(19)

(11)

EP 4 217 746 A1

(12)

(43) Date of publication: 02.08.2023 Bulletin 2023/31 (21) Application number: 21794957.7 (22) Date of filing: 23.09.2021

(51) International Patent Classification (IPC):  G01N 33/574(2006.01) G01N 33/50(2006.01) (52) Cooperative Patent Classification (CPC): G01N 33/57407; G01N 33/5026 (86) International application number: PCT/IB2021/058693 (87) International publication number: WO 2022/064422 (31.03.2022 Gazette 2022/13)

(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: 24.09.2020 GB 202015122 25.09.2020 GB 202015211 (71) Applicant: Cytosystems Limited Aberdeen, Aberdeenshire AB15 8QH (GB)	(72) Inventors: FISCHER, Ida Aberdeen Aberdeenshire AB15 8QH (GB) YUECEL, Raif Exeter (GB) PERENYI, Peter Aberdeen Aberdeenshire AB15 8QH (GB) (74) Representative: Harrison IP Limited  3 Ebor House Millfield Lane Nether Poppleton, York YO26 6QY Nether Poppleton, York YO26 6QY (GB)