Скачать или смотреть Enhanced Fluorescence Through the Incorporation of Nanocones/Gaps Into a Plasmonic Gratings Sensor

This video was recorded in 2014 and posted in 2021

Sponsored by IEEE Sensors Council (https://ieee-sensors.org/)

Title: Enhanced Fluorescence Through the Incorporation of Nanocones/Gaps Into a Plasmonic Gratings Sensor Platform

Author: Aaron Wood, Sheila Grant, Sagnik Basuray, Avinash Pathak, Sangho Bok, Cherian Mathai, Keshab Gangopadhyay, Shubhra Gangopadhyay

Affiliation: University of Missouri, United States

Abstract: A novel fluorescence based sensor platform was developed that combines the light coupling ability of plasmonic gratings with the intense electric fields of nanocones/cavities to detect extremely low analyte concentrations. Gold plasmonic gratings alone can enhance fluorescence intensity by up to 13x their original intensity but by incorporating nanocones/cavities, the enhancement can be increased up to 47x. When applied to a fluorescence based sensor, it results in substantially lower detection limits. A "lights-on" DNA aptamer sensor was developed and tested on the platform which resulted in much higher fluorescence on the plasmonic platform.

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