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Cited by 348

The DOI matches its Crossref record; 19 of the 19 references it cites were found in a registry or an index.

Direct Electrochemistry and Electrocatalysis of Heme Proteins Entrapped in Agarose Hydrogel Films in Room-Temperature Ionic Liquids

Wang, Sheng-Fu, Chen, Ting, Zhang, Zhi-Ling, Shen, Xin-Cheng, Lu, Zhe-Xue, Pang, Dai-Wen, Wong, Kwok-Yin·2005·Langmuir
DOI 10.1021/la050947k
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Abstract

The electrochemistry and electrocatalysis of a number of heme proteins entrapped in agarose hydrogel films in the room-temperature ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim][PF(6)]) have been investigated. UV-vis and FTIR spectroscopy show that the heme proteins retain their native structure in agarose film. The uniform distribution of hemoglobin in agarose-dimethylformamide film was demonstrated by atomic force microscopy. Cyclic voltammetry shows that direct electron transfer between the heme proteins and glassy carbon electrode is quasi-reversible in [bmim][PF(6)]. The redox potentials for hemoglobin, myoglobin, horseradish peroxidase, cytochrome c, and catalase were found to be more negative than those in aqueous solution. The charge-transfer coefficient and the apparent electron-transfer rate constant for these heme proteins in [bmim][PF(6)] were calculated from the peak-to-peak separation as a function of scan rate. The heme proteins catalyze the electroreduction of trichloroacetic acid and tert-butyl hydroperoxide in [bmim][PF(6)]. The kinetic parameter I(max) (maximum current at saturation concentration of substrate) and the apparent K(m) (Michaelis-Menten constant) for the electrocatalytic reactions were evaluated.

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Metadata

Authors
Wang, S.-F., Chen, T., Zhang, Z.-L., Shen, X.-C., Lu, Z.-X., Pang, D.-W., & Wong, K.-Y.
Venue
Langmuir
Publisher
American Chemical Society (ACS)
Published
2005-08-13
Volume
21
Issue
20
Pages
9260-9266
ISSN
  • 0743-7463 (ISSN-L)
  • 1520-5827
DOI
10.1021/la050947k
OpenAlex
W3151666537
Cited by
348
References
19
FWCI
20.97
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Direct Electrochemistry and Electrocatalysis of Heme Proteins Entrapped in Agarose Hydrogel Films in Room-Temperature Ionic Liquids. https://app.cochat.ai/papers/10.1021/la050947k
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Wang, S.-F., Chen, T., Zhang, Z.-L., Shen, X.-C., Lu, Z.-X., Pang, D.-W., & Wong, K.-Y. (2005). Direct Electrochemistry and Electrocatalysis of Heme Proteins Entrapped in Agarose Hydrogel Films in Room-Temperature Ionic Liquids. Langmuir. https://doi.org/10.1021/la050947k

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