One-step preparation of ultrafine poly(acrylonitrile) fibers containing silver nanoparticles

2005 ◽  
Vol 59 (23) ◽  
pp. 2977-2980 ◽  
Author(s):  
Hwang Kyu Lee ◽  
Eun Hwan Jeong ◽  
Chi Kyoung Baek ◽  
Ji Ho Youk
Keyword(s):  
Silver Nanoparticles ◽  
One Step ◽  
Poly Acrylonitrile

One-step preparation of antimicrobial silver nanoparticles in polymer matrix

2015 ◽  
Vol 17 (3) ◽  
Author(s):  
O. Lyutakov ◽  
Y. Kalachyova ◽  
A. Solovyev ◽  
S. Vytykacova ◽  
J. Svanda ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Polymer Matrix ◽  
One Step

scholarly journals Simple One-Step Method to Synthesize Polypyrrole-Indigo Carmine-Silver Nanocomposite

2016 ◽  
Vol 2016 ◽  
pp. 1-8 ◽  
Author(s):  
Lara Fernandes Loguercio ◽  
Pedro Demingos ◽  
Luiza de Mattos Manica ◽  
Jordana Borges Griep ◽  
Marcos José Leite Santos ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Infrared Spectroscopy ◽  
Near Infrared ◽  
Indigo Carmine ◽  
Electrochemical Process ◽  
Conjugation Length ◽  
Step Method ◽  
Polypyrrole Films ◽  
One Step ◽  
Silver Nanocomposite

A nanocomposite of indigo carmine doped polypyrrole/silver nanoparticles was obtained by a one-step electrochemical process. The nanocomposite was characterized by scanning electron microscopy, infrared spectroscopy, ultraviolet-visible-near infrared spectroscopy, and cyclic voltammetry. The simple one-step process allowed the growth of silver nanoparticles during the polymerization of polypyrrole, resulting in films with electrochromic behavior and improved electroactivity. In addition, polypyrrole chains in the nanocomposite were found to present longer conjugation length than pristine polypyrrole films.

Silver nanoparticles modified with sulfanilic acid for one-step colorimetric and visual determination of histidine in serum

2016 ◽  
Vol 183 (6) ◽  
pp. 1865-1872 ◽  
Author(s):  
Pengcheng Huang ◽  
Jianfang Li ◽  
Juan Song ◽  
Nan Gao ◽  
Fangying Wu
Keyword(s):  
Silver Nanoparticles ◽  
Sulfanilic Acid ◽  
One Step

scholarly journals SERS Activity of Silver Nanosphere, Triangular Nanoplates, Hexagonal Nanoplates and Quasi-Spherical Nanoparticles: Effect of Shape and Morphology

Coatings ◽  
2020 ◽  
Vol 10 (3) ◽  
pp. 288 ◽  
Author(s):  
Marco Zannotti ◽  
Andrea Rossi ◽  
Rita Giovannetti
Keyword(s):  
Methylene Blue ◽  
Silver Nanoparticles ◽  
Raman Scattering ◽  
Vinyl Pyrrolidone ◽  
Sers Substrates ◽  
Vis Spectroscopy ◽  
Surface Enhanced Raman ◽  
One Step ◽  
Poly Vinyl Pyrrolidone ◽  
Hexagonal Nanoplates

In this work, we prepared different morphologies of silver nanoparticles: nanosphere, triangular nanoplates, hexagonal nanoplates, and quasi-spherical shapes, through one-step synthesis. Hydrogen peroxide was used as the oxidizing agent during the reduction of silver nitrate by sodium borohydride, in the presence of tri-sodium citrate and poly-vinyl-pyrrolidone. The obtained silver nanoparticles were fully characterized by UV-Vis spectroscopy, Dynamic Light Scattering and Scanning Electron Microscopy, and successfully used as Surface Enhanced Raman Scattering (SERS) substrates. The effect of shape and morphology on the Raman scattering enhancement was evaluated by using methylene blue as target molecules. The Raman measurements demonstrated that the prepared substrates are reliable and sensitive with analytical enhancement factors, estimated to be around 105 with a concentration of methylene blue 1 μM. When triangular and hexagonal nanoplates were tested with different concentrations of analyte, they demonstrated a good linearity in Raman intensity with a good detection of methylene blue 0.1 μM.

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