Researchers developed an artificial motor at the supramolecular level that can develop impressive power. This wind-up motor is a tiny ribbon made of special molecules. When energy is applied, this ribbon aligns itself, moves like a small fin and can thus push objects. The energy for this comes from a chemical fuel.
Bacteria as a role model: Conversion of chemical energy into rotational energy at the supramolecular level for the first time
Until now, the conversion of chemical energy into rotational energy on a supramolecular level, i.e. for small objects consisting of more than one molecule, was only known from biology. Primitive bacteria, known as archaea, use the chemical fuel ATP to rotate their tiny fin-like locomotion organs, the flagella, and thus move around. Synthetic replicas of this process have not existed until now.
If several rotating ribbons are brought together at a central point, for example, small"micro-walkers" are created that can crawl along surfaces. In the future, after further improvements, these micro-walkers could possibly be used for medical applications such as transporting drugs in the body. The fuel used is not yet suitable for this, as it would be harmful to the organism.Brigitte A.K. Kriebisch, Christine M.E. Kriebisch, Hamish W.A.
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