polyanion


Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to polyanion: Polycation

pol·y·an·i·on

(pol'ē-an'ī-on),
Anionic sites on proteoglycans in the renal glomeruli that restrict filtration of anionic molecules and facilitate filtration of cationic proteins; loss of polyanion may cause albuminuria in lipoid nephrosis.

pol·y·an·i·on

(pol'ē-an'ī-on)
Anionic sites on proteoglycans in the renal glomeruli that restrict filtration of anionic molecules and facilitate filtration of cationic proteins; loss of polyanion may cause albuminuria in lipoid nephrosis.
References in periodicals archive ?
Thus it is evident that acridine orange, being a rigid planar cationic dye and hence a small distance between the adjacent anionic sites on the polyanion will be more favorable for binding resulting in stacking arrangement.
The early-generation microbicide candidates were either surfactants or polyanions.
Selective interactions of polyanions with basic surfaces on human immunodeficiency virus type 1 gp120.
xH2O, with M2+ = Sr and x = 4 and contains n[B6O9(OH)2]2- polyanions [3].
Regulation of alternative pathway complement activation by glycosaminoglycans: specificity of the polyanion binding site on factor H.
7) Serum total cholesterol, Triglyceride (TG) and High Density Lipoprotein (HDL) were assayed by Cholesterol Oxidase-Peroxidase (CHOD-PAP), Glycerol-3-Phosphate Oxidase (GPO) and polyanion precipitation methods respectively using semi-autoanalyzer.
HDL-C was measured by a homogeneous method that used polymer and polyanion together to block the non-HDL lipoproteins.
The PAN/PET substrate was immersed (a) in the polyanion solution (ALG [Sinopharm Chemical Reagent]: 10 g/L, glycerol [Beijing Chemical Works]: 30 ml/L), because the PAN/PET membrane was lightly positively charged after electrospinning; (b) in deionized water for removing excess polyelectrolyte molecules; (c) in the polycation solution (CHI [Sinopharm Chemical Reagent]: 10 g/L, acetic acid [Beijing Chemical Works]: 10 ml/L, glycerol: 30 ml/L); (d) in deionized water again.
Enzymatic determination of cholesterol in high-density lipoprotein fractions prepared by polyanion precipitation.
High density lipoprotein cholesterol (HDL-C) was determined using cholesterol esterase method following selective precipitation of Apolipoproteins B containing lipoproteins with a polyanion solution.
Rapid method of isolation of lipoprotein from human serum by precipitation with polyanion.