Khan, S. A., Ahmad, A., Khan, M. I., Yusuf, M., Shahid, M. , Manzoor, N. and Mohammad, F. (2012) Antimicrobial activity of wool yarn dyed with Rheum emodi L. (Indian Rhubarb). Dyes and Pigments, 95(2), pp. 206-214. (doi: 10.1016/j.dyepig.2012.04.010)
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Abstract
This work is an attempt to examine the effect of Rheum emodi L. as dye and its dyed wool yarns against two bacterial (Escherichia coli and Staphylococcus aureus) and two fungal (Candida albicans and Candida tropicalis) species. The dyeing was carried out using 5% and 10% o.w.f. dye concentration in presence and absence of ferrous sulphate, stannous chloride and alum mordants. The colour strength, CIELab values and fastness properties of dyed samples were also assessed. FTIR spectra of untreated, mordanted and dyed wool yarn were investigated to study the interaction between fibre, mordant and dye. The structural morphology of wool yarn was investigated by Scanning Electron Microscopy (SEM). The susceptibility tests for R. emodi L. were carried out in terms of disc diffusion, growth curve and viability assays against all the tested microorganisms. Dyed samples showed very effective antimicrobial properties showing more than 90% microbial reduction in both bacterial as well as fungal population.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Shahid, Dr Mohammad |
| Authors: | Khan, S. A., Ahmad, A., Khan, M. I., Yusuf, M., Shahid, M., Manzoor, N., and Mohammad, F. |
| College/School: | College of Arts & Humanities > School of Culture and Creative Arts > History of Art |
| Journal Name: | Dyes and Pigments |
| Publisher: | Elsevier |
| ISSN: | 0143-7208 |
| ISSN (Online): | 1873-3743 |
| Published Online: | 04 May 2012 |
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