Adsorption Capability of Cationic Dyes (Methylene Blue and Crystal Violet) onto Poly-γ-glutamic Acid

被引：1
|
作者：
Ogata, Fumihiko [1 ]
Nagai, Noriaki [1 ]
Kawasaki, Naohito [1 ,2 ]
机构：
[1] Kindai Univ, Fac Pharm, 3-4-1 Kowakae, Osaka 5778502, Japan
[2] Kindai Univ, Antiaging Ctr, 3-4-1 Kowakae, Osaka 5778502, Japan
来源：
CHEMICAL & PHARMACEUTICAL BULLETIN | 2017年 / 65卷 / 03期
关键词：
poly-gamma-glutamic acid; cationic dye; methylene blue; crystal violet; BIOPOLYMER POLY(GAMMA-GLUTAMIC ACID); ARTIFICIAL NEURAL-NETWORK; AQUEOUS-SOLUTION; OPERATIONAL PARAMETERS; BIOLOGICAL TREATMENT; ACTIVATED CARBON; HEAVY-METALS; TEXTILE DYE; BASIC-DYES; REMOVAL;
D O I：
暂无
中图分类号：
R914 [药物化学];
学科分类号：
100701 ;
摘要：
In this study, the adsorption capability of cationic dyes, which were methylene blue and crystal violet, by poly-gamma-glutamic acid (PGA) in a single or binary solution system was investigated. The effect of the molecular weight of PGA, initial dye concentration, solution pH, and temperature on the adsorption of dyes was evaluated. The adsorption mechanism of dyes onto PGA was the interaction between -COOH group on the PGA surface and the polarity groups of dyes. These results indicated that PGA is useful for removal of dyes and cationic organic compounds from a single or binary solution system.
引用
收藏
页码：268 / 275
页数：8
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