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Knots: from the sailing boat down to the cell's nucleus illustrated by means of simple experiments

Dietler, G (EPFL, Lausanne, Switzerland)
Thursday 23 August 2012, 11:30-12:30

Seminar Room 2, Newton Institute Gatehouse


Knots are pervasive in our daily life at the macroscopic level as well as at the microscopic level. With the help of some "experiments", I will present few important features of knots starting with macroscopic knots and then go into the cell's nucleus where knots play a role in the functioning of the DNA. Among the presented examples I will discuss some mathematical properties, the hydrodynamic behavior of knots, their resistance to traction and the unknotting of DNA knots by enzymes


[pdf ]


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