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Composite of Au Nanoparticles and Molecularly Imprinted Polymer as a Sensing Material
Abstract
A molecularly imprinted polymer with immobilized Au nanoparticles (Au-MIP) is reported as a novel type of sensing material. The sensing mechanism is based upon the variable proximity of the Au nanoparticles immobilized in the imprinted polymer, which exhibits selective binding of a given analyte accompanied by swelling that causes a blue-shift in the plasmon absorption band of the immobilized Au nanoparticles. Using adrenaline as the model analyte, it was shown that molecular imprinting effectively enhanced the sensitivity and selectivity, and accordingly, Au-MIP selectively detects the analyte at 5 microM. The combination of molecular imprinting and the Au nanoparticle-based sensing system was shown to be a general strategy for constructing sensing materials in a tailor-made fashion due to wide applicability of the imprinting technique and the independence of the sensing mechanism from the analyte recognition system.
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Cites
Perspectives on the Physical Chemistry of Semiconductor Nanocrystals
Alivisatos, A. P. (1996) · The Journal of Physical Chemistry · doi:10.1021/jp9535506 · Cited by 3,595
Cited by
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Saha, K., Agasti, S. S., Kim, C., Li, X., & Rotello, V. M. (2012) · Chemical Reviews · doi:10.1021/cr2001178 · Cited by 4,620
Exploitation of Localized Surface Plasmon Resonance
Hutter, E., & Fendler, J. H. (2004) · Advanced Materials · doi:10.1002/adma.200400271 · Cited by 2,726
Nanoparticles for detection and diagnosis
Agasti, S. S., Rana, S., Park, M.-H., Kim, C. K., You, C.-C., & Rotello, V. M. (2010) · Advanced Drug Delivery Reviews · doi:10.1016/j.addr.2009.11.004 · Cited by 313
Riskin, M., Tel-Vered, R., Bourenko, T., Granot, E., & Willner, I. (2008) · Journal of the American Chemical Society · doi:10.1021/ja711278c · Cited by 295
Gopalan, A. I., Lee, K.-P., Manesh, K. M., Santhosh, P., & Kim, J. H. (2006) · Journal of Molecular Catalysis A: Chemical · doi:10.1016/j.molcata.2006.05.027 · Cited by 57
Metadata
- Authors
- Matsui, J., Akamatsu, K., Nishiguchi, S., Miyoshi, D., Nawafune, H., Tamaki, K., & Sugimoto, N.
- Venue
- Analytical Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-01-24
- Volume
- 76
- Issue
- 5
- Pages
- 1310-1315
- ISSN
- 0003-2700 (ISSN-L)
- 1520-6882
- OpenAlex
- W2009539482
- Cited by
- 186
- References
- 1
- FWCI
- 13.39
- Type
- journal article
- Language
- en
- Open access
- closed
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