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Methods Enzymol
2018 Jan 01;603:93-101. doi: 10.1016/bs.mie.2018.02.006.
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Fluorescent Anesthetics.
Emerson DJ
,
Dmochowski IJ
.
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Methods for using exogenous fluorophore and general anesthetic 1-aminoanthracene (1-AMA) and its photoactive derivative 1-azidoanthracene (1-AZA) are provided. 1-AMA potentiates GABAA chloride currents and immobilizes Xenopus laevis tadpoles. Cellular and tissue anesthetic distribution can be imaged for quantifying "on-pathway" and "off-pathway" targets. 1-AZA shares targets with 1-AMA and offers further optoanesthetic spatial and temporal control upon near-UV laser irradiation. Furthermore, 1-AZA adduction provides screening of possible relevant anesthetic protein targets and binding site characterization. We highlight several useful imaging and binding assays to demonstrate utility of 1-AMA and its derivative 1-AZA.
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