Výsledky vyhledávání - "T. F. Johnson"

Spontaneous tension pneumothorax and acute pulmonary emboli in a patient with COVID-19 infection

Autor: Franklin T F Johnson, Revati Naran, S.S. Hare, Ruhaid Khurram

Publikováno v: BMJ Case Reports

The COVID-19 pandemic has had a significant impact on the structure and operation of healthcare services worldwide. We highlight a case of a 64-year-old man who presented to the emergency department with acute dyspnoea on a background of a 2-week his

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::991195e4e4128e461bd3dd75bf7dd6eb
https://doi.org/10.1136/bcr-2020-237475

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Three dimensional characterisation of chromatography bead internal structure using X-ray computed tomography and focused ion beam microscopy

Autor: T F, Johnson, J J, Bailey, F, Iacoviello, J H, Welsh, P R, Levison, P R, Shearing, D G, Bracewell

Publikováno v: Journal of chromatography. A. 1566

X-ray computed tomography (CT) and focused ion beam (FIB) microscopy were used to generate three dimensional representations of chromatography beads for quantitative analysis of important physical characteristics including tortuosity factor. Critical

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::5d9f8d14a40025626239e4d0b1777260
https://pubmed.ncbi.nlm.nih.gov/29970222

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X-ray computed tomography of packed bed chromatography columns for three dimensional imaging and analysis

Autor: T F, Johnson, P R, Levison, P R, Shearing, D G, Bracewell

Publikováno v: Journal of chromatography. A. 1487

Physical characteristics critical to chromatography including geometric porosity and tortuosity within the packed column were analysed based upon three dimensional reconstructions of bed structure in-situ. Image acquisition was performed using two X-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::6737b83caea155a88e6a978ab407a009
https://pubmed.ncbi.nlm.nih.gov/28129938

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Magnetic domain structures in ultrathin FexNi(1−x) films on Cu(111): Dependence on film thickness and stoichiometry

Autor: Donald P. Land, Shirley Chiang, Xiangdong Zhu, Frithjof Nolting, J. A. Giacomo, T. F. Johnson, Andreas Scholl, Y. Sato

Publikováno v: Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 22:135-139

The magnetic domain structures in thin FexNi(1−x) alloy films grown on Cu(111) have been investigated by the photoemission electron microscope (PEEM). By tuning the photon energy to respective x-ray absorption edges, element-specific information ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c9fd51838540cdd011ddc14642d866e7
https://doi.org/10.1116/1.1631295

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Cryogenic tank structure sizing with structural optimization method

Autor: D. W. Sleight, T. F. Johnson, E. Saether, J. T. Wang

Publikováno v: 19th AIAA Applied Aerodynamics Conference.

Structural optimization methods in MSC /NASTRAN are used to size substructures and to reduce the weight of a composite sandwich cryogenic tank for future launch vehicles. Because the feasible design space of this problem is non-convex, many local min

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cd153bf239ce543c3c66c9bf31dd00a4
https://doi.org/10.2514/6.2001-1599

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X-ray Magnetic Linear Dichroism of Fe-Ni Alloys on Cu(111)

Autor: G. E. Thayer, D.A. Arena, Y. Sato, M. Hochstrasser, Simon A. Morton, T. F. Johnson, J.D. Shine, Xiangdong Zhu, James G. Tobin, J. A. Giacomo, D.P. Land, Shirley Chiang

Publikováno v: MRS Proceedings. 674

We have prepared FexNi1−x multilayers on Cu(111) in order to learn how to control the structure and magnetism of these thin alloy films, which are relevant to the giant magnetoresistance (GMR) effect used in magnetic disk drive heads. Using the Spe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::28df49dfe5c0b280dbdac1e1a9b9d1c3
https://doi.org/10.1557/proc-674-u7.9

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High density lipoprotein apolipoproteins mediate removal of sterol from intracellular pools but not from plasma membranes of cholesterol-loaded fibroblasts

Autor: T F Johnson, J P Slotte, Armando J. Mendez, John F. Oram

Publikováno v: Arteriosclerosis and thrombosis : a journal of vascular biology. 11(2)

Cultured cells possess high-affinity binding sites (receptors) for high density lipoprotein (HDL) that appear to mediate removal of excess intracellular cholesterol from cells. To examine the role of intact HDL apoproteins in receptor-mediated choles

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e65ffa1b9c30019809b6d1611d7f4d4
https://pubmed.ncbi.nlm.nih.gov/1998658

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