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Material properties of ZnS nanoparticles incorporated soy protein isolate biopolymeric film
Plastics, Rubber and Composites ( IF 2 ) Pub Date : 2019-08-05 , DOI: 10.1080/14658011.2019.1651125
Rakesh Kumar 1 , Kahkashan Neyaz Anjum 1 , Shikha Rani 1 , K. Sharma 2 , K. P. Tiwary 3 , K. Dinesh Kumar 4
Affiliation  

ABSTRACT Glycerol plasticised soy protein isolate (SPI) films at different contents (1 to 5% w/w w.r.t SPI) of zinc sulphide (ZnS) nanoparticles were fabricated. Before the film formation, the ZnS nanoparticles incorporated SPI suspensions were subjected to molecular mass studies by SDS-PAGE and specific conductivity studies. SPI films and ZnS nanoparticles incorporated SPI films were structurally and mechanically characterised by Fourier transform infrared spectroscopy (FT-IR) and mechanical properties, respectively. Transmittance and water uptake studies were also carried out for ZnS nanoparticles incorporated SPI films. The results from transmittance, water uptake and FT-IR studies indicated a good compatibility between the ZnS nanoparticles and the SPI. With the increase in the contents of ZnS nanoparticles from 0 to 4%, the tensile modulus increased from 87.4 to 99 MPa. The water uptake decreased significantly from 159 to 10.76%. However, the results showed the absence of antibacterial effect in ZnS nanoparticles incorporated SPI film.

中文翻译:

掺入大豆分离蛋白生物聚合物膜的硫化锌纳米颗粒的材料特性

摘要制备了不同含量(1 至 5% w/w wrt SPI)的硫化锌 (ZnS) 纳米颗粒的甘油增塑大豆分离蛋白 (SPI) 薄膜。在成膜之前,通过 SDS-PAGE 和特定电导率研究对掺入 SPI 悬浮液的 ZnS 纳米颗粒进行分子质量研究。SPI 薄膜和掺入 SPI 薄膜的 ZnS 纳米颗粒分别通过傅里叶变换红外光谱 (FT-IR) 和机械性能进行了结构和机械表征。还对掺入 SPI 薄膜的 ZnS 纳米颗粒进行了透射率和吸水率研究。透射率、吸水率和 FT-IR 研究的结果表明 ZnS 纳米颗粒与 SPI 之间具有良好的相容性。随着 ZnS 纳米粒子的含量从 0% 增加到 4%,拉伸模量从 87.4 增加到 99 MPa。吸水量从 159% 显着降低到 10.76%。然而,结果表明掺入 SPI 膜的 ZnS 纳米颗粒没有抗菌作用。
更新日期:2019-08-05
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