Abstract
Development of new strategies of drug delivery is essential for effective treatment of cancer. In the present work, nanobiocomposite of fungal asparaginase was produced by immobilizing with silver nanoparticles. Asparaginase bound silver nanoparticle has shown higher enzyme activity than crude asparaginase. The primary and secondary amine/amide functional groups were found responsible for binding of asparaginase to silver nanoparticles. The silver nanobiocomposite of asparaginase was found to have smooth surface and crystalline in nature. The size of the nanobiocomposites ranged from 60 to 80 nm. The cytotoxicity of silver nanobiocomposite of asparaginase was found to be higher than free asparaginase on ovarian cancer cell line. The silver nanobiocomposite of asparaginase showed better cytotoxicity against ovarian cancer cell line A2780 than lung cancer cell line A549. Thus the synthesized silver nanobiocomposite of asparaginase can be used as an effective anticancer agent against lung cancer.
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