Simultaneous electrochemical determination of uric acid and ascorbic acid on a glassy carbon electrode modified with cobalt(II) tetrakisphenylporphyrin

被引：23

作者：

Li, CX ^{[1
]}

Zeng, YL

Liu, YJ

Tang, CR

机构：

[1] Hunan Univ Sci & Technol, Chem & Chem Engn Coll, Xiangtan 411201, Peoples R China

[2] Hunan Univ, Chem & Chem Engn Coll, State Key Lab Chemobiosensing & Chemometr, Changsha 410082, Peoples R China

来源：

ANALYTICAL SCIENCES | 2006年 / 22卷 / 03期

关键词：

D O I：

10.2116/analsci.22.393

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A cobalt(II) tetrakisphenylporphyrin (Co(II)TPP) film modified glassy carbon electrode (Co(11)TPP-GCE) was prepared by just coating Co(II)TPP solution on the surface of the electrode. It can be used for the simultaneous determination of ascorbic acid and uric acid. The anodic peaks of AA and UA can be separated well. Owing to the strongly hydrophobic property of porphyrin, the modified electrode has good stability and long life. The linear range for UA and AA were 2.0 x 10(-6) - 1.0 x 10(-4) M and 9.0 x 10(-6) - 2.0 x 10(-3) M with detection limits of 5.0 x 10(-7) and 5.0 x 10(-6) M, respectively. Furthermore, metalloporphyrins of other kinds were also used to construct modified electrodes: Their performances were inferior compared with that of the CO(11)TPP modified electrode.

引用

页码：393 / 397

页数：5

共 40 条

[1] ON PREPARATION OF METALLOPORPHYRINS [J].

ADLER, AD ;

LONGO, FR ;

KAMPAS, F ;

KIM, J .

JOURNAL OF INORGANIC & NUCLEAR CHEMISTRY, 1970, 32 (07) :2443-&

[2] Uric acid and cardiovascular risk [J].

Alderman, MH .

CURRENT OPINION IN PHARMACOLOGY, 2002, 2 (02) :126-130

[3] An ion-selective electrode for acetate based an a urea-functionalized porphyrin as a hydrogen-bonding ionophore [J].

Amemiya, S ;

Bühlmann, P ;

Umezawa, Y ;

Jagessar, RC ;

Burns, DH .

ANALYTICAL CHEMISTRY, 1999, 71 (05) :1049-1054

[4] Ascorbic acid: much more than just an antioxidant [J].

Arrigoni, O ;

De Tullio, MC .

BIOCHIMICA ET BIOPHYSICA ACTA-GENERAL SUBJECTS, 2002, 1569 (1-3) :1-9

[5] Electrochemical study of methylene blue incorporated into mordenite type zeolite and its application for amperometric determination of ascorbic acid in real samples [J].

Arvand, M ;

Sohrabnezhad, S ;

Mousavi, MF ;

Shamsipur, M ;

Zanjanchi, MA .

ANALYTICA CHIMICA ACTA, 2003, 491 (02) :193-201

[6] Electrocatalytic oxidation of styrene by a high valent ruthenium porphyrin cation radical [J].

Chen, CY ;

Cheng, SH ;

Su, YO .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 2000, 487 (01) :51-56

[7] The electrocatalytic transformation of HS-, S2O32-, S4O62- and SO32- to SO42- by water-soluble iron porphyrins [J].

Chen, SM ;

Chiu, SW .

ELECTROCHIMICA ACTA, 2000, 45 (27) :4399-4408

[8] PRIMARY PRODUCTS OF ELECTROCHEMICAL OXIDATION OF URIC ACID IN AQUEOUS AND METHANOLIC SOLUTION [J].

DRYHURST, G .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1971, 118 (05) :699-&

[9] Kinetic spectrofluorimetric determination of trace ascorbic acid based on its inhibition on the oxidation of pyronine Y by nitrite [J].

Feng, SL ;

Wang, J ;

Chen, XG ;

Fan, J .

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 2005, 61 (05) :841-844

[10] Determination of ascorbic acid based on a peroxidase oscillator reaction [J].

Gan, NQ ;

Cai, RX ;

Lin, ZX .

ANALYTICA CHIMICA ACTA, 2002, 466 (02) :257-260

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