@markroscope

I'm Mark. I do lots of things. Electron microscopy is one of them.

 New York, NY
Joined November 2015
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Mark Ebrahim retweeted
Maha Zewail@MahaZewail3 Aug 2025
Remembering my father, Ahmed Zewail (1946–2016), Nobel laureate and pioneer of femtochemistry. An Egyptian-American scientist whose groundbreaking work changed how we see molecules. His legacy continues to inspire scientists around the world. #AhmedZewail #NobelPrize #Chemistry
The Nobel Prize
@NobelPrize2 Aug 2025
Chemical reactions take place in a matter of femtoseconds. One femtosecond is to a second, as a second is to 32 million years. #NobelPrize laureate Ahmed Zewail used lasers to watch these reactions in slow motion and study how atoms in a molecule move during a chemical reaction.
Ahmed Zewail at the Nobel Prize award ceremony in Stockholm on 10 December 1999. He is holding his Nobel Prize.

ALT Ahmed Zewail at the Nobel Prize award ceremony in Stockholm on 10 December 1999. He is holding his Nobel Prize.

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Happy to share @radhikaRMalik & co.'s paper in @NatureSMB. Using #cryoEM of the Rev1-PolZ holocomplex, they reveal the basis of its cooperativity in TLS. They discover the N-helix-BRCT module as a keystone of this coordination. @NCCATinfo @IcahnMountSinai nature.com/articles/s41594-0…

Cryo-EM structure of the Rev1–Polζ holocomplex reveals the mechanism of their cooperativity in...

Nature Structural & Molecular Biology - The authors elucidate by cryo-EM the mechanism by which DNA polymerases Rev1 and Polζ cooperate in translesion DNA synthesis.

nature.com
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Can't wait to see all our EM friends in the UK and make new ones! #ccpem #cryoem #structrualbiology #electronmicroscopy #Nottingham
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Such a pleasure to see the amazing #cryoET workflow development being done at @DiamondLightSou by @GilchristJB and the rest of the @eBIC_Diamond team. We're so happy our long operation upgrade will aid them in their endeavors. #CryoEM #teamtomo
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Invented by SubAngstrom in 2020, our Cryo-FIB Long Operation Upgrade enables researchers to develop cutting-edge lamella sample preparation techniques by allowing them to keep their Aquilos/Hydra cold for one week on a single dewar fill. Contact us to learn about Gen3 features.
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Please repost! Arimura Lab is hiring! We are seeking the next generation of MagICians (technicians and a postdoc) to elucidate the structural basis of events on chromosomes🧙‍♀️ No prior structural biology experience is required!! Link research.fredhutch.org/arimu…

Join the Lab

Opportunities available at the Arimura Lab at Fred Hutchinson Cancer Center.

research.fredhutch.org
Yasuhiro Arimura@ArmrYshr22 Jan 2024
Magnetic Isolation and Concentration (MagIC)-cryo-EM is a new method to enable direct structural analysis of targets captured on nanomagnetic beads, which requires only 0.0005 mg/mL of targets in 100 µL crude solution to make 10 cryo-EM grids. I will explain the magic behind it!
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