Summary
In order to obtain thin sections of plant tissues which combined good morphological preservation and the preservation of the substances and enzyme activities in the tissues, a concept of section preparation by external stabilization was developed. The main components are as follows: (1) appropriate supporting medium; (2) surface coating before each sectioning process, the coating being either non-permanent, permanent, or semi-permanent; (3) suitable techniques for affixing the coated sections to the slides using either pressure-sensitive adhesive or solvent-based adhesive; and (4) mounting media with defined refractive indices (preferably UV-curable, water-soluble monomers). By this approach, sections exhibiting excellent morphological and physiological preservation were obtained using either a cryostat at −30°C or a rotary microtome at room temperature.
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Fink, S. A new integrated concept for the improved preparation of sections of fresh or frozen tissue for light microscope histochemistry. Histochemistry 86, 43–52 (1986). https://doi.org/10.1007/BF00492344
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DOI: https://doi.org/10.1007/BF00492344