Green synthesis of silver nanoparticles and their application to cotton fabricsby A. Hebeish, M.K. El-Bisi, A. El-Shafei

International Journal of Biological Macromolecules

About

Year
2015
DOI
10.1016/j.ijbiomac.2014.10.028
Subject
Molecular Biology / Structural Biology / Biochemistry

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Text

International Journal of Biological Macromolecules 72 (2015) 1384–1390

Contents lists available at ScienceDirect

International Journal of Biological Macromolecules j ourna l ho me pa g e: www.elsev ier .com/ locate / i jb iomac

Green synthesis of silver nanoparticles and their fabrics

A. Hebeis

National Resea a r t i c l

Article history:

Received 22 Se

Received in re

Accepted 20 O

Available onlin

Keywords:

Polyethylene g

Nanoparticles

Cotton fabric

Antimicrobial of silv lene g both harac n elec ane t tion valua , tens ated her P 1. Introduction

The inhibitory and bacterial effects of silver nanoparticles (AgNPs) we activity of s reduction o bacteria col organisms o treatment [ mer blends due to its w aqueous me ity properti [10]. In seve longer chai higher stab agglomerat sensitive to

Chemica because of i and its abil ∗ Correspon

Cairo, Egypt. T

E-mail add these chemical synthesis methods employ toxic chemicals in the synthesis route which may have adverse effect in the medical application and hazard to environment. Therefore, preparation of http://dx.doi.o 0141-8130/© re recognized since the past decades [1]. Antibacterial ilver containing materials can be applied in medicine for f infections on the burn treatment [2,3], prevention of onization on catheters [4,5] and elimination of micron the textile fabrics [6,7] as well as disinfection in water 8]. Polyethylene glycol (PEG) is frequently used in polyproduction to improve the biocompatibility of its film ide range of molecular weights, excellent solubility in dium, low toxicity, chain flexibility and biocompatibiles [9] PEG was able to act both as reducing and stabilizer ral research studies [11,12] researchers proposed that n of PEG exhibits high reducing activity and provides ility in forming AgNPs. These can effectively prevent ion of AgNPs. The reducing reactivity of PEG is very its molecular weight. l reduction method is widely used to synthesize AgNPs ts readiness to generate AgNPs under gentle conditions ity to synthesize AgNPs on a large scale [13]. However, ding author at: Textile Division, National Research Centre, Tahrir St, el.: +20 233371433; fax: +20 237832757. ress: mayamira2001@yahoo.com (A. El-Shafei).

AgNPs by green synthesis approach has advantages over physical and chemical approaches as it is environment-friendly and cost effective in addition to the fact that the conditions of high temperature, pressure, energy and toxic chemicals are not required in the synthesis protocol [14].

Current work is undertaken with a view to establish a green strategy for synthesis of AgNPs which are suitable for functionalization of cotton fabrics. The strategy is based on utilization of sugar as reductant and PEG as stabilizer. Variation in the formation of AgNPs as well as in their size, shape and size distribution by

PEG molecular weight and concentration of both AgNO3 and sugar – were assessed using UV–vis and TEM. Application of AgNPs colloidal solution to cotton fabrics in presence of BTCA crosslinking agent and SHP catalyst is made and, functionalization of the fabrics brought about by such application is determined using SEM, crease recovery angle, tensile strength and antimicrobial activity. 2. Experimental 2.1. Materials

Silver nitrate and polyethylene glycol (PEG) with different molecular weight were purchased from Aldrich and used without rg/10.1016/j.ijbiomac.2014.10.028 2014 Elsevier B.V. All rights reserved.h, M.K. El-Bisi, A. El-Shafei ∗ rch Center, Textile Research Division, Dokki, Cairo, Egypt e i n f o ptember 2014 vised form 16 October 2014 ctober 2014 e 25 October 2014 lycol activity a b s t r a c t

Herein we present a green synthesis and the stabilizing action of polyethy weight of PEG and concentrations of mization. Thus obtained AgNPs were c of AgNPs formation and, Transmissio

AgNPs were applied with 1,2,3,4-but as a catalyst to cotton fabric. Applica technique. The treated fabrics were e scanning electron microscopy (SEM) say of antimicrobial activity of the tre weight 2000 is the best among the otapplication to cotton er nanoparticles (AgNPs) under the reducing action of sugar lycol (PEG). Factors affecting the synthesis notably molecular sugar and silver nitrate were examined for the sake of optiterized, by ultraviolet–visible (UV–vis) spectra for estimation tron microscopy (TEM) for determination of size and shape. etracarboxylic acid (BTCA) and sodium hypophosphite (SHP) was performed according to the conventional pad-dry-cure ted via monitoring morphological changes of the fibers using ile strength and crease recovery angles in addition to bioasfabrics. Research output disclosed that PEG having molecular

EG used. © 2014 Elsevier B.V. All rights reserved.

A. Hebeish et al. / International Journal of Biological Macromolecules 72 (2015) 1384–1390 1385 further purification. Sodium hydroxide, 1,2,3,4-butane tetracarboxylic acids (BTCA) and sodium hypophosphite (SHP) were of laboratory grade. Sugar cane was purchased. Mill desized, scoured and bleached cotton fabric was supplied by El-Nasr Company for spinning, weaving and Dyeing El-Mahallah El-Kubra, Egypt. 2.2. Synthe

Silver na and the sug glycol (with were prepa (with differ in 90 ml dis trations (0.0 tion of sodi was comple at 80 ◦C. Dif solution we sugar under precede, the yellow. The tion of silve prepared so spectra to c 2.3. Treatm

The prep were incorp boxylic acid

In the first m tion contain fabric was this end, fab 160 ◦C for 3

In the se formulation centrations drying at 8

Fabric samp oughly was various cha 2.4. Charac 2.4.1. Ultra

UV–vis s formation absorption describes the collective excitation of conductive electrons in a metal. AgNPs embedded in PEG were recorded in spectra 50 ANALYTIKA JENA SPECTROPHOTOMETER from 300 to 550. Distilled water was used as the blank. 2.4.2. Transmission electron microscopy (TEM)