Výsledky vyhledávání - "R D, Leapman"

Limitations of beam damage in electron spectroscopic tomography of embedded cells

Autor: M A, Aronova, A A, Sousa, G, Zhang, R D, Leapman

Publikováno v: Journal of microscopy. 239(3)

Elemental mapping in the energy filtering transmission electron microscope (EFTEM) can be extended into three dimensions (3D) by acquiring a series of two-dimensional (2D) core-edge images from a specimen oriented over a range of tilt angles, and the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::46c358117cb87985edc6f9c512d54f77
https://pubmed.ncbi.nlm.nih.gov/20701660

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Thickness measurement of hydrated and dehydrated cryosections by EELS

Autor: S, Shi, S, Sun, S B, Andrews, R D, Leapman

Publikováno v: Microscopy research and technique. 33(3)

Electron energy-loss spectroscopy (EELS) provides a useful method for determining the thickness of frozen-hydrated and dehydrated cryosections in terms of the inelastic mean free path. Cryosection thickness is an important parameter because plural in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::dbd42d650754756a0a8b11dffaea7931
https://pubmed.ncbi.nlm.nih.gov/8652882

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Quantitative dark-field mass analysis of ultrathin cryosections in the field-emission scanning transmission electron microscope

Autor: S B, Andrews, R A, Buchanan, R D, Leapman

Publikováno v: Scanning microscopy. Supplement. 8

The availability of a cryotransfer stage, highly efficient electron energy loss spectrometers, and ultra-thin-window energy-dispersive x-ray spectrometers for the VG Microscopes HB501 field-emission scanning transmission electron microscope (STEM) pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::0780bcad05bb23e6c214b2ef2f6a7559
https://pubmed.ncbi.nlm.nih.gov/7638482

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Cryo-Em of Large Unilamellar Phospholipid Vesicles That Self- Assemble At a Critical Temperature

Autor: T. Talbot, R. D. Leapman, F. Booy, N. L. Gershfeld

Publikováno v: Microscopy and Microanalysis. 7:714-715

The mechanism for assembly of membrane lipid bilayers in vivo is generally considered to occur on existing membranes which act as templates for the assembly process. Not presently understood is the source of the membrane template. A thermodynamic the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::957cd6497ff7835ee1110f3ecb7cec12
https://doi.org/10.1017/s1431927600029640

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Analysis of Biological Structures by Electron Energy Loss Spectroscopy and Imaging

Autor: S. B. Andrews, R. D. Leapman

Publikováno v: Microscopy and Microanalysis. 7:1166-1167

As techniques for electron energy-loss spectroscopy (EELS) reach a higher degree of optimization, detection limits for analyzing biological structures are approaching those predicted by theory. in favorable specimens, single atom detection is predict

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c08f168657088b6103974e2a4e0997de
https://doi.org/10.1017/s1431927600031901

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Mapping Phosphorus In Macromolecular Assemblies At Near Single Atom Sensitivity By Stem-Eels

Autor: N. W. Rizzo, R. D. Leapman

Publikováno v: Microscopy and Microanalysis. 5:1296-1297

In principle, electron energy loss spectroscopy (EELS) in the scanning transmission electron microscope (STEM) should be able to detect single atoms of phosphorus in biological macromolecules. Such a capability would provide a direct method for measu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4b12d684aaa811cde26e77d3ae07284
https://doi.org/10.1017/s1431927600019802

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