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Related Concept Videos

Other Unique Bacteria01:18

Other Unique Bacteria

Magnetic bacteria exhibit a directed movement called magnetotaxis, driven by structures called magnetosomes. These magnetosomes consist of chains of magnetic particles made of either magnetite (Fe₃O₄) or greigite (Fe₃S₄) and are organized in a linear conformation by a protein scaffold within invaginations of the cell membrane. The bacteria align along the north–south magnetic field lines, much like a compass needle. They are typically microaerophilic or anaerobic and are commonly found near the...

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Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release
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Light-switchable anchors on magnetized biomorphic microcarriers.

Julian Opel1, Lisa-Catherine Rosenbaum2, Julian Brunner3

  • 1Physical Chemistry, University of Konstanz, Universitätsstrasse 10, D-78457 Konstanz, Germany. helmut.coelfen@uni-konstanz.de and Laboratorio de Estudios Cristalográficos, Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Avenida de las Palmeras No. 4, E-18100 Armilla, Granada, Spain. juanmanuel.garcia@csic.es.

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|May 21, 2020
PubMed
Summary
This summary is machine-generated.

Researchers developed novel microcarriers capable of controlled substance release and capture. This breakthrough combines silica-biomorphs and mesocrystals for advanced metamaterial applications.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemistry

Background:

  • Microcarriers are crucial for various applications but achieving controlled substance release and capture remains a challenge.
  • Existing methods for synthesizing advanced microcarriers are often complex and limited in functionality.

Purpose of the Study:

  • To develop a straightforward strategy for synthesizing microcarriers with light-switchable substance-binding capabilities.
  • To create novel metamaterials with on-demand release and catch functionalities.

Main Methods:

  • Synthesis of microcarrier hulls by combining silica-biomorphs with mesocrystals.
  • Covalent attachment of spiropyrans to the microcarrier surface to act as light-switchable anchor points.

Main Results:

  • Successfully synthesized microcarriers with the ability to release and catch substances.
  • Demonstrated the light-switchable nature of the spiropyran anchor points for controlled binding and release.
  • Achieved an easy access to these advanced microcarrier hulls.

Conclusions:

  • The presented strategy offers a simple and effective route to advanced microcarriers.
  • These novel microcarriers hold significant potential for applications requiring controlled substance manipulation.
  • The development advances the field of metamaterials and functional nanomaterials.