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Multifunctional Mesoporous Carbon Capsules and their Robust Coatings for Encapsulation of Actives: Antimicrobial and Anti-bioadhesion Functions
KTH, School of Engineering Sciences (SCI), Mechanics, Fluid Physics. KTH, School of Chemical Science and Engineering (CHE), Centres, Wallenberg Wood Science Center.
2017 (English)In: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 9, no 23, 19371-19379 p.Article, review/survey (Refereed) Published
Abstract [en]

We present the synthesis and applications of multifunctional hollow porous carbon spheres with well-ordered pore architecture and ability to encapsulate functional nanoparticles. In the present work, the applications of hollow mesoporous carbon capsules (HMCCs) are illustrated in two different contexts. In the first approach, the hollow capsule core is used to encapsulate silver nanoparticles to impart antimicrobial characteristics. It is shown that silver-loaded HMCCs (concentration ?100 μg/mL) inhibit the growth and multiplication of bacterial colonies of Escherichia coli (Gram-negative) and Staphylococcus aureus (Gram-positive) up to 96% and 83%, respectively. In the second part, the fabrication of hierarchical micro- and nanostructured superhydrophobic coatings of HMCCs (without encapsulation with silver nanoparticles) is evaluated for anti-bioadhesion properties. Studies of protein adsorption and microorganism and platelet adhesion have shown a significant reduction (up to 100%) for the HMCC-based superhydrophobic surfaces compared with the control surfaces. Therefore, this unique architecture of HMCCs and their coatings with the ability to encapsulate functional materials make them a promising candidate for a variety of applications.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2017. Vol. 9, no 23, 19371-19379 p.
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-210277DOI: 10.1021/acsami.6b07831ISI: 000403631300003Scopus ID: 2-s2.0-85020788610OAI: oai:DiVA.org:kth-210277DiVA: diva2:1118270
Note

QC 20170630

Available from: 2017-06-30 Created: 2017-06-30 Last updated: 2017-07-11Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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