Reposted by Richard Heldderek guy @dieworkwear.bsky.social · 06/12/2025The Nobel Prize committee should announce the World Cup winner tomorrow 507385357428
Reposted by Richard HeldCathy Spangler @cathyspangler.bsky.social · 24/11/2025Out today, we can now multiplex receptor mapping at synapses thanks to a dimeric gold nanoparticle label optimized by Hoyoung that's distinguishable from monomers! Dimeric gold nanoparticles enable multiplexed labeling in cryoelectron tomography | PNAS www.pnas.org/doi/10.1073/...pnas.orgPNASProceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans... 1167
Richard Held @rgsheld.bsky.social · 01/12/2025I wrote a bit about practical considerations for using #cryo-ET labels and some things to work on if we want to find any protein in any cell. authors.elsevier.com/a/1mA6h,LqAr...authors.elsevier.com 0154
Reposted by Richard HeldcryoEM papers @cryoempapers.bsky.social · 30/11/2025ExoSloNano: multimodal nanogold labels for identification of macromolecules in live cells and cryo-electron tomograms pubmed.ncbi.nlm.nih.gov/41315814/ #cryoEM 012
Richard Held @rgsheld.bsky.social · 07/11/2025Finally got to go through this carefully. An interesting paper and a tremendous amount of work. www.science.org/doi/10.1126/...science.org“Kiss-shrink-run” unifies mechanisms for synaptic vesicle exocytosis and hyperfast recyclingSynaptic vesicle (SV) exocytosis underpins neuronal communication, yet its nanoscale dynamics remain poorly understood owing to limitations in visualizing rapid events in situ. Here, we used optogenet... 161
Richard Held @rgsheld.bsky.social · 03/11/2025Gonna need somebody to explain daylight savings to my dogs 020
Reposted by Richard HeldSven Truckenbrodt @sventruckenbrodt.bsky.social · 15/09/2025The cat is officially out of the bag! The LMB is home to a unique community of outstanding connectomics scientists — I'm so excited about adding my own molecular and expansion microscopy expertise to the mix! This is going to be the most exciting journey of my scientific career — more soon! 🌈🧠 5344
Richard Held @rgsheld.bsky.social · 17/07/2025Saw someone designing a cloning strategy using chatgpt and for some reason that's kinda my breaking point in this particular discussion. How much thinking really needs to be outsourced for the sake of efficiency and who does that really serve in the end? 000
Reposted by Richard HeldDanielle Grotjahn @nanigrotjahn.bsky.social · 11/07/2025I have lots of opinions—but for your sake, I’ve limited them to segmentation in cryo-ET for this article 😉 www.sciencedirect.com/science/arti... #teamtomosciencedirect.comSegmenting cryo-electron tomography data: Extracting models from cellular landscapesCryo-electron tomography provides an unprecedented view of cellular architecture, yet extracting meaningful biological insights remains challenging. S… 13711
Reposted by Richard HeldJennifer Waters @jencwaters.bsky.social · 23/06/2025"The money the government sends to Harvard is, in effect, not a subsidy to advance the university’s mission. It’s a payment for the role Harvard plays in advancing the research mission of the United States." www.nytimes.com/interactive/...nytimes.comHere Is All the Science at Risk in Trump’s Clash With Harvard (Gift Article)More than 900 research grants worth $2.6 billion are in jeopardy. So is the 80-year-old model of American science. 13516
Richard Held @rgsheld.bsky.social · 21/06/2025Boston is the best city to run in. This is a take I'm willing to fight over. 020
Richard Held @rgsheld.bsky.social · 21/06/2025Having come up through US academia the rug pull of the last few months has been pretty extreme. Wondering how much longer I (& everyone else) get to do science sucks but with some dead-man's logic it also makes me really appreciate the years that I got to spend asking questions for their own sake. 040
Reposted by Richard HeldMichael Grange @michaelgrange.bsky.social · 17/06/2025Proud to share our latest paper. doi.org/10.1016/j.cr... Through the dedication of @glynnca.bsky.social and @cryingem.bsky.social we report a thorough method to image molecular organisation within hippocampus tissue. Structural biology in tissue is well and truly here! @rosfrankinst.bsky.social 26223
Reposted by Richard HeldDerek Lowe @dereklowe.bsky.social · 09/06/2025A call to stand up and show support for the Bethesda Declaration, the NIH, and for federally funded science in general.science.orgThe Bethesda Declaration 411856
Richard Held @rgsheld.bsky.social · 02/06/2025A formidable opponent in the fight against productivity. 020
Reposted by Richard Heldjankosinski.bsky.social @jankosinski.bsky.social · 30/05/2025New method toward modeling cells and viruses! HMFF enables integrative membrane modeling and simulation guided by electron microscopy data. Created by Valentin Maurer and Marc Siggel @embl.org @cssbhamburg.bsky.social, in collaboration with @WPezeshkian lab (1/n) www.biorxiv.org/content/10.1... 12710
Reposted by Richard HeldMichael Baym @baym.lol · 14/05/2025Yesterday, the NIH R35 “Outstanding Investigator” grant to fund scientists in my lab studying antibiotic resistance was terminated for reasons not related to the content of the science, or any actions taken by me or members of my lab 145875575
Richard Held @rgsheld.bsky.social · 13/05/2025Ok microtubule people, what is going on here? Cross section projection images, two different areas and surrounded by intact microtubules: 100
Reposted by Richard HeldRicardo D. Righetto @lifeonthewedge.bsky.social · 07/05/2025My colleagues @phaips.vd.st and @florentwaltz.bsky.social have put together this wonderful website with step-by-step tutorials for in situ subtomogram averaging using different software packages 🤩 Check it out, especially if you are a newcomer to the field! #CryoET #TeamTomo #ChlamyDataset 1132
Reposted by Richard HeldRicardo D. Righetto @lifeonthewedge.bsky.social · 23/04/2025We have updated our #MemBrain v2 preprint with a lot more details about the MemBrain-pick and MemBrain-stats modules, as well as some application examples! Stay tuned for the upcoming thread by lead author @lorenzlamm.bsky.social! 🧠🧵 #CryoET #TeamTomo www.biorxiv.org/content/10.1... 37020
Reposted by Richard HeldSven Klumpe @svenklumpe.bsky.social · 09/04/2025Thrilled to share these experiments on shaping focused ion beams to explore different ways of milling. Here, we explore using different beam geometries to generate cellular thin sections/lamellae. The video shows elongating the beam on a charging spot burn www.biorxiv.org/content/10.1... 26020
Reposted by Richard HeldbioRxivpreprint @biorxivpreprint.bsky.social · 06/04/2025Exploring shaped focused ion beams for lamella preparation www.biorxiv.org/content/10.1101/202… 063
Richard Held @rgsheld.bsky.social · 28/03/2025Maybe Jeffrey Goldberg is in all of our signal chats and we just have to step back from our lives for a bit to really notice him there. 010
Reposted by Richard HeldEd Twomey @cryoet.bsky.social · 26/03/2025Here's our newest study: we reveal the molecular principles of neuronal excitation by glutamate, and how physiological temperatures influence this process. www.nature.com/articles/s41... www.nature.com/articles/d41... Led by @anish-mondal07.bsky.social, published in @natureportfolio.nature.com 46023
Richard Held @rgsheld.bsky.social · 25/03/2025www.nytimes.com/2025/03/25/o...nytimes.comOpinion | Universities Can Afford to Fight TrumpEvery university president will face a choice similar to Columbia University’s in the coming months. 010
Reposted by Richard HeldKelton Minor @keltonminor.bsky.social · 18/03/2025There are days in life that shake you. I’m shattered 💔 to share that I just found out that the US Government terminated my 2024 NIH Director’s Early Independence Award (~$2 million), threatening my long-promised assistant professor job at Columbia University & academic career... 1/🧵 932031825
Richard Held @rgsheld.bsky.social · 03/03/2025Setting up exciting new crosses likemedia.tenor.coma man in a white shirt and tie says now kiss .ALT: a man in a white shirt and tie says now kiss . 010
Richard Held @rgsheld.bsky.social · 28/02/2025Soapbox: acknowledging that the establishment of pax americana is often a morally complicated legacy does not require you to say there is no "wrong side of history." Nuance =/= nihilism and whataboutism is designed to paralyze you into believing you can never act in a principled manner. 050
Richard Held @rgsheld.bsky.social · 25/02/2025As flying in the US gets increasingly dicey, we will have to fall back on our rail system in order to travel safely. *whispered sidebar* oh I see... 020
Reposted by Richard HeldReichow Lab @reichowlab.bsky.social · 21/02/2025#NIHFundedDiscovery How do cells avoid the "kiss of death"? Gap junctions share life-saving signals—but under stress, they shut down to prevent spreading cytotoxic damage. #CryoEM reveals the molecular switches behind this process! www.biorxiv.org/content/10.1... www.biorxiv.org/content/10.1... 213923
Richard Held @rgsheld.bsky.social · 21/02/2025Somewhere between this Derek Lowe quote and the Kendrick halftime show, you will find my current vibe 020
Reposted by Richard HeldJack Iwashyna @iwashyna.bsky.social · 20/02/2025Over on LinkedIn, the head of the Executive Secretariat of the NIH -- a central part of NIH leadership 🧪🩺-- resigned with a lettter worth reading www.linkedin.com/posts/nathan... 461252641
Richard Held @rgsheld.bsky.social · 20/02/2025Window shopping for Scientifica rigs like pressing my nose against a Ferrari dealership 010
Richard Held @rgsheld.bsky.social · 18/02/2025Going to patch for the first time since 2018 (🤯). How long do we think it takes to get a decent trace? Like riding a bike, I'm sure 😬 010
Richard Held @rgsheld.bsky.social · 14/02/2025Federal employees (even probationary) have rights and should immediately appeal if they are fired. www.mspb.govmspb.govU.S. Merit Systems Protection BoardMSPB Mission: To protect the Merit System Principles and promote an effective Federal workforce free of Prohibited Personnel Practices. 010
Richard Held @rgsheld.bsky.social · 14/02/2025My small selfish bit of rage – insignificant compared to the existential threats to US science – is that the work of almost half my life is going really well and taking off into new directions and I would love to be happy and optimistic about that. 130