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Part I: Surface-Enhanced Raman Spectroscopy Investigation of Amino Acids and Their Homodipeptides Adsorbed on Colloidal Silver
Open accessAbstract
Surface-enhanced Raman scattering spectra (SERS) were measured for various amino acids: L-methionine (Met), L-cysteine (Cys), L-glycine (Gly), L-leucine (Leu), L-phenylalanine (Phe), and L-proline (Pro) and their homodipeptides (Met-Met, Cys-Cys, Gly-Gly, Leu-Leu, Phe-Phe, and Pro-Pro) in silver colloidal solutions. The geometry and orientation of the amino acids or dipeptides on the silver surface, and their specific interaction with the surface, were deducted by detailed spectral analysis of the SERS spectra. This analysis has allowed us to propose the particular surface geometry of amino acids or dipeptides and also implied that C–C bonds were almost parallel to the surface, as evidenced by the absence of marker bands in the skeletal C–C stretching region of the spectra. Additionally, using “time-dependent” SERS measurements we solved an existing controversy regarding the binding specificity of Gly-Gly on the silver surface.
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Cites
Spectrometric Identification of Organic Compounds
Silverstein, R. M., & Bassler, G. C. (1962) · Journal of Chemical Education · doi:10.1021/ed039p546 · Cited by 14,272
Cited by
Recent progress in SERS biosensing
Bantz, K. C., Meyer, A. F., Wittenberg, N. J., Im, H., Kurtuluş, Ö., Lee, S. H., Lindquist, N. C., Oh, S.-H., & Haynes, C. L. (2011) · Physical Chemistry Chemical Physics · doi:10.1039/c0cp01841d · Cited by 620
Probing Liquid/Solid Interfaces at the Molecular Level
Zaera, F. (2012) · Chemical Reviews · doi:10.1021/cr2002068 · Cited by 458
Metadata
- Authors
- Podstawka, E., Ozaki, Y., & Proniewicz, L. M.
- Venue
- Applied Spectroscopy
- Publisher
- SAGE Publications
- Published
- 2004-05
- Volume
- 58
- Issue
- 5
- Pages
- 570-580
- ISSN
- 0003-7028 (ISSN-L)
- 1943-3530
- OpenAlex
- W2032549269
- Cited by
- 235
- References
- 1
- FWCI
- 5.00
- Type
- journal article
- Language
- en
- Open access
- green
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- Podstawka, E., Ozaki, Y., & Proniewicz, L. M. (2004). Part I: Surface-Enhanced Raman Spectroscopy Investigation of Amino Acids and Their Homodipeptides Adsorbed on Colloidal Silver. Applied Spectroscopy. https://doi.org/10.1366/000370204774103408
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