Kristina Micheva

190 posts

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Kristina Micheva

Kristina Micheva

@kdmicheva

Neuroscientist, array tomographist, learner of languages and martial arts

Katılım Mayıs 2016
134 Takip Edilen258 Takipçiler
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Kristina Micheva
Kristina Micheva@kdmicheva·
Lipofuscin granules are actually beautiful! Array tomography of human cortex.
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Kristina Micheva
Kristina Micheva@kdmicheva·
@alon_douek I second @EM__Ian . Looks to me like they may be specifically within astrocytes, definitely not random and not lead. If you have serial sections I bet you could follow the same mysterious objects through the sections.
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Dr Alon Douek
Dr Alon Douek@alon_douek·
Any #TEM experts able to weigh in on something? We are seeing these small electron-dense things in brain. Not sure if it's real (samples are from a storage disease) or artifactual, but it looks worryingly like lead precipitate... #SciTwitter #ElectronMicroscopy
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Jemima Burden
Jemima Burden@JemimaBurden·
Delighted to announce that from October 2024, I can call myself "Professor"!🥳 This wouldn't have been possible without inspiration, encouragement and support from colleagues @LMCB_UCL, #UCL and beyond (you know who you are!🤗) & family and friends cheering me on! 🙏 #grateful
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Kristina Micheva
Kristina Micheva@kdmicheva·
@DaniBeckman Thank you for all your beautiful image and informative posts! You've created so many positive connections here, hopefully one day we bump into each other in real life! Take care of yourself 🌷🌻🪻
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Kristina Micheva
Kristina Micheva@kdmicheva·
Just look at this: axon is blue, astrocyte is in red, myelin loops (oligodendrocyte) are green. Axon initial segment remodeling in action! Congratulations to Miki Furusho and Mark Terasaki @aminiata for this important work!
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Kristina Micheva
Kristina Micheva@kdmicheva·
@DaniBeckman Looking at plaques in the brain always brings this contradiction of how can something so nasty look so beautiful!
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Danielle Beckman
Danielle Beckman@DaniBeckman·
Happy #MicroscopyMonday! Going back to my roots with some amyloid in this 3D image 🤓🔬! It shows two different markers for amyloid pathology: 🔴Anti-Amyloid Fibrils OC;🟢Thioflaving S: a Dye for β sheet-rich deposits found in misfolding protein diseases. Surrounding this amyloid plaque are some very activated astrocytes (🔵Gfap). You can see some delineating a blood vessel nearby, passing in the middle of the amyloid plaque. @zeiss_micro
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Kristina Micheva
Kristina Micheva@kdmicheva·
@MKirkcaldie @aniai_commune I kept this for my weekend read, and so glad I did - thank you for this engaging piece! It is a great reminder to look beyond the "cellular scale", across that gulf to the human/animal mind.
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Kristina Micheva
Kristina Micheva@kdmicheva·
@MattRGR None of these 😄 It's postembedding immunofluorescence on ultrathin sections of the brain embedded in Lowicryl, then heavy metal staining and SEM (conjugate IF-SEM array tomography).
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