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  Foaming properties and the dynamics of adsorption and surface rheology of silk fibroin at the air/water interface

Qiao, X., Miller, R., Schneck, E., & Sun, K. (2020). Foaming properties and the dynamics of adsorption and surface rheology of silk fibroin at the air/water interface. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 591: 124553. doi:10.1016/j.colsurfa.2020.124553.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-9E4C-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-41B5-4
Genre: Journal Article

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 Creators:
Qiao, Xiuying, Author
Miller, Reinhard1, Author              
Schneck, Emanuel2, Author              
Sun, Kang, Author
Affiliations:
1Reinhard Miller, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863501              
2Emanuel Schneck, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2074300              

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Free keywords: Silk fibroin, Adsorption layer formation, Surface rheology, Foam
 Abstract: In this study, the surface adsorption, surface viscoelasticity and foamability of silk fibroin (SF) at the air/water interface are investigated and the relationship between the surface rheology and foaming properties is discussed. The SF molecules adsorb at the air/water interface and form viscoelastic surface films with high surface viscoelasticity modulus. Increasing concentrations of SF leads to thicker adsorbed layers and enhances the surface mechanical strength and foam stability. However, after the SF concentration exceeds a critical value, the surface dilatational modulus starts to decrease due to the imperfect arrangements of SF molecules at jamming state, and the surface tension and surface shear modulus do not show any significant changes at saturated adsorption.

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Language(s): eng - English
 Dates: 2020-02-032020
 Publication Status: Published in print
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 Table of Contents: -
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Title: Colloids and Surfaces A: Physicochemical and Engineering Aspects
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 591 Sequence Number: 124553 Start / End Page: - Identifier: ISSN: 0927-7757