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The study of the effects of light on living organisms and biological processes.

pho′to·bi′o·log′ic (-bī′ə-lŏj′ĭk), pho′to·bi′o·log′i·cal (-ĭ-kəl) adj.


(Biology) the branch of biology concerned with the effect of light on living organisms
photobiological, photobiologic adj
ˌphotobiˈologist n


(ˌfoʊ toʊ baɪˈɒl ə dʒi)

the study of the effects of light on biological systems.
pho`to•bi`o•log′i•cal (-ˌbaɪ əˈlɒdʒ ɪ kəl) pho`to•bi`o•log′ic, adj.
pho`to•bi•ol′o•gist, n.
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References in periodicals archive ?
This work will be published soon in the Journal of Photobiology.
The discoveries made by photobiology at the time were already suggesting revolutionary ways of using artificial lighting.
As First Law of Photobiology states that light energy must be first absorbed by an atom or molecule in order to initiate a physical or chemical process.
Objective: This proposed Fellowship brings together an Experienced Researcher from India with expertise in the synthesis of photosensitizers and their photophysical characterization, tuning the excited-state properties, investigation of their photophysics and photobiology with an internationally recognized Host Laboratory in France with expertise in designing fluorescent molecular and nanoparticle probes for bioimaging.
In: Book of Abstracts of the 13th International Congress on Photobiology and 28th Annual Meeting of the American Society for Photobiology.
The services offered include analytical chemistry, microbiology photobiology, clinical safety and claims validation, in vitro and, consulting services.
Kaidbey, "Quantitative assessment of cumulative damage from repetitive exposures to suberythemogenic doses of UVA in human skin," Photochemistry and Photobiology, vol.
The services offered include analytical & pharmaceutical chemistry, microbiology, sterility testing, in-vitro and in-vivo toxicology, consulting services, photobiology and clinical safety and claims validation.
A magazine that," continues Monici, "is aimed at users of laser and electromagnetic fields for therapeutic purposes including, for example, doctors, physiotherapists and experts in the sector of lasers and magnetic fields, photochemistry, photobiology and photomedicine as physicists, engineers, biologists and chemists.
The foundation recommends the line "as an effective broad spectrum sunscreen, " because it meets the criteria and standards established by the foundation's Photobiology Committee.
Van Wijk Roeland, van der Greef Jan (2013): "Attributes characterizing spontaneous ultra-weak photon signals of human subjects", Journal of Photochemistry and Photobiology B: Biology, 129, 6-16.