Polyaniline nanoparticles for the selective recognition of aldrin: Synthesis, characterization, and adsorption properties
作者： M.M. Diale , M.O. Munyati , A. Mbozi , M.N. Siamwiza
DOI: 10.1016/J.SYNTHMET.2017.09.010
关键词:
摘要: Abstract We report the preparation, characterization, and property evaluation of molecularly imprinted polyaniline nanoparticles that can be used for selective recognition aldrin. The were prepared by inverted emulsion polymerization using aldrin as a template aniline functional monomer. characterized UV–vis spectroscopy, Fourier transform infrared nuclear magnetic resonance spectroscopy. spectral data confirmed was successfully incorporated into polymer matrix. Atomic force microscopy scanning electron analyses revealed spherical in nature with sizes ranging from 60 to 100 nm nonimprinted particles 500 1500 nm particles. surface morphology changed smooth rough upon incorporation molecules. electrical properties evaluated four-point probe coupled source meter. showed an conductivity 4.149 S/cm, which reduced 0.546 S/cm polyaniline. equilibrium dissociation constant free concentration found 0.6 0.799 ng/μL, respectively. adsorption characteristics dichlorodiphenyltrichloroethane (DDT) investigated determine selectivity nanoparticles. distribution coefficients DDT 0.76 ng/ng 1.31 μL/ng, respectively, indicating had stronger affinity than DDT.
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