Immobilization of Quantum Dots in the Photo-Cross-Linked Poly(ethylene glycol)-Based Hydrogel

Kerim M. Gattás-Asfura; Yujun Zheng; Miodrag Micic; Michael J. Snedaker; Xiaojun Ji; Guodong Sui; Jhony Orbulescu; Fotios M. Andreopoulos; Si M. Pham; Chongmin Wang; Roger M. Leblanc

Immobilization of Quantum Dots in the Photo-Cross-Linked Poly(ethylene glycol)-Based Hydrogel

Kerim M. Gattás-Asfura, Yujun Zheng, Miodrag Micic, Michael J. Snedaker, Xiaojun Ji, Guodong Sui, Jhony Orbulescu, Fotios M. Andreopoulos, Si M. Pham, Chongmin Wang, Roger M. Leblanc

Research output: Contribution to journal › Article

41 Scopus citations

Abstract

An inorganic/organic composite hybrid nano-system has been successfully synthesized in which nanocrystalline quantum dots (QDs) were effectively immobilized within a photo-cross-linked polyethylene glycol) (PEG) hydrogel. The immobilization of 3.5-6.0 nm CdTe and 2.0-3.5 nm CdSe QDs within the PEG hydrogel network has been shown to be effective through utilization of physical trapping. These QD-immobilized gel systems demonstrated luminescence characteristics unique to semiconductor QD nanocrystals. Controlled particle extraction from the PEG hydrogel matrix may be possible via a photocleavage process. The solubility property of QDs was controlled through surface functionalization. It is envisioned that the unique photophysical properties of this new material can be utilized as a convenient signal transducer for chemo-/bio-sensing. A promising application of the described QD/PEG-NC hybrid system may be in the fields of fluoroimmunoassay and as a monitoring system for drug delivery and wound healing.

Original language	English (US)
Pages (from-to)	10464-10469
Number of pages	6
Journal	Journal of Physical Chemistry B
Volume	107
Issue number	38
State	Published - Sep 25 2003

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

Access to Document

Fingerprint Dive into the research topics of 'Immobilization of Quantum Dots in the Photo-Cross-Linked Poly(ethylene glycol)-Based Hydrogel'. Together they form a unique fingerprint.

Cite this

Gattás-Asfura, K. M., Zheng, Y., Micic, M., Snedaker, M. J., Ji, X., Sui, G., Orbulescu, J., Andreopoulos, F. M., Pham, S. M., Wang, C., & Leblanc, R. M. (2003). Immobilization of Quantum Dots in the Photo-Cross-Linked Poly(ethylene glycol)-Based Hydrogel. Journal of Physical Chemistry B, 107(38), 10464-10469.

Immobilization of Quantum Dots in the Photo-Cross-Linked Poly(ethylene glycol)-Based Hydrogel. / Gattás-Asfura, Kerim M.; Zheng, Yujun; Micic, Miodrag; Snedaker, Michael J.; Ji, Xiaojun; Sui, Guodong; Orbulescu, Jhony; Andreopoulos, Fotios M.; Pham, Si M.; Wang, Chongmin; Leblanc, Roger M.

In: Journal of Physical Chemistry B, Vol. 107, No. 38, 25.09.2003, p. 10464-10469.

Research output: Contribution to journal › Article

Gattás-Asfura, Kerim M. ; Zheng, Yujun ; Micic, Miodrag ; Snedaker, Michael J. ; Ji, Xiaojun ; Sui, Guodong ; Orbulescu, Jhony ; Andreopoulos, Fotios M. ; Pham, Si M. ; Wang, Chongmin ; Leblanc, Roger M. / Immobilization of Quantum Dots in the Photo-Cross-Linked Poly(ethylene glycol)-Based Hydrogel. In: Journal of Physical Chemistry B. 2003 ; Vol. 107, No. 38. pp. 10464-10469.

@article{14dbdc904c8244198a7ce855cdd60385,

title = "Immobilization of Quantum Dots in the Photo-Cross-Linked Poly(ethylene glycol)-Based Hydrogel",

abstract = "An inorganic/organic composite hybrid nano-system has been successfully synthesized in which nanocrystalline quantum dots (QDs) were effectively immobilized within a photo-cross-linked polyethylene glycol) (PEG) hydrogel. The immobilization of 3.5-6.0 nm CdTe and 2.0-3.5 nm CdSe QDs within the PEG hydrogel network has been shown to be effective through utilization of physical trapping. These QD-immobilized gel systems demonstrated luminescence characteristics unique to semiconductor QD nanocrystals. Controlled particle extraction from the PEG hydrogel matrix may be possible via a photocleavage process. The solubility property of QDs was controlled through surface functionalization. It is envisioned that the unique photophysical properties of this new material can be utilized as a convenient signal transducer for chemo-/bio-sensing. A promising application of the described QD/PEG-NC hybrid system may be in the fields of fluoroimmunoassay and as a monitoring system for drug delivery and wound healing.",

author = "Gatt{\'a}s-Asfura, {Kerim M.} and Yujun Zheng and Miodrag Micic and Snedaker, {Michael J.} and Xiaojun Ji and Guodong Sui and Jhony Orbulescu and Andreopoulos, {Fotios M.} and Pham, {Si M.} and Chongmin Wang and Leblanc, {Roger M.}",

year = "2003",

month = sep,

day = "25",

language = "English (US)",

volume = "107",

pages = "10464--10469",

journal = "Journal of Physical Chemistry B",

issn = "1520-6106",

number = "38",

}

TY - JOUR

T1 - Immobilization of Quantum Dots in the Photo-Cross-Linked Poly(ethylene glycol)-Based Hydrogel

AU - Gattás-Asfura, Kerim M.

AU - Zheng, Yujun

AU - Micic, Miodrag

AU - Snedaker, Michael J.

AU - Ji, Xiaojun

AU - Sui, Guodong

AU - Orbulescu, Jhony

AU - Andreopoulos, Fotios M.

AU - Pham, Si M.

AU - Wang, Chongmin

AU - Leblanc, Roger M.

PY - 2003/9/25

Y1 - 2003/9/25

N2 - An inorganic/organic composite hybrid nano-system has been successfully synthesized in which nanocrystalline quantum dots (QDs) were effectively immobilized within a photo-cross-linked polyethylene glycol) (PEG) hydrogel. The immobilization of 3.5-6.0 nm CdTe and 2.0-3.5 nm CdSe QDs within the PEG hydrogel network has been shown to be effective through utilization of physical trapping. These QD-immobilized gel systems demonstrated luminescence characteristics unique to semiconductor QD nanocrystals. Controlled particle extraction from the PEG hydrogel matrix may be possible via a photocleavage process. The solubility property of QDs was controlled through surface functionalization. It is envisioned that the unique photophysical properties of this new material can be utilized as a convenient signal transducer for chemo-/bio-sensing. A promising application of the described QD/PEG-NC hybrid system may be in the fields of fluoroimmunoassay and as a monitoring system for drug delivery and wound healing.

AB - An inorganic/organic composite hybrid nano-system has been successfully synthesized in which nanocrystalline quantum dots (QDs) were effectively immobilized within a photo-cross-linked polyethylene glycol) (PEG) hydrogel. The immobilization of 3.5-6.0 nm CdTe and 2.0-3.5 nm CdSe QDs within the PEG hydrogel network has been shown to be effective through utilization of physical trapping. These QD-immobilized gel systems demonstrated luminescence characteristics unique to semiconductor QD nanocrystals. Controlled particle extraction from the PEG hydrogel matrix may be possible via a photocleavage process. The solubility property of QDs was controlled through surface functionalization. It is envisioned that the unique photophysical properties of this new material can be utilized as a convenient signal transducer for chemo-/bio-sensing. A promising application of the described QD/PEG-NC hybrid system may be in the fields of fluoroimmunoassay and as a monitoring system for drug delivery and wound healing.

UR - http://www.scopus.com/inward/record.url?scp=0141890845&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0141890845&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:0141890845

VL - 107

SP - 10464

EP - 10469

JO - Journal of Physical Chemistry B

JF - Journal of Physical Chemistry B

SN - 1520-6106

IS - 38

ER -