Single-molecule detection of thionine on aggregated gold nanoparticles by surface enhanced Raman scattering
✍ Scribed by Chuanmin Ruan; Wei Wang; Baohua Gu
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 493 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0377-0486
- DOI
- 10.1002/jrs.1691
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The effect of colloidal Au particle aggregation on surface-enhanced Raman scattering (SERS) spectra was probed by SERS filtration experiments. In this approach, SERS and optical spectra were recorded for trans-1,2-bis(4-pyridyl)ethylene (BPE)-aggregated solutions of colloidal Au filtered through str
## Abstract Surface‐enhanced resonance Raman scattering (SERRS) spectra of cationic 5,10,15,20‐tetrakis(1‐methyl‐4‐pyridyl) porphyrin (TMPyP) and anionic 5,10,15,20‐tetrakis(4‐sulfonatophenyl) porphyrin (TSPP) were measured from gold surfaces prepared by attaching citrate‐reduced colloidal nanopart