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Antimicrobial coatings- hard surfaces and polymers
We have an interest in developing new antimicrobial coatings. This takes three forms- formation of hard photocatalytic surfaces (titania, tungsten oxide) that incorporate metal nanoparticles; formation of polymers with embedded light activated antimicrobial agents and formation of very hydrophobic surfaces. We have shown that silver can be embedded in titania coatings in the form of silver oxide and that the enhanced antimicrobial response comes from stabilisation of the photogenerated hole and electron. We have shown that light activated antimicrobials can be incorporated into polymers and that they have significant antimicrobial reponse. We have also made very hydrophobic surfaces where water droplets spin – rather than run across the surface, the spinning action promotes self – cleaning.
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Status: Active
University College London - Gower Street - London - WC1E 6BT Tel:+44 (0)20 7679 2000

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