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Structure-potential dependence of adsorbed enzymes and amino acids revealed by the surface enhanced Raman effect |
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| Authors: | G -J A Vidugiris A V Gudavičius V J Razumas J J Kulys |
| Institution: | (1) Institute of Biochemistry, Lithuanian Academy of Sciences, SU-232021 Vilnius, USSR |
| Abstract: | Surface enhanced Raman scattering (SERS) of some enzymes (alkaline phosphatase, horseradish peroxidase and lactoperoxidase) and some amino acids (tryptophan, tyrosine and phenylalanine) on silver electrodes has been studied. The spectral band intensities of certain amino acids and amino acid residues were determined by their orientation on the surface and depended on the electrode potential (E).Abbreviations SERS surface enhanced Raman scattering - Trp tryptophan - Tyr tyrosine - Phe phenylalanine - E electrode potential - ORC oxidation-reduction cycle |
| Keywords: | Surface enhanced Raman scattering alkaline phosphatase lactoperoxidase horseradish peroxidase tyrosine tryptophan phenylalanine orientation-potential dependence |
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