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Cyproterone Synthesis, Recognition and Controlled Release by Molecularly Imprinted Nanoparticle

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Abstract

In this study, we used novel synthetic conditions of precipitation polymerization to obtain nanosized cyproterone molecularly imprinted polymers for application in the design of new drug delivery systems. The scanning electron microscopy images and Brunauer–Emmett–Teller analysis showed that molecularly imprinted polymer (MIP) prepared by acetonitrile exhibited particles at the nanoscale with a high degree of monodispersity, specific surface area of 246 m2 g−1, and pore volume of 1.24 cm3 g−1. In addition, drug release, binding properties, and dynamic light scattering of molecularly imprinted polymers were studied. Selectivity of MIPs was evaluated by comparing several substances with similar molecular structures to that of cyproterone. Controlled release of cyproterone from nanoparticles was investigated through in vitro dissolution tests and by measuring the absorbance by HPLC-UV. The pH dissolution media employed in controlled release studies were 1.0 at 37 °C for 5 h and then at pH 6.8 using the pH change method. Results show that MIPs have a better ability to control the cyproterone release in a physiological medium compared to the non molecularly imprinted polymers (NMIPs).

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Authors and Affiliations

  1. Department of Chemistry, Amirkabir University of Technology, Tehran, Iran

    Ebadullah Asadi, Saman Azodi-Deilami & Majid Abdouss

  2. Department of Chemistry, Islamic Azad University, Shahre-Rey Branch, Shahre-Rey, Tehran, Iran

    Saeedeh Khaghani

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  1. Ebadullah Asadi
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  2. Saman Azodi-Deilami
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  3. Majid Abdouss
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  4. Saeedeh Khaghani
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Correspondence to Majid Abdouss.

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Asadi, E., Azodi-Deilami, S., Abdouss, M. et al. Cyproterone Synthesis, Recognition and Controlled Release by Molecularly Imprinted Nanoparticle. Appl Biochem Biotechnol 167, 2076–2087 (2012). https://doi.org/10.1007/s12010-012-9748-y

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  • DOI: https://doi.org/10.1007/s12010-012-9748-y

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