The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Enzyme‐Free Amperometric Sensing of Glucose by Using Gold Nanoparticles
Abstract
A nonenzymatic electrochemical method is described for the detection of glucose by using gold (Au) nanoparticles self‐assembled on a three‐dimensional (3D) silicate network obtained by using sol–gel processes. The nanosized Au particles have been self‐assembled on the thiol tail groups of the silicate network and enlarged by hydroxylamine. The Au nanoparticles efficiently catalyze the oxidation of glucose at less‐positive potential (0.16 V) in phosphate buffer solution (pH 9.2) in the absence of any enzymes or redox mediators. The Au nanoparticle‐modified transducer (MPTS‐nAuE) was successfully used for the amperometric sensing of glucose and it showed excellent sensitivity with a detection limit of 50 n M. The common interfering agent ascorbate (AA) does not interfere with the detection of glucose. The MPTS‐nAuE transducer showed individual voltammetric responses for glucose and AA. This transducer responded linearly to glucose in the range of 0–8 m M and the sensitivity of the transducer was found to be 0.179 nA cm−2 n M−1. Excellent reproducibility, and long‐term storage and operational stability was observed for this transducer.
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Citations
Cites
Fluorescence-based glucose sensors
Pickup, J. C., Hussain, F., Evans, N. D., Rolinski, O. J., & Birch, D. J. S. (2005) · Biosensors and Bioelectronics · doi:10.1016/j.bios.2004.10.002 · Cited by 616
Enzyme-Based Biosensors for in Vivo Measurements
Wilson, G. S., & Hu, Y. (2000) · Chemical Reviews · doi:10.1021/cr990003y · Cited by 434
Cited by
Gold Nanoparticles in Chemical and Biological Sensing
Saha, K., Agasti, S. S., Kim, C., Li, X., & Rotello, V. M. (2012) · Chemical Reviews · doi:10.1021/cr2001178 · Cited by 4,620
Jiang, L.-C., & Zhang, W.-D. (2010) · Biosensors and Bioelectronics · doi:10.1016/j.bios.2009.10.038 · Cited by 667
An improved sensitivity non-enzymatic glucose sensor based on a CuO nanowire modified Cu electrode
Zhuang, Z., Su, X., Yuan, H., Sun, Q., Xiao, D., & Choi, M. M. F. (2008) · The Analyst · doi:10.1039/b712970j · Cited by 481
Electrochemical Sensors for Clinic Analysis
Wang, Y., Xu, H., Zhang, J., & Li, G. (2008) · Sensors · doi:10.3390/s8042043 · Cited by 398
Advances in enzyme-free electrochemical sensors for hydrogen peroxide, glucose, and uric acid
Chen, X., Wu, G., Cai, Z., Oyama, M., & Chen, X. (2014) · Microchimica Acta · doi:10.1007/s00604-013-1098-0 · Cited by 366
Metadata
- Authors
- Jena, B. K., & Raj, C. R.
- Venue
- Chemistry – A European Journal
- Publisher
- Wiley
- Published
- 2006-03-10
- Volume
- 12
- Issue
- 10
- Pages
- 2702-2708
- ISSN
- 0947-6539 (ISSN-L)
- 1521-3765
- OpenAlex
- W2150827236
- Cited by
- 259
- References
- 2
- FWCI
- 15.86
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jena, B. K., & Raj, C. R. (2006). Enzyme‐Free Amperometric Sensing of Glucose by Using Gold Nanoparticles. Chemistry – A European Journal. https://doi.org/10.1002/chem.200501051
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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