Proactive Release of Antimicrobial Essential Oil from a “Smart” Cotton Fabric
Two temperature and pH responsive submicron hydrogels based on poly(<i>N</i>- methylenebisacrylamide), chitosan and β-cyclodextrines (PNCS/CD hydrogel) with varying poly(<i>N</i>-isopropylacrylamide) to chitosan ratios were synthesized according to a simplified proce...
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doaj-45c19cd284464b32882df0581972a51c2020-11-25T00:58:53ZengMDPI AGCoatings2079-64122019-04-019424210.3390/coatings9040242coatings9040242Proactive Release of Antimicrobial Essential Oil from a “Smart” Cotton FabricDanaja Štular0Matic Šobak1Mohor Mihelčič2Ervin Šest3Ilija German Ilić4Ivan Jerman5Barbara Simončič6Brigita Tomšič7Department of Textiles, Graphic Arts and Design, Faculty of Natural Sciences and Engineering, University of Ljubljana, Aškerčeva 12, 1000 Ljubljana, SloveniaNational Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, SloveniaNational Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, SloveniaNational Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, SloveniaThe Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, SloveniaNational Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, SloveniaDepartment of Textiles, Graphic Arts and Design, Faculty of Natural Sciences and Engineering, University of Ljubljana, Aškerčeva 12, 1000 Ljubljana, SloveniaDepartment of Textiles, Graphic Arts and Design, Faculty of Natural Sciences and Engineering, University of Ljubljana, Aškerčeva 12, 1000 Ljubljana, SloveniaTwo temperature and pH responsive submicron hydrogels based on poly(<i>N</i>- methylenebisacrylamide), chitosan and β-cyclodextrines (PNCS/CD hydrogel) with varying poly(<i>N</i>-isopropylacrylamide) to chitosan ratios were synthesized according to a simplified procedure, reflecting improved stimuli responsive properties and excellent bio-barrier properties, granted by incorporated chitosan. Hydrogels were applied to cotton-cellulose fabric as active coatings. Subsequently, antimicrobially active savory essential oil (EO) was embedded into the hydrogels in order to develop temperature- and pH-responsive cotton-cellulose fabric with double antimicrobial activity, i.e., bio-barrier formation of chitosan along with the proactive release of savory EO at predetermined conditions. The influence of the hydrogels chemical composition on stimuli responsive and antibacterial properties were assessed. Both PNCS/CD hydrogels showed stimuli responsiveness along with controlled release of savory EO. The chemical composition of the hydrogels strongly influenced the size of the hydrogel particles, their temperature and pH responsiveness, and the bio-barrier forming activity. The increased concentration of chitosan resulted in superior overall stimuli responsiveness and excellent synergy between the antimicrobial activities of the hydrogel and released savory EO.https://www.mdpi.com/2079-6412/9/4/242antimicrobial activitychitosanessential oilssmart textilesstimuli-responsive hydrogelβ-cyclodextrin |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Danaja Štular Matic Šobak Mohor Mihelčič Ervin Šest Ilija German Ilić Ivan Jerman Barbara Simončič Brigita Tomšič |
spellingShingle |
Danaja Štular Matic Šobak Mohor Mihelčič Ervin Šest Ilija German Ilić Ivan Jerman Barbara Simončič Brigita Tomšič Proactive Release of Antimicrobial Essential Oil from a “Smart” Cotton Fabric Coatings antimicrobial activity chitosan essential oils smart textiles stimuli-responsive hydrogel β-cyclodextrin |
author_facet |
Danaja Štular Matic Šobak Mohor Mihelčič Ervin Šest Ilija German Ilić Ivan Jerman Barbara Simončič Brigita Tomšič |
author_sort |
Danaja Štular |
title |
Proactive Release of Antimicrobial Essential Oil from a “Smart” Cotton Fabric |
title_short |
Proactive Release of Antimicrobial Essential Oil from a “Smart” Cotton Fabric |
title_full |
Proactive Release of Antimicrobial Essential Oil from a “Smart” Cotton Fabric |
title_fullStr |
Proactive Release of Antimicrobial Essential Oil from a “Smart” Cotton Fabric |
title_full_unstemmed |
Proactive Release of Antimicrobial Essential Oil from a “Smart” Cotton Fabric |
title_sort |
proactive release of antimicrobial essential oil from a “smart” cotton fabric |
publisher |
MDPI AG |
series |
Coatings |
issn |
2079-6412 |
publishDate |
2019-04-01 |
description |
Two temperature and pH responsive submicron hydrogels based on poly(<i>N</i>- methylenebisacrylamide), chitosan and β-cyclodextrines (PNCS/CD hydrogel) with varying poly(<i>N</i>-isopropylacrylamide) to chitosan ratios were synthesized according to a simplified procedure, reflecting improved stimuli responsive properties and excellent bio-barrier properties, granted by incorporated chitosan. Hydrogels were applied to cotton-cellulose fabric as active coatings. Subsequently, antimicrobially active savory essential oil (EO) was embedded into the hydrogels in order to develop temperature- and pH-responsive cotton-cellulose fabric with double antimicrobial activity, i.e., bio-barrier formation of chitosan along with the proactive release of savory EO at predetermined conditions. The influence of the hydrogels chemical composition on stimuli responsive and antibacterial properties were assessed. Both PNCS/CD hydrogels showed stimuli responsiveness along with controlled release of savory EO. The chemical composition of the hydrogels strongly influenced the size of the hydrogel particles, their temperature and pH responsiveness, and the bio-barrier forming activity. The increased concentration of chitosan resulted in superior overall stimuli responsiveness and excellent synergy between the antimicrobial activities of the hydrogel and released savory EO. |
topic |
antimicrobial activity chitosan essential oils smart textiles stimuli-responsive hydrogel β-cyclodextrin |
url |
https://www.mdpi.com/2079-6412/9/4/242 |
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