Abstract
Mimusops elengi (Maulsari) is a medicinal plant (showing; antioxidant, antimycotic, antidiabetic, analgesic activity, etc.). Conventional UV-visible spectrophotometric technique in the presence of CTAB and transmission electron microscopic technique both in the presence and absence of CTAB were used to determine the morphology of silver nanoplates (AgNP) using Mimusops elengi (Maulsari) aqueous leaves extract for the first time. Cetyltrimethylammonium bromide (CTAB) has no significant effect on the shape of the spectra and position of SPR bands. Effects of various CTAB were also discussed in the green extra-cellular synthesis of AgNP using Mimusops elengi (Maulsari) leaves extract.
Highlights
The biosynthesis of nanoparticles is receiving immense importance due to the present need to develop environmentally benign technologies in material synthesis
In a typical one step synthesis, silver nanoparticles were prepared by the reduction of AgNO3
The Mimusops elengi, L. (Maulsari) leaves extract was filtered with Whatman paper No 1 and kept under continuous dark conditions to avoid the intervention of photochemical reactions. 5.0 cm3 of leaf extract was added to 5.0 cm3 of 1.0 × 10−2 mol·dm−3 AgNO3 and the volume was adjusted to 50 cm3 with double distilled water for the green reduction process
Summary
The biosynthesis of nanoparticles is receiving immense importance due to the present need to develop environmentally benign technologies in material synthesis. Sastry and co-workers have explored the possibility of using microbes and plant materials as nano-. The “green” synthesis of metal nanoparticles has received increased attention due to the advances in ecofriendly technologies in material science. Gardea-Torresdey et al [7] [8] initially reported the possibility of using plant materials for the synthesis of nanoscale metals. Later nanosized metals of various shapes were produced by bioreduction, capable of meeting various industrial requirements [4]-[6]. Huang et al demonstrated the use of sun-dried Cinnamomum camphora leaf for the synthesis of nanosized Ag and Au at ambient conditions without the use of any additives for protecting nanoparticles from aggregation [9]. There is almost no literature on the extra cellular synthesis of Ag-NPs by using sea weeds [10]
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