Biosorption of Metal Ions by Seaweed Alginate, Polyguluronate, and Polymannuronate

Jung, Dae-Young; Son, Chang-Woo; Kim, Sung-Koo; Kim, Yi-Joon; Chung, Chong-Pyoung; Lee, Jin Woo

doi:10.5352/jls.2009.19.5.553

Journal of Life Science

2009

DOI: 10.5352/jls.2009.19.5.553

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Biosorption of Metal Ions by Seaweed Alginate, Polyguluronate, and Polymannuronate

Dae-Young Jung¹,

Chang-Woo Son²,

Sung-Koo Kim³

et al.

Abstract: , bound to 1g of polyguluronate, were 354.5±26.5, 177.6±8.7, 1,288.6±60.1, 424.0±7.4, and 140.2±28.5 mg, respectively, whereas those bound to 1 g of polymannuronate were 329.0±10.3, 206.9±1.9, 1,635.6±11.1, 419.8±12.6, and 251.0±49.1 mg, respectively. Due to its higher solubility than alginate and higher affinity for metal ions than polyguluronate, polymannuronate can be used for bioremediation or biosorption of toxic and/or noble metal ions.

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Cited by 2 publications

References 26 publications

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The Optimal Production and Characteristics of an Alginate-degrading Enzyme from Vibrio sp. PKA 1003

Kim¹,

Kim²,

Kim³

et al. 2013

Journal of the Korean Society of Food Science and Nutrition

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This study was conducted to screen the characteristics and alginate-degrading activity of marine bacterium isolated from brown seaweed (Sargassum thunbergii). The results of 16S ribosomal RNA sequence analysis the strain the genus Vibrio and the strain was subsequently named Vibrio sp. PKA 1003. The optimum culture conditions for the growth of Vibrio sp. PKA 1003 were at pH 7, 3% NaCl, 25 o C, and 6% alginic acid, with a 48-hour incubation time. A crude enzyme preparation from Vibrio sp. PKA 1003, showed its highest levels of alginate-degradation activity when cultured at pH 9, 30 o C, and 6% alginic acid, with a 63-hour incubation time. Thin layer chromatography analyses confirmed that the crude enzyme released monomers or oligomers from sodium alginate, and results from trypsin treatment showed that the alginate degrading activity depends on this enzyme produced by Vibrio sp. PKA 1003. These results suggest that Vibrio sp. PKA 1003 and its alginatedegrading crude enzyme is useful for the production of alginate oligosaccharides.

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The Optimal Production and Characteristics of an Alginate-degrading Enzyme from Vibrio sp. PKA 1003

Kim¹,

Kim²,

Kim³

et al. 2013

Journal of the Korean Society of Food Science and Nutrition

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Lead Adsorption by Carboxylated Alginic Acid and Its Application in Cleansing Cosmetics

Park¹,

Jang²,

Кадникова³

et al. 2010

Korean Journal of Fisheries and Aquatic Sciences

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This study investigated lead adsorption by carboxylated alginic acid and its application in cleansing cosmetics. Carboxylated alginic acid showed the highest lead adsorptivity after oxidation in a 4-6 mM hydrogen peroxide solution at 20-30℃ for 30-40 min. Carboxylated alginic acid adsorbed 648.1±2.8-653.0±2.9 mg/g of lead dry mass at pH 4-6. Carboxylated alginic acid modified by hydrogen peroxide and potassium permanganate adsorbed 651.3±3.8 and 639.9±4.0 mg/g of lead dry mass, respectively. Carboxylated alginic acid showed higher lead adsorptivity after modification by hydrogen peroxide than by potassium permanganate, with an increase of ~30% compared with raw alginic acid. To access the potential application of carboxylated alginic acid in cleansing cosmetics, we investigated the lead adsorptivity, conditions of the cosmetics procedure, and cytotoxicity of various concentrations of cleansing cosmetics added to 5% carboxylated alginic acid. The ideal cosmetic concentrations combined with 5% carboxylated alginic acid were 70% for peeling gel, 20% for massage cream, 20% for foam cleansing and 40% for cleansing cream. There was no cytotoxicity in cleansing cosmetics combined with 5% carboxylated alginic acid.

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Biosorption of Metal Ions by Seaweed Alginate, Polyguluronate, and Polymannuronate

Cited by 2 publications

References 26 publications

The Optimal Production and Characteristics of an Alginate-degrading Enzyme from Vibrio sp. PKA 1003

The Optimal Production and Characteristics of an Alginate-degrading Enzyme from Vibrio sp. PKA 1003

Lead Adsorption by Carboxylated Alginic Acid and Its Application in Cleansing Cosmetics

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