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1. Anti-bacterial surfaces inspired by cicada and dragonfly wings Many surfaces found in nature possess sophisticated topographical structures which provide them with exceptional properties. Nano-structured surface of lotus leafs efficiently repel water, microscopic brushes of gecko fingers drastically increase the contact with surfaces, topographical structures provides for enhanced anti-reflection surface properties in insects. Self-cleaning ability of bio-surfaces enables them to prevent contamination by particles [...]...
2. Anti-bacterial surfaces inspired by cicada and dragonfly wings This is the first reported example of a naturally existing surface with a physical structure that exhibits such effective bactericidal properties. Cicada wing nanopillars are extremely effective at killing Pseudomonas aeruginosa cells; the wing surface was able to kill individual cells within approximately 3 min. This bactericidal ability of the wing surface is primarily a physico-mechanical effect, [...]...
3. Biophysical Model of Bacterial Cell Interactions with Nanopatterned Cicada Wing Surfaces S. Pogodin, J. Hasan, V.A. Baulin, H.K. Webb, V.K. Truong, T.H.P. Nguyen, V. Boshkovikj, C.J. Fluke, G.S. Watson, J.A. Watson, R.J. Crawford and E.P. Ivanova Biophys. J., 104 (4), 835-840 (2013) The nanopattern on the surface of Clanger cicada (Psaltoda claripennis) wings represents the first example of a new class of biomaterials that can kill bacteria [...]...
4. Natural Bactericidal Surfaces: Mechanical Rupture of Pseudomonas aeruginosa Cells by Cicada Wings Elena P. Ivanova, Jafar Hasan, Hayden K. Webb, Vi Khanh Truong, Gregory S. Watson, Jolanta A. Watson, Vladimir A. Baulin, Sergey Pogodin, James Y. Wang, Mark J. Tobin, Christian Löbbe, Russell J. Crawford Small, 8 (16), 2489 – 2494 (2012) Natural superhydrophobic surfaces are often thought to have antibiofouling potential due to their self-cleaning properties. However, when [...]...
5. Self-organised nanoarchitecture of titanium surfaces influences the attachment of Staphylococcus aureus and Pseudomonas aeruginosa bacteria Applied Microbiology and Biotechnology (2015) 99 (16), 6831-6840 DOI: 10.1007/s00253-015-6572-7 Vi K. Truong, Vy T. H. Pham, A. Medvedev, R. Lapovok, Y. Estrin, T. C. Lowe, V. Baulin, V. Boshkovikj, C. J. Fluke, R. J. Crawford, E. P. Ivanova The surface nanotopography and architecture of medical implant devices are important factors that can control the extent of bacterial attachment. The ability to prevent bacterial attachment [...]...