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The use of backscattered electrons in analytical electron microscopy for the measurement of the mass of individual rat blood platelets

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Summary

The backscattered electron signal, generated in individual cells, has been used to measure the dry mass of these cells. Absolute mass values were obtained by comparing the backscattered electron signals of cells to the signals of polystyrene-latex spheres of known mass. The technique was carried out in an automated analytical scanning transmission electron microscope and applied to rat blood platelets.

The resulting mass distributions agreed well with the distribution measured with a method that uses the transmitted electron signal by means of densitometric analysis of electrographs. Also the range of masses was in agreement with values deduced from data in the literature.

The fully automated technique has the advantage that it is direct, fast, and that thicker specimens can be measured than is possible using the transmitted electron signal. The method is intended for use in combination with quantitative electron probe X-ray microanalysis and is then able to produce elemental mass fractions of biological specimens at the subcellular level.

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Authors and Affiliations

  1. Institute for Submicroscopic Morphology, University of Nijmegen, Medical School, P.O. Box 9101, NL-6500 HB, Nijmegen, The Netherlands

    A. L. H. Stols, A. M. Stadhouders, P. W. J. Linders & R. A. van de Vorstenbosch

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  1. A. L. H. Stols
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  2. A. M. Stadhouders
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  3. P. W. J. Linders
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  4. R. A. van de Vorstenbosch
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In honour of Prof. van Duijn

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Stols, A.L.H., Stadhouders, A.M., Linders, P.W.J. et al. The use of backscattered electrons in analytical electron microscopy for the measurement of the mass of individual rat blood platelets. Histochemistry 84, 379–382 (1986). https://doi.org/10.1007/BF00482966

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  • DOI: https://doi.org/10.1007/BF00482966

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