Marcel Issler's Avatar

Marcel Issler

@macl-i.bsky.social

Biophysicist tying to make sense of life. Interdisciplinary @FWOVlaanderen PhD Fellow with @ColindaScheele at @vib_ccb.

273 Followers  |  1,240 Following  |  4 Posts  |  Joined: 14.01.2025
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Posts by Marcel Issler (@macl-i.bsky.social)

Little reminder about this paper out there, it's a great reference for anyone working on Flipper-TR experiments! By @chloeroffay.bsky.social @rouxlab.bsky.social

05.02.2026 08:10 β€” πŸ‘ 14    πŸ” 6    πŸ’¬ 0    πŸ“Œ 1

So curious to see whats possible with the latest and greatest tech in microscopy! Go Lucien!

20.01.2026 12:53 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Smart microscopy, computer vision, and controlling cells with light -- my PhD thesis in 3 minutes
YouTube video by Pertz Lab Smart microscopy, computer vision, and controlling cells with light -- my PhD thesis in 3 minutes

Won best thesis award with this video! 4 years of research and play in 3 minutes :')
youtu.be/so0fPlK1-LM

07.01.2026 11:26 β€” πŸ‘ 67    πŸ” 24    πŸ’¬ 12    πŸ“Œ 1
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Uni Bern: PhD Position in Statistics with a focus on Statistical Machine Learning for Self-Driving Microscopy

πŸ”¬πŸ“Š PhD (100%) – Statistics & ML for self-driving microscopy

Joint PhD with David Ginsbourger (Stats) & Pertz Lab (Cell Biology).
Gaussian Processes, Bayesian design, active learning on live-cell experiments.

ohws.prospective.ch/public/v1/jo...

#PhD #Statistics #MachineLearning #Bayesian

21.12.2025 14:48 β€” πŸ‘ 18    πŸ” 12    πŸ’¬ 0    πŸ“Œ 0

About microfabrication
bsky.app/profile/epim...

20.12.2025 13:03 β€” πŸ‘ 4    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0

πŸ“š Welcome to the Epithelial Mechanics Fan Club! 🌟

We're all about sharing research papers and threads. If you'd like to contribute, please send DM us! πŸ’¬

Our goal is to build a community that fosters knowledge sharing.

Explore our previous 🧡 here πŸ‘‡

21.11.2024 22:40 β€” πŸ‘ 58    πŸ” 22    πŸ’¬ 3    πŸ“Œ 29
Β»Die extremen AuswΓΌchse der neuen Wissenschaftsfeindlichkeit lassen sich bereits jetzt in den USA beobachten. Hier in Berlin- Mitte, rund um die Luisenstraße, haben wir die alten CharitΓ©-HΓΆrsΓ€le, in denen die PortrΓ€ts hΓ€ngen – von den Kollegen, die in den dreißiger Jahren die CharitΓ© verlassen mussten. Auch wenn die Motive heute andere sind: 
Wir alle innerhalb der Wissenschaft sollten nicht glauben, dass sich solche Dinge in ihren GrundzΓΌgen nicht wiederholen kΓΆnnen.Β«

Christian Drosten
https://www.diw.de/de/diw_01.c.932545.de/100_jahre_diw/wissenschaft_ist_freiheit_und_pflicht.html

Β»Die extremen AuswΓΌchse der neuen Wissenschaftsfeindlichkeit lassen sich bereits jetzt in den USA beobachten. Hier in Berlin- Mitte, rund um die Luisenstraße, haben wir die alten CharitΓ©-HΓΆrsΓ€le, in denen die PortrΓ€ts hΓ€ngen – von den Kollegen, die in den dreißiger Jahren die CharitΓ© verlassen mussten. Auch wenn die Motive heute andere sind: Wir alle innerhalb der Wissenschaft sollten nicht glauben, dass sich solche Dinge in ihren GrundzΓΌgen nicht wiederholen kΓΆnnen.Β« Christian Drosten https://www.diw.de/de/diw_01.c.932545.de/100_jahre_diw/wissenschaft_ist_freiheit_und_pflicht.html

#Wissenschaftsfeindlichkeit @cdrosten.bsky.social

19.12.2025 20:46 β€” πŸ‘ 1513    πŸ” 480    πŸ’¬ 13    πŸ“Œ 6
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Looks like someone is misusing GloBIAS and its president name to approach people for money transfers. Please note - GloBIAS will always send proper payment requests and has no need for members and volunteers to transfer money on their behalf.

25.11.2025 14:56 β€” πŸ‘ 0    πŸ” 6    πŸ’¬ 0    πŸ“Œ 1
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is there a direct crosstalk between actin and vimentin intermediate filaments? Our work shows that vimentin promotes actin assembly by stabilizing ATP-subunits at the barbed end.
Fantastic work done by @lilianpaty.bsky.social with @romet-jegou-lab.bsky.social

www.biorxiv.org/content/10.1...

24.11.2025 10:15 β€” πŸ‘ 36    πŸ” 15    πŸ’¬ 0    πŸ“Œ 0

Where are you! Can't wait :)

30.09.2025 08:32 β€” πŸ‘ 5    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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😍 🩷 A little sneak peak of #cellmech2025

30.09.2025 07:54 β€” πŸ‘ 11    πŸ” 1    πŸ’¬ 0    πŸ“Œ 1
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Shroff, N. P., Xu, P., Kim, S., Shelton, E. R., Gross, B. J., Liu, Y., ... & Klein, O. D. (2024). Proliferation-driven mechanical compression induces signalling centre formation during mammalian organ development. Nature cell biology, #EpithelialMechanics www.nature.com/articles/s41...

23.09.2025 07:00 β€” πŸ‘ 14    πŸ” 3    πŸ’¬ 0    πŸ“Œ 0

We're looking for highly motivated candidates for PhD positions in the physics of living systems.

Our group uses theoretical physics to understand how cells collectively self-organize.

If you're interested, get in touch & check out the Biozentrum PhD Fellowship program, deadline October 12th!

15.09.2025 10:04 β€” πŸ‘ 15    πŸ” 9    πŸ’¬ 0    πŸ“Œ 1
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Epithelial tension controls intestinal cell extrusion Cell extrusion is essential for homeostatic self-renewal of the intestinal epithelium. Extrusion is thought to be triggered by crowding-induced compression of cells at the intestinal villus tip. In th...

1/11 In @science.org: A new perspective on how our intestines renew. Cells are not β€œpushed out” by crowding or die from apoptosis. Instead, cells play a mechanical tug-of-war, where weaker cells extrude, reframing gut renewal as force-regulated. www.science.org/doi/10.1126/...

06.09.2025 19:35 β€” πŸ‘ 77    πŸ” 29    πŸ’¬ 1    πŸ“Œ 1
Visual of segmented human induced pluripotent stem cells with the key workshop dates: Symposium on November 10-11, Hackathon on November 12-14th in Zurich Switzerland

Visual of segmented human induced pluripotent stem cells with the key workshop dates: Symposium on November 10-11, Hackathon on November 12-14th in Zurich Switzerland

We're happy to announce the 2025 International OME-NGFF workshop πŸŽ‰

πŸ“… Dates:
- Symposium: Nov 10–11, 2025
- Hackathon: Nov 12–14, 2025

πŸ“ Location: Zurich, Switzerland

Full details & registration: www.biovisioncenter.uzh.ch/en/events/Up...Β 

#bioimaging #openscience #OMENGFF #OMEZarr

(1/x 🧡)

25.08.2025 09:07 β€” πŸ‘ 40    πŸ” 32    πŸ’¬ 1    πŸ“Œ 4

Very happy to see it out, another fun collaboration with the Sixt group at @istaresearch.bsky.social ! See Mehmet's thread for a summary of how different immune cells can "surf" on each other's self-generated gradients to drive efficient co-migration!

22.08.2025 08:34 β€” πŸ‘ 13    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
Figures from the mentioned paper showing FLIM curve and its derivative.

Figures from the mentioned paper showing FLIM curve and its derivative.

Oh, nice, just found a paper from @joergenderlein.bsky.social and co on blind estimation of IRF for FLIM measurements pmc.ncbi.nlm.nih.gov/articles/PMC...
It should be useful!

19.08.2025 15:35 β€” πŸ‘ 3    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
A modified Simpsons scene: Homer in the bathtub, and Bart with a chair (Homer labeled as Protein Minding its own business, Bart labeled as Kinase, with an ATP). The next panel shows Bart hitting Homer with the chair and the ATP turning into ADP and a P

A modified Simpsons scene: Homer in the bathtub, and Bart with a chair (Homer labeled as Protein Minding its own business, Bart labeled as Kinase, with an ATP). The next panel shows Bart hitting Homer with the chair and the ATP turning into ADP and a P

Have we started the science shitposting yet

10.07.2023 19:49 β€” πŸ‘ 238    πŸ” 39    πŸ’¬ 15    πŸ“Œ 2

Waiting for Sam to tell us that GPT-6 will be Nobel level of intelligence and that it can see more colours than a mantis shrimp

08.08.2025 12:23 β€” πŸ‘ 33    πŸ” 5    πŸ’¬ 1    πŸ“Œ 0
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for MCF10A also seems to be dependent a lot on density! looks very different compared to this (over)confluent epithelia i imaged some time ago on confocal. +1 for zarr+dask, has been working great for us with on data πŸ‘Œ any tricks on how to convert .czi to .zarr without loosing compression?

26.07.2025 15:49 β€” πŸ‘ 1    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0

In my experience the default zarr already scores quite efficiency on disk, but thats for data that has lots of zeros. In terms of czi conversion i would use the bioio package. However i don't know if you can maintain the compression. Otherwise native zarr supports zipstore, which might help.

26.07.2025 17:06 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Nice! Indeed nuclei are pancakes when they are not inside a 3D matrix, since glass or hard plastic is incredibly charged, pulling all towards the interface. Regarding the big files, i suggest to use zarr and dask, seems like the whole field is moving there.

26.07.2025 15:41 β€” πŸ‘ 3    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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first data from the new LLSM in PertzLab @olivierpertz.bsky.social! i always thought nuclei were spherical but they are pancakes???? so much more to see in 3d, but data volume produced is insane, we will have to rethink our analysis pipelines. tips welcome! here shown in @napari.org

26.07.2025 08:29 β€” πŸ‘ 75    πŸ” 15    πŸ’¬ 5    πŸ“Œ 1

πŸš€ Big news! The napari hub has been reimplemented and is now community-run! :tada: It's still the go-to place for finding and sharing napari plugins, but the website is now snappier and lighter-weight. Check it out πŸ‘‰ www.napari-hub.org

23.07.2025 17:22 β€” πŸ‘ 20    πŸ” 6    πŸ’¬ 1    πŸ“Œ 0
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Have you ever thought about inflating tissues?
Or maybe quickly deflating those inflated tissues?

New #EpithelialMechanics pre-print: doi.org/10.1101/2025...
🧡 with pressure control, multiscale buckling, controlled wrinkling

03.07.2025 14:23 β€” πŸ‘ 85    πŸ” 32    πŸ’¬ 7    πŸ“Œ 2
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Morphodynamics of human early brain organoid development - Nature Human brain morphodynamics are explored using organoids.

Very happy to share it’s online! If you read the preprint, updates include tracking cells and tissue flow, Histo4i timecourse (69 Abs) comparing spatial patterning emergence and a new WLS KO ipsc line establishing mechanosensing via YAP-WLS/WNT caudalizes organoids www.nature.com/articles/s41...

01.07.2025 20:36 β€” πŸ‘ 33    πŸ” 6    πŸ’¬ 0    πŸ“Œ 0

The 2025 VIB.AI International PhD Call closes June 22nd.

We’re offering 4 fully funded PhD positions across labs tackling big questions in biology with AI and machine learning, covering protein design, computational neuroscience, gene regulation, and more.
πŸ‘‰ https://tinyurl.com/53nc9vnd

18.06.2025 11:37 β€” πŸ‘ 5    πŸ” 3    πŸ’¬ 0    πŸ“Œ 0
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Unfortunately, we need to cancel the upcoming #GloBIAS seminar. Please check our webpage: www.globias.org/activities/b... for updates/ new date for this session.

18.06.2025 11:13 β€” πŸ‘ 0    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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Hey bioimaging folks, join us for the next OME-NGFF Community Call on June 24 at 9:00 CEST and 17:00 CEST!

Details and agenda on the one and only image.sc here: forum.image.sc/t/join-us-fo...

03.06.2025 10:17 β€” πŸ‘ 10    πŸ” 10    πŸ’¬ 0    πŸ“Œ 0
ZEP10: Generic extensions (v3.2 spec changes) by joshmoore Β· Pull Request #344 Β· zarr-developers/zarr-specs This is the implementation of ZEP10 which introduces a generic extensions object. Β  Β  Β  Β  ☝🏽 πŸ‘‰πŸ½ Rendered ZEP10 page: https://zeps--67.org.readthedocs.build/en/67/draft/ZEP0010.html πŸ—“οΈ Proposed...

🧠 Interested in extending #Zarr?

Let us know what you think about ZEP10 "Generic extensions". Current plan is for voting on the proposal mid-June. πŸ“…

github.com/zarr-develop...

16.05.2025 15:05 β€” πŸ‘ 4    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0