(19)

(11)

EP 3 669 168 A1

(12)

(43) Date of publication: 24.06.2020 Bulletin 2020/26 (21) Application number: 18759701.8 (22) Date of filing: 17.08.2018

(51) International Patent Classification (IPC):  G01N 15/08(2006.01) G01N 21/75(2006.01) G01N 21/59(2006.01) (86) International application number: PCT/GB2018/052336 (87) International publication number: WO 2019/034888 (21.02.2019 Gazette 2019/08)

(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 Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 18.08.2017 GB 201713262 (71) Applicant: Oxford University Innovation Limited Oxford, Oxfordshire OX2 0JB (GB)	(72) Inventors: ASSENDER, Hazel Oxford OX1 3PH (GB) SIM, Ashley Te Xiang Oxford OX1 3PH (GB) TOBIN, Vincent Oxford OX1 3PH (GB) (74) Representative: HGF Limited  8th Floor 140 London Wall London EC2Y 5DN London EC2Y 5DN (GB)