| Issue |
E3S Web Conf.
Volume 385, 2023
2023 8th International Symposium on Energy Science and Chemical Engineering (ISESCE 2023)
|
|
|---|---|---|
| Article Number | 04029 | |
| Number of page(s) | 5 | |
| Section | Polymer Chemistry and Chemical Research Progress | |
| DOI | https://doi.org/10.1051/e3sconf/202338504029 | |
| Published online | 04 May 2023 | |
Preparation and characterization of AgNPs@SNC nanocomposites
1 Chongqing Key Laboratory of Environmental Materials & Remediation Technologies, Chongqing University of Arts and Sciences, Yongchuan, Chongqing 402160, China.
2 Chongqing Water Resources and Electric Engineering College, Yongchuan, Chongqing, 402160, China
3 College of Chemistry and Environmental Engineering, Chongqing University of Arts and Sciences, Yongchuan, Chongqing 402160, China
Starch nanocrystal (SNC) was prepared by 40°C weak sulfuric acid hydrolysis method. Silver nanoparticles (AgNPs) were simply and quickly reduced in situ on starch nanocrystal by ultrasonic assisted reduction method. UV-vis absorption spectrum verified the existence of AgNPs. The surface modification of AgNPs@SNC was carried out by using 3-aminopropyltriethoxysilane (APTES) with simple structure and low cost to improve its dispersivity in the hydrophobic polymer matrix. Then the success of modification was preliminarily confirmed by the Fourier-transform infrared spectroscopy. Taking Staphylococcus aureus and Escherichia coli bacteria as objects of the study, the antibacterial properties of AgNPs@SNC were also explored, and the test results showed that AgNPs@SNC had certain inhibitory effect on Escherichia coli.
© The Authors, published by EDP Sciences, 2023
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