Now two research groups from the University of Cambridge, led by Professor Ray Goldstein of the Department of Applied Mathematics and Theoretical Physics, and Professor Lynn Gladden of the Department of Chemical Engineering and Biotechnology, have done just that. Their findings are published in volume 642 of Journal of Fluid Mechanics, published by Cambridge University Press.
They have studied the giant cells of the Characean algae – cells that can measure up to 10cm in length and 1mm in diameter. This exceptional size makes the standard methods of distributing material within cells impossible, so Characean algae have long been known to employ ‘conveyor belts’ along their cellular walls to move food and waste around. It is the spatial distribution of the velocity of this movement that has been measured for the first time using state-of-the art magnetic resonance imaging techniques.
The impact of their discoveries and research techniques will be far-reaching. Professor Squires comments: “[The methods used] are incredibly powerful and have the potential to revolutionise our understanding of a wide range of environmentally and industrially relevant fluid flows. The technique is completely non-invasive, requires no flow tracers and can be performed in non-transparent materials."
Looking to the future, Professor Squires stated that this study ‘should serve as a potent reminder that the immense variety of organisms on Earth contains a wealth of expertise that may be mined for biomimetic [i.e. nature-imitating] solutions.’
Hannah Gregory | alfa
Making fuel out of thick air
08.12.2017 | DOE/Argonne National Laboratory
‘Spying’ on the hidden geometry of complex networks through machine intelligence
08.12.2017 | Technische Universität Dresden
The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.
Over the past few years, the building blocks of storage media have gotten ever smaller. But further miniaturization of the current technology is hindered by...
With innovative experiments, researchers at the Helmholtz-Zentrums Geesthacht and the Technical University Hamburg unravel why tiny metallic structures are extremely strong
Light-weight and simultaneously strong – porous metallic nanomaterials promise interesting applications as, for instance, for future aeroplanes with enhanced...
An interdisciplinary group of researchers interfaced individual bacteria with a computer to build a hybrid bio-digital circuit - Study published in Nature Communications
Scientists at the Institute of Science and Technology Austria (IST Austria) have managed to control the behavior of individual bacteria by connecting them to a...
Physicists in the Laboratory for Attosecond Physics (run jointly by LMU Munich and the Max Planck Institute for Quantum Optics) have developed an attosecond electron microscope that allows them to visualize the dispersion of light in time and space, and observe the motions of electrons in atoms.
The most basic of all physical interactions in nature is that between light and matter. This interaction takes place in attosecond times (i.e. billionths of a...
Transistors based on carbon nanostructures: what sounds like a futuristic dream could be reality in just a few years' time. An international research team working with Empa has now succeeded in producing nanotransistors from graphene ribbons that are only a few atoms wide, as reported in the current issue of the trade journal "Nature Communications."
Graphene ribbons that are only a few atoms wide, so-called graphene nanoribbons, have special electrical properties that make them promising candidates for the...
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07.12.2017 | Event News
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08.12.2017 | Information Technology
08.12.2017 | Information Technology