Abstract
The hypothesis that biophotons display a high degree of coherence was tested by measuring photocount statistics (PCS) of the ultraweak photon emission from three living organisms (cucumber seedling, mungbean seedling and soybean rhizobium bacteroids) with a high-sensitivity single-photon counter. For comparison, the same experiments were performed for laser beam, randomized laser beam, chemiluminescence from autoxidation of luminol and the dark counts of the equipment. Photocount distributions, close to Poissonian, were observed for the three tested biological systems but not for the pure chemiluminescence of luminol.
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Shen, X., Liu, F. & Li, X.Y. Experimental study on photocount statistics of the ultraweak photon emission from some living organisms. Experientia 49, 291–295 (1993). https://doi.org/10.1007/BF01923404
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DOI: https://doi.org/10.1007/BF01923404