Abstract：
:An electrochemical sensor for detection of the activity of laccase from Penicillium simplicissimum isolated from the composting has been developed. The sensor is based on glassy carbon electrode modified with multi-wall carbon nanotubes (CNTs). The introduction of CNTs into this system can greatly enhance the electrochemical signal in this assay more sensitively, selectively and rapidly than that in conventional spectrophotometric assays. It was found that the optimal pH value of the electrolyte was 5.6. The results showed a good linear correlation between the current and the concentration of laccase activities measured by spectrophotometry, where the current slope was measured by chronoamperometry with a coefficient of 0.9835. Therefore, this electrochemical sensor can be used for rapid detection of laccase activity from P. simplicissimum. Furthermore, it may be potentially used for rapid quantification of P. simplicissimum according to the relationship between the laccase activities and the biomass.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Liu JX,Zhou WJ,Gong JL,Tang L,Zhang Y,Yu HY,Wang B,Xu XM,Zeng GMdoi
10.1016/j.biortech.2008.04.029subject
Has Abstractpub_date
2008-12-01 00:00:00pages
8748-51issue
18eissn
0960-8524issn
1873-2976pii
S0960-8524(08)00351-9journal_volume
99pub_type
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