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(11)

EP 1 664 909 A1

(12)

(43) Date of publication: 07.06.2006 Bulletin 2006/23 (21) Application number: 04768637.3 (22) Date of filing: 27.09.2004

(51) International Patent Classification (IPC):  G02C 7/04(1968.09) G01N 21/77(1980.01) G01N 21/75(1980.01) G02B 1/04(1968.09) (86) International application number: PCT/GB2004/004093 (87) International publication number: WO 2005/031442 (07.04.2005 Gazette 2005/14)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 25.09.2003 GB 0322488 22.01.2004 GB 0401399 (71) Applicants: Smart Holograms Limited Cambridge CB2 1PD (GB) CAMBRIDGE UNIVERSITY TECHNICAL SERVICES LIMITED Cambridge CB2 1TS (GB)

(72) Inventors: LOWE, Christopher Robin Institute of Biotechnology Cambridge CB2 1PH (GB) KABILAN, Satyamoorthy Institute of Biotechnology Cambridge CB2 1PH (GB) BLYTH, Jeffrey Institute of Biotechnology Cambridge CB2 1PH (GB) DOMSCHKE, Angelika Duluth, GA 30097 (US) SMITH, Dawn Duluth, GA 30097 (US) KARANGU, Njeri Duluth, GA 30097 (US) (74) Representative: Perry, Robert Edward  Gill Jennings & Every LLP Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)