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微胶囊的纳米变形：交联与纳米颗粒效果的比较

Nanodeformations of microcapsules: comparing the effects of cross-linking and nanoparticles.

作者信息

Doering Ulrike, Grigoriev Dmitry, Riske Tino, Fery Andreas, Böker Alexander

机构信息

University of Potsdam, Institute of Chemistry Karl-Liebknecht-Str. 24-25 14476 Potsdam Germany.

Fraunhofer Institute for Applied Polymer Research IAP Geiselbergstr. 69 14476 Potsdam Germany

出版信息

RSC Adv. 2022 Aug 24;12(37):24140-24145. doi: 10.1039/d2ra04330k. eCollection 2022 Aug 22.

DOI:10.1039/d2ra04330k
PMID:36093237
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9400586/
Abstract

The mechanical properties of proteinaceous and composite microcapsules loaded with oil were measured by SFM and evaluated using the Reissner model. Comparison of the obtained results reveals significantly higher Young's moduli of protein capsules due to intermolecular crosslinking. In contrast, conformational restrictions in composite microcapsules inhibit protein crosslinking leading to the reduction of their elasticity.

摘要

通过扫描力显微镜（SFM）测量了负载油的蛋白质微胶囊和复合微胶囊的力学性能，并使用赖斯纳模型进行评估。对所得结果的比较表明，由于分子间交联，蛋白质微胶囊的杨氏模量显著更高。相比之下，复合微胶囊中的构象限制抑制了蛋白质交联，导致其弹性降低。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9cb/9400586/31c3333145a0/d2ra04330k-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9cb/9400586/67ed0a5d6ee1/d2ra04330k-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9cb/9400586/2b285a908a3d/d2ra04330k-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9cb/9400586/31c3333145a0/d2ra04330k-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9cb/9400586/67ed0a5d6ee1/d2ra04330k-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9cb/9400586/2b285a908a3d/d2ra04330k-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9cb/9400586/31c3333145a0/d2ra04330k-f3.jpg

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本文引用的文献

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RSC Adv. 2021 Apr 30;11(27):16152-16157. doi: 10.1039/d0ra08100k.
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Synthesis of nanostructured protein-mineral-microcapsules by sonication.通过超声处理合成纳米结构的蛋白-矿物-微胶囊。
Soft Matter. 2022 Mar 30;18(13):2558-2568. doi: 10.1039/d1sm01638e.
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Chem Rev. 2009 Feb;109(2):594-642. doi: 10.1021/cr800529d.
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Preparation and properties of proteinaceous microspheres made sonochemically.超声化学法制备蛋白质微球及其性质
Chemistry. 2008;14(13):3840-53. doi: 10.1002/chem.200701541.
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Elastic properties of polyelectrolyte capsules studied by atomic-force microscopy and RICM.通过原子力显微镜和反射干涉对比显微镜研究聚电解质胶囊的弹性特性。
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