S 1 c · 2015-04-02 · 1 Cholesterol-tethered AIEE Fluorogens: Formation of Self-Assembled Nanostructures. Veerabhadraiah Palakollu and SriramKanvah* Department of Chemistry, Indian
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
1
Cholesterol-tethered AIEE Fluorogens: Formation of Self-Assembled Nanostructures.
Veerabhadraiah Palakollu and SriramKanvah*
Department of Chemistry, Indian Institute of Technology Gandhinagar, Chandkheda,
Fig S1a: Excitation Spectra of (1), (2), (3) and (4) in homogeneous solvents.
300 350 400 4500.0
0.2
0.4
0.6
0.8
1.0
Inte
nsity
(a. u
)
Wavelength (nm)
Dichloromethane Heptane Dioxane Tetrahydrofuran Acetonitrile Water
(1)
250 300 350 400 4500.0
0.2
0.4
0.6
0.8
1.0
Inte
nsity
(a. u
)
Wavelength (nm)
Heptane Acetonitrile Dioxane Water Dichlloromethane
(2)
300 350 400 450 5000.0
0.2
0.4
0.6
0.8
1.0
Inte
nsity
(a. u
)
Wavelength (nm)
Hepatne Dioxane Tetrahydron Acetonitrile Water
(3)
300 350 400 4500.0
0.2
0.4
0.6
0.8
1.0
Inte
nsity
(a. u
)
Wavelength (nm)
Heptane Water Tetrahydrofuran Acetonitrile
(4)
3
Figure S2.Emission spectra ofa) stilbene (1), b) stilbene-cholesterol (2) in homogeneous
solvents
Figure S3. Emission spectra of diene (3) and diene-cholesterol (4) in solid state
400 450 500 550 600 650 7000.0
0.2
0.4
0.6
0.8
1.0
Inte
nsity
(a. u
)
Wavelength (nm)
THF Dioxane DCM DMF Heptane Acetonitrile
S2b
450 500 550 600 650 700 7500.0
0.2
0.4
0.6
0.8
1.0
Inte
nsity
(a. u
)
Wavelength (nm)
Diene Diene-Cholesterol
400 450 500 550 600 650 700
0.0
0.2
0.4
0.6
0.8
1.0In
tens
ity (a
. u)
Wavelength (nm)
Heptane DCM Dioxane Acetonitrile DMF THF
S2a
4
Figure S4.SEM images of a) stilbene (1) and b) stilbene cholesterol (2) in dioxane
Figure S5.SEM images of a) diene and b) diene cholesterol in dioxane
Figure S6. UV spectra of stilbene (1) in sodium cholate solutions
S4a S4b
S5a S5b
300 400 500 600
0.0
0.1
0.2
0.3
0.4
Abso
rban
ce
Wavelength (nm)
Stilbene-Water 6mM 20mM
5
Figure S7. Sigmoid plots of cholate concentration vs emission intensity at ~467 nm of a) stilbene (1)[CMC is 14.6 mM], b) stilbene cholesterol (2)[CMC is 14.7 mM]and c) diene (3) [CMC is 16.5 mM] as the probes d) Colors changes of aqueous sodium-cholate solution at 8mM and 16mM respectively in presence of dyes (stilbene (1), stilbene-cholesterol (2), diene (3) under UV lighting conditions
8 10 12 14 16 18 20 22 24 26
2.0x105
4.0x105
6.0x105
8.0x105
1.0x106
1.2x106
Inte
nsity
Cholate concentration (mM)
8 10 12 14 16 18 20 22 24
2.0x105
4.0x105
6.0x105
8.0x105
1.0x106
Inte
nsity
Cholate concentration (mM)8 10 12 14 16 18 20 22
3.00x105
4.50x105
6.00x105
7.50x105
9.00x105
Inte
nsity
Cholate concentration (mM)
S7a S7b
S7cStilbene 1 Stilbene 2Diene-3
S7d
6
Figure S8.SEM images of sodium cholate at a) lower (8 mM) and b) higher concentrations (16
M) in Millipore water
Figure S9.SEM images of diene (3) and diene cholesterol (4) at different concentration of
cholate. a) 8mM and at b) 16mM for (1); (c) 8mM; d) 16mM for (2). Inset shows the SEM at
lower magnification.
S8a S8b
S9a S9b
S9c S9d
7
Figure S10a.CD Spectra of stilbene in dioxane and water; b) CD spectra of sodium cholate at 8mM and 16mM.