## Abstract We examined inhibitory effects of external multivalent cations Ni^2+^, Co^2+^, Cd^2+^, La^3+^, Mg^2+^, and Mn^2+^ on reverse‐mode exchange of the K^+^‐dependent Na^+^/Ca^2+^ exchanger NCKX2 and the K^+^‐independent exchanger NCX1 expressed in CCL‐39 cells by measuring the rate of Ca^2+^
Heterogeneity of cation-exchange sites for KCa exchange in aluminosilicates
✍ Scribed by K.W.T Goulding; O Talibudeen
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 667 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0021-9797
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The site of monovalent cation binding and sites of hydrogen of Na / ions the cation-binding site involves the Leu 10 , exchange between amide protons and water molecules in the gram-Leu 12 , and Leu 14 residues while the Trp 11 , Trp 13 , Gly 2 , icidin A and Phe-1 gramicidin A channels incorporated
## Abstract **BACKGROUND:** One of the most important heavy metals is Cr^3+^, which is commonly found together with Ca^2+^, Mg^2+^ and K^+^ ions in tannery wastewaters. Such metals can be removed through ion exchange process using zeolite NaX. Unfortunately, with single exchange mechanisms it is im