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Physicochemical and antibacterial properties of cotton fabric treated with chitosan-tripolyphosphate nanoparticles and lauric acid

Today, antibacterial treatment has become a prerequisite for textile goods used in hospitals, hotels, sports and personal care industries. Cotton is one of the most important natural fibers that is used extensively in textile industry. In this work, properties of cotton fabric treated with chitosan-...

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Main Author: Mamat, Siti Nur Hana
Format: Thesis
Language:English
Published: 2016
Subjects:
TS Manufactures
Online Access:http://eprints.utm.my/id/eprint/78559/1/SitiNurHanaMFChE2016.pdf
http://eprints.utm.my/id/eprint/78559/
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spelling my.utm.785592018-08-29T07:51:15Z http://eprints.utm.my/id/eprint/78559/ Physicochemical and antibacterial properties of cotton fabric treated with chitosan-tripolyphosphate nanoparticles and lauric acid Mamat, Siti Nur Hana TS Manufactures Today, antibacterial treatment has become a prerequisite for textile goods used in hospitals, hotels, sports and personal care industries. Cotton is one of the most important natural fibers that is used extensively in textile industry. In this work, properties of cotton fabric treated with chitosan-tripolyphosphate nanoparticles (CNPs) and lauric acid (LA) was studied. CNPs were prepared based on the ionic gelation of chitosan with tripolyphosphate anions. The pretreatment process of cotton fabric was performed using sodium hydroxide. Afterwards, the CNPs solution with the addition of LA was applied to the treated cotton fabric to give wider antibacterial effects. The physicochemical properties of the CNPs and treated cotton fabric were determined by size distribution, Fourier transform infrared analysis and field emission scanning electron microscopy analysis. The average size of CNPs obtained was 179.1 ± 82.45 nm at concentration of 0.1% chitosan (w/v). The morphology surface of CNPs revealed the particles were spherical and almost uniform. CNPs solution with the addition of 15% (w/v) LA was formulated to treat the cotton fabric by soaking the cotton fabric in the solution while stirring for two hours at 60 °C. The antibacterial activity of treated cotton fabric with CNPs and LA against Bacillus subtilis (Gram-positive bacteria) and Escherichia coli (Gram-negative bacteria) was evaluated by using agar diffusion and liquid culture test methods. Cotton fabric treated with CNPs and LA showed a good ability to inhibit bacteria reproduction with diameter of zone of inhibition of 2.03±0.09 cm for Escherichia coli and 2.27±0.07 cm for Bacillus subtilis. Results showed that CNPs incorporated with LA gave better inhibition toward tested bacteria compared to CNPs solely, with differences as much as 30% for Gram-negative bacteria and 71% for Gram-positive bacteria. 2016-10 Thesis NonPeerReviewed application/pdf en http://eprints.utm.my/id/eprint/78559/1/SitiNurHanaMFChE2016.pdf Mamat, Siti Nur Hana (2016) Physicochemical and antibacterial properties of cotton fabric treated with chitosan-tripolyphosphate nanoparticles and lauric acid. Masters thesis, Universiti Teknologi Malaysia, Faculty of Chemical Engineering. http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:105112
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TS Manufactures
spellingShingle TS Manufactures
Mamat, Siti Nur Hana
Physicochemical and antibacterial properties of cotton fabric treated with chitosan-tripolyphosphate nanoparticles and lauric acid
description Today, antibacterial treatment has become a prerequisite for textile goods used in hospitals, hotels, sports and personal care industries. Cotton is one of the most important natural fibers that is used extensively in textile industry. In this work, properties of cotton fabric treated with chitosan-tripolyphosphate nanoparticles (CNPs) and lauric acid (LA) was studied. CNPs were prepared based on the ionic gelation of chitosan with tripolyphosphate anions. The pretreatment process of cotton fabric was performed using sodium hydroxide. Afterwards, the CNPs solution with the addition of LA was applied to the treated cotton fabric to give wider antibacterial effects. The physicochemical properties of the CNPs and treated cotton fabric were determined by size distribution, Fourier transform infrared analysis and field emission scanning electron microscopy analysis. The average size of CNPs obtained was 179.1 ± 82.45 nm at concentration of 0.1% chitosan (w/v). The morphology surface of CNPs revealed the particles were spherical and almost uniform. CNPs solution with the addition of 15% (w/v) LA was formulated to treat the cotton fabric by soaking the cotton fabric in the solution while stirring for two hours at 60 °C. The antibacterial activity of treated cotton fabric with CNPs and LA against Bacillus subtilis (Gram-positive bacteria) and Escherichia coli (Gram-negative bacteria) was evaluated by using agar diffusion and liquid culture test methods. Cotton fabric treated with CNPs and LA showed a good ability to inhibit bacteria reproduction with diameter of zone of inhibition of 2.03±0.09 cm for Escherichia coli and 2.27±0.07 cm for Bacillus subtilis. Results showed that CNPs incorporated with LA gave better inhibition toward tested bacteria compared to CNPs solely, with differences as much as 30% for Gram-negative bacteria and 71% for Gram-positive bacteria.
format Thesis
author Mamat, Siti Nur Hana
author_facet Mamat, Siti Nur Hana
author_sort Mamat, Siti Nur Hana
title Physicochemical and antibacterial properties of cotton fabric treated with chitosan-tripolyphosphate nanoparticles and lauric acid
title_short Physicochemical and antibacterial properties of cotton fabric treated with chitosan-tripolyphosphate nanoparticles and lauric acid
title_full Physicochemical and antibacterial properties of cotton fabric treated with chitosan-tripolyphosphate nanoparticles and lauric acid
title_fullStr Physicochemical and antibacterial properties of cotton fabric treated with chitosan-tripolyphosphate nanoparticles and lauric acid
title_full_unstemmed Physicochemical and antibacterial properties of cotton fabric treated with chitosan-tripolyphosphate nanoparticles and lauric acid
title_sort physicochemical and antibacterial properties of cotton fabric treated with chitosan-tripolyphosphate nanoparticles and lauric acid
publishDate 2016
url http://eprints.utm.my/id/eprint/78559/1/SitiNurHanaMFChE2016.pdf
http://eprints.utm.my/id/eprint/78559/
http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:105112
_version_ 1643657935790800896
score 13.211869

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