construction and bioimaging application of novel indole ...1. td-dft calculation 2. photophysical...
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Construction and Bioimaging Application of Novel Indole Heptamethine
Cyanines Containing Functionalized Tetrahydropyridine Ring
Supporting Information for
Xiaoxie Ma,a,c Chen Zhang,b ,c Lan Feng,a Sheng Hua Liu,a Ying Tan,*b and Jun Yin*a
*E-mail: [email protected]; [email protected]
a Key Laboratory of Pesticide and Chemical Biology, Ministry of Education; Hubei International Scientific and
Technological Cooperation Base of Pesticide and Green Synthesis; International Joint Research Center for
Intelligent Biosensing Technology and Health; College of Chemistry, Central China Normal University, Wuhan
430079, P.R. China
b State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Biology, Graduate School at
Shenzhen, Tsinghua University, Shenzhen, Guangdong 518055, People’s Republic of China
c These authors contributed equally to this work
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry B.This journal is © The Royal Society of Chemistry 2020
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1. TD-DFT calculation
2. Photophysical property
3. Water solubility
4. Cell viability
5. Imaging of Hela cells and zebrafish
6. 1H, 13C NMR and MALDI-MS spectra
Table of Contents
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Table S1 Major electronic excitations for Cy-NH, Cy-NMe, Cy-MP, Cy-NNBD and Cy-MPM
1. TD-DFT calculation
Compound Excited state λ/nm [eV] Osc. Str (f) Major contributions
Cy-NH S0→S1 619.47 [2.0014] 2.4463 HOMO→LUMO (71%)
Cy-NMe S0→S1 619.84 [2.0003] 2.4321 HOMO→LUMO (71%)
Cy-MP S0→S1 617.82 [2.0068] 2.4045 HOMO→LUMO (71%)
Cy-NNBD S0→S1 615.53 [2.0143] 2.3578 HOMO→LUMO (69%)
S0→S4 437.55 [2.8336] 0.3285 HOMO→LUMO (64%)
Cy-MPM S0→S1 561.78 [2.2070] 1.9264 HOMO→LUMO (71%)
S0→S8 326.92 [3.7925] 0.3473 HOMO→LUMO (61%)
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600 700 800 9000
150
300
450
FL
in
ten
sit
y
Wavelength (nm)
Cy-NH
Cy-NMe
Cy-MP
Cy-NNBD
Cy-MPM
750 800 850
20
4
2. Photophysical property
Figure S1. Fluorescence spectra of Cy-NH and its derivatives (10 μM) in PBS buffer (PH=7.4) at the samecondition (λex = 680 nm for for Cy-NH, Cy-NMe, Cy-MP, Cy-MPM, λex = 500 nm for Cy-NNBD, the insertimage was excited at 680 nm of Cy-NNBD).
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Table S2 Optical properties of IR780, Cy-NH, Cy-NMe, Cy-MP, Cy-NNBD and Cy-MPM
2. Photophysical property
IR780 Cy-NH Cy-NMe Cy-MP Cy-NNBD Cy-MPM
λabs (nm) 780 756 764 766 680 683
λem (nm) 798 794 793 791 750 770
Stoke shift (nm) 18 38 29 25 70 83
εmax (cm-1 mol·L-1) 79760 138540 95836 53954 44162 27294
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0 15 30 45 60
0.6
0.9
Rem
ain
ing
Ab
so
ran
ce
Time (min)
Cy-NH
Cy-CH3
Cy-MP
Cy-NNBD
Cy-MPM
IR780
Figure S2. The photo stability of Cy-NH and its derivatives according to the changes of absorption spectra in
PBS buffer (PH = 7.4) upon irradiation with tungsten lamp (7 w) for 1 h.
Photo stability
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0 10 20 300
1
2
3
4
Ab
so
rba
nce
Concentration (μM)500 600 700 800 9000
1
2
3
4
A
bs
orb
an
ce
Wavelength (nm)
0.2 μM
0.4
0.8
1
2
3
4
5
6
8
10
15
20
25
30
3. Water solubilityCy-NH
Figure S3. (A) Absorbance spectra and (B) plot of absorbance against the concentration of the dye for Cy-NH in
H2O.
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0 15 30 45
0
1
2
3
Ab
so
rba
nc
e
Concentration (μM)500 600 700 800 9000
1
2
3
4 8
10
15
20
25
30
40
50
Ab
so
rba
nc
e
Wavelength (nm)
0.2 μM
0.4
0.8
1
2
3
4
5
6
Water solubilityCy-NMe
Figure S4. (A) Absorbance spectra and (B) plot of absorbance against the concentration of the dye for Cy-NMe
in H2O.
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0 10 20 30
0
1
2
3
Ab
so
rba
nc
e
Concentration (μM)500 600 700 800 9000
1
2
3
4
8
10
15
20
25
30
0.2 μM
0.4
0.8
1
2
3
4
5
6
Wavelength (nm)
Ab
so
rba
nc
e
Water solubilityCy-MP
Figure S5. (A) Absorbance spectra and (B) plot of absorbance against the concentration of the dye for Cy-MP in
H2O.
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0 15 30 45
0.0
0.5
1.0
1.5
2.0
Ab
so
rba
nc
e
Concentration (μM)500 600 700 800 900 1000
0
1
2
8
10
15
20
25
30
40
50
0.2 μM
0.4
0.8
1
2
3
4
5
6
Wavelength (nm)
Ab
so
rba
nc
e
Water solubilityCy-NNBD
Figure S6. (A) Absorbance spectra and (B) plot of absorbance against the concentration of the dye for Cy-
NNBD in H2O.
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0 10 20 30
0.0
0.4
0.8
1.2
Ab
so
rba
nc
e
Concentration (μM)450 600 750 900
0.0
0.4
0.8
1.2
Ab
so
rba
nc
e
Wavelength (nm)
0.2 μM
0.4
0.8
1
2
3
5
6
8
10
15
20
25
30
Water solubilityCy-MPM
Figure S7. (A) Absorbance spectra and (B) plot of absorbance against the concentration of the dye for Cy-MPM
in H2O.
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4. Cell viability Cy-NH
Figure S8. Viability of HeLa cells in the presence of Cy-NH as measured by using CCK-8 kit. The cells were
incubated with Cy-NH for 24 h.
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4. Cell viability Cy-NMe
Figure S9. Viability of HeLa cells in the presence of Cy-NMe as measured by using CCK-8 kit. The cells were
incubated with Cy-NMe for 24 h.
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4. Cell viability Cy-MP
Figure S10. Viability of HeLa cells in the presence of Cy-MP as measured by using CCK-8 kit. The cells were
incubated with Cy-MP for 2 h.
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4. Cell viability Cy-NNBD
Figure S11. Viability of HeLa cells in the presence of Cy-NNBD as measured by using CCK-8 kit. The cells were
incubated with Cy-NNBD for 24 h.
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4. Cell viability Cy-MPM
Figure S12. Viability of HeLa cells in the presence of Cy-MPM as measured by using CCK-8 kit. The cells were
incubated with Cy-MPM for 24 h.
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Figure S13. Confocal fluorescence image (A) of Hela cells with probe Cy-MPM (10 μM) in brightfiled, red
channel and merged after incubation for 1h. (red channel: λex = 647 nm, λem = 700-800 nm, scale bar: 20 μm);
zebrafish fluorescence imaging (B) with probe Cy-MPM (10 μM) in brightfield and red channel.
5. Imaging of Hela cells and zebrafishCy-MPM
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Figure S14. Confocal fluorescence image of Hela cells with probe Cy-NNBD (10 μM). (A) in brightfield; (B) in
green channel (λex = 488 nm, λem = 500-600 nm); (C) in red channel λex = 647 nm, λem = 700-800 nm); (D) merged
image in brightfiled, green channel and red channel; (E) merged image in brightfield and green field; (F)
merged image in brightfield and red image. (incubation time: 1 h; scale bar: 20 μm).
5. Imaging of Hela cellsCy-NNBD
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Figure S15. Zebrafish fluorescence imaging of Cy-NNBD (10 μM) in brightfield and green chanel and red
channel.
5. Imaging of zebrafishCy-NNBD
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1H NMR spectra of Cy-NH in CDCl3 (600 M)
6. 1H, 13C NMR and MALDI-MS spectra
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13C NMR spectra of Cy-NH in DMSO-d6 (600 M)
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MALDI-MS spectra of Cy-NH
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1H NMR spectra of Cy-NMe in CDCl3 (600 M)
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13C NMR spectra of Cy-NMe in DMSO-d6 (600 M)
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MALDI-MS spectra of Cy-NMe
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1H NMR spectra of Cy-MP in CDCl3 (400 M)
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13C NMR spectra of Cy-MP in DMSO-d6 (600 M)
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MALDI-MS spectra of Cy-MP
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1H NMR spectra of Cy-NNBD in CDCl3 (400 M)
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13C NMR spectra of Cy-NNBD in CDCl3 (400 M)
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MALDI-MS spectra of Cy-NNBD
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1H NMR spectra of Cy-MPM in CDCl3 (600 M)
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13C NMR spectra of Cy-MPM in CDCl3 (600 M)
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MALDI-MS spectra of Cy-MPM