Discrepancies between descriptions and illustrations of colours in Congo red-stained amyloid, and explanation of discrepant colours.
作者： Alexander J. Howie , Mared P. Owen-Casey
DOI: 10.3109/13506129.2010.527448
关键词: Congo red 、 Mineralogy 、 Astrophysics 、 Art 、 Green colour 、 Amyloid (mycology)
摘要: Congo red-stained sections of amyloid may show various colours between crossed polariser and analyser. The aims were to see how papers described the colours, compare descriptions with illustrations, explain colours. In 160 on amyloid, commonest 'green birefringence' 'apple-green birefringence'. 191 figures in 82 papers, 59 (31%) showed a pure green colour, 62 (32%) yellow or blue yellow, 38 (20%) colour other than mostly red, 32 (17%) Discrepancies reported illustrated noted 127 (66%). Most (77) alone another figures, 30 no at all figures. Pure can be seen ideal conditions, but more often there are explained by strain birefringence, red combinations, uncrossing These anomalous just as characteristic colour. Many appear describe what is expected theoretically rather actually seen.
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