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||Welcome and Introduction - Gloria Laycock, UCL Jill Dando Institute of Crime Science
||Professor D A Russell, University of East Anglia
Fred Rowell, ROAR Particles plc - ‘Latent Fingerprint Identification and Substance Characterisation through Nanoparticle Enhanced Mass Spectroscopy’
- Hydrophobic silica nano- and micro-particles can be used to "dust" latent fingerprints.
- Developed prints can be lifted using commercial tape and
bound residues identified using mass spectrometry.
- This process identifies not only skin residues, but also the presence of drugs and other substances.
Dr Melanie Webb, Surrey Ion Beam Centre, University of Surrey - ‘Analysis of Forensic Samples using Ion Beams’
- Ion beam analysis is a group of
techniques which can be used to study forensic materials
on a nanometric scale.
- These techniques can be used for trace element analysis such as the presence of poisons in hair samples and the composition of inks on bank notes.
Professor Peter Fielden, University of Manchester - ‘Microfabricated polymer lab-on-a-chip devices for inorganic explosives detection’
Adrian Burden, Singular ID - ‘Micro and Nanotechnology for Brand Security’
- Counterfeit products, manufacturing overruns and product diversion significantly reduce brand owners' profits and can create a serious health and safety concern for consumers.
- A variety of material-based technologies can be deployed to help prevent these problems, ranging from covert markers to overt tags. In some cases, nanotechnology can be applied to enhance the levels of security and thwart the criminals.
- This presentation will survey a number of technologies, and provide some background to Singular ID's approach of using very small and complex magnetic features to give products their own unique "fingerprint".
|Chair - Gloria Laycock, UCL Jill Dando Institute of Crime Science
||Professor D K Arvind, University of Edinburgh - ‘Speckled Computing’
Dr Neil Wright, C-Tech Innovation Ltd - ‘Nanosecure - a European Research Project on Nanotechnology for Improved Public Security’
involves 26 partners and is funded by the EC for four years
under Framework Programme 6.
- It focuses on nanotechnologies for both sensing and detoxification of a variety of key airborne substances.
- These nanotechnologies will be
systems that can be deployed in public buildings to provide security against surprise attack from toxic agents, and to facilitate the detection of drugs and explosives.
Dr Simon Aldridge, University of Oxford - ‘Chemical Sensors for Chemical Warfare Agents’
- Rapid and sensitive detection of chemical warfare agents such as Sarin gas is a crucial element of anti-terrorism.
- This research exploits the highly selective binding of such agents by colour-responsive molecular complexes.
- By fine-tuning these chemical sensors both the response time and colour change can be dramatically enhanced.
||Professor Steve Haswell, University of Hull - ‘Development of Lab on a Chip Technology for Forensic Analysis’
- Lab on a chip as a forensic tool has the advantage of rapid and controlled chemistry for the characterisation of different substances (e.g. scene of crime DNA profiling).
- However, the
integration of processes and systems brings conflicts and compromises.
- Realising the lab on a chip challenge will change the modus operandi of crime prevention and detection.
Dr Benjamin Horrocks, University of Newcastle upon Tyne - ‘Nanoparticles with Dual "Fingerprints" for Security Tagging’
- Quantum dots are nanosized crystals which fluoresce at a specific wavelength of light that is determined by their size and chemical composition.
- Other interesting chemical complexes can be added to their surfaces giving them functionality and a second “fingerprint”.
- The presence of the fluorescent and surface (Raman) fingerprint allows more “information” to be encoded by such nanoparticles.
- The ease of chemical synthesis on these nanoparticles facilitates a range of labelling and tagging applications (security, biology).
||Professor Jeroen van den Hoven, TU Delft - ‘Nanotechnology, Security and Ethics’
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