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Journal of Nanotechnology
Volume 2014 (2014), Article ID 304526, 7 pages
http://dx.doi.org/10.1155/2014/304526
Research Article

Graphene/Gold Nanocomposites-Based Thin Films as an Enhanced Sensing Platform for Voltammetric Detection of Cr(VI) Ions

Centre for Nanotechnology Research, VIT University, Vellore 632 014, India

Received 31 July 2013; Revised 15 November 2013; Accepted 23 December 2013; Published 5 February 2014

Academic Editor: Carlos R. Cabrera

Copyright © 2014 Chella Santhosh et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. J. Johnson, “Mercury summit planned,” Chemical & Engineering News, vol. 76, no. 19, pp. 22–23, 1998.
  2. H. M. Carapuça, S. C. C. Monterroso, L. S. Rocha, and A. C. Duarte, “Simultaneous determination of copper and lead in seawater using optimised thin-mercury film electrodes in situ plated in thiocyanate media,” Talanta, vol. 64, no. 2, pp. 566–569, 2004. View at Publisher · View at Google Scholar · View at Scopus
  3. K. Honda, M. Sahrul, H. Hidaka, and R. Tatsukawa, “Organ and tissue distribution of heavy metals, and their growth-related changes in antarctic fish, Pagothenia borchgrevinki,” Agricultural and Biological Chemistry, vol. 47, no. 11, pp. 2521–2532, 1983. View at Scopus
  4. V. Volkovic, Trace Elements Analysis, Taylor and Francis, London, UK, 1975.
  5. B. Liu, L. Lu, M. Wang, and Y. Zi, “A study of nanostructured gold modified glassy carbon electrode for the determination of trace Cr(VI),” Journal of Chemical Sciences, vol. 120, no. 5, pp. 493–498, 2008. View at Publisher · View at Google Scholar · View at Scopus
  6. WHO, Guidance for Drinking Water Quality: Recommendations, vol. 1, World Health Organization, Geneva, Switzerland, 3rd edition, 2008.
  7. D. Golub and Y. Oren, “Removal of chromium from aqueous solutions by treatment with porous carbon electrodes: electrochemical principles,” Journal of Applied Electrochemistry, vol. 19, no. 3, pp. 311–316, 1989. View at Scopus
  8. R. J. Kieber, J. D. Willey, and S. D. Zvalaren, “Chromium speciation in rainwater: temporal variability and atmospheric deposition,” Environmental Science and Technology, vol. 36, no. 24, pp. 5321–5327, 2002. View at Publisher · View at Google Scholar · View at Scopus
  9. B. L. Batista, D. Grotto, J. L. Rodrigues, V. C. de Oliveira Souza, and F. Barbosa Jr., “Determination of trace elements in biological samples by inductively coupled plasma mass spectrometry with tetramethylammonium hydroxide solubilization at room temperature,” Analytica Chimica Acta, vol. 646, no. 1-2, pp. 23–29, 2009. View at Publisher · View at Google Scholar · View at Scopus
  10. G. Z. Tsogas, D. L. Giokas, A. G. Vlessidis, and N. P. Evmiridis, “A single-reagent method for the speciation of chromium in natural waters by flame atomic absorption spectrometry based on vesicular liquid coacervate extraction,” Spectrochimica Acta B, vol. 59, no. 7, pp. 957–965, 2004. View at Publisher · View at Google Scholar · View at Scopus
  11. H. Hotta, K. Yata, K. F. B. Kamarudin et al., “Determination of chromium(III), chromium(VI) and total chromium in chromate and trivalent chromium conversion coatings by electrospray ionization mass spectrometry,” Talanta, vol. 88, pp. 533–536, 2012. View at Publisher · View at Google Scholar · View at Scopus
  12. N. N. Meeravali and S.-J. Jiang, “A novel cloud point extraction approach using cationic surfactant for the separation and pre-concentration of chromium species in natural water prior to ICP-DRC-MS determination,” Talanta, vol. 80, no. 1, pp. 173–178, 2009. View at Publisher · View at Google Scholar · View at Scopus
  13. M. L. Kim, J. D. Stripeikis, and M. B. Tudino, “Hybrid mesoporous materials for on-line preconcentration of Cr(VI) followed by one-step scheme for elution and colorimetric determination at ultratrace levels,” Talanta, vol. 77, no. 3, pp. 1068–1074, 2009. View at Publisher · View at Google Scholar · View at Scopus
  14. G. Hanrahan, D. G. Patil, and J. Wang, “Electrochemical sensors for environmental monitoring: design, development and applications,” Journal of Environmental Monitoring, vol. 6, no. 8, pp. 657–664, 2004. View at Publisher · View at Google Scholar · View at Scopus
  15. E. O. Jorge, M. M. Rocha, I. T. E. Fonseca, and M. M. M. Neto, “Studies on the stripping voltammetric determination and speciation of chromium at a rotating-disc bismuth film electrode,” Talanta, vol. 81, no. 1-2, pp. 556–564, 2010. View at Publisher · View at Google Scholar · View at Scopus
  16. O. Domínguez-Renedo, L. Ruiz-Espelt, N. García-Astorgano, and M. J. Arcos-Martínez, “Electrochemical determination of chromium(VI) using metallic nanoparticle-modified carbon screen-printed electrodes,” Talanta, vol. 76, no. 4, pp. 854–858, 2008. View at Publisher · View at Google Scholar · View at Scopus
  17. N. A. Carrington, L. Yong, and Z.-L. Xue, “Electrochemical deposition of sol-gel films for enhanced chromium(VI) determination in aqueous solutions,” Analytica Chimica Acta, vol. 572, no. 1, pp. 17–24, 2006. View at Publisher · View at Google Scholar · View at Scopus
  18. I. Turyan and D. Mandler, “Selective determination of Cr(VI) by a self-assembled monolayer-based electrode,” Analytical Chemistry, vol. 69, no. 5, pp. 894–897, 1997. View at Scopus
  19. B. K. Jena and C. R. Raj, “Highly sensitive and selective electrochemical detection of sub-ppb level chromium(VI) using nano-sized gold particle,” Talanta, vol. 76, no. 1, pp. 161–165, 2008. View at Publisher · View at Google Scholar · View at Scopus
  20. C. M. Welch, O. Nekrassova, and R. G. Compton, “Reduction of hexavalent chromium at solid electrodes in acidic media: reaction mechanism and analytical applications,” Talanta, vol. 65, no. 1, pp. 74–80, 2005. View at Publisher · View at Google Scholar · View at Scopus
  21. M. Zayats, R. Baron, I. Popov, and I. Willner, “Biocatalytic growth of Au nanoparticles: from mechanistic aspects to biosensors design,” Nano Letters, vol. 5, no. 1, pp. 21–25, 2005. View at Publisher · View at Google Scholar · View at Scopus
  22. X. Dai, G. G. Wildgoose, C. Salter, A. Crossley, and R. G. Compton, “Electroanalysis using macro-, micro-, and nanochemical architectures on electrode surfaces. Bulk surface modification of glassy carbon microspheres with gold nanoparticles and their electrical wiring using carbon nanotubes,” Analytical Chemistry, vol. 78, no. 17, pp. 6102–6108, 2006. View at Publisher · View at Google Scholar · View at Scopus
  23. K. S. Novoselov, A. K. Geim, S. V. Morozov et al., “Electric field in atomically thin carbon films,” Science, vol. 306, no. 5696, pp. 666–669, 2004. View at Publisher · View at Google Scholar · View at Scopus
  24. D. Li, M. B. Müller, S. Gilje, R. B. Kaner, and G. G. Wallace, “Processable aqueous dispersions of graphene nanosheets,” Nature Nanotechnology, vol. 3, no. 2, pp. 101–105, 2008. View at Publisher · View at Google Scholar · View at Scopus
  25. W. S. Hummers Jr. and R. E. Offeman, “Preparation of graphitic oxide,” Journal of the American Chemical Society, vol. 80, no. 6, p. 1339, 1958. View at Scopus
  26. T. Liu, Y. Li, Q. Du et al., “Adsorption of methylene blue from aqueous solution by graphene,” Colloids and Surfaces B, vol. 90, no. 1, pp. 197–203, 2012. View at Publisher · View at Google Scholar · View at Scopus