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Dualex ii by lexdj
The Dualex is an optical sensor developed by Force-A for the assessment of flavonol, anthocyanin, and chlorophyll contents in leaves. The sensor is a result of technology transfer from the CNRS (National Center for Scientific Research) and University of Paris-Sud Orsay. It allows to perform real-time and non-destructive measurements. The main applications are plant science and agriculture research.
Contents
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Calculated indices
The assessment of polyphenolic compounds in leaves is based on the absorbance of the leaf epidermis through the screening effect it procures to chlorophyll fluorescence. The indices calculated by Dualex are:
Applications
Based on the four measured indices, this optical sensor is applied in the fields of research as follows:
It is equally applied in studies related to chlorophyll (nutritional chlorosis, potential photosynthesis), flavonols (UV protection, leaf light environment) and anthocyanins (temperature stress, light selection).