(19)

(11)

EP 1 831 687 A2

(12)

(88) Date of publication A3: 05.10.2006 (43) Date of publication: 12.09.2007 Bulletin 2007/37 (21) Application number: 05822908.9 (22) Date of filing: 23.12.2005

(51) International Patent Classification (IPC):  G01N 33/49(2006.01) G01N 11/16(2006.01) (86) International application number: PCT/GB2005/005076 (87) International publication number: WO 2006/067504 (29.06.2006 Gazette 2006/26)

(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: 24.12.2004 GB 0428386 (71) Applicant: UNIPATH LIMITED Bedford, MK44 3UP (GB)	(72) Inventors: DJENNATI, Nasr-Eddine Timperley, Altrincham WA15 7NU (GB) FULLER, John Glen Quaich, Amulree PH8 0DB (GB) (74) Representative: Roberts, Gwilym Vaughan et al Kilburn & Strode 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)