2015
DOI: 10.5539/jas.v7n11p277
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Green Synthesis of Silver Nanoparticles Using Leaf Extract of Rosmarinus officinalis and Its Effect on Tomato and Wheat Plants

Abstract: Biological green synthesis of silver nanoparticles (AgNPs) from silver salts is a growing advanced approach to avoid the requirement of costly instruments and involvement of hazardous chemicals as well. However, increasing use of AgNPs raises potential toxicity level in the environment. In this investigation, leaf extract of rosemary (Rosmarinus officinalis) used as a reducing and stabilizing agent for biosynthesis of AgNPs. The biosynthesized AgNPs were authorized by UV-vis spectrophotometer and X-ray diffrac… Show more

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Cited by 31 publications
(25 citation statements)
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“…TEM was used to characterize the shape and size of AgNPs that were synthesized by the reduction of Ag + using O. arabicus leaf extract. The TEM images obviously showed that the synthesized AgNPs were spherical, in line with previous results 26,27 . The dispersion properties of the spherical particles can vary as per their size, exact shape, and composition 28 .…”
Section: Discussionsupporting
confidence: 90%
“…TEM was used to characterize the shape and size of AgNPs that were synthesized by the reduction of Ag + using O. arabicus leaf extract. The TEM images obviously showed that the synthesized AgNPs were spherical, in line with previous results 26,27 . The dispersion properties of the spherical particles can vary as per their size, exact shape, and composition 28 .…”
Section: Discussionsupporting
confidence: 90%
“…Hence, we selected methanol for extraction of chlorophyll and total carotenoids in a one-step extraction with good recovery; besides methanol is easier to handle. Mazumdar [34] reported that using 1000 µg/ ml AgNPs in Hoagland's nutrient solution caused a significant inhibition in both chlorophyll types and total carotenoids in Vigna radiata and Bactris campestris, which is in agreement with our findings There are several reports that AgNPs inhibit plant growth by inhibition of chlorophyll formation and total soluble protein [70,71] . However, Qian [12] showed that AgNPs inhibited the growth of A. thaliana by disruption of the thylakoid membrane structure and thereby decreased the chlorophyll concentration.…”
Section: Sift Desksupporting
confidence: 92%
“…The literature offers information about investigations performed with metal NPs on wheat samples such as Ti, Cu, Zn, Ce, and Ag. The majority of them were focused on the accumulation, uptake, and effect of Ti NPs on the growth of root and shoot [70][71][72][73][74], on the performance of wheat in the presence of CuO and ZnO in nano and non-nanometric forms [64] and nAl 2 O 3 [75], the effect on seed germination [63,76], and toxicity of CeO 2 NPs [77,78]. There are no studies following the modification of the total elemental content in wheat while the samples are treated with some NPs.…”
Section: Element Content and Enrichment Factor In Wheatmentioning
confidence: 99%