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Nanodiamond promotes surfactant-mediated triglyceride removal from a hydrophobic surface at or below room temperature
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Cui, Xianjin, Liu, Xianping, Tatton, Andrew S., Brown, Steven P., Ye, Haitao and Marsh, Andrew (2012) Nanodiamond promotes surfactant-mediated triglyceride removal from a hydrophobic surface at or below room temperature. ACS Applied Materials & Interfaces, Vol.4 (No.6). pp. 3225-3232. doi:10.1021/am300560z ISSN 1944-8244.
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Official URL: http://dx.doi.org/10.1021/am300560z
Abstract
We demonstrate that ca. 5 nm nanodiamond particles dramatically improve
triglyceride lipid removal from a hydrophobic surface at room temperature using either
anionic or non-ionic surfactants. We prepare nanodiamond–surfactant colloids, measure their
stability by dynamic light scattering and use quartz crystal microbalance–dissipation, a
technique sensitive to surface mass, in order to compare their ability to remove surface–
bound model triglyceride lipid with ionic and non-ionic aqueous surfactants at 15–25 °C.
Oxidized, reduced, ω-alkylcarboxylic acid and ω-alkylamidoamine surface-modified adducts
are prepared, and then characterized by techniques including 13C cross polarisation (CP) magic-angle spinning (MAS) NMR. Clear improvement in removal of triglyceride was
observed in the presence of nanodiamond, even at 15 °C, both with nanodiamond – surfactant
colloids, and by prior nanoparticle deposition on interfacial lipid, showing that nanodiamonds
are playing a crucial role in the enhancement of the detergency process, providing unique
leads in the development of new approaches to low temperature cleaning.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry Faculty of Science, Engineering and Medicine > Engineering > Engineering Faculty of Science, Engineering and Medicine > Science > Physics |
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Library of Congress Subject Headings (LCSH): | Nanodiamonds, Detergents, Cleaning | ||||
Journal or Publication Title: | ACS Applied Materials & Interfaces | ||||
Publisher: | American Chemical Society | ||||
ISSN: | 1944-8244 | ||||
Official Date: | 27 June 2012 | ||||
Dates: |
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Volume: | Vol.4 | ||||
Number: | No.6 | ||||
Page Range: | pp. 3225-3232 | ||||
DOI: | 10.1021/am300560z | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Date of first compliant deposit: | 18 December 2015 | ||||
Date of first compliant Open Access: | 18 December 2015 | ||||
Funder: | Engineering and Physical Sciences Research Council (EPSRC), Procter & Gamble Company, Advantage West Midlands (AWM), European Regional Development Fund (ERDF), GlaxoSmithKline, Birmingham Science City | ||||
Grant number: | EP/H034269/1 (EPSRC) |
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