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Nonlinear immunofluorescent assay for androgenic hormones based on resonant structures
Author(s) -
Anisha Thayil,
Alejandro Muriano,
J.Pablo Salvador,
Roger Galvé,
M.Pilar Marco,
Dobryna Zalvidea,
Pablo LozaÁlvarez,
Tsvi Katchalski,
Eran Grinvald,
Asher A. Friesem,
Silvia Soria
Publication year - 2008
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.16.013315
Subject(s) - fluorescence , optics , grating , nonlinear optics , anabolism , chemistry , biophysics , materials science , physics , biology , biochemistry , laser
We report for the first time the use of two photon fluorescence as detection method of affinity binding reactions. We use a resonant grating waveguide structure as platform enhancement for detecting the interaction between fluorescent labeled Boldenone, a non-natural androgenic hormone, and a specific anti-anabolic antibody. We were able to detect a surface coverage of approximately 0.7 ng/mm(2).

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