Abstract
ONE of the most recent and interesting applica tions of ultra-violet light as a testing method is its use as an aid to microscopical work. Since it is well known that structures visible to the naked eye show distinguishing features in ultra-violet light which are invisible in ordinary light, it is not un natural that the application to microscopic structures of the same principle should have been attempted. As already indicated1, this method has met with considerable success, notably in the examination of sections of botanical specimens such as seeds, tissues, etc., the best results being obtained in cases where the individual details of the structure fluoresce differently. Starch and fatty matters, for example, fluoresce vividly and stand out in sharp contrast, and a notable case is that of cacao, in which the shell tissues and mucilage cells may be distinguished in this way.
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References
NATURE, 133, 124, Jan. 27, 1934.
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G., J. Fluorescence Microscopy and its Application to the Identification of Fibres. Nature 134, 635–636 (1934). https://doi.org/10.1038/134635a0
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DOI: https://doi.org/10.1038/134635a0
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