US 12,442,790 B2
Fast and effective conditioning solution for neutral capillary used in capillary isoelectric focusing
Ingrid Cruzado-Park, Pomona, CA (US)
Assigned to DH Technologies Development Pte. Ltd., Singapore (SG)
Appl. No. 18/043,358
Filed by DH Technologies Development Pte. Ltd., Singapore (SG)
PCT Filed Aug. 25, 2021, PCT No. PCT/IB2021/057798
§ 371(c)(1), (2) Date Feb. 28, 2023,
PCT Pub. No. WO2022/049458, PCT Pub. Date Mar. 10, 2022.
Claims priority of provisional application 63/074,233, filed on Sep. 3, 2020.
Prior Publication US 2023/0324333 A1, Oct. 12, 2023
Int. Cl. G01N 27/447 (2006.01); C08K 5/09 (2006.01); C08L 71/02 (2006.01)
CPC G01N 27/44747 (2013.01) [C08K 5/09 (2013.01); C08L 71/02 (2013.01); G01N 27/44795 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A method of improving capillary isoelectric focusing (cIEF) robustness or performance, the method comprising preparing a neutral capillary using an acidic high polymer composition comprising about 1.0% (w/v) polymer and about 4% (v/v) carboxylic acid, wherein the polymer has a molecular weight of at least about 900,000 Daltons.