Abstract:
:Much of atmospheric water originates from transpiration, the process by which plants release H2O from pores, known as stomata, that simultaneously intake CO2 for photosynthesis. Controlling stomatal aperture can regulate the extent of water transport in response to dynamic environmental factors including osmotic stress, temperature, light, and wind. While larger leaf regions are often examined, the extent of water vapor release from individual stomata remains unexplored. Using a "brush-on" sensing material, we can now assess transpiration using a water-responsive, polydiacetylene-based coating on the leaves surfaces. By eliciting a fluorometric signal to passing water vapor, we obtained information regarding the activity of individual stomata. In this demonstration, our results prove that this coating can identify the proportion of active stomata and the extent of transpirational diffusion of water in response to different conditions.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Seo M,Park DH,Lee CW,Jaworski J,Kim JMdoi
10.1038/srep32394subject
Has Abstractpub_date
2016-08-31 00:00:00pages
32394issn
2045-2322pii
srep32394journal_volume
6pub_type
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