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Author Shivananda, Chikkapura Shekarappa ♦ Asha, Sangappa ♦ Madhukumar, Rajappa ♦ Satish, Sreedharamurthy ♦ Narayana, Badiadka ♦ Byrappa, Kullaiah ♦ Wang, Youjiang ♦ Sangappa, Yallappa
Source SpringerLink
Content type Text
Publisher The Polymer Society of Korea
File Format PDF
Copyright Year ©2016
Language English
Subject Domain (in DDC) Natural sciences & mathematics ♦ Chemistry & allied sciences
Subject Keyword silk fibroin ♦ silver nanoparticles ♦ UV-visible ♦ XRD ♦ TEM ♦ antibacterial activity ♦ Polymer Sciences ♦ Soft and Granular Matter, Complex Fluids and Microfluidics ♦ Physical Chemistry ♦ Characterization and Evaluation of Materials ♦ Nanochemistry ♦ Nanotechnology
Abstract The colloidal silver nanoparticles (AgNPs) were synthesized in situ under white light at room temperature using aqueous silk fibroin (SF) obtained from Bombyxmori silk. The UV-visible spectroscopy revealed the formation of AgNPs by showing a typical surface Plasmon resonance (SPR) band at 422 nm from the UV-visible spectra. The transmission electron microscope (TEM) images show that the formed nanoparticles were spherical in shape with smooth surfaces. The particle diameter was around 35-40 nm. Further the X-ray diffraction (XRD) analysis confirms the nanocrystalline phase of silver with face centered cubic (FCC) crystal structure. The biogenic silver nanoparticles exhibited significant antibacterial activity against human bacterial pathogens Bacillus subtilis, Staphylococcus aureus, Salmonella typhi and Escherichia coli.
ISSN 15985032
Age Range 18 to 22 years ♦ above 22 year
Educational Use Research
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2016-09-23
Publisher Place Seoul
e-ISSN 20927673
Journal Macromolecular Research
Volume Number 24
Issue Number 8
Page Count 7
Starting Page 684
Ending Page 690

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Source: SpringerLink