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Friday, 20 September 2019
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Raw materials & technologies, Technologies, Nanotechnology

Flexographic ink shows antibacterial activity with nano silver

Friday, 13 December 2013

The work of two Iranian researchers deals with the effects of incorporation of silver nanoparticles on the antibacterial and the thermal properties of a flexographic ink.

The flexographic ink showed antibacterial activity against Gram-positive and Gram-negative bacteria

Source: kimberly reinick - Fotolia.com

The flexographic ink showed antibacterial activity against Gram-positive and Gram-negative bacteria

Source: kimberly reinick - Fotolia.com

Maryam Ataeefarda, Institute for Color Science and Technology, and Samaneh Sharifib, Amirkabir University of Technology, confirmed the stable and uniform dispersion of silver nanoparticles in the ink by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The thermal properties of the pure and nanoparticle loaded ink films were also evaluated using TGA and DSC techniques.

Proving acceptable dispersion characteristics

The results from this study proved acceptable dispersion characteristics, wherein, the flexographic ink showed a significant antibacterial activity against Gram-positive and Gram-negative bacteria.

The study is published in: Progress in Organic Coatings, Volume 77, Issue 1, January 2014, Pages 118-123

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