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Carbon nanotube electrodes were fabricated using powder microelectrode method, and the carbon nanotube powder microelectrodes (CNTPMEs) were characterized by the electro-oxidation and electro-reduction of nitrite. It was found that the kinetics of oxidation and reduction were greatly improved at CNTs compared with that at conventional graphite, indicating that CNTs could catalyze the electrochemical...
When heptakis (2,6-di-O-isobutyl)-β-cyclodextrin(DOB-β-CD) is immobilized in a plasticized poly vinyl chloride (PVC) membrane, it extracts tetracycline (TC) from the sample solution into the organic membrane phase to form a complex of DOB-β-CD and TC. Since the complex formation results in an enhancement of fluorescence intensity of TC at 506 nm, the chemical recognition process can be directly translated...
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