Abstract

Bharti Ramola, Naveen Chandra Joshi*, Monika Ramola, Juhi Chhabra and Ajay Singh

DOI : http://dx.doi.org/10.13005/ojc/350333

The conventional methods used to synthesise organic and inorganic compounds are suffering from high cost, not eco-friendly, low efficient and not more suitable in large scale operations. Recently, we need an efficient and environmentally-friendly synthetic approach to synthesise some important inorganic or organic compounds in nano scales. Green processes possess the minimization of harmful chemicals and instrumentations, low cost, simple, no harmful chemical generations and high efficiency.  In nano-scale, the potential of the compounds significantly increases and the green synthetic approaches in synthetic chemistry are better alternatives and efficient over conventional methods. In the present study, we have synthesised calcium oxide (CaO) nanoparticles by using the leave extract of Rhododendron arboreum. Calcium oxide nanoparticles are found valuable in adsorption, antimicrobial activities, catalysis and adsorption. The freshly synthesised nanoparticles have been characterised by different analytical methods such as UV-Visible, FT-IR, XRD, FESEM and EDX. The CaO nanoparticles are applicable in the antimicrobial activities against Escherichia coli, Streptococcus mutans and Proteus vulgaris and significant zone inhibitions found over these microorganisms in the pattern E. coli > S. mutans > P. vulgaris.

Antimicrobial Activities; CaO Nanoparticles; Characterisations; Green Synthesis

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