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Edyta Proniewicz, Ilja Ignatjev, Gediminas Niaura, Dariusz Sobolewski, Adam Prahl and Leonard M. Proniewicz Role of Phe-D5 isotopically labeled analogues of bradykinin on elucidation of its adsorption mode on Ag, Au, and Cu electrodes. Surface-enhanced Raman spectroscopy studies Journal of Raman Spectroscopy 44

Version of Record online: 8 JUL 2013 | DOI: 10.1002/jrs.4343

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RS, SERS, electrochemistry, and isotopic effect methods were used to characterize selective adsorption of two isotopically labeled bradykinin analogues, [(Phe-D5)5]BK and [(Phe-D5)8]BK, a hormone which is known to be involved in small-cell and non-small-cell lung carcinoma and prostate cancer. Investigated analogues were immobilized onto Ag, Au, and Cu electrodes (–1.000 V to 0.200 V). Based on the analyses of the spectral profiles, specific conclusions were drawn with respect to the Phe⋅⋅⋅metal interactions, and changes in the interaction that occurred when the adsorption conditions were varied.

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