For a science project, I am required to measure the intensity of the light given off by the Algae, Pyrocystis lunula. Can a photometer with a range of 1-50000 lux be able to pick it up? If not, what are some tools to measure the intensity(without costing to much money.)?


1 Answer 1


As stated here:

The lunate cysts of Pyrocystis lunula have a bioluminescent emission spectrum with a peak intensity of 477.5 ± 1 nm.

So, almost any spectrophotometer should be able to detect it, it's just bluish visible light.

  • $\begingroup$ So even the cheap ones? $\endgroup$
    – LilVinny
    Commented Sep 29, 2016 at 17:36
  • $\begingroup$ Even a phone camera $\endgroup$
    – alec_djinn
    Commented Sep 29, 2016 at 18:51

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