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Optical detection of HIV-1 virus based on SERS. (A) Schematic representation of electrochemical deposition of uniformed Au nanodots and the immunoassay configuration using the SERS technique for the rapid and sensitive measurement of HIV-1; (B) The SERS spectra showed the changes in intensity of Raman peaks and linear plots related to different concentrations of HIV-1 VLPs. Figure reproduced with permission from [50], © 2015 American Scientific Publisher.
