Milyaeva, Olga Yu. ; Akentiev, Alexander V. ; Bykov, Alexey G. ; Lin, Shi-Yow ; Loglio, Giuseppe ; Miller, Reinhard ; Michailov, Alexander V. ; Rotanova, Ksenia Yu. ; Noskov, Boris A. (2022)
Spread Layers of Lysozyme Microgel at Liquid Surface.
In: Polymers, 2022, 14 (19)
doi: 10.26083/tuprints-00022486
Artikel, Zweitveröffentlichung, Verlagsversion
Kurzbeschreibung (Abstract)
The spread layers of lysozyme (LYS) microgel particles were studied by surface dilational rheology, infrared reflection–absorption spectra, Brewster angle microscopy, atomic force microscopy, and scanning electron microscopy. It is shown that the properties of LYS microgel layers differ significantly from those of ß-lactoglobulin (BLG) microgel layers. In the latter case, the spread protein layer is mainly a monolayer, and the interactions between particles lead to the increase in the dynamic surface elasticity by up to 140 mN/m. In contrast, the dynamic elasticity of the LYS microgel layer does not exceed the values for pure protein layers. The compression isotherms also do not exhibit specific features of the layer collapse that are characteristic for the layers of BLG aggregates. LYS aggregates form trough three-dimensional clusters directly during the spreading process, and protein spherulites do not spread further along the interface. As a result, the liquid surface contains large, almost empty regions and some patches of high local concentration of the microgel particles.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2022 |
| Autor(en): | Milyaeva, Olga Yu. ; Akentiev, Alexander V. ; Bykov, Alexey G. ; Lin, Shi-Yow ; Loglio, Giuseppe ; Miller, Reinhard ; Michailov, Alexander V. ; Rotanova, Ksenia Yu. ; Noskov, Boris A. |
| Art des Eintrags: | Zweitveröffentlichung |
| Titel: | Spread Layers of Lysozyme Microgel at Liquid Surface |
| Sprache: | Englisch |
| Publikationsjahr: | 2022 |
| Ort: | Darmstadt |
| Publikationsdatum der Erstveröffentlichung: | 2022 |
| Verlag: | MDPI |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Polymers |
| Jahrgang/Volume einer Zeitschrift: | 14 |
| (Heft-)Nummer: | 19 |
| Kollation: | 12 Seiten |
| DOI: | 10.26083/tuprints-00022486 |
| URL / URN: | https://tuprints.ulb.tu-darmstadt.de/22486 |
| Zugehörige Links: | |
| Herkunft: | Zweitveröffentlichung DeepGreen |
| Kurzbeschreibung (Abstract): | The spread layers of lysozyme (LYS) microgel particles were studied by surface dilational rheology, infrared reflection–absorption spectra, Brewster angle microscopy, atomic force microscopy, and scanning electron microscopy. It is shown that the properties of LYS microgel layers differ significantly from those of ß-lactoglobulin (BLG) microgel layers. In the latter case, the spread protein layer is mainly a monolayer, and the interactions between particles lead to the increase in the dynamic surface elasticity by up to 140 mN/m. In contrast, the dynamic elasticity of the LYS microgel layer does not exceed the values for pure protein layers. The compression isotherms also do not exhibit specific features of the layer collapse that are characteristic for the layers of BLG aggregates. LYS aggregates form trough three-dimensional clusters directly during the spreading process, and protein spherulites do not spread further along the interface. As a result, the liquid surface contains large, almost empty regions and some patches of high local concentration of the microgel particles. |
| Freie Schlagworte: | β-lactoglobulin, lysozyme, microgel particles, spread layers, IRRAS, BAM, AFM, SEM, surface dilational viscoelasticity |
| Status: | Verlagsversion |
| URN: | urn:nbn:de:tuda-tuprints-224869 |
| Zusätzliche Informationen: | This article belongs to the Section Polymer Chemistry |
| Sachgruppe der Dewey Dezimalklassifikatin (DDC): | 500 Naturwissenschaften und Mathematik > 530 Physik 600 Technik, Medizin, angewandte Wissenschaften > 660 Technische Chemie |
| Fachbereich(e)/-gebiet(e): | 05 Fachbereich Physik 05 Fachbereich Physik > Institut für Physik Kondensierter Materie (IPKM) |
| Hinterlegungsdatum: | 24 Okt 2022 13:18 |
| Letzte Änderung: | 25 Okt 2022 08:01 |
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