Bacteriophage‐Templated Assembly of Magnetic Nanoparticles and Their Actuation Potential
Source abstract
Abstract
Abstract Magnetic chains are of fundamental and technological interest. However, 1D assemblies of magnetic nanoparticles are only metastable such that their controlled organization requires the use of templates. Bacteriophages are human‐inoffensive viruses with a filamentous morphology that have been shown to exhibit great potential in materials research. Here, we thus utilized the M13 phage as a model for the formation of actuated magnetite nanoparticle superstructures. First, we built a sperm‐like ensemble by covalently attaching magnetic nanoparticles to the head of the phage. Second, chain‐like assemblies are obtained based on the electrostatic interactions between positively‐charged magnetite nanoparticles attached to the negatively‐charged phage surface. The nanoparticles‐phages assembly is steered by external magnetic fields. We anticipate such materials can find applications in nanotechnology or nanomedicine.
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Research context
OpenAlex topics: Bacteriophages and microbial interactions · Micro and Nano Robotics · Microfluidic and Bio-sensing Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Bioengineering Leibniz Institute for Agricultural Engineering and Bioeconomy Max-Eyth-Alle 100 14469 Potsdam Germany
cellenion SASU 60 Avenue Rockefeller, Bioparc Laennec 69008 Lyon France
Department of Microbiology University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
Faculty of Medicine Health and Medical University of Potsdam Olympischer Weg 1 14471 Potsdam Germany
Department of Biomaterials Max Planck Institute of Colloids and Interfaces Am Mühlenberg 1 14476 PotsdamPotsdam-Golm Germany
Laboratoire Matière et Systèmes Complexes UMR 7057 CNRS Université 12 Diderot Paris 7 75205 Paris Cedex 13 France
Department of Biochemistry and Biology University of Potsdam Karl-Liebknecht-Str. 24–25 14476 Potsdam Germany
Aix-Marseille Université CEA, CNRS, BIAM 13108 Saint Paul lez Durance France
Funding
Max-Planck-Gesellschaft
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