نتایج جستجو برای: microanalysis

تعداد نتایج: 3734  

Journal: :Microscopy and Microanalysis 2016

Journal: :Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada 2015
Seyoung Kim Youngsu Son Heechang Park Byungin Kim Dongwon Yun

In Microscopy and Microanalysis, an article, MAM1401332, Kim et al., was posted on First View, but shortly after, a co-author spotted an error at Figure 3c whereby a white rule appeared where it did not belong.

2014
M. Scimeca A. Orlandi I. Terrenato S. Bischetti E. Bonanno

Human cardio-respiratory diseases are strongly correlated to concentrations of atmospheric elements. Bioaccumulation of heavy metals is strictly monitored, because of its possible toxic effects. In this work, we utilized the EDX microanalysis in order to identify the potential heavy metal accumulation in the lung tissue.  To this aim, we enrolled 45 human lung biopsies: 15 non-small cell lung c...

Journal: :Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada 2001
Patrick Echlin

Abrief description is given of the events surrounding the development of biological X-ray microanalysis during the last 30 years, with particular emphasis on the contribution made by research workers in Cambridge, UK. There then follows a broad review of some applications of biological X-ray microanalysis. A more detailed consideration is given to the main thrust of current procedures and appli...

Journal: :Scanning 2011
Dominique Poirier Raynald Gauvin

Quantitative X-ray microanalysis models, such as ZAF or φ(ρz) methods, are normally based on solid, flat-polished specimens. This limits their use in various domains where porous materials are studied, such as powder metallurgy, catalysts, foams, etc. Previous experimental studies have shown that an increase in porosity leads to a deficit in X-ray emission for various materials, such as graphit...

Journal: :Circulation 1983
L M Buja K P Burton H K Hagler J T Willerson

The purpose of this study was to use energy dispersive x-ray microanalysis to test the following hypotheses: (1) that individual myocytes may exhibit important variation in the severity of alterations in intracellular ionic homeostasis in response to hypoxia and (2) that hypoxic myocytes may accumulate certain elements in quantities sufficient to impair organellar function and structure. A rabb...

2014
Peng Wang

Introduction Raman spectroscopy is one of the most common techniques for materials identification and characterization. Based on inelastic scattering of a monochromatic excitation source, Raman measures vibrational, rotational and other low-frequency modes in a system. It’s not only characteristic for functional groups, but also sensitive to backbone and crystalline structures. Therefore, Raman...

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