Abstract
A layer of L-glycine-molecule-imprinted polyaniline (LMIP-PANI) polymer film has been modified on a carbon fiber electrode for the determination of L-glycine standard samples and L-glycine in cerebrospinal fluid of wistar mice. It has been found that a linear relationship exists between current and concentration for the glycine standard samples in the range of 0-12 μM by using the LMIP-PANI-modified carbon fiber electrode as a sensor. However, there is no any relationship between current and concentration for the carbon fiber electrode modified with no-glycine-molecule-imprinted polyaniline (NIP-PANI). The MIP-PANI- and NIP-PANI-modified carbon fiber films have been characterized by scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and electrochemistry methods. The investigation shows that the MIP-PANI-imprinted carbon fiber electrode will have a potential application in in-situ monitoring neurotransmitter due to its easy fabrication, low cost, bio-compatibility and flexibility.
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