期刊
CHEMICAL PHYSICS LETTERS
卷 730, 期 -, 页码 84-88出版社
ELSEVIER
DOI: 10.1016/j.cplett.2019.05.045
关键词
MS2 virus; Nanoparticles; Electrostatic interaction; pH dependence; Core-shell model
资金
- Vietnam National Foundation for Science and Technology Development (NAFOSTED) [103.01-2016.61]
The electrostatic interaction of metal nanoparticles with viruses is attracting great interest due to their antiviral activity and their role in enhancing the detection of viruses at ultra-low concentrations. We model the MS2 virus devoid of its single strand RNA core using a core-shell model. The dependence of the inner and outer surface charge density on the pH is taken into account in our model of the interaction. Varying the pH causes a change in the sign of the outer surface charge leading to the attractive-repulsive transition in the electrostatic interaction between the MS2 virus and metal nanoparticle at pH = 4.
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