Patent SG-11201900782U-A (SG)
Title: Inorganic ion detection system and methods
Inventor: BREADMORE MICHAEL CHARLES
IPC: G01N30/02
Filed: 2017-08-15
Abstract: lops' A 1 \ j 3 10 7 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 22 February 2018 (22.02.2018) WIPO I PCT omit °nolo olll minim! °nom oimIE (10) International Publication Number WO 2018/032043 Al (51) International Patent Classification: GO1N 27/447 (2006.01) BO1J 20/281 (2006.01) G01N 30/02 (2006.01) (21) International Application Number: PCT/AU2017/050861 (22) International Filing Date: 15 August 2017 (15.08.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 2016903232 15 August 2016 (15.08.2016) AU 2017902304 16 June 2017 (16.06.2017) AU (71) Applicant: UNIVERSITY OF TASMANIA [AU/AU]; Churchill Avenue, Sandy Bay, Tasmania 7001 (AU). (72) Inventors: BREADMORE, Michael Charles; c/o Dir. Business Development & Technology Transfer, Universi- ty of Tasmania, Private Bag 3, Sandy Bay, Tasmania 7001 (AU). ZAKARIA, Philip James Charles; 861 Sandy Bay Road, Sandy Bay, Tasmania 7005 (AU). BLANCO-HER- AS, Gustavo; 4/4 I. Calle San Jorge, 15002 PC A Comfia (ES). (74) Agent: GRIFFITH HACK; GPO Box 1285, Melbourne, Victoria 3001 (AU). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: with international search report (Art. 2 I (3)) (54) Title: INORGANIC ION DETECTION SYSTEM AND METHODS Capillary (9/8) Capillary (8/8) Capillary (7/8) Capillary (6/8) Capillary (31/7) Capillary (3017) Capillary (2717) Capillary (26/7) 20 1 Figure 9 25 30 35 Time (sec) 11 40 45 (57) : A system for the separation and detection of inorganic anions in a sample, the system comprising: • a separation channel with an inner coating of three or more alternating layers of a cationic polymer (e.g. hexadimethine bromide) and an anionic polymer (e.g. polystyrene sulfonate), wherein the first layer and the final layer are cationic polymer layers; • a detector for detecting inorganic anions that pass through a detection zone of the separation channel; • an injection system for injecting fluids including sample solutions and background electrolyte into an inlet end of the separation channel; wherein the background electrolyte comprises polyethyleneimine. Also described are corresponding methods, separation capillaries and cartridges for use in the system.