Abstract
A poly(caffeic acid) thin film was deposited on the surface of a glassy carbon electrode by potentiostatic technique in an aqueous solution containing caffeic acid. The poly(caffeic acid)-modified electrode was used for the determination of ascorbic acid (AA), dopamine (DA), and their mixture by cyclic voltammetry. This modified electrode exhibited a potent and persistent electron-mediating behavior followed by well-separated oxidation peaks toward AA and DA at a scan rate of 10 mV s−1 with a potential difference of 135 mV, which was large enough to determine AA and DA individually and simultaneously. The catalytic peak current obtained was linearly dependent on the AA and DA concentrations in the range of 2.0 × 10−5−1.2 × 10−3 and 1.0 × 10−6−4.0 × 10−5 mol L−1 in 0.15 mol L−1 phosphate buffer (pH 6.64). The detection limits for AA and DA were 9.0 × 10−6 and 4.0 × 10−7 mol L−1, respectively. The modified electrode shows good sensitivity, selectivity, and stability and has been applied to the determination of DA and AA in real samples with satisfactory results.
Similar content being viewed by others
References
Michael DJ, Wightman RM (1999) J Pharm Biomed Anal 19:3
Grossman M, Glosser G, Kalmanson J, Morris J, Stern MB, Hurtig HI (2001) J Neurol Sci 184:123
O’Neill RD (1994) Analyst 119:767
Arrigoni O, Tullio MCD (2002) Biochim Biophys Acta 1569:1
Nalini B, Narayanan SS (2000) Anal Chim Acta 405:93
Munoz RAA, Matos RC, Angnes L (2001) Talanta 55:855
Malinauskas A, Garjonyte R, Mazeikiene R, Jureviciute I (2004) Talanta 64:121
Pandey PC, Upadhyay BC (2005) Talanta 67:997
Doménech A, García H, Doménech-Carbó MT, Galletero MS (2002) Anal Chem 74:562
Zhang MN, Gong KP, Zhang HW, Mao LQ (2005) Biosens Bioelectron 20:1270
Gelbert MB, Curran DJ (1986) Anal Chem 58:1028
Zhou DM, Ju HX, Chen HY (1996) J Electroanal Chem 408:219
Pihel K, Walker QD, Wightman RM (1996) Anal Chem 68:2084
Wen XL, Jia YH, Liu ZL (1999) Talanta 50:1027
Sun YX, Ye BX, Zhang WM, Zhou XY (1998) Anal Chim Acta 363:75
Selvaraju T, Ramaraj R (2003) Electrochem Commun 5:667
Roy PR, Okajima T, Ohsaka T (2003) Bioelectrochemistry 59:11
Shankaran DR, Iimura K, Kato T (2003) Sensor Actuat B 94:73
Jin GP, Lin XQ, Gong JM (2004) J Electranal Chem 569:135
Aguilar R, Dávila MM, Elizalde MP, Mattusch J, Wennrich R (2004) Electrochim Acta 49:851
Zare HR, Nasirizadeh N, Ardakani MM (2005) J Electroanal Chem 577:25
Pournaghi-Azar MH, Ojani R (1995) Talanta 42:1839
dos Reis AP, Tarley CRT, Maniasso N, Kubota LT (2005) Talanta 67:829
Wang ZH, Liu J, Liang QL, Wang YM, Luo GA (2002) Analyst 127:653
Chen SM, Liu JW, Thangamuthu R (2006) Electroanalysis 18:2361
Chen SM, Chen JY, Vasantha VS (2006) Electrochim Acta 52:455
Yin TJ, Wei WZ, Zeng JX (2006) Anal Bioanal Chem 386:2087
Vasantha VS, Chen SM (2006) J Electroanal Chem 592:77
Li YX, Lin XQ (2006) Sensor Actuat B 115:134
Zare HR, Rajabzadeh N, Nasirizadeh N, Ardakani MM (2006) J Electroanal Chem 589:60
Chen SM, Chzo WY (2006) J Electroanal Chem 587:226
Deng XR, Wang LS, Zhang SF, Liu XX, Mo JY (2006) Chin J Anal Chem 34:637
Kumar SS, Mathiyarasu J, Phani KLN, Yegnaraman V (2006) J Solid State Electrochem 10:905
Yang GJ, Xu, JJ, Wang, K, Chen HY (2006) Electroanalysis 18:282
Nardini M, Pisu P, Gentili V, Natella F, Di M, Piccolella F, Scaccini C (1998) Free Radical Bio Med 25:1098
Ren W, Luo HQ, Li NB (2006) Biosens Bioelectro 21:1086
Vladimirova TV, Ramenskaya LM (2006) Russ J Phys Chem 80:836
Amorati R, Pedulli GF, Cabrini L, Zambonin L, Landi L (2006) J Agric Food Chem 54:2932
Berfield JL, Wang LC, Reith MEA (1999) J Biol Chem 274:4876
Acknowledgments
This project is supported by the Municipal Science Foundation of Chongqing City (no. CSTC-2004BA4024, no. CSTC-2006BB0342), and all authors here express their deep thanks.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Li, N.B., Ren, W. & Luo, H.Q. Simultaneous voltammetric measurement of ascorbic acid and dopamine on poly(caffeic acid)-modified glassy carbon electrode. J Solid State Electrochem 12, 693–699 (2008). https://doi.org/10.1007/s10008-007-0410-5
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10008-007-0410-5