(19)

(11)

EP 2 545 366 A1

(12)

(43) Date of publication: 16.01.2013 Bulletin 2013/03 (21) Application number: 11719034.8 (22) Date of filing: 09.03.2011

(51) International Patent Classification (IPC):  G01N 27/48(2006.01) G01N 33/487(2006.01) (86) International application number: PCT/GB2011/000360 (87) International publication number: WO 2011/110825 (15.09.2011 Gazette 2011/37)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 09.03.2010 GB 201003886 (71) Applicant: UNIVERSITY OF LEEDS Leeds LS2 9JT (GB)	(72) Inventors: NELSON, Andrew, Lawrence Leeds LS2 9JT (GB) VAKOUROV, Alexander Leeds LS2 9JT (GB) (74) Representative: Atkinson, Peter Birch  Marks & Clerk LLP 1 New York Street Manchester, M1 4HD Manchester, M1 4HD (GB)