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  • JSAP-OSA Joint Symposia 2016 Abstracts
  • (Optica Publishing Group, 2016),
  • paper 15p_C31_2

Surface-enhanced Raman spectroscopic analysis of the cyclic Arg–Gly–Asp peptide ligands of cells using plasmonic nanogap antennas

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Abstract

Understanding the interaction between out-expressed proteins in cancer cells and their extracellular matrix (ECM) represents a key process for improving current cancer therapies and diagnoses. ECM proteins such as fibronectin, vitronectin, and laminin can be substituted by using a small synthetic peptide named RGD (R: arginine (Arg); G: glycine (Gly); D: aspartic acid (Asp)). This synthetic peptide, in its cyclic conformation, exhibits higher stability toward sterilization, heat treatment, pH-variations, and storage. Several clinical studies involving the use of cyclic (or cyclo) RGD (cRGD) for imaging, chemotherapeutic strategies of drug delivery systems are underway.

© 2016 Japan Society of Applied Physics, Optical Society of America

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