Fluorescence properties of Early Cambrian acri-tarchs were investigated using Leica das Mikroskop(DM)microscopy with a mercury lamp.Well-preserved autoflures-cence properties show a correlation between acritarchs morp...Fluorescence properties of Early Cambrian acri-tarchs were investigated using Leica das Mikroskop(DM)microscopy with a mercury lamp.Well-preserved autoflures-cence properties show a correlation between acritarchs morphology and the intensity of emitted fluorescence.In accordance with the fluorescence intensity of organic cell walls,two groups of microfossils were distinguished.Results of observation in this study,which are consistent with those of the previous foreign studies,are in good agreement with regular difference in autofluorescence intensity among paly-nomorphs reported by McPhilemy(1998).Spores and algae,including Botryococcus,have very bright fluorescence while acritarchs often show less intense fluorescence.Dark brown microfossils have been reworked,and have little or no fluorescence.展开更多
基金This work was supported by the“Western China Light”Science Foundation(Chinese Academy of Science)(No.0240401)State Key Laboratory of Palaeobiology and Stratigraphy(Nanjing Institute of Geology and Palaeontology,Chinese Academy of Science)(No.073105).
文摘Fluorescence properties of Early Cambrian acri-tarchs were investigated using Leica das Mikroskop(DM)microscopy with a mercury lamp.Well-preserved autoflures-cence properties show a correlation between acritarchs morphology and the intensity of emitted fluorescence.In accordance with the fluorescence intensity of organic cell walls,two groups of microfossils were distinguished.Results of observation in this study,which are consistent with those of the previous foreign studies,are in good agreement with regular difference in autofluorescence intensity among paly-nomorphs reported by McPhilemy(1998).Spores and algae,including Botryococcus,have very bright fluorescence while acritarchs often show less intense fluorescence.Dark brown microfossils have been reworked,and have little or no fluorescence.
