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Natural carriers in bioremediation: A review Electron. J. Biotechnol.
Dzionek,Anna; Wojcieszyńska,Danuta; Guzik,Urszula.
Bioremediation of contaminated groundwater or soil is currently the cheapest and the least harmful method of removing xenobiotics from the environment. Immobilization of microorganisms capable of degrading specific contaminants significantly promotes bioremediation processes, reduces their costs, and also allows for the multiple use of biocatalysts. Among the developed methods of immobilization, adsorption on the surface is the most common method in bioremediation, due to the simplicity of the procedure and its non-toxicity. The choice of carrier is an essential element for successful bioremediation. It is also important to consider the type of process ( n s tu or ex s tu), type of pollution, and properties of immobilized microorganisms. For these reasons,...
Tipo: Journal article Palavras-chave: Adsorption; Bioethanol production; Contamination; Heavy metals; Immobilization; Immobilized microorganisms; Natural carriers; Wine alterations; Wood barrels; Xenobiotics.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582016000500008
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Enhancement of biodegradation potential of catechol 1,2-dioxygenase through its immobilization in calcium alginate gel Electron. J. Biotechnol.
Guzik,Urszula; Hupert-Kocurek,Katarzyna; Marchlewicz,Ariel; Wojcieszynska,Danuta.
Background In biodegradation processes free enzymes often undergo deactivation. Thus, it is very important to obtain highly stable enzymes by different methods. Immobilization allows for successful stabilization of many multimeric enzymes by increasing the rigidity of the enzyme structure. This study aimed to evaluate some environmental factors that affect catechol 1,2-dioxygenase from Stenotrophomonas maltophilia KB2 immobilized in alginate hydrogel. The goal of the present work was to improve the functional stability of the enzyme by increasing its structural rigidity. Results Immobilization yield and expressed activity were 100% and 56%, respectively. Under the same storage conditions, the activity of the immobilized enzyme was still observed on the...
Tipo: Journal article Palavras-chave: Arenes; Entrapment; Intradiol dioxygenase; Stenotrophomonas.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582014000200005
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