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Formation of silver nanoparticles (AgNPs) by a biological route employing Crossandra infundibuliformis leaf extract has been investigated. The silver nanoparticles were formed in 1h by stirring at room temperature. In this case, yellowish brown color was developed. Formation of AgNP was confirmed by surface plasmon spectra and absorbance peaks at 457nm. Crystalline nature of the nanoparticle was face...
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