Share Email Print

Proceedings Paper

Characterization of a sol-gel-entrapped artificial receptor
Author(s): Richard A. Dunbar; Upvan Narang; Paras N. Prasad; Frank V. Bright
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

We report on the development, characterization, and photophysics of a new fiber-optic-based sensor which uses a sol-gel entrapped recognition element. The recognition element is modified (beta) -cyclodextrin to which we have added a short tether (glycine) and a fluorophore (dansyl). This recognition element forms an intramolecular complex, and the dansyl group can include within the cyclodextrin cavity. Non-fluorescent analytes, that bind to the cyclodextrin cavity, can effectively displace the included dansyl group and result in a measurable change in signal. We report on the detection limits, dynamic range, and photophysics (i.e., transduction mechanism) of this new sensor.

Paper Details

Date Published: 30 April 1993
PDF: 9 pages
Proc. SPIE 1796, Chemical, Biochemical, and Environmental Fiber Sensors IV, (30 April 1993); doi: 10.1117/12.143523
Show Author Affiliations
Richard A. Dunbar, SUNY/Buffalo (United States)
Upvan Narang, SUNY/Buffalo (United States)
Paras N. Prasad, SUNY/Buffalo (United States)
Frank V. Bright, SUNY/Buffalo (United States)

Published in SPIE Proceedings Vol. 1796:
Chemical, Biochemical, and Environmental Fiber Sensors IV
Robert A. Lieberman, Editor(s)

© SPIE. Terms of Use
Back to Top