Green synthesis of silver nanoparticle and silver based chitosan bionanocomposite using stem extract of Saccharum officinarum and assessment of its antibacterial activity

Abstract

Synthesis of nanoparticles and nanocomposites using green route is a major focus of modern nanotechnology. Herein we demonstrate the synthesis of silver nanoparticle and silver based chitosan bionanocomposite using the stem extract of Saccharum officinarum. The absorbance peak at 460 nm in the UV–Vis spectrum reveals the synthesis of silver nanoparticles using the stem extract of Saccharum officinarum. The size of the synthesized silver nanoparticle was in the range of 10–60 nm obtained from transmission electron microscope (TEM) analysis. The presence of silver nanoparticles on the chitosan suspension was identified by scanning electron microscope (SEM) and energy dispersive x-ray spectroscopy (EDS). The presence of possible functional group involved in the reduction of silver metal ions into silver nanoparticles was identified by Fourier transform infrared spectroscopy (FTIR) analysis. The antibacterial activity of the synthesized silver based chitosan bionanocomposite was evaluated against Bacillus subtilis (MTCC 3053), Klebsiella planticola (MTCC 2277), Streptococcus faecalis (ATCC 8043), Pseudomonas aeruginosa (ATCC 9027) and Escherichia coli (ATCC 8739). The antibacterial activity of silver based chitosan bionanocomposite has remarkable scope in medicine, food packaging, textile and pharmaceuticals.

Green Synthesized Chitosan/Chitosan Nanoforms/Nanocomposites for Drug Delivery Applications

“…Green synthesis procedures have also been demonstrated for the synthesis of chitosan bionanocomposites. Silver-based chitosan bionanocomposites have been synthesized using the stem extract of Saccharum officinarum [ 135 ]. The antibacterial activity of these silver-based chitosan bionanocomposites was evaluated against Bacillus subtilis , Klebsiella planticola , Streptococcus faecalis , Pseudomonas aeruginosa , and Escherichia coli .…”

Biosynthesis of silver nanoparticle using extract of Zea mays (corn flour) and investigation of its cytotoxicity effect and radical scavenging potential

“…A variety of plants, their parts, and their extracts are being previously utilized in the biological synthesis of a number of metal nanoparticles including silver nanoparticles [23][24][25][26][27]. Recent investigations have revealed that the existence of active functional groups and biological compounds such as sugar, phenolic compounds and flavonoids are mainly responsible for the reduction of metal ions into nanoparticles [28,29]. Maize or corn (Zea mays L.) is a cereal belonging to the family Poaceae.…”

Biomedical Evaluation of Lansium parasiticum Extract-Protected Silver Nanoparticles Against Haemonchus contortus, a Parasitic Worm

“…Along with this, the other bonds C=C and O–H shift from 2,118.5 and 3,299 cm −1 in ALE to 2,155 and 3,245 cm −1 , respectively, in LAgNPs, indicating that these functional groups may play an important role in the reduction and capping of LAgNPs ( Figure 2E ). The band positions and respective shifts in FTIR along with the references are given in Table 1 (Alkilany et al, 2015 ; Gayathri et al, 2015 ; Jyoti et al, 2016 ; Paulkumar et al, 2017 ; Senthil et al, 2017 ).…”