Visualization of DNA and Protein–DNA Complexes with Atomic Force Microscopy

作者: Yuri L. Lyubchenko , Alexander A. Gall , Luda S. Shlyakhtenko

DOI: 10.1007/978-1-62703-776-1_17

关键词: Combinatorial chemistryDNANucleoproteinNucleic acidMicroscopyDivalentIonic bondingChemistryMicaSample preparation

摘要: This article describes sample preparation techniques for AFM imaging of DNA and protein-DNA complexes. The approach is based on chemical functionalization the mica surface with aminopropyl silatrane (APS) to yield an APS-mica surface. binds nucleic acids nucleoprotein complexes in a wide range ionic strengths, absence divalent cations, broad pH. chapter methodologies surfaces samples imaging. protocol synthesis purification APS also provided. applications are illustrated examples images

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