2018
DOI: 10.15611/pn.2018.542.01
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Immobilizacja naringinazy z Penicillium decumbens na magnetycznych nośnikach polisacharydowych

Abstract: JEL Classification: L66Streszczenie: Naringinaza z Penicillium decumbens została unieruchomiona na aktywowanych nośnikach polisacharydowych o właściwościach magnetycznych. W badaniach wykorzystano gumę guar, karobową, tragakantową, ksantanową oraz karagenianin. Nośniki otrzymano poprzez pokrycie mikrocząsteczek magnetytu (Fe 3 O 4 ) polisacharydem, a następnie aktywując je aldehydem glutarowym lub polietylenoiminą. Celem niniejszej pracy była immobilizacja naringinazy z P. decumbens na magnetycznych nośnikach … Show more

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“…Magnetic microparticles of the carrier covered with polysaccharides were obtained by the modified method given by Wang [ 46 ] and described in an earlier paper [ 82 ]. In order to obtain magnetite, 3.98 g of ferric chloride (II) tetrahydrate was combined with 6.49 g of ferric chloride (III) and dissolved in 100 mL of water, which allowed Fe 2+ and Fe 3+ ions to react in the molar ratio 1:2.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Magnetic microparticles of the carrier covered with polysaccharides were obtained by the modified method given by Wang [ 46 ] and described in an earlier paper [ 82 ]. In order to obtain magnetite, 3.98 g of ferric chloride (II) tetrahydrate was combined with 6.49 g of ferric chloride (III) and dissolved in 100 mL of water, which allowed Fe 2+ and Fe 3+ ions to react in the molar ratio 1:2.…”
Section: Methodsmentioning
confidence: 99%
“…The next stage of preparation of the carrier for naringinase immobilization was its activation with polyethyleneimine. The activation of polysaccharide carriers was carried out according to the modified method described by Rajdeo [ 30 ] and described in an earlier paper [ 82 ]. For this purpose, 1 g of the carrier was weighed into a conical flask with a capacity of 100 mL and then 20 mL of 5% ( v / v ) polyethyleneimine solution dissolved in phosphate buffer (0.01 M, pH 7.0) was added.…”
Section: Methodsmentioning
confidence: 99%