A Secret Weapon For ceesdekker.net
A Secret Weapon For ceesdekker.net
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Spatial structure facilitates cooperation inside a social dilemma: empirical evidence from a bacterial community
It absolutely was only inside the nineteen nineties even though, when nanotechnology experienced Superior to the level the place one molecules could possibly be manipulated, that the main experimental gadgets commenced to appear.
Back again in 1991, Sumio Iijima with the NEC Company had reported the synthesis of carbon nanotubes. Band structure calculations advised that these nanotubes could exhibit metallic band conduction. This might be a major benefit in excess of the conducting polymers we had explored, which have been, in reality, disordered semiconductors giving simply variable-assortment hopping conductivity.
Considering the fact that 2000, Dekker has shifted the key concentration of his function in direction of biophysics where by he scientific studies the Houses of one biomolecules and cells utilizing the resources of nanotechnology. This variation of industry was driven by his fascination for your impressive performing of Organic molecular buildings, as well as through the prolonged-time period standpoint that many intriguing discoveries might be envisioned During this field.[5] Present traces of investigation in his biophysics team are from the parts of:[six]
This yielded a breakthrough. In just just a few months, we had been able to evaluate transportation by way of an individual solitary-walled carbon nanotube. Based on very low-temperature experiments by a brilliant PhD scholar in my group, Sander Tans (now a valued colleague and professor at Delft College of Technology by having an active investigation lab at AMOLF in Amsterdam), we confirmed that carbon nanotubes have been legitimate quantum wires with really extensive (micrometres) electronic coherence lengths — confirming theoretical predictions of metallic behaviour.
Our investigation ranges through the biophysics of DNA to artificial cells and over and above. Remember to have a look under on the spectrum of our existing projects.
Numerous connected developments followed, the place our group proven diverse transistor variants for instance one-electron transistors at place temperature and intramolecular nanotube junctions that acted as rectifying diodes, and coupled various transistors into compact evidence-of-basic principle Digital circuits.
Dynamic ParB–DNA interactions initiate and retain a partition condensate for bacterial chromosome segregation
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Presently, we also understood that it ought to be doable to implement one semiconducting carbon nanotube for making a transistor — and we established out to make it. We stretched person semiconducting nanotubes across metallic electrodes and used the fundamental silicon substrate for a gate electrode, developing The fundamental three-terminal layout of a industry-outcome transistor (Fig.
Given that 2000 he moved to one-molecule biophysics and nanobiology, https://www.ceesdekker.net with investigation from research of DNA loop extrusion and supercoiling to DNA translocation as a result of nanopores. Far more not too long ago his investigate has focused on studying chromatin framework and cell division with microorganisms on chip, while he is also aiming to ultimately Make synthetic cells from The underside up.
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For instance, we think about the nucleopore advanced, a gateway involving the cell nucleus and the cytoplasm. This is a really intricate technique and thus difficult to analyze in the cell, so we use biomimetics. We reconstruct holes after which you can insert particular person aspects from the nucleopore elaborate to review transport by it at The only-molecule amount.’
‘I'm pushed by marvel and inquiries. On a cloth level I uncover responses in physics, but I encounter my deepest joy with God. That religion also drives my science And exactly how I deal with folks.