Journal
TECHNOLOGY
Volume 2, Issue 2, Pages 118-132Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S2339547814500125
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Funding
- NIH/NIBIB [R21 EB015016]
- Department of Biomedical Engineering
- Office of the Vice President of Research at Stony Brook University (SUNY)
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Multiplexed surface-enhanced Raman scattering (SERS) nanoparticles (NPs) offer the potential for rapid molecular phenotyping of tissues, thereby enabling accurate disease detection as well as patient stratifi cation to guide personalized therapies or to monitor treatment outcomes. The clinical success of molecular diagnostics based on SERS NPs would be facilitated by the ability to accurately identify tissue biomarkers under time-constrained staining and detection conditions with a portable device. In vitro, ex vivo and in vivo experiments were performed to optimize the technology and protocols for the rapid detection (0.1-s integration time) of multiple cell-surface biomarkers with a miniature fi ber-optic spectral-detection probe following a brief (5 min) topical application of SERS NPs on tissues. Furthermore, we demonstrate that the simultaneous detection and ratiometric quantifi cation of targeted and nontargeted NPs allows for an unambiguous assessment of molecular expression that is insensitive to nonspecifi c variations in NP concentrations.
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