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Colloquium: Light-matter-life interactions at the micron scale

Datum
22.07.2019
Zeit
16:30 - 17:30
Sprecher
Prof. Roberto Di Leonardo
Zugehörigkeit
Sapienza Università di Roma, Italy
Serie
MPI-PKS Kolloquium
Sprache
en
Hauptthema
Physik
Andere Themen
Physik
Beschreibung
In 1676, using candle light for illumination and a small glass sphere as the lens, Antonie van Leeuwenhoek revealed to the world the beauty and complexity of a microscopic universe densely populated by living microorganisms. Today, using lasers, spatial light modulators, digital cameras and computers, we investigate the statistical and fluid mechanics of microswimmers in ways that were unimaginable only 50 years ago. With light we can image bacteria as they swim rapidly through 3D environments, apply gentle and controllable force fields or sculpt the 3D structure of their environment. In addition to shaping the physical world outside cells we can also use light to control the internal biological state of microorganisms that are genetically engineered to respond to light signals. I will review our recent work on the interactions between light, matter and bacteria, from the fundamental problems of rectification and non-equilibrium steady states in active matter to the use of genetically modified bacteria as propellers for micro-machines or as a "living" paint that can be controlled by light.

Letztmalig verändert: 21.07.2019, 22:06:15

Veranstaltungsort

Max-Planck-Institut für Physik komplexer SystemeNöthnitzer Straße3801187Dresden
Telefon
+ 49 (0)351 871 0
E-Mail
MPI-PKS
Homepage
http://www.mpipks-dresden.mpg.de

Veranstalter

Max-Planck-Institut für Physik komplexer SystemeNöthnitzer Straße3801187Dresden
Telefon
+ 49 (0)351 871 0
E-Mail
MPI-PKS
Homepage
http://www.mpipks-dresden.mpg.de
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