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Where technology & law meet: Open Access research on data security & its regulation ...

Strathprints makes available Open Access scholarly outputs exploring both the technical aspects of computer security, but also the regulation of existing or emerging technologies. A research specialism of the Department of Computer & Information Sciences (CIS) is computer security. Researchers explore issues surrounding web intrusion detection techniques, malware characteristics, textual steganography and trusted systems. Digital forensics and cyber crime are also a focus.

Meanwhile, the School of Law and its Centre for Internet Law & Policy undertake studies on Internet governance. An important component of this work is consideration of privacy and data protection questions and the increasing focus on cybercrime and 'cyberterrorism'.

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Nafion - Tris(2-2'-bipyridyl)ruthenium(II) ultrathin Langmuir - Schaefer films: redox catalysis and electrochemiluminescent properties

Bertoncello, Paolo and Dennany, Lynn and Forster, Robert J. and Unwin, Patrick R. (2007) Nafion - Tris(2-2'-bipyridyl)ruthenium(II) ultrathin Langmuir - Schaefer films: redox catalysis and electrochemiluminescent properties. Analytical Chemistry, 79 (19). pp. 7549-7553. ISSN 0003-2700

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A simple procedure to incorporate tris(2-2'-bipyridyl)ruthenium(II), [Ru(bPY)(3)](2+), into Nafion Langmuir-Schaefer (LS) films is described. Nafion LS films (tens of nanometers thick) were formed on quartz glass and indium tin oxide (ITO) directly from Nafion-[Ru(bPY)(3)](2+) Langmuir films assembled at the water-air interface. This procedure allowed the direct incorporation of [Ru(bPY)(3)](2+) into Nafion films without the need for subsequent loading. UV-vis spectroscopy confirmed the successful incorporation of [Ru(bPY)(3)](2+) within the LS films and showed that the amount of [Ru(bPY)(3)](2+) immobilized in this way scaled with film thickness. Voltammetric studies on ITO-modified electrodes confirmed the successful incorporation of [Ru(bPY)(3)](2+) and demonstrated that [Ru(bPY)(3)](2+) was retained within the ultrathin films over a long time scale. These electrodes were tested for the electrocatalytic reduction of tripropylamine. Significant catalysis was observed due to the rapid turnover of [Ru(bPY)(3)](2+/3+) between the electrode surface and outer boundary of the film, as a direct consequence of the ultrathin film dimensions. Concomitant electrochemiluminescence (ECL) was demonstrated highlighting the potential of this material for sensing applications.