In situ production of silver nanoparticle on cotton fabric and its antimicrobial evaluation |
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| Authors: | Reda M El-Shishtawy Abdullah M Asiri Nayera A M Abdelwahed Maha M Al-Otaibi |
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| Institution: | (1) Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia;(2) The Center of Excellence for Advanced Materials Research, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia;(3) Natural Products Division, National Research Centre, El-Behouth St. Dokki, Cairo, PO, 12622, Egypt |
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| Abstract: | An ecological and viable approach for the in situ forming silver nanoparticles (AgNPs) on cotton fabrics has been used. Silver
nanocoated fabric of brownish yellow color (AgNPs, plasmon color) was characterized by scanning electron microscopy (SEM),
energy-dispersive spectroscopy (EDS) and Fourier transform infrared spectroscopy (FTIR). SEM images revealed that the surface
of the modified cotton was rougher than that of normal cotton. In addition, SEM images showed the presence of AgNPs on the
surface of the treated fabric. Silver mapping and elemental analysis of the silver nanocoated cotton fabric using EDS confirmed
the presence of AgNPs in a homogeneous distribution. Also, FTIR spectra of silver nanocoated sample showed more intense and
broad peaks with a slight red shift if compared with those of blank sample indicating the binding of AgNPs with cellulose
macromolecules. Different coating levels and the impact of repeated washings have been evaluated against different microbial
strains by growth inhibition zone. The results of antimicrobial studies reveal that the presence of a low coating level of
nanosilver is enough for producing an excellent and durable antimicrobial cotton fabrics. |
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