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journal article·2024-11Open access

Interfacial Membranization of Regenerated Cellulose Nanoparticles and a Protein Renders Stable Water‐in‐Water Emulsion

Ya Zhu, Marco Beaumont, Katariina Solin, Panagiotis Spiliopoulos, Bin Zhao, Han Tao, Eero Kontturi, Long Bai, Orlando J. Rojas

Small· Volume 20· Issue 44
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Abstract

Abstract Pickering water‐in‐water (W/W) emulsions stabilized by biobased colloids are pertinent to engineering biomaterials with hierarchical and confined architectures. In this study, stable W/W emulsions are developed through membranization utilizing biopolymer structures formed by the adsorption of cellulose II nanospheres and a globular protein, bovine serum albumin (BSA), at droplet surfaces. The produced cellulose II nanospheres (NPcat, 63 nm diameter) bearing a soft and highly accessible shell, endow rapid and significant binding (16 mg cm−2) with BSA. NPcat and BSA formed complexes that spontaneously stabilized liquid droplets, resulting in stable W/W emulsions. It is proposed that such a system is a versatile all‐aqueous platform for encapsulation, (bio)catalysis, delivery, and synthetic cell mimetics.
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Research context

NanomaterialsBiomaterialsCatalysis & surfaces

OpenAlex topics: Pickering emulsions and particle stabilization · Advanced Cellulose Research Studies · Proteins in Food Systems

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Bioproducts and Biosystems School of Chemical Engineering Aalto University P.O. Box 16300, FIN‐00076 Aalto Espoo Finland

Department of Chemistry Institute of Chemistry of Renewable Resources University of Natural Resources and Life Sciences (BOKU) Konrad‐Lorenz‐Str. 24 Tulln A‐3430 Austria

Key Laboratory of Biobased Material Science and Technology (Ministry of Education) Northeast Forestry University Harbin Heilongjiang 150040 P. R. China

Bioproducts Institute Department of Chemical & Biological Engineering The University of British Columbia 2360 East Mall Vancouver BC V6T 1Z3 Canada

Department of Chemistry The University of British Columbia 2036 Main Mall Vancouver BC V6T 1Z1 Canada

Department of Wood Science The University of British Columbia 2900‐2424 Main Mall Vancouver BC V6T 1Z4 Canada

Funding

Canada Foundation for Innovation · Austrian Science Fund · China Scholarship Council · HORIZON EUROPE Reforming and enhancing the European Research and Innovation system · Canada Excellence Research Chairs, Government of Canada

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