. Author manuscript; available in PMC: 2013 Jun 15.

Published in final edited form as: J Photochem Photobiol A Chem. 2012 Apr 24;238:35–40. doi: 10.1016/j.jphotochem.2012.04.011

Table 1.

Photophysical characteristics of cholesterol models 7a and 7b, PRODAN (2a) and related derivatives 2d and 2f.^a

solvent	2a			2d			7a			2f			7b

	abs	em	I/I_max	abs	em	I/I_max	abs	em	I/I_max	abs	em	I/I_max	abs	em	I/I_max
C₆H₁₂	343	392	0.01	347	407	0.01	362	433	0.77	397	449	0.72	418	507	1.00
PhMe	349	416	0.32	353	417	0.15	368	452	0.74	403	478	1.00	426	554	0.58
PhCl	354	425	0.63	357	423	0.32	370	462	0.89	402	498	0.96	427	573	0.39
EtOAc	352	430	0.71	353	429	0.33	366	467	0.69	396	506	0.59	417	586	0.21
CH₂Cl₂	358	440	0.75	358	440	0.65	373	472	0.93	398	511	0.84	426	595	0.30
EtCOMe	367	443	0.83	356	443	0.55	368	481	0.52	398	517	0.30	420	612	0.06
CH₃CN	368	456	0.85	356	448	0.79	370	489	0.90	396	523	0.24	419	625	0.03
DMSO	369	464	0.87	363	453	0.84	376	472	1.00	407	538	0.25	428	643	0.03
iPrOH	367	480	0.99	368	482	1.00	376	512	0.96	406	520	0.12	417	637	<0.01
EtOH	369	494	1.00	369	489	0.82	374	522	0.94	406	495	0.05	410	539	0.02

Maximum absorbance (abs) and fluorescence (em) in nm. I/I_max is the normalized, absorption-adjusted emission intensity over the range of solvents.