Low frequency photoacoustics for monitoring the photobaric component in vivo of green leaves

A. Frandas, H. Jalink, R. van der Schoor

    Research output: Contribution to journalArticleAcademicpeer-review

    4 Citations (Scopus)

    Abstract

    The photoacoustic frequency spectrum under steady-state conditions from Philodendron green leaves attached to the plant was measured in the 0.2-200 Hz frequency range. The PA amplitude spectrum showed a maximum at low frequency (around 1 Hz) which was attributed to an optimum frequency for oxygen evolution. The signal decreased at a lower frequency, where the oxygen or carbondioxide uptake starts to become important. Efficiency of the oxygen evolution as a function of excitation light intensity was determined for different levels of background light.
    Original languageEnglish
    Pages (from-to)65-67
    JournalPhotosynthesis Research
    Volume52
    Issue number1
    DOIs
    Publication statusPublished - 1997

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