Journal
PARTICULATE SCIENCE AND TECHNOLOGY
Volume 33, Issue 6, Pages 638-644Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/02726351.2015.1016644
Keywords
biomimetic synthesis; Mimosa pudica; silver nanoparticles; surface plasmon resonance
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Funding
- University Grants Commission, New Delhi
- Maulana Azad National Fellowship
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A bioinspired method of silver nanoparticle (AgNP) synthesis using the highly invasive terrestrial weed mimosa (Mimosa pudica) is presented. An aqueous extract of the leaves of the weed that served as a reducing and stabiliaing agent was employed in various proportions with Ag (I) solution for this synthesis. The effect of several key variables that influence the shape/size of the AgNPsconcentrations of the extract relative to Ag (I), temperature, interaction time, stirring, and pHwas studied employing UV-visible spectrophotometry, scanning electron microscopy (SEM), transmission electron microscopy (TEM), dynamic light scattering (DLS), and x-ray diffraction (XRD). The study provides the basis for selecting processes for synthesizing AgNPs of desired shapes and sizes that can be developed using mimosa as the bioagent. All processes in this synthesis, being simple, nonpolluting, inexpensive, and nonhazardous, raise the possibility of large-scale utilization of mimosa, thereby offering a means to reduce ecological degradation that is caused by mimosa.
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