@article{6a880cd5fc864d3ea433cb148447ef2d,
title = "Magnetic graphene-based sheets for bacteria capture and destruction using a high-frequency magnetic field",
abstract = "Magnetic reduced graphene oxide (MRGO) sheets were prepared by embedding Fe3O4 nanoparticles on polyvinylpyrrolidone (PVP) and poly(diallyldimethylammonium chloride) (PDDA)-modified graphene oxide (GO) sheets for bacteria capture and destruction under a high-frequency magnetic field (HFMF). The characteristics of MRGO sheets were evaluated systematically by transmission electron microscopy (TEM), scanning electron microscopy (SEM), zeta potential measurement, X-ray diffraction (XRD), vibrating sample magnetometry (VSM), and X-ray photoelectron spectroscopy (XPS). TEM observation revealed that magnetic nanoparticles (8–10 nm) were dispersed on MRGO sheets. VSM measurements confirmed the superparamagnetic characteristics of the MRGO sheets. Under HFMF exposure, the temperature of MRGO sheets increased from 25 to 42◦C. Furthermore, we investigated the capability of MRGO sheets to capture and destroy bacteria (Staphylococcus aureus). The results show that MRGO sheets could capture bacteria and kill them through an HFMF, showing a great potential in magnetic separation and antibacterial application.",
keywords = "Bacteria capturing, High-frequency magnetic field, Magnetic nanoparticles, Reduced graphene oxide sheets",
author = "Andri Hardiansyah and Yang, {Ming Chien} and Liao, {Hung Liang} and Cheng, {Yu Wei} and Fredina Destyorini and Yuyun Irmawati and Liu, {Chi Ming} and Yung, {Ming Chi} and Hsu, {Chuan Chih} and Liu, {Ting Yu}",
note = "Funding Information: Funding: This work was financially supported by Research Center for Intelligent Medical Devices of Ming Chi University of Technology, and the Ministry of Science and Technology of Taiwan (MOST 106-2221-E-131-006-MY3, MOST 108-2622-E-131-002-CC3 and MOST 108-2623-E-011-002-D). Funding Information: Acknowledgments: Facilities were supported by Yuh-Lin Wang from the Institute of Atomic and Molecular Sciences, Academia Sinica (MOST 108-2639-M-001-003-ASP) and is gratefully acknowledged. We are also grateful to the staff of Technology Commons, College of Life Science, NTU for help with the transmission electron microscopy (TEM). Publisher Copyright: {\textcopyright} 2020 by the authors. Licensee MDPI, Basel, Switzerland.",
year = "2020",
month = apr,
doi = "10.3390/nano10040674",
language = "English",
volume = "10",
journal = "Nanomaterials",
issn = "2079-4991",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "4",
}