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- Title
GREEN TECHNOLOGY: A NOVEL AND POTENTIAL APPROACH FOR NANODRUG DELIVERY SYSTEM FOR PLANT EXTRACTS.
- Authors
Deshpande, Pallav Kaushik; Gothalwal, Ragini
- Abstract
Due to their extraordinary physicochemical properties, metallic nanoparticles (NPs) have been effectively applied in numerous fields, including health care, synthetic biology, and cellular transportation. Amongst various nanoparticles, AgNPs have received particular attention due to their unique morphologies, stability, and controlled geometry. AgNPs have been largely used in various electronic and sensing devices, coating materials, data packing, and molecular switches. Apart from this, they have also been applied in the diagnosis and treatments of various diseases. Particularly, AgNPs possess excellent antimicrobial activities against several microorganisms which are known to be responsible for several infectious diseases. There are two approaches for their preparation firstly, physical approaches which frequently entail highly expensive instruments, high temperature and pressure, and high energy consumption and secondly the chemical approaches include condensation, sol gel technique and reduction, and other biochemical approaches. The chemical approach mainly involves the concepts of wet chemistry to prepare AgNPs via the reduction/decomposition of metal salts in solutions using numerous chemical reducing agents. However, the chemical methods often require costly metal salts and toxic or hazardous solvents and reductants like sodium borohydride, hydrazine, etc. In addition, different types of stabilizers are also required to prevent the aggregation of particles or to make them physiologically compatible. To avoid these issues third approach, the concepts of green technology/chemistry have gained immense popularity; these are mainly concerned with replacing chemical products and improving or developing processes and technologies to reduce or even eliminate substances that are harmful to health and the environment. Green chemistry has the most profound implications on the wet chemical synthesis of inorganic NPs. It promotes reactions without hazardous solvents, reducing agents, and stabilizers. Several green methods have been applied so far for the preparation of AgNPs including electrochemical reduction, microwave and sonochemical preparation, or synthesis from supercritical liquids.
- Subjects
GREEN technology; PLANT extracts; SOLUTION (Chemistry); INORGANIC synthesis; WET chemistry; ELECTROLYTIC reduction
- Publication
International Journal of Pharmacy & Life Sciences, 2019, Vol 10, Issue 6, p42
- ISSN
0976-7126
- Publication type
Article