Nanoplasmonic resonance energy transfer spectroscopic pH imaging

G. Logan Liu

doi:10.1117/12.826510

2 September 2009 Nanoplasmonic resonance energy transfer spectroscopic pH imaging

G. Logan Liu

Proceedings Volume 7395, Plasmonics: Nanoimaging, Nanofabrication, and their Applications V; 73951V (2009) https://doi.org/10.1117/12.826510
Event: SPIE NanoScience + Engineering, 2009, San Diego, California, United States

Abstract

Nano plasmonic resonance energy transfer (PRET) spectroscopy is a new sensing technique to study the electronic energy transfer between plasmonic nanoparticles and adsorbed biological/chemical molecules. PRET spectroscopy has been used to detect complex biomolecular activities including conformational change, electron transfer and protein interactions with ultrahigh sensitivity and specificity. Here we demonstrate in vitro and intracellular imaging of pH values using PRET spectroscopy. Potentially submicron spatial resolution and decimal pH sensitivity can be achieved in PRET pH imaging.

Citation Download Citation

G. Logan Liu "Nanoplasmonic resonance energy transfer spectroscopic pH imaging", Proc. SPIE 7395, Plasmonics: Nanoimaging, Nanofabrication, and their Applications V, 73951V (2 September 2009); https://doi.org/10.1117/12.826510

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