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Cryo-EM: Impact of EER format and super-resolution on SPA results
Geršl, David ; Dobrovský, Ladislav (oponent) ; Hůlka, Tomáš (vedoucí práce)
Cryo-electron microscopy (cryo-EM) has emerged as a pivotal tool in structural biology, enabling the visualization of biological macromolecules at atomic resolutions under cryogenic conditions. This thesis explores the intricacies of image resolution and localization errors within cryo-EM, particularly focusing on their impact on Single Particle Analysis (SPA). The experimental sections delve into the effects of various image resolutions and the introduction of artificial localization errors through super-resolution imaging techniques. Key findings indicate that while higher resolutions enhance detail and structural clarity, they significantly increase computational demands. Additionally, localization errors introduced by super-resolution imaging can adversely affect the accuracy of motion correction and Contrast Transfer Function (CTF) estimations, critical for accurate 3D reconstructions. These insights highlight the delicate balance required in cryo-EM between achieving high resolution and maintaining image integrity, suggesting directions for future research and technological advancements in electron microscopy.

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