Synthesis and Characterization of Nano Ag End Capped L-Cysteine Bridged Diblock Copolymer

M. Jeyapriya; B. Meenarathi; L. Kannammal; S. Palanikumar; R. Anbarasan

doi:10.1007/s10118-015-1688-x

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Synthesis and Characterization of Nano Ag End Capped L-Cysteine Bridged Diblock Copolymer

PAPER | Updated：2021-06-21

- Synthesis and Characterization of Nano Ag End Capped L-Cysteine Bridged Diblock Copolymer
- Chinese Journal of Polymer Science Vol. 33, Issue 10, Pages: 1404-1420(2015)
- Affiliations：
  
  Department of Polymer Technology, Kamaraj College of Engineering and Technology, Virudhunagar 626001, Tamilnadu, India
- Author bio：
  
  *R. Anbarasan, E-mail: anbu_may3@yahoo.co.in
- Funds：
- DOI：10.1007/s10118-015-1688-x
  CLC：
- Received：18 March 2015，
  
  Revised：2015-04-18，
  
  Accepted：21 April 2015，
  
  Published：2015-10
- Accepted：
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M. Jeyapriya, B. Meenarathi, L. Kannammal, et al. Synthesis and Characterization of Nano Ag End Capped L-Cysteine Bridged Diblock Copolymer[J]. Chinese Journal of Polymer Science, 2015, 33(10): 1404-1420.
DOI：

M. Jeyapriya, B. Meenarathi, L. Kannammal, et al. Synthesis and Characterization of Nano Ag End Capped L-Cysteine Bridged Diblock Copolymer[J]. Chinese Journal of Polymer Science, 2015, 33(10): 1404-1420. DOI： 10.1007/s10118-015-1688-x.

摘要

Abstract

The target of the present investigation is synthesis and characterization of an amphiphilic diblock copolymer with antibacterial property. Ring opening polymerization (ROP) of

-caprolactone (CL) and tetrahydrofuran (THF) was carried out under inert atmosphere by using L-cysteine as a bridging agent in the presence of stannous octoate (SO) as a catalyst. The nano silver end capped diblock copolymer was synthesized by

in situ

method. Thus obtained nano silver end capped L-cysteine bridged diblock copolymer was characterized by various analytical methods like Fourier transform infrared (FTIR) spectroscopy

nuclear magnetic resonance (NMR) spectroscopy

circular dichroism (CD)

fluorescence spectroscopy

gel permeation chromatography (GPC)

X-ray photoelectron spectroscopy (XPS)

thermogravimetric analysis (TGA)

differential scanning calorimetry (DSC)

field emission scanning electron microscopy (FESEM)

high resolution transmission electron microscopy (HRTEM) and zeta potential. The antimicrobial property of the nano silver end capped diblock copolymer against e-coli was tested.

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