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dc.contributor.authorZheng, Zhuoyuan
dc.contributor.authorMa, Daowei
dc.contributor.authorRashidi, Soheil
dc.contributor.authorLi, Bin
dc.identifier.citationZheng, Z., Ma, D., Rashidi, S. and Li, B. (2018), Study of denaturation and composition‐dependent poly(ethylene oxide)–soy protein interactions: Structures and dielectric polarization. J. Appl. Polym. Sci., 135, 46561en_US
dc.descriptionClick on the DOI link to access the article (may not be free).en_US
dc.description.abstractThe significance of aggregated protein structures in tuning structures and dielectric polarization of poly(ethylene oxide) (PEO)/soy protein isolate (SPI) films was studied. The aggregated protein structures, subjected to denaturation processes, are expected to alter polymer-protein interactions, leading to diverse material structures, and properties. However, this is still insufficiently understood. In this study, SPI was modified via different denaturation processes including heat, sonication, and pH-control. According to structural analysis with scanning electron microscope, fluorescence imaging, X-ray diffraction, and Fourier transformed infrared spectroscopy, both denaturation conditions and SPI content affected PEO-SPI interactions, producing distinctive microstructures of PEO and SPI phases, which subsequently caused different dielectric properties in ferroelectric analysis. Particularly, sonication treated-SPI distinguished itself by generating a unique parabolic-like composition dependence of dielectric polarization, in contrast to other modified SPIs. Polymer/protein blends have shown great potential in biomedical and electronic applications, which will be further benefited by the findings in this study.en_US
dc.description.sponsorshipUSDA National Institute of Food and Agriculture, AFRI project [2017-67021-26604].en_US
dc.relation.ispartofseriesJournal of Applied Polymer Science;v.135:no.31
dc.subjectDielectric polarizationen_US
dc.subjectPoly(ethylene oxide)en_US
dc.subjectSoy proteinen_US
dc.titleStudy of denaturation and composition-dependent poly(ethylene oxide)-soy protein interactions: Structures and dielectric polarizationen_US
dc.rights.holder© 2018 Wiley Periodicals, Inc.en_US

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