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#electronmicroscopy

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Public
Emilia Jarochowska 🇺🇦🌱

It's very satisfying to see the crown article of my first PhD student Bryan Shirley published! Skeleton is usually all that remains from an animal in the fossil record, so in order to find out how the animal functioned when alive, we have to squeeze out clues from the skeletal tissues, for example using advanced #ElectronMicroscopy 🔬. We were told that vertebrate tissues are too chemically unstable to study this way, but with the help of experts in microscopy, we were able to make rapid measurements of crystallography in the oldest #vertebrate hashtag#teeth to understand how they function evolved. Turns out the crystal orientation reflects the function! From the #ultrastructure we can estimate how the animals were biting and see their evolutionary adaptations at the level of individual crystals 💎 This was possible thanks to the facilities and funding by EXCITE network and Deutsche Forschungsgemeinschaft (DFG) - German Research Foundation

Now published #OpenAccess at rdcu.be/dLpbD
#UtrechtUniversity #evolution #biomineralization #paleontology #paleobiology #conodonts

In situ map of crystals in a section of a conodont tissue, with colors indicating crystal orientations. Next to it are pole figures showing the distributions of crystals in the directions of the c-axis and a-axis of apatite.
Public *
Albert Cardona

Dr. Núria Cortadellas and her colleague Almudena Fernández taught me electron microscopy – so grateful for all the time they shared with me and the opportunities granted.

I am very happy that my alma matter, the University of Barcelona, named a lecture hall in her honour (in 2022! How did I miss that?):

ccit.ub.edu/EN/2022/new2022032

www.ccit.ub.edu Centres Científics i Tecnològics de la UB
#academia#ElectronMicroscopy
Public
Lukas VFN 🇪🇺

Discovery of the first #fractal molecule in nature
phys.org/news/2024-04-discover

Emergence of fractal geometries in the #evolution of a metabolic #enzyme: Franziska Sendker et al. nature.com/articles/s41586-024

"They discovered a #microbial enzyme—citrate synthase from #cyanobacteria—that spontaneously assembles into a pattern known as the #SierpinskiTriangle. #ElectronMicroscopy and evolutionary #biochemistry studies indicate that this fractal may represent an evolutionary accident."

Illustration of the molecule discussed in the study
Public
Albert Cardona

Christel Genoud is recruiting an electron microscopy specialist at the University of Lausanne:
wp.unil.ch/emf/?trk=feed-detai

Job ad:
career5.successfactors.eu/care

wp.unil.chElectron Microscopy Facility University of Lausanne – As a core facility dedicated to service at the Faculty of Biology and Medicine, we serve in priority investigators from all departments of the UNIL. We are providing full service, training on all our instruments and autonomous access to trained users. External users are welcome to contact us to discuss opportunities.
#FediHire#ElectronMicroscopy#CryoEM
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Jan B

Various cool #SEM images I have taken during my master thesis:

These are ZnO #nanowires on a ZnO layer. The wires have a diameter 300 times smaller than a human hair.

Normally they should be attached to the silicon substrate, but a scratch caused this cool looking damage to the sample.

ZnO nanowires have cool properties, for example each wire can work as its own tiny laser under the right conditions.

#science#physics#physik
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Albert Cardona

"SmartEM: machine-learning guided electron microscopy" by Meirovitch et al 2023 (Nir Shavit and Aravi Samuel labs)
biorxiv.org/content/10.1101/20

Turn up the imaging rate of your scanning electron microscope by only imaging at high resolution the areas of the image necessary to resolve ambiguities in the low-res image. Motivated by the need for high-throughput but inexpensive imaging for #connectomics.

Schematic illustrating the extra steps in smart electron microscopy imaging which increase throughout considerably. Namely, detect error-prone regions in the segmentation step and then rescan them at higher resolution to resolve the ambiguities.
#neuroscience#vEM#ElectronMicroscopy
Public
DGE young microscopists

Dear fellow #microscopists 🔬
whether you work in #materialscience, #Physics or #lifesciences,
we, the #yDGE (part DGE dge-homepage.de) and BerlinUAlliance invite you to our Electron Microscopy Spring School 2024.
Thread ahead 🧵
#electronmicroscopy

The school will take place from Sunday 03 March 2024 to Wednesday 06 March 2024.

In short, the school offers EM-lectures 👩‍🏫👨‍🏫, hands-on courses👨‍🔬👩‍🔬 and data analysis👩‍💻👨‍💻
The first day gives you the chance to present your work🥳 and to get in contact with your peers🤝

❗️You can view the program here:
ydge.de/em-spring-school-2024/
❗️You can register for the workshop here:
docs.google.com/forms/d/e/1FAI
The participation fee will be 50€ for students and PhD-students and 60€ for non-students.

We thank our sponsors 💯 (in random order) BerlinUAlliance, FU_Berlin, BMBF_Bund, HumboldtUni, Berlin Senatsverwaltung für Wissenschaft, Gesundheit, Pflege und Gleichstellung, TUBerlin, IRISAdlershof, ChariteBerlin, CSMB_HU, Protochips and nion company

If you have further questions 🤔 contact us via contact@ydge.de.
Join our mailing list 📧 to don't miss out any further events of #yDGE: listserv.dfn.de/sympa/subscrib
Also, we have a discord channel where you can reach yDGE: discord.com/invite/mEEc2dvVcJ

See you soon,

yours yDGE

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