Label-free colorimetric estimation of proteins using nanoparticles of silver
Corresponding Author: Debabrata Dash
Nano-Micro Letters,
Vol. 2 No. 3 (2010), Article Number: 164-168
Abstract
Metallic nanoparticles have received considerable attention in bioassays and diagnostics due to their unique surface plasmon resonance (SPR) properties. Gold nanoparticles have been employed for the development of SPR-based colorimetric bioassays. In the present report we have described a sensitive colorimetric approach for estimation of proteins, within a detection limit of 10∼80 μg/mL, using unmodified silver nanoparticles. Besides the common advantages of colorimetric assay such as simplicity, high sensitivity, and low cost, our method has a label-free design and provides an important and attractive alternative to classical sensing probes and systems. The present work will contribute to the development of nanotechnology-based diagnostic tools.
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- R. Elghanian, J. J. Storhoff, R. C. Mucic, R. L. Letsinger and C. A. Mirkin, Science 277, 1078 (1997). doi:10.1126/science.277.5329.1078
- H. Li and L. Rothberg, Proc. Natl. Acad. Sci. USA 101, 14036 (2004). doi:10.1073/pnas.0406115101
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- M. Mascini, G. G. Guilbaut and S. J. Lebrun, Anal. Lett. 40, 1386 (2007). doi:10.1080/00032710701327062
- C. C. Huang, Y. F. Huang, Z. Cao, W. Tan and H. T. Chang, Anal. Chem. 77, 5735 (2005). doi:10.1021/ac050957q
- J. S. Lee, P. A. Ulmann, M. S. Han and C. A. Mirkin, Nano Lett. 8, 529 (2008). doi:10.1021/nl0727563
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- H. Wei, C. Chen, B. Han and Wang, Anal. Chem. 80, 7051 (2008). doi:10.1021/ac801144t
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- C. L. Schofield, A. H. Haines, R. A. Field and D. A. Russell, Langmuir 22, 6707 (2006). doi:10.1021/la060288r
- P. Pandey, S. P. Singh, S. K. Arya, V. Gupta, M. Datta, S. Singh and B. D. Malhotra, Langmuir 23, 3333 (2007). doi:10.1021/la062901c
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- S. Stamler, D. J. Singel and J. Loscalzo, Science 258, 1898 (1992). doi:10.1126/science.1281928
- J. Wang, L. Wang, X. Liu, Z. Liang, S. Song, W. Li, G. Li and C. Fan, Adv. Mater. 19, 3943 (2007). doi:10.1002/adma.200602256
References
R. Elghanian, J. J. Storhoff, R. C. Mucic, R. L. Letsinger and C. A. Mirkin, Science 277, 1078 (1997). doi:10.1126/science.277.5329.1078
H. Li and L. Rothberg, Proc. Natl. Acad. Sci. USA 101, 14036 (2004). doi:10.1073/pnas.0406115101
H. Li and L. Rothberg, J. Am. Chem. Soc. 126, 10958 (2004). doi:10.1021/ja048749n
M. Mascini, G. G. Guilbaut and S. J. Lebrun, Anal. Lett. 40, 1386 (2007). doi:10.1080/00032710701327062
C. C. Huang, Y. F. Huang, Z. Cao, W. Tan and H. T. Chang, Anal. Chem. 77, 5735 (2005). doi:10.1021/ac050957q
J. S. Lee, P. A. Ulmann, M. S. Han and C. A. Mirkin, Nano Lett. 8, 529 (2008). doi:10.1021/nl0727563
Z. Wang, R. Lévy, D. G. Fernig and M. Brust, J. Am. Chem. Soc. 128, 2214 (2006). doi:10.1021/ja058135y
H. Wei, C. Chen, B. Han and Wang, Anal. Chem. 80, 7051 (2008). doi:10.1021/ac801144t
Liu and Y. Lu, J. Am. Chem. Soc. 125, 6642 (2003). doi:10.1021/ja034775u
Y. Lu and J. Liu, Acc. Chem. Res. 40, 315 (2007). doi:10.1021/ar600053g
S. K. Singh, S. Shrivastava, M. K. Nayak, A. S. K. Sinha, M. V. Jagannadham and D. Dash, J. Bionanosci. 3, 88 (2009).
S. Shrivastava, T. Bera, A. Roy, G. Singh, P. Ramachandrarao and D. Dash, Nanotechnology 18, 225103 (2007). doi:10.1088/0957-4484/18/22/225103
S. Shrivastava, T. Bera, S. K. Singh, G. Singh, P. Ramachandrarao and D. Dash, ACS Nano 3, 1357 (2009). doi:10.1021/nn900277t
Y. Chen, J. Aveyard and R. Wilson, Chem. Commun. 24, 2804 (2004). doi:10.1039/b411181h
S. Liu, Z. Zhang and M. Han, Anal. Chem. 77, 2595 (2005). doi:10.1021/ac0482864
K. Yoosaf, B. I. Ipe, C. H. Suresh and K. G. Thomas, J. Phys. Chem. C 111, 12839 (2007). doi:10.1021/jp073923q
C. L. Schofield, A. H. Haines, R. A. Field and D. A. Russell, Langmuir 22, 6707 (2006). doi:10.1021/la060288r
P. Pandey, S. P. Singh, S. K. Arya, V. Gupta, M. Datta, S. Singh and B. D. Malhotra, Langmuir 23, 3333 (2007). doi:10.1021/la062901c
D. C. Carter and J. X. Ho, Adv. Protein Chem. 45, 153 (1994). doi:10.1016/S0065-3233(08)60640-3
S. Stamler, D. J. Singel and J. Loscalzo, Science 258, 1898 (1992). doi:10.1126/science.1281928
J. Wang, L. Wang, X. Liu, Z. Liang, S. Song, W. Li, G. Li and C. Fan, Adv. Mater. 19, 3943 (2007). doi:10.1002/adma.200602256