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Unique property of cyanine dyes on charged poly(l-lysine)

โœ Scribed by Masaaki Shibata; Hirotaka Ihara; Chuichi Hirayama

Book ID
103355022
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
199 KB
Volume
34
Category
Article
ISSN
0032-3861

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Helix โ†’ ฮฒ conformational transition of p
Helix โ†’ ฮฒ conformational transition of poly(L-lysine) on dye binding
โœ P. V. Scaria; M. Atreyi; M. V. R. Rao ๐Ÿ“‚ Article ๐Ÿ“… 1986 ๐Ÿ› Wiley (John Wiley & Sons) ๐ŸŒ English โš– 490 KB

Binding of an azo dye, 4'-dimethyl amino azo benzene-4-carboxylic acid (DAAC) to poly(L-lysine) (PLL) in basic aqueous solutions at 20ยฐC has been studied. The azo dye was found to bind to PLL when its side-chain amino groups are in the uncharged state. This was found to be a cooperative phenomenon,