adsorbed on PEG-reduced silver sol using both 633-nm (curves A and C) and 532-nm (curves B and D) laser lines. The spectra were shifted for clarity. Specific vibrational peaks of analytes molecules are clearly visible for all three classes of silver colloids.

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