Author(s): Mradul Shivhare, Dr. Neelima Goswami, Dr. RB Goswami, Priyanka Rathore and Vidushi Singh

Abstract: Polymeric nanoparticles as drug delivery vehicles offer a multitude of advantages, including increased oral bioavailability of drugs and reduced dosage frequency. A variety of anticancer, antimicrobial, anti-tuberculosis, peptide and protein based drug formulations with Nano drug carriers have been researched for their therapeutic effectiveness. Inspite of the wide spread research, sustained release formulations with nano-polymeric carriers could be found only in small numbers in the market, with most of them in the form of ointments or wound healing bandages. Green synthesis of nanoparticles is a common eco-friendly method using plants extract is due to numerous advantages, including better products and worth of NPs obtained, easiness of process and control, safety, the richness of resources, and cost-effective. The objective of the present investigation is to perform the green synthesis of Zinc Oxide nanoparticles using Psidium guajava leaf aqueous extract. The ZNPs were found to exhibit antibacterial activity against gram positive and gram negative bacteria.

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