2022
DOI: 10.1021/acs.biomac.1c01466
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Charged Polypeptide Tail Boosts the Salt Resistance of Enzyme-Containing Complex Coacervate Micelles

Abstract: Encapsulation of proteins can have advantages for their protection, stability, and delivery purposes. One of the options to encapsulate proteins is to incorporate them in complex coacervate core micelles (C3Ms). This can easily be achieved by mixing aqueous solutions of the protein and an oppositely charged neutral-hydrophilic diblock copolymer. However, protein-containing C3Ms often suffer from salt-inducible disintegration due to the low charge density of proteins. The aim of this study is to improve the sal… Show more

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Cited by 4 publications
(2 citation statements)
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“…Currently, work is being undertaken to modify the enzymes, which are then immobilized. When a charged polypeptide tail was added at the C-terminus, the salt resistance of laccase placed in coacervate core micelles (C3M) by encapsulation was enhanced [330]. The use of CotA with a polyglutamic acid tail resulted in more micelles with fewer enzyme molecules per micelle, better stability and increased laccase activity.…”
Section: Improvement Of Catalytic Activity Of Laccasesmentioning
confidence: 99%
“…Currently, work is being undertaken to modify the enzymes, which are then immobilized. When a charged polypeptide tail was added at the C-terminus, the salt resistance of laccase placed in coacervate core micelles (C3M) by encapsulation was enhanced [330]. The use of CotA with a polyglutamic acid tail resulted in more micelles with fewer enzyme molecules per micelle, better stability and increased laccase activity.…”
Section: Improvement Of Catalytic Activity Of Laccasesmentioning
confidence: 99%
“…Nonequilibrium assembly of ionic BCP micelles can afford a diverse range of intermediate morphologies that are kinetically trapped . Electrostatic interactions are known to play an important role in the micellization and micellar structure of ionic BCPs, giving rise to their structural dependence on the solution pH, ionic strength, and specific ions in aqueous media. , As a result, ionic BCP micelles are used in a wide range of technical applications including protein encapsulation and delivery, , ion transport media, template synthesis, etc. Early studies of ionic BCP micelles have mainly focused on those where the ionizable monomers are randomly distributed in the solvophilic segments, installed by postpolymerization functionalization approach .…”
Section: Introductionmentioning
confidence: 99%