Please use this identifier to cite or link to this item: https://doi.org/10.1038/srep04075
Title: Actively targeted in vivo multiplex detection of intrinsic cancer biomarkers using biocompatible SERS nanotags
Authors: Dinish, U.S.
Balasundaram, G.
Chang, Y.-T. 
Olivo, M. 
Issue Date: 12-Feb-2014
Citation: Dinish, U.S., Balasundaram, G., Chang, Y.-T., Olivo, M. (2014-02-12). Actively targeted in vivo multiplex detection of intrinsic cancer biomarkers using biocompatible SERS nanotags. Scientific Reports 4 : -. ScholarBank@NUS Repository. https://doi.org/10.1038/srep04075
Abstract: Surface-enhanced Raman scattering (SERS) technique is becoming highly popular for multiplex biosensing due to the 'fingerprint' Raman spectra from every molecule. As a proof-of-concept, we demonstrated the actively targeted multiplex in vitro and in vivo detection of three intrinsic cancer biomarkers - EGFR, CD44 and TGFβRII in a breast cancer model using three multiplexing capable, biocompatible SERS nanoparticles/nanotags. Intra-tumorally injected antibody conjugated nanotags specifically targeting the three biomarkers exhibited maximum signal at 6â€...hours and no detectable signal at 72â€...hours. However, nanotags without antibodies showed no detectable signal after 6â€...hours. This difference could be due to the specific binding of the bioconjugated nanotags to the receptors on the cell surface. Thus, this study establishes SERS nanotags as an ultrasensitive nanoprobe for the multiplex detection of biomarkers and opens up its potential application in monitoring tumor progression and therapy and development into a theranostic probe.
Source Title: Scientific Reports
URI: http://scholarbank.nus.edu.sg/handle/10635/93047
ISSN: 20452322
DOI: 10.1038/srep04075
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