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Received April 27, 2012
Accepted August 22, 2012
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Use of biologically designed gold nanowire for biosensor application
Sung-Hee Shin
Gha-Young Kim1
Joonmok Shim2
Jungok Kim
Hor-Gil Hur
Don-Jung Lee3
Jong-In Song3
Seung-Hyeon Moon†
School of Environmental Science and Engineering, Gwangju Institute of Science and Technology (GIST), 123, Cheomdan-gwagiro, Buk-gu, Gwangju 500-712, Korea 1Department of Nuclear Fuel Cycle Technology Development, Korea Atomic Energy Research Institute, Yuseong-gu, Daejeon 305-701, Korea 2Energy Storage Center, Korea Institute of Energy Research (KIER), 152, Gajeong-ro, Yuseong-gu, Daejeon 305-343, Korea 3Department of Nanobio Materials and Electronics, Gwangju Institute of Science and Technology (GIST), 123, Cheomdan-gwagiro, Buk-gu, Gwangju 500-712, Korea
shmoon@gist.ac.kr
Korean Journal of Chemical Engineering, December 2012, 29(12), 1666-1669(4), 10.1007/s11814-012-0140-y
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Abstract
A highly sensitive tyrosinase (TYR)-based amperometric biosensor is prepared using biologically designed gold nanowires (AuNWs) for pesticide detection. The AuNWs were synthesized by dodecapeptide Midas-11 and were modified with the formation of self-assembled monolayer (SAM), followed by covalent binding with TYR. The prepared TYR-AuNWs-SPCE (screen printed carbon electrode) was compared with bare, AuNWs-, modified-AuNWs-SPCE_x000D_
by the measurement of cyclic voltammetry. The quantitative relationship between the inhibition percentage and the pesticide concentration at the TYR-AuNWs-SPCE was obtained by measuring the current response in various concentrations of pesticides. The reasonable detection range of parathion was determined to be 0.1 ppt through 10 ppb (R2=0.990) with 0.087 ppt of detection limits. The higher sensitivity and wider detection range of the TYR-based biosensor was achieved by the use of biologically synthesized AuNWs.
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Boye B, Brillas E, Marselli B, Michaud PA, Comninellis C, Farnia G, Sandona G, Electrochim. Acta, 51(14), 2872 (2006)
Cha DK, Sarr D, Chiu PC, Kim DW, Water Environ. Res., 70, 705 (1998)
Van Dyk JS, Pletschke B, Chemosphere., 82(3), 291 (2011)
de Albuquerque YDT, Ferreira LF, Anal. Chim. Acta., 596, 210 (2007)
Lee HS, Kim YA, Cho YA, Lee YT, Chemosphere., 46, 571 (2002)
Shi MH, Xu JJ, Zhang S, Liu BH, Kong JL, Talanta., 68, 1089 (2006)
Joshi KA, Tang J, Haddon R, Wang J, Chen W, Mulchandani A, Electroanalysis., 17, 54 (2005)
Kia M, Islamnezhad A, Shariati S, Biparva P, Korean J. Chem. Eng., 28(10), 2064 (2011)
Kim GY, Shim J, Kang MS, Moon SH, J. Hazard. Mater., 156(1-3), 141 (2008)
Park BW, Kim DS, Yoon DY, Korean J. Chem. Eng., 28(1), 64 (2011)
Liu GD, Wang J, Barry , Petersen C, Timchalk C, Gassman PL, Lin YH, Chem. Eur. J., 14, 9951 (2008)
Katz E, Willner I, Wang J, Electroanalysis., 16, 19 (2004)
Umasankar Y, Chen SM, Sensors., 8, 290 (2008)
Cherevko S, Chung CH, Sensors and Actuators, B: Chemical., 142, 216 (2009)
Kim J, Rheem Y, Yoo B, Chong Y, Bozhilov KN, Kim D, Sadowsky MJ, Hur HG, Myung NV, Acta Biomater., 6, 2681 (2010)
Kim GY, Shim J, Kang MS, Moon SH, J. Environ. Monit., 10, 632 (2008)
Gorelik LY, Voinova MV, Biosens. Bioelectron., 22, 405 (2006)
Shim J, Woo JJ, Moon SH, Kim GY, J. Membr. Sci., 330(1-2), 341 (2009)
Lin YH, Lu F, Wang J, Electroanalysis., 16, 145 (2004)
Du D, Huang X, Cai H, Zhang AD, Biosens. Bioelectron., 23, 285 (2007)
Abad JM, Pariente F, Hernandez L, Abruna HD, Lorenzo E, Anal. Chem., 70, 2848 (1998)
Viswanathan S, Radecka H, Radecki J, Biosens. Bioelectron., 24, 2772 (2009)
