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EnglishEggshell membrane, an eco-compatible, safe and cheap by-product was employed as carrier for the laccase from Trametes versicolor immobilization. In order to evaluate the best protocol to apply for the syringic acid degradation, two different types of laccase loading on eggshell membrane were used by incubation in solution or by enzyme-dropping. Chemicals (covalent) and physicals (adsorption) immobilizations were tested for both procedure using native or periodate-oxidized laccase. It is shown that immobilization of periodate-oxidized laccase on NiCl2-pretreated eggshell membrane was the best method for the first procedure (immobilized activity 1300 U/Kg, a residual activity of 30 % for 6 reuse). For the enzyme-dropping protocol a covalent method with the bifunctional cross linker (glutaraldehyde) was the best method (immobilized activity 3500 U/Kg, a residual activity of 45 % for 6 reuse)
Eggshell membrane as feedstock in enzyme immobilization / Girelli, Anna Maria; Scuto, Francesca Romana. - In: JOURNAL OF BIOTECHNOLOGY. - ISSN 0168-1656. - (2020).
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| Titolo: | Eggshell membrane as feedstock in enzyme immobilization | |
| Autori: | ||
| Data di pubblicazione: | 2020 | |
| Rivista: | ||
| Citazione: | Eggshell membrane as feedstock in enzyme immobilization / Girelli, Anna Maria; Scuto, Francesca Romana. - In: JOURNAL OF BIOTECHNOLOGY. - ISSN 0168-1656. - (2020). | |
| Handle: | http://hdl.handle.net/11573/1487695 | |
| Appartiene alla tipologia: | 01a Articolo in rivista |
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