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Deuterium isotope effect on femtosecond solvation dynamics in methyl -cyclodextrins
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10.1063/1.3176020
/content/aip/journal/jcp/131/4/10.1063/1.3176020
http://aip.metastore.ingenta.com/content/aip/journal/jcp/131/4/10.1063/1.3176020

Figures

Image of Scheme 1.
Scheme 1.

Schematic representation of C153.

Image of FIG. 1.
FIG. 1.

Steady state absorption and emission spectra of C153 in and .

Image of FIG. 2.
FIG. 2.

Steady state emission spectra of C153 in (A) bulk (——), (B) 130 mM DMB in (– – – –), and (C) 130 mM TMB in (——).

Image of FIG. 3.
FIG. 3.

Plot of vs 1/[TMB] for C153 in TMB-.

Image of FIG. 4.
FIG. 4.

Plot of emission quantum yield of C153 vs [CD] in with varying concentration of the CD’s (a) DMB (◼) and (b) TMB (○). The points represent experimental values and the solid line represents the non linear least square fit corresponding to Eq. (6).

Image of FIG. 5.
FIG. 5.

Fluorescence anisotropy decay of C153 along with the fitted curve in (A) 130 mM DMB in and (B) 130 mM TMB in at 490 nm.

Image of FIG. 6.
FIG. 6.

Picosecond decay of C153 in (A) 130 mM DMB and (B) 130 mM TMB at in both and .

Image of FIG. 7.
FIG. 7.

Picosecond decay of C153 in (A) 130 mM DMB in and (B) 130 mM TMB in at 460 nm, (ii) 520 nm, and (iii) 600 nm.

Image of FIG. 8.
FIG. 8.

Femtosecond fluorescence transient of C153 in the presence of 130 mM DMB in [(A)–(C)] and in the presence of 130 mM TMB in [(D)–(F)]; at 600 nm [(A) and (D)], 520 nm [(B) and (E)], and 460 nm [(C) and (F)].

Image of FIG. 9.
FIG. 9.

Decay of vs time for C153 bound to (A) 130 mM DMB and (B) 130 mM TMB in (▲) and in (○). The points denote the actual values of and the solid line denotes the best fit to an exponential decay. Initial parts of the decays of are shown in the inset.

Image of FIG. 10.
FIG. 10.

Complete decay of solvent response function, of C153 bound to (A) 130 mM DMB and (B) 130 mM TMB in (▲) and in (○). The points denote the actual values of and the solid line denotes the best fit to an exponential decay. Initial parts of the decays of are shown in the inset.

Image of FIG. 11.
FIG. 11.

Complete decay of solvent response function, of C153 bound to 130 mM DMB (◼) and 130 mM TMB (○) in . The points denote the actual values of and the solid line denotes the best fit to an exponential decay.

Tables

Generic image for table
Table I.

Binding constants, emission quantum yield, and relative contribution of 1:1 and 1:2 complexes for C153 in 130 mM DMB and TMB in and .

Generic image for table
Table II.

Anisotropy decay parameters of C153 in 130 mM DMB and TMB in and at .

Generic image for table
Table III.

Decay parameters of of C153 in 130 mM DMB and TMB in and at .

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/content/aip/journal/jcp/131/4/10.1063/1.3176020
2009-07-24
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Deuterium isotope effect on femtosecond solvation dynamics in methyl β-cyclodextrins
http://aip.metastore.ingenta.com/content/aip/journal/jcp/131/4/10.1063/1.3176020
10.1063/1.3176020
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