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Abstract

ANTIBACTERIAL ACTVITY OF SILVER NANOPARTICLES SYNTHESIS FROM ACACIA NILOTICA PLANT LEAF

Dr. Y. Thangam*, C. Govindasamy and C. Shiranjivi

ABSTRACT

Silver nanoparticles have long been known for their antibacterial, antifungal, anti-viral and anti-inflammatory properties. Recently, researchers have extended their use into chemotherapy as a device for delivering various payloads such as small drug molecules or large bio molecules to specific targets. Silver compounds were shown to be effective against both aerobic and anaerobic bacteria by precipitating bacterial cellular proteins and by blocking the microbial respiratory chain system. The silver nanoparticles show antimicrobial activity which heals the wounds and infectious disease. The synthesis of nanoparticles gets concern in nanotechnology due to the variable size, shapes, chemical composition and controlled disparity and their potential use in the medical science for the better treatment of human benefits. The main mechanism considered for the synthesis of nanoparticles mediated by the plants due to the presence of phytochemicals these responsible for the spontaneous reduction of ions are flavonoids, terpenoids, carboxylic acids, quinones, aldehydes, ketones and amides. In producing nanoparticles using plant extracts, the extract mixed with a solution of the metal salt at room temperature. The reaction is complete within minutes. Nanoparticles of silver, gold and many other metals have been produced by this way.

Keywords: Acacia nilotica, Silver nanoparticles, Plant extract, phytochemicals, Microbial bacteria.


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