. Author manuscript; available in PMC: 2009 Mar 31.

Published in final edited form as: J Org Chem. 2006 Dec 22;71(26):9651–9657. doi: 10.1021/jo0616660

Table 1.

Absorption and Emission of PRODAN, 12, and 13 in Solvents with a Range of Δf (Orientational Polarizability)^a

fluorophore		PRODAN^b		12		13
solvent	Δf	λ_abs	λ_em	λ_abs	λ_em	λ_abs	λ_em
hexane	0.0001	341^c	390^c	445	483	439	483
toluene	0.0134	349^d	416^d	451	507	447	507
chloroform	0.1482	357	440	459	525	458	536
THF	0.2096	348^c	431^c	455	533	450	529
acetonitrile	0.3053	350	462	460	551	455	557
DMF	0.2745	355	461	464	557	458	557
DMSO	0.2640	358^d	464^d	467	566	460	569
1-propanol	0.2493	360^d	480^d	456	537	456	585
ethanol	0.2886	360	496	454	545	452	601
methanol	0.3084	362	505	457	546	456	604
1,2-propanediol	0.2708	370	510	462	546	462	598
ethylene glycol	0.2745	375	515	464	554	464	617

The concentration for absorption measurement was 10^-5 M. The concentration for emission measurement was 10^-7 M, and the excitation wavelength was at the absorption λ_max.

Unless otherwise specified, all λ_abs and λ_em data for PRODAN are from ref 2.

Ref ²³.

Ref ^3d (in i-PrOH).