Pollen-Based Magnetic Microrobots are Mediated by Electrostatic Forces to Attract, Manipulate, and Kill Cancer Cells

Carmen C. Mayorga-Martinez; Michaela Fojt?; Jan Vysko?ilNam-Joon ChoMartin Pumera

首页> 外文期刊>Advanced functional materials >Pollen-Based Magnetic Microrobots are Mediated by Electrostatic Forces to Attract, Manipulate, and Kill Cancer Cells

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Pollen-Based Magnetic Microrobots are Mediated by Electrostatic Forces to Attract, Manipulate, and Kill Cancer Cells

机译：Pollen-Based Magnetic Microrobots are Mediated by Electrostatic Forces to Attract, Manipulate, and Kill Cancer Cells

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AbstractNaturally occurring micro/nanoparticles provide an incredible arrayof potential sources when preparing hybrid micro/nanorobots and theirintrinsic properties can be exploited as multitasking functionalities of modernrobotics as well as ensuring their mass production availability. Herein,magnetic biological bots (BioBots) prepared from defatted sunflower pollenmicroparticles by ferromagnetic metal layer evaporation on one side of itssurface are described. It is demonstrated that the methodology employedintroduces magnetic properties to sunflower pollen microparticles-based Bio-Bots and enable their magnetic actuation. Interestingly, as-prepared magneticsunflower pollen-based BioBots can naturally attract cancer cells due to theiropposite charges (positive and negative, respectively). Such attracted cancercells can then be transported by microrobots. This strong attraction alsoallows the delivery of drugs intended to kill the cancer cells. Sunflower-basedBioBots can be fabricated in large quantities, and are naturally programmable,making them promising candidates for cancer cell therapy.

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《Advanced functional materials》 |2022年第46期|2207272.1-2207272.8|共8页
作者
Carmen C. Mayorga-Martinez; Michaela Fojt?; Jan Vysko?ilNam-Joon ChoMartin Pumera;
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Center for Advanced Functional NanorobotsDepartment of Inorganic ChemistryUniversity of Chemistry and Technology PragueTechnicka 5, 166 28 Prague, Czech Republic;

Center for Advanced Functional NanorobotsDepartment of Inorganic ChemistryUniversity of Chemistry and Technology PragueTechnicka 5, 166 28 Prague, Czech Republic;

Department of Pathological PhysiologyFaculty of MedicineMasaryk UniversityKamenice 5, 625 00;

School of Materials Science and EngineeringNanyang Technological University50 Nanyang Avenue, Singapore 639798, SingaporeCenter for Advanced Functional NanorobotsDepartment of Inorganic ChemistryUniversity of Chemistry and Technology PragueTechnicka 5, 166 28 Prague, Czech Republic;

Faculty of Electrical Engineering and Computer ScienceVSB – Technical University of Ostrava17;

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正文语种英语
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biological microrobots; drug deliveries; hybrid robotics; magnetic micromotors;

Pollen-Based Magnetic Microrobots are Mediated by Electrostatic Forces to Attract, Manipulate, and Kill Cancer Cells

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