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Marco Grillo

@mgrillo.bsky.social
277 followers 518 following 46 posts

Developmental biologist. Spatial omics inventor. Co-founder of spatial.ist and haga.bio Researcher at nilssonlab.org

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Reposted by Marco Grillo
Tessa Montague @tessamontague.bsky.social · 29/09/2026
I'm excited to share our new preprint: Generation of a transgenic cephalopod tinyurl.com/pc86jxz8 Cephalopods (cuttlefish, octopus & squid) are crazy critters that dynamically camouflage to their surroundings by changing the color, pattern, & texture of their skin, which they control w their brain.
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Michalis Averof @michalis-averof.bsky.social · 23/09/2026
Nice example of how AI predictions are limited by the training set. AlphaFold has not learned the rules of protein folding, it's just great at predicting structures based on what it has already seen. Added constraints (e.g. alignment revealing conservation patterns) can help make a good prediction.
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Marco Grillo @mgrillo.bsky.social · 16/09/2026
Screen antibody collections for cross-reactivity against your favorite species! SixPack-AbScan is now posted as a preprint, with a few updates.
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Marco Grillo @mgrillo.bsky.social · 19/08/2026
Latest from our lab: highly multiplexed spatial miRNA profiling, with @agustinrobles.bsky.social, @augjensen.bsky.social, @nilssonlab.org and others! www.biorxiv.org/content/10.6...
biorxiv.org
Spatial microRNA profiling at single-cell resolution by in situ barcoded extension
The spatial organization of post-transcriptional regulation is a fundamental yet difficult to access layer of tissue biology. MicroRNAs (miRNAs) are small RNAs with a key role in post-transcriptional ...
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Stefan Luschnig @luschnig.bsky.social · 04/08/2026
Interested in using #Drosophila genetics & advanced imaging combined with modeling to study inter-organ transport and epithelial dynamics? We’re hiring a #PhD student @uni-muenster.de, based at the Multiscale Imaging Center and @sfb1348.bsky.social Graduate School. Apply here tinyurl.com/ypx74a5d
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jared toettcher @toettch.bsky.social · 24/07/2026
New Toettchlab paper alert! Harrison Oatman just published his beautiful work combining software design for "smart" microscopy+optogenetics and some really beautiful work understanding EGFR-driven collective cell migration. www.cell.com/cell-systems...
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Marco Grillo @mgrillo.bsky.social · 24/06/2026
I currently live a “double life”: I am both a Staff Scientist in an academic lab and Founder/CSO of a small biotech startup @hagabio.bsky.social . This is not super common, so I thought I’d put together a thread clarifying how this works, at least for me.
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Silicon Vikings @siliconvikings.bsky.social · 08/06/2026
#sthlmtech spatial biology startup Haga Bioscience has secured a $2.3M seed funding round from investors including @Almiinvest, Life Science Invest, SU Ventures, and a group of angel investors. By @arcticstartup arcticstartup.com/haga-bioscience-r… #NordicMade #biotech
arcticstartup.com
Sweden's Haga Bioscience attracts oversubscribed seed round for spatial RNA technology development - ArcticStartup
Haga Bioscience, a Stockholm-based spatial biology startup, has secured $2.3 million (SEK 20.9 million) in an oversubscribed seed funding round from investors
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Reposted by Marco Grillo
HAGA.BIO @hagabio.bsky.social · 23/06/2026
🎙️ Yesterday, Hower was invited to present our in situ technology at the VIB Spatial Omics 26 conference. It was a great opportunity to show the spatial omics field what we have been brewing!🔬 Thank you to the organizers and everyone who joined the session!✨ Catch Hower at poster #63 today💬
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Alex Eve @amjeve.uk · 18/06/2026
Journal impact factors were released yesterday. In our latest @dev-journal.bsky.social Editorial, @jamesbriscoe.bsky.social and I discuss how we are all architects of impact, highlighting that measuring the influence and support journals provide goes beyond a single number. doi.org/10.1242/dev....
doi.org
The elephant in the room: impact factor
Summary: This Editorial offers an honest look at impact factor trends in developmental biology, explains how Development serves its community, and makes the case that sustaining developmental biology ...
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Reposted by Marco Grillo
Ctenophores Rock! @ctenophoresrock.bsky.social · 17/06/2026
What is the evolutionary origin of the organizer? New work from @kremnyovs.bsky.social, @tclebedeva.bsky.social & Hejnol Lab @uni-jena.de reports the blastopore lip of the #ctenophore Mnemiopsis leidyi, a member of the evolutionary sister group to all other metazoans, exhibits organizer activity.
nature.com
A blastoporal organizer in a ctenophore - Nature
Experiments using the comb jelly Mnemiopsis leidyi and the sea anemone Nematostella vectensis reveal that the emergence of a core signalling pathway may have been a key innovation enabling the transit...
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HHMI @hhmi-science.bsky.social · 15/06/2026
Janelia is built for this moment. Starting today, we're taking on 2 big bets: cracking how a vertebrate brain generates behavior, & building AI-in-the-Loop Discovery — a new way of doing biology. Tiny transparent fish + one of neuroscience’s biggest questions? Let's go: hhmi.news/2BigBets
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James Briscoe @jamesbriscoe.bsky.social · 08/06/2026
Our latest: Minimal essential requirements for neural tube self-organisation How does a single cell give rise to a tissue with the right cell types in the right proportions? We deconstruct and rebuild a self-organising tissue from first principles A thread🧵 www.biorxiv.org/content/10.6...
biorxiv.org
Minimal essential requirements for neural tube self-organisation
The reliable generation of diverse cell types in precise proportions is essential for the formation of functional tissues during embryonic development. Three-dimensional organoid models derived from p...
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Julia Sero @cellmorphosero.bsky.social · 29/05/2026
Mechanisms of magnetosensing in pigeons - a surprise appearance of macrophages! Getting home in the dark | Science www.science.org/doi/10.1126/...
science.org
Getting home in the dark
Two mechanisms, independent of daylight, may enable pigeons to navigate using Earth’s magnetic field
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Reese Richardson @reeserichardson.bsky.social · 28/05/2026
TL;DR: We've identified more than 100 cases of apparent manipulation in Thermo Fisher Scientific's antibody verification data. @sholtodavid.bsky.social @johanduchene.bsky.social reeserichardson.blog/2026/05/28/h...
reeserichardson.blog
How much of Thermo Fisher’s antibody data has been manipulated?
We’ve documented more than 100 instances of apparent data manipulation in Thermo’s catalog
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Lisa Messeri @lmesseri.bsky.social · 19/05/2026
Is the purpose of science and 🧪 training to churn out papers or to create a healthy knowledge community? In a @nature.com comment, @mjcrockett.bsky.social and I check in on how AI helps with the former while jeopardizing the latter 1/
nature.com
The uncritical adoption of AI in science is alarming — we urgently need guard rails | Nature
Artificial intelligence is rapidly accelerating scientific output, but risks narrowing inquiry, weakening judgement and undermining how scientists are trained. Artificial intelligence is rapidly accelerating scientific output, but risks narrowing inquiry, weakening judgement and undermining how scientists are trained.
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Marco Grillo @mgrillo.bsky.social · 18/05/2026
A gentle reminder that if your customers are scientists, your products and claims will be extensively (and rightfully) scrutinized.
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eric lai @lucksmith.bsky.social · 30/04/2026
of many projects Craig Venter led, of personal significance was the fly genome, a unique and i think unexpected collaboration of his company Celera Genomics and the BDGP, led by my pd advisor Gerry Rubin. the power of a shotgun sequenced metazoan, benchmarked to a physical map, transformed genomics.
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James Gagnon @james-gagnon.bsky.social · 28/04/2026
Using light-activated CRISPR in zebrafish, we triggered synchronized DNA breaks and track the repair process. ⚡🐟⚡ 

 Well ... DNA repair is very different in embryos compared to tissue culture cells. Embryos repair DNA breaks incredibly fast - within minutes! www.biorxiv.org/content/10.6...
A cartoon showing how a caged guide RNA poises CRISPR cleavage until release by light. Below, a cartoon of injection of "light-activated CRISPR" into the embryo, followed by activation.
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Marco Grillo @mgrillo.bsky.social · 23/04/2026
At @szndohrn.bsky.social, the floor tiles have stitching and segmentation artifacts :) Just finished teaching the marvels of spatial omics to the great group of PhD students of @zoocell.biologists.social.ap.brid.gy, together with @alvarocrevenna.bsky.social. What a week! 🔬🍕🍝🍷🧪
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Berta Verd @bertaverd.bsky.social · 21/04/2026
New Pre-Print Alert! Evolving initial conditions: an alternative developmental route to morphological diversity with Shannon Taylor and @jamesehammond.bsky.social www.biorxiv.org/content/10.6...
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Marco Grillo @mgrillo.bsky.social · 13/04/2026
As mentioned elsewhere, I've been dreaming of solving this problem for a looooooooong time. Nice to see that my dreams were also the dreams of a very talented team! Slightly different approach, same problem, similar logic. Loving this!
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Marco Grillo @mgrillo.bsky.social · 12/04/2026
Capturing somatic mutations in single-cell probe-based assays (ie. 10X Flex) is a hard task, especially if you don't know *exactly* the mutations you want to capture, or if your target sequence is a mutational hotspot with many possible alternative alleles. Here's the way we pulled this off. Enjoy!
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Luciano Martelotto @lgmartelotto.bsky.social · 10/04/2026
Why so serious? 🃏 Marco Grillo, Anna Nam and yours truly 𝗚𝗼𝗧 𝗮 𝗙𝗶𝗹𝗹𝗶𝗻𝗴 that will make you happy 😃 No more limitations. Maximum flexibility. Something is coming. Stay tuned. #singlecellwithaplus
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chrismlangseth.bsky.social @chrismlangseth.bsky.social · 13/03/2026
Let me introduce you to KaroSpace, which is a rapid-access framework for interactive exploration of multi-sample spatial omics data. The preprint can be accessed here: www.biorxiv.org/content/10.6...
biorxiv.org
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Marco Grillo @mgrillo.bsky.social · 12/03/2026
Do you work with a strange model species and are frustrated by the lack of antibodies for immunos? Here's a web app that does some computational pre-screening for you. sixpack-abscan.serve.scilifelab.se
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Michalis Averof @michalis-averof.bsky.social · 09/03/2026
In animals with large genomes, finding cis-regulatory elements can be very challenging. Enhancers can be located tens/hundreds of kb away from their target promoters. We face this challenge in Parhyale, with >3 Gbp genome. We just published a preprint describing how we are tackling this problem. /1
biorxiv.org
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Nikos Konstantinides @nkonst4.bsky.social · 10/01/2026
I am very happy (and a bit scared) to present to you what we have been working on over the last 4 years. This manuscript is exactly what I dreamt of when I started the lab and I could not be happier and prouder of the outcome!
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bioRxivpreprint @biorxivpreprint.bsky.social · 13/12/2025
Mastodon: the Command Center for Large-Scale Lineage-Tracing Microscopy Datasets www.biorxiv.org/content/10.64898/20…
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Manuel Lera-Ramirez @handle.invalid · 24/11/2025
#OpenCloning is a an Open Source alternative to SnapGene/Benchling that supports automation and integration with other software ✅ Free 🔓 Open Source 🧬 More cloning methods than SnapGene 🤖 Can be automated with python 👨‍🔬 Built by a researcher — for researchers! 👉 Check it out at opencloning.org
A cloning strategy as depicted in the OpenCloning website
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Giulia Boezio @giulia-boezio.bsky.social · 26/10/2025
Thrilled to share my main postdoc work with @jamesbriscoe.bsky.social We used genomic barcoding + scRNAseq in chick & human embryos to reveal a lineage architecture that reshapes how we understand neural tube development & cell fate decisions 🧵👇 www.biorxiv.org/content/10.1...
biorxiv.org
Hierarchical lineage architecture of human and avian spinal cord revealed by single-cell genomic barcoding
The formation of neural circuits depends on the precise spatial and temporal organisation of neuronal populations during development. In the vertebrate spinal cord, progenitors are patterned into mole...
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The Transmitter @thetransmitter.bsky.social · 21/10/2025
There is still “an urgent need for donations from the community,” says Eric Lai, president of the Fly Board. By @callimcflurry.bsky.social #neuroskyence www.thetransmitter.org/community/fl...
thetransmitter.org
FlyBase secures funding for year, but future still uncertain
The FlyBase team’s fundraising efforts have proven successful in the short term, but restoration of its federal grant remains uncertain.
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Marco Grillo @mgrillo.bsky.social · 12/10/2025
www.nature.com/articles/s41...
nature.com
Reaffirming the value of model organisms in training scientific minds - Nature Cell Biology
As biomedical research prioritizes human models and translational promise, classic model organisms are increasingly dismissed. Here we argue that they have a lasting value, both in enabling discovery and in cultivating scientific thinking, by training researchers in systems reasoning, integrative thinking and independent inquiry.
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Michalis Averof @michalis-averof.bsky.social · 03/10/2025
Here it is! Postdoctoral position to identify the progenitors sensory organs in the regenerating legs of Parhyale apply here: www.averof-lab.org/pages/tracman 1/3
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Mats Nilsson's Lab @nilssonlab.org · 27/07/2025
🔬🧬🔍 If you're interested in spatial omics and miRNAs, don’t miss our latest review! We explore where the early field of spatial miRNomics stands, what’s missing, and why incorporating miRNAs matters for building richer spatial transcriptomic maps. #SpatialOmics #miRNA #GeneRegulation
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Mats Nilsson's Lab @nilssonlab.org · 15/09/2025
We're looking for a PhD student! Join the team to develop new technologies for targeted spatial omics. More info and instruction on how to apply at the following link: su.varbi.com/what:job/job...
su.varbi.com
Doktorand i biokemi
Institutionen för biokemi och biofysik. SciLifeLab ( SciLifeLab ) är ett nationellt center för molekylära biovetenskaper med fokus på forskning inom hälsa och miljö. Centret kombinerar ledande
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Michalis Averof @michalis-averof.bsky.social · 13/07/2025
We've just been awarded a grant to study the cellular basis of regeneration – to track the progenitors of sensory organs in the context of leg regeneration, in our favourite crustacean tinyurl.com/parhyale, based on live imaging and cell tracking. The project involves some cool collaborations... 1/3
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Mats Nilsson's Lab @nilssonlab.org · 08/07/2025
Our latest work is now live on bioRxiv! We use copy number variation inference to uncover tumor clonality from imaging-based spatial transcriptomics data. Check it out: doi.org/10.1101/2025...
doi.org
In Situ Inference of Copy Number Variations in Image-Based Spatial Transcriptomics
Copy number variations (CNVs) drive cancer progression. So far, spatial CNV inference has relied on whole transcriptome-based sequencing technologies. However, advances in image‐based spatial transcriptomics (iST) now enable high-plex gene measurement in situ. Here, we introduce an approach that adapts CNV inference to iST data, enabling spatial mapping of malignant clones and the tumor microenvironment, at single-cell resolution. Additionally, we assess how panel size and detection efficiency influence CNV inference. ### Competing Interest Statement S.M.S is co-founder of spatialist AB, a spatial omics consultancy company. H.H. is co-founder and Chief Scientific Officer of Omniscope, a Scientific Advisory Board member at Nanostring/Bruker and Mirxes, a consultant for Moderna and Singularity, and has received honoraria from Genentech. M.N. is co-founder of VoxlBio AB, a spatial omics reagents company. Swedish Research Council, https://ror.org/03zttf063, 2024-02533 Cancerfonden, 24-3457 Horizon Europe Mission on Cancer, 101136552 Swiss National Science Foundation, 222136 MCIN/AEI/10.13039/501100011033 and FSE+, RYC2022-035848-I MICIU/AEI/10.13039/501100011033/ FEDER/UE, PID2023-148687OB-I00 European Union’s H2020 research and innovation program, 848028 European Research Council (ERC), 810287 Ministerio de Ciencia e Innovación (MCI), PID2020-115439GB-I00, PLEC2021-007654 LaCaixa Foundation, HR22-0031, HR22-0172 Generalitat de Catalunya through the Suport Grups de Recerca AGAUR, 2021-SGR ERA-NET Neuron/Ministerio de Ciencia e Innovación (MCI), PCI2022-133012 ASPIRE Award from The Mark Foundation for Cancer Research Scientific Foundation of the Spanish Association Against Cancer U-CAN Erling Persson Foundation
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James Briscoe @jamesbriscoe.bsky.social · 08/07/2025
Useful perspective incorporating GRNs & gene modules into theory of evolutionary novelty Parker & Pennell emphasise gene modules, not individual genes, as fundamental units of phenotypic evolution Provides a needed evolutionary lens for analysing scRNAseq & cell types www.cell.com/current-biol...
cell.com
The cellular substrate of evolutionary novelty
Joseph Parker and Matt Pennell propose gene expression programs — sets of co-expressed transcripts that collectively encode cellular subfunctions — as fundamental entities from which novel organismal ...
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EMBL Events @events.embl.org · 17/06/2025
We're looking forward to another great day full of practicals and learning here at #EMBOSpatialOmics. We're having a great time so far, how about you? 😎
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Marco Grillo @mgrillo.bsky.social · 20/05/2025
Let's see what you've been up to @maxjtelford.bsky.social ;)
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Mark Peifer (He, him) @peiferlabunc.bsky.social · 16/04/2025
Our field has lost an amazing scientist, mentor, and old friend. Benny, along with Mike Hoffman, had a brilliant idea in the early 1980s. The first oncogenes were being cloned and they realized if we wanted to understand their roles in cancer, we needed to understand their normal function 1/n 🧪
Our colleague Prof. Benny (Ben Zion) Shilo passed away this morning 
@WeizmannScience
 . Benny worked at the forefront of world science in the study of molecular and developmental genetics. Among other things, he won the A.M.T. Prize in the field of genetics in 2013. He was also a great explainer of science, a kind teacher - and an artist photographer with a sharp eye and a sensitive soul. Benny, we will miss you very much. May his memory be blessed.
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Marco Grillo @mgrillo.bsky.social · 07/04/2025
www.quantamagazine.org/intelligence...
quantamagazine.org
Intelligence Evolved at Least Twice in Vertebrate Animals | Quanta Magazine
Complex neural circuits likely arose independently in birds and mammals, suggesting that vertebrates evolved intelligence multiple times.
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Marco Grillo @mgrillo.bsky.social · 19/03/2025
Ok. This is the coolest i've read in a while
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Nature Methods @natmethods.nature.com · 13/03/2025
A study from @sergiomarcosalas.bsky.social @nilssonlab.org and colleagues presents a comprehensive evaluation of Xenium in situ datasets and provides recommendations on analysis workflows. @scilifelab.se www.nature.com/articles/s41...
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Arnau Sebé-Pedrós @arnausebe.bsky.social · 03/03/2025
We offer three new positions to join BCA Phase 0: 1. A full-stack developer to work on the BCA database with @ebi.embl.org 2. A senior research technician to develop sc methods 3. A bioinformatician to analyze new atlases with @sangerinstitute.bsky.social Details below. Please, share and repost.
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Randall Munroe @xkcd.com · 26/02/2025
RNA xkcd.com/3056
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Mats Nilsson's Lab @nilssonlab.org · 14/02/2025
New paper alert! Led by the great Fernando Garcia Moreno, our lab's first venture into evolutionary developmental biology is out on @science.org www.science.org/doi/10.1126/...
science.org
Evolutionary convergence of sensory circuits in the pallium of amniotes
The amniote pallium contains sensory circuits that are structurally and functionally equivalent, yet their evolutionary relationship remains unresolved. We used birthdating analysis, single-cell RNA a...
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Marco Grillo @mgrillo.bsky.social · 14/02/2025
This paper here is the product of one of my funniest collaboration ever. Developmental biology, evolution, tech development, memes, gifs, improvised brainstorming sessions via WhatsApp, and so much more... Crazy things can happen when people with different skill sets have fun together!
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Florian Jug @florianjug.bsky.social · 08/02/2025
Immagine you could image two cellular structures in the same fluorescent channel and still reliably get them separated afterwards… What would you do with this? Now… what would you do if that also worked with 4 structures at once? 👇 #MicroSplit #preview🧵
Schematic overview on how MicroSpit operates. It can split superimposed structures in fluorescent image channels by using a suitably trained AI.Concrete example for how MicroSplit unmixes four superimposed structures.
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