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  • Title: Ultrasensitive dopamine sensor based on novel molecularly imprinted polypyrrole coated carbon nanotubes.
    Author: Qian T, Yu C, Zhou X, Ma P, Wu S, Xu L, Shen J.
    Journal: Biosens Bioelectron; 2014 Aug 15; 58():237-41. PubMed ID: 24657643.
    Abstract:
    A novel electrochemical sensor using the molecularly imprinted (MIP) oxygen-containing polypyrrole (PPy) decorated carbon nanotubes (CNTs) composite was proposed for in vivo detection of dopamine (DA). The prepared sensor exhibits a remarkable sensitivity of (16.18μA/μM) with a linear range of 5.0×10(-11)-5.0×10(-6)M and limit of detection as low as 1.0×10(-11)M in the detection of DA, which might be due to the plenty cavities for binding DA through π-π stacking between aromatic rings and hydrogen bonds between amino groups of DA and oxygen-containing groups of the novel PPy.
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