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EP 1 977 229 A1

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(43) Date of publication: 08.10.2008 Bulletin 2008/41 (21) Application number: 07705031.8 (22) Date of filing: 24.01.2007

(51) International Patent Classification (IPC):  G01N 29/02(2006.01) G01N 29/036(2006.01) G01N 29/42(2006.01) G01N 33/543(2006.01) G01N 29/024(2006.01) G01N 29/24(2006.01) B01L 3/00(2006.01) (86) International application number: PCT/GB2007/000260 (87) International publication number: WO 2007/085839 (02.08.2007 Gazette 2007/31)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 25.01.2006 GB 0601492 (71) Applicant: The Nottingham Trent University Nottingham NG11 8NS (GB)	(72) Inventors: HUGHES, David C. Beeston Nottingham NG9 2EG (GB) McHALE, Glen Nottingham NG8 2BP (GB) NEWTON, Michael, Ian Nottingham NG5 4EA (GB) (74) Representative: Elsy, David et al Withers & Rogers LLP Goldings House 2 Hays Lane London SE1 2HW London SE1 2HW (GB)