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  • Title: Green synthesis of silver nanoparticles using leaf extract of Acalypha hispida and its application in blood compatibility.
    Author: Selvakumar P, Sithara R, Viveka K, Sivashanmugam P.
    Journal: J Photochem Photobiol B; 2018 May; 182():52-61. PubMed ID: 29604554.
    Abstract:
    The blood compatibility of AgNPs is of great relevance as it has good antifungal, antibacterial and anti-inflammatory properties and the toxicological information of their effects on cells need to be analyzed before using it as drug carriers in the biomedical field. The present study deals with the synthesis of AgNPs from an aqueous solution of silver nitrate using Acalypha hispida leaf extract as the reducing and capping agent. The presence of AgNPs in the reaction mixture was confirmed by visual observation of color change and subsequently identified using UV-Visible Spectroscopy. XRD results revealed the crystalline nature of synthesized AgNPs. The shape and size of particles were characterized by TEM. These results revealed the elemental status of nanopowder. The components present in leaf extract were identified by GC-MS and functional groups present in the sample when treated with silver nitrate were obtained from FT-IR results. The surface of synthesized AgNPs was modified using four different compounds such as CTAB, PEG, PEI, and APTMS to evaluate the blood compatibility. The results showed that 50 μg/mL CTAB coated AgNPs and 50 and 100 μg/mL PEG coated AgNPs had non-hemolytic property and considered as more blood compatible surface modified AgNPs. This investigation gives an idea of using surface modified AgNPs in the field of biomedicine and therapeutic applications.
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