Biomolecular plasmonics for quantitative biology and nanomedicine.
Free electrons in a noble metal nanoparticle can be resonantly excited, leading to their collective oscillation termed as a surface plasmon. These surface plasmons enable nanoparticles to absorb light, generate heat, transfer energy, and re-radiate incident photons. Creative designs of nanoplasmonic optical antennae (i.e. plasmon resonant nanoparticles) have become a new foundation of quantitative biology and nanomedicine. This review focuses on the recent developments in dual-functional nanoplasmonic optical antennae for label-free biosensors and nanoplasmonic gene switches. Nanoplasmonic optical antennae, functioning as biosensors to significantly enhance biochemical-specific spectral information via plasmon resonance energy transfer (PRET) and surface-enhanced Raman spectroscopy (SERS), are discussed. Nanoplasmonic optical antennae, functioning as nanoplasmonic gene switches to enable spatiotemporal regulation of genetic activity, are also reviewed. Nanoplasmonic molecular rulers and integrated photoacoustic-photothermal contrast agents are also described.
Lee
Somin Eunice
SE
Department of Bioengineering, University of California-Berkeley, UCSF/UCB Joint Graduate Group in Bioengineering, Berkeley Sensor & Actuator Center, Berkeley, CA, USA.
Lee
Luke P
LP
D015374:Biosensing Techniques; D050997:Nanomedicine; D020349:Surface Plasmon Resonance
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