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Polyaniline/Gold Nanoparticle Multilayer Films: Assembly, Properties, and Biological Applications
Abstract
Polyaniline (PANI) and mercaptosuccinic-acid-capped gold nanoparticles (MSAG NP ) can form stable multilayer films prepared by the layer-by-layer method. The MSAG NP inside the multilayer films can effectively dope PANI and shift its electroactivity to neutral pH, which makes it feasible to use these layers in bioassays. The films can electrocatalyze the oxidation of NADH and can be utilized to detect DNA hybridization either by an electrochemical method or by surface plasmon enhanced fluorescence spectroscopy (SPFS). Both methods can effectively discriminate complementary from noncomplementary DNA, even at the single-base mismatch level.
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Cites
Chen, S., & Kimura, K. (1999) · Langmuir · doi:10.1021/la9812828 · Cited by 362
Cited by
Ariga, K., Hill, J. P., & Ji, Q. (2007) · Physical Chemistry Chemical Physics · doi:10.1039/b700410a · Cited by 1,256
Charge Transport in Nanoparticle Assemblies
Zabet-Khosousi, A., & Dhirani, A.-A. (2008) · Chemical Reviews · doi:10.1021/cr0680134 · Cited by 503
Feng, X., Mao, C., Yang, G., Hou, W., & Zhu, J.-J. (2006) · Langmuir · doi:10.1021/la053403r · Cited by 351
Arya, S. K., Dey, A., & Bhansali, S. (2011) · Biosensors and Bioelectronics · doi:10.1016/j.bios.2011.07.015 · Cited by 118
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
- Tian, S., Liu, J., Zhu, T., & Knoll, W.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-09-22
- Volume
- 16
- Issue
- 21
- Pages
- 4103-4108
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W1991126622
- Cited by
- 213
- References
- 1
- FWCI
- 14.05
- Type
- journal article
- Language
- en
- Open access
- closed
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