10 October 2012 Novel cationic dye and crosslinkable surfactant for DNA biophotonics
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Abstract
Biopolymers such as DNA can be used as a host material for nonlinear optical dyes for photonic applications. In previous work by Heckman et al. (Proc. SPIE 6401, 640108-2), the chromophore Disperse Red 1 (DR1) was combined with CTMA-DNA (a water-insoluble DNA/surfactant complex) to produce an electro-optic waveguide modulator. However, DR1 does not bind strongly to DNA and has a low first hyperpolarizability (β). We have used theory-aided design to develop and synthesize a novel chromophore with strong affinity for DNA and higher β than DR1. We have also developed a surfactant containing a photocrosslinkable moiety that can be used to harden thin films of the DNA/surfactant/dye composite under ultraviolet light. The optical and thermal properties of these materials and outlook for device applications will be discussed.
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Lewis E. Johnson, Lewis E. Johnson, Luke N. Latimer, Luke N. Latimer, Stephanie J. Benight, Stephanie J. Benight, Zachary H. Watanabe, Zachary H. Watanabe, Delwin L. Elder, Delwin L. Elder, Bruce H. Robinson, Bruce H. Robinson, Carrie M. Bartsch, Carrie M. Bartsch, Emily M. Heckman, Emily M. Heckman, Griet Depotter, Griet Depotter, Koen Clays, Koen Clays, } "Novel cationic dye and crosslinkable surfactant for DNA biophotonics", Proc. SPIE 8464, Nanobiosystems: Processing, Characterization, and Applications V, 84640D (10 October 2012); doi: 10.1117/12.964958; https://doi.org/10.1117/12.964958
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