Innovatival Functionalized Nanomaterials for Biomedicalm Sensing and Composites Applications
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Transcript of Innovatival Functionalized Nanomaterials for Biomedicalm Sensing and Composites Applications
9/16/15 1
Electrochemical
pH
Ionic Strength
Biological
Mechanical Electrical
Magnetic
Light
Temperature
What is “SMART”?
External S+muli
Internal S+muli
9/16/15 2
Increase stability and promote an ordered
architecture
Decrease extensive surface functionalization
for eventual degradation
Hard
Soft
Inorganic
Organic
Hybrid Materials
Hybrid Materials
Yang, X.; Moosa, B.; Deng, L.; Zhoa, L; Khashab, N. M. * “Polymer Chemistry 2011, 2, 2543–2547.
Biomedical: pH-Triggered Micellar Membrane for Controlled Release Microchips
!
0 5 10 15 200
10
20
30
40
50b
time (h)
DO
X re
leas
e (w
t %)
pH=4.0 pH=5.0 pH=6.0 pH=7.0 pH=8.0 pH=9.0
!
General Scheme
Assembly and Application
Deng, Lin; Wang, Guangchao; Ren, Jian; Zhang, Bei; Yan, Jingjing; Li, Wengang; Khashab, N. M. * RSC adv. 2012, 2, 12909–12914
Biomedical: Enzymatically Triggered System Based on Hyaluronic Acid Micelles
General Scheme
Deng, Lin; Wang, Guangchao; Ren, Jian; Zhang, Bei; Yan, Jingjing; Li, Wengang; Khashab, N. M. * RSC adv. 2012, 2, 12909–12914.
Biomedical: Enzymatically Triggered System Based on Hyaluronic Acid Micelles
Biomedical: Magnetically Triggered Theranostic Platform for Remote Cancer Cells Therapy and Imaging
!
General Scheme
Zhang, W.; Deng, L.; Wang, G.; Guo, X.; Li, Q.; Zhang, J.; Khashab, N. M. * Part. Pat. Syst. Charact. 2014, 31, 985–993.
Biomedical: Magnetically Triggered Theranostic Platform for Remote Cancer Cells Therapy and Imaging
!
Zhang, W.; Deng, L.; Wang, G.; Guo, X.; Li, Q.; Zhang, J.; Khashab, N. M. * Part. Pat. Syst. Charact. 2014, 31, 985–993.
Biomedical: Photo-Triggered Membrane Based on Inter-particle Crosslinking for Decreasing Diffusion Rates
PHCA microspheres
EC membrane
IrradiationDrug Reservoir Drug Reservoir
Lower Efflux
Crosslinking
(A)Membrane
PMMA device
Reservoir for drug loading
(B)
(C1) (C3)(C2)
bc
a
d
(A)
(B)
Song, L., Moosa, M., Li, W.; Khashab, N. M.* J. Mater. Chem. B 2015, 3, 1208–1216.
Deng, L.; Li, Q.; Yang, Y.;Omar, H; Tang, N.; Zhang,J.; Nie, Z.; Khashab, N. M.* Chem. Eur. J. 2015, accepted (chem.201502522) .
Biomedical: Graphene Oxide-Wrapped Gold Nanorods
General Scheme
!
“Two-Step” Raman Imaging-Guided Chemo-Photothermal Cancer Therapy
Deng, L.; Li, Q.; Yang, Y.;Omar, H; Tang, N.; Zhang,J.; Nie, Z.; Khashab, N. M.* Chem. Eur. J. 2015, accepted (chem.201502522) .
Biomedical: Graphene Oxide-Wrapped Gold Nanorods
!
Deng, L.; Li, Q.; Yang, Y.;Omar, H; Tang, N.; Zhang,J.; Nie, Z.; Khashab, N. M.* Chem. Eur. J. 2015, accepted (chem.201502522) .
Biomedical: Graphene Oxide-Wrapped Gold Nanorods
SERS mapping of Doxorubicin (a) and Graphene oxide (b) on AuNRs, ratio of Doxorubicin to graphene oxide (c), and overlap image (d) in Hela cell
Deng, L.; Li, Q.; Yang, Y.;Omar, H; Tang, N.; Zhang,J.; Nie, Z.; Khashab, N. M.* Chem. Eur. J. 2015, accepted (chem.201502522) .
Biomedical: Graphene Oxide-Wrapped Gold Nanorods
Biomedical: Photoresponsive Bridged Silsesquioxane Nanoparticles with Tunable Morphology
1hν laser H
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Fatieiev, Y.; Croissant, J.; Julfakyan, K.; Deng, L.; Anjum, D.H.; Gurinov, A.; Khashab, N.M. Nanoscale 2015, DOI: 10.1039/C5NR03065J
BS NPs
Hollow BS NPs
200 nm
100 nm
H +
+
+
+
+ +
+
+
+ +
+
H +
+
+
+
+ +
+
+
+ +
+
H2O
H2O
EtOH
Origin
Irradiated
Origin Irradiated
e
Origin
Irradiated
Origin Irradiated
e
4.05 ppm
Origin
Irradiated
Origin Irradiated
e
4.00 3.75
Origin
Irradiated
Origin Irradiated
e
4.00 3.75
O + − + O −
+
1hν laser
1hν laser
Positive Zeta potential Negative Zeta potential
Fatieiev, Y.; Croissant, J.; Julfakyan, K.; Deng, L.; Anjum, D.H.; Gurinov, A.; Khashab, N.M. Nanoscale 2015, DOI: 10.1039/C5NR03065J
Hollow BS NPs
DNA
1hν laser
Zeta Potential (mV)
Cha
rge
Dis
t. (a
.u.)
-100 -50 0 50 100
-39 mV +46 mV
1hν
H +
+
+
+
+ +
+
+
+ +
+
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H +
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Fatieiev, Y.; Croissant, J.; Julfakyan, K.; Deng, L.; Anjum, D.H.; Gurinov, A.; Khashab, N.M. Nanoscale 2015, DOI: 10.1039/C5NR03065J
Angew. Chem. Int. Ed. 2015, accepted DOI: 10.1002/anie.201501615R1 and 10.1002/ange.201501615R1 (Cover image, Highlighted by Nature Middle East)
Biomedical: Light Triggered Colloidosomes
-+-+
-+-+-+
-+
-+-+
- +- + - +
-+
--
--
------
--
----
- -- - - -
--
hv
Stable colloidosome
Unstable colloidosomeDissociation of colloidosome
NBSN-2
NBSN-1
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+
- -+-+
+
-+ -
-+
+-
+
Oil phase Water
phase
Emulsion with two types of NPs
A
---
-
---
-
-
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--
-- -
--
-
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--
--
C
B
-100-80-60-40-20020406080100
Before Irradiation After Irradiation
SN(control)
Zeta Poten
tial (mV)
NBSN-1 NBSN-2 SN-NH2(control)
hν Positive
Neutral
- -
+
NP- NP+ NB+
SURFACE CHARGE OF NP- & NP+ NANOBUILDING BLOCKS COMPATIBLE WITH THE COLLOIDOSOME ASSEMBLY/DISASSEMBLY
28
Biomedical: Light Triggered Colloidosomes
3 µm 500 nm
500 nm 200 nm 29
hν
500 nm
ELECTROSTATIC DISASSEMBLY OF COLLOISOMES UPON LASER IRRADIATION
30
0
20
40
60
80
100
0 5 10 15 20
Release (%
)
Time (min)
Cargo loaded
Colloidosomes
OFF ON OFF ON
hν hν
- + - +
- + -
+ - +
- +
- + - +
- + - + - +
- +
- -
- - - -
- -
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-
-
hν - -
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31 Angew. Chem. Int. Ed. 2015, accepted DOI: 10.1002/anie.201501615R1 and 10.1002/ange.201501615R1 (Cover image, Highlighted by Nature Middle East)
Biomedical: AuNC@BSA Gated MSNs
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+
+
+
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+
FluorescentAuNC@BSAn-
Cargo3loadedMSN3NH3
+
+-
+
+
+
+
+
+
+--
+
+
++
+
+
+
++
+
H+
pH 7.4
pH 5.0
Release9(%
)
pH 5.0
pH 7.4
b
Time9(h)
a
!
a b
3 µm
c d
50 nm 50 nm
100 nm
!
Size%Distrib
ution%(%
)
Diameter%(nm)
2.5%nm
!
Biomedical: AuNC@BSA Gated MSNs
Cell Viab
ility (%
)
NPs Concentration (µg.mL-‐1)
100
80
60
40
20
00 10 20 30 50 100 150
Cell$Viab
ility$(%
)
MSN$NH2+DOXMSN$AuNC@BSA+DOX
DOX$Concentration$(µg.mL91) !
Biomedical: AuNC@BSA Gated MSNs
!
Absorption
Wavelength1(nm)
Emission
645$nm364$nm
496$nm
!
Biomedical: AuNC@BSA Gated MSNs
Red$Channel$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$Blue$Channel$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$Merged
Salin
eCo
ntrol
Hoe4load
ed$
MSN
4AuN
C@BS
A
a
b
!
Biomedical: AuNC@BSA Gated MSNs
S
L
T
K
Lu
Salin
eCo
ntrol
a Merged222222222222222222222222Red2Channel22222222222 Blue2Channel2 Red+Blue2Channel222222222222222
L
T
KLu
b
Hoe9loaded2
MSN
9AuN
C@BSA
!
Submitted
Biomedical: AuNC@BSA Gated MSNs
Sensing: Protein-Directed Synthesis of Highly Fluorescent Gold Nanoclusters
Xie, J.; Zheng, Y.; Ying, J. Y. J. Am. Chem. Soc., 2009, 131, 888
Sensing: Protein-Directed Synthesis of Highly Fluorescent Gold Nanoclusters
Hu, L.; Deng, L.; Alsaiari, S.; Zhang, D.; Khashab, N. M. Anal. Chem., 2014, 86, 4989–4994.
Sensitivity
Selectivity
Sensing: Protein-Directed Synthesis of Highly Fluorescent Gold Nanoclusters
Hu, L.; Deng, L.; Alsaiari, S.; Zhang, D.; Khashab, N. M. Anal. Chem., 2014, 86, 4989–4994.
Sensing: Protein-Directed Synthesis of Highly Fluorescent Gold Nanoclusters
Hu, L.; Deng, L.; Alsaiari, S.; Zhang, D.; Khashab, N. M. Anal. Chem., 2014, 86, 4989–4994.
Sensing: Protein-Directed Synthesis of Highly Fluorescent Gold Nanoclusters
Hu, L.; Deng, L.; Alsaiari, S.; Zhang, D.; Khashab, N. M. Anal. Chem., 2014, 86, 4989–4994.
Sensing: Protein-Directed Synthesis of Highly Fluorescent Gold Nanoclusters
Hu, L.; Deng, L.; Alsaiari, S.; Zhang, D.; Khashab, N. M. Anal. Chem., 2014, 86, 4989–4994.
Sensing: Protein-Directed Synthesis of Highly Fluorescent Gold Nanoclusters
Hu, L.; Deng, L.; Alsaiari, S.; Zhang, D.; Khashab, N. M. Anal. Chem., 2014, 86, 4989–4994.
Biomedical: Zippered Release from Polymer Gated Carbon Nanotubes
!
Mashat, A.; Deng, L; Altawashi, A.; Sougrat, R.; Wang, G.; Khashab, N. M. * “Zippered Release from Polymer Gated Carbon Nanotubes” J. Mater. Chem. 2012, 22, 11503–11508.
General Scheme
Biomedical: Zippered Release from Polymer Gated Carbon Nanotubes
Mashat, A.; Deng, L; Altawashi, A.; Sougrat, R.; Wang, G.; Khashab, N. M. * “Zippered Release from Polymer Gated Carbon Nanotubes” J. Mater. Chem. 2012, 22, 11503–11508.
! !
Chen, Ye; Tao, Jing; Deng, Lin; Li, Liang; Li, Jun; Yang, Yang; Khashab, N. M.* ACS App. Mater. Inter. 2013, 5, 7478–7484. .
Composites: PEI/Bucky Gels Nanocomposites with Superior Conductivity and Thermal Stability
!
General Scheme
Chen, Ye; Tao, Jing; Deng, Lin; Li, Liang; Li, Jun; Yang, Yang; Khashab, N. M.* ACS App. Mater. Inter. 2013, 5, 7478–7484.
Composites: PEI/Bucky Gels Nanocomposites with Superior Conductivity and Thermal Stability
!
Chen, Ye; Tao, Jing; Song, Li; Khashab, N. M. * ACS App. Mater. Inter. 2014, 6, 9013–9022.
Composites: Polyfluorene Wrapped Carbon nanotubes for Enhanced Interfacial Interactions
General Scheme
Chen, Ye; Tao, Jing; Song, Li; Khashab, N. M. * ACS App. Mater. Inter. 2014, 6, 9013–9022.
Composites: Polyfluorene Wrapped Carbon nanotubes for Enhanced Interfacial Interactions
Composites: Surface Modification of Multiwall Carbon Nanotubes with Cationic Conjugated Polyelectrolytes
General Scheme
Ezzeddine, A.; Chen, Z.; Schanze, K. S.; Khashab, N. M. ACS Appl. Mater. Interfaces, 2015, 7 , 12903–12913.
Composites: Surface Modification of Multiwall Carbon Nanotubes with Cationic Conjugated Polyelectrolytes
Ezzeddine, A.; Chen, Z.; Schanze, K. S.; Khashab, N. M. ACS Appl. Mater. Interfaces, 2015, 7 , 12903–12913.
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