A joint seminar series between SFB 1372 and the Cluster of Excellence "NaviSense"
Time: Thursdays, 14:15 - 15:45
Location: W2 1-148 at UOL and online (check mails for more details)
A joint seminar series between SFB 1372 and the Cluster of Excellence "NaviSense"
Time: Thursdays, 14:15 - 15:45
Location: W2 1-148 at UOL and online (check mails for more details)
Guest talk by Imke Greving from hereon
X-ray Imaging for Characterizing Structure-Function in 4D: From Spiders to Sharks
Getting insights into the structure and function of biological and bioinspired materials under realistic conditions is key to advancing their design. At the beamline P05 at PETRA III (DESY, Hamburg), operated by Helmholtz-Zentrum Hereon, full-field hard X-ray nanotomography enables non-destructive 3D imaging. Spatial resolutions down to 40 nm and scan times of less than one minute per 3D volume, offer ideal conditions for in situ experiments, like mechanical testing. For low attenuating biological materials, phase contrast methods are especially suitable, including transmission X-ray microscopy (TXM) with Zernike phase contrast, and cone-beam holotomography.
Here the variability of these nanotomography methods and techniques is demonstrated, showcasing in situ mechanical studies on spider attachment hairs and shark cartilage, shrinking and swelling of wood cells, performance of biodegradable implants, and imbibition of hierarchically porous silica. These experiments reveal how structural hierarchy changes under mechanical load, hydration and degradation processes. The ability to visualize internal transformation, triggered for example by water uptake, provides critical insights into the structure–function relationship and supports the development of responsive, bioinspired systems.
The nanotomography instrument at the beamline P05 thus offers a unique platform for 4D characterization, capturing not only the structure but also the temporal evolution of materials, bridging biology, medicine, and engineering.
Host: Franzi
No seminar due to easter break
No seminar due to RIN conference
Alumni meeting of RTG 1885 "Molecular basis of sensory biology" and our SFB
Venue: BIS hall, UOL
Talks by Sig05 (Andrei) & Nav06 (Fyodor)
Chair: Baladev
Talks by Fel02 (Yibo) & Neu01/Navisense (Oda)
Chair: Julia
Public holiday
Talks by Sig06 (Alisha) & TBD
Chair: Fyodor
Guest talk by Stanley Heinze (Lund University)
https://portal.research.lu.se/en/persons/stanley-heinze/
Host: Basil el Jundi