Zeta Potential Measurement of PS/PVP Fibers

The zeta potential was measured as described previously with slight modifications [32 (link)]. Tetrabutylammonium bromide (TBAB), at a ratio of 1:20, was added to the PS/PVP solution. Then, the PS/PVP and PS/PVP+TBAB solutions were diluted (1:10) using DMF. The Malvern Zetasizer Nano ZS90 (Malvern Instruments Ltd, England) utilizes an electrophoretic light scattering technique to measure the zeta potential. All the tests were performed at room temperature. After measuring the zeta potential, the corresponding electrospun fibrous membranes were prepared as described above.

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Chen J., Guo J., Lu X., Yin D., Zhou C., Li Y, & Zhou X. (2024). Microbiome-friendly PS/PVP electrospun fibrous membrane with antibiofilm properties for dental engineering. Regenerative Biomaterials, 11, rbae011.

Publication 2024

Malvern Zetasizer Nano ZS90

Corresponding Organization : Sichuan University

Other organizations : Suzhou Vocational Health College

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Variable analysis

independent variables

Ratio of tetrabutylammonium bromide (TBAB) to PS/PVP solution (1:20)

dependent variables

Zeta potential

control variables

Dilution of PS/PVP and PS/PVP+TBAB solutions (1:10) using DMF
Measurement of zeta potential using Malvern Zetasizer Nano ZS90 at room temperature

controls

No positive or negative controls were explicitly mentioned in the input protocol.

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