Photobleaching of pink photoluminescence in bandicoot fur

Reinhold, Linda M. (2023) Photobleaching of pink photoluminescence in bandicoot fur. Australian Zoologist, 43 (2). pp. 244-254.

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Bright pink-orange-red photoluminescent (fluorescent and/or phosphorescent) fur is being found in an increasing number and diversity of mammal species. With the molecules causing these colours of photoluminescent emission suspected to be mostly photosensitive porphyrins, degradation from light exposure is an unquantified contributor to false negatives in museum-based surveys. I tested the resistance of pink photoluminescent bandicoot, Peramelidae, fur to exposure to natural sunlight and artificial laboratory lighting. Photoluminescence underwent visibly noticeable photobleaching in two minutes of direct sun exposure, or a few hours when exposed to indoor lighting. The fleeting nature of porphyrins means that an accurate representation of pink-orange-red photoluminescence should not be expected in specimens that have been exposed to light, whether in life, post-mortem, during taxidermy or on display.

Item ID: 81510
Item Type: Article (Research - C1)
ISSN: 0067-2238
Keywords: fluorescence, mammal, museum, porphyrin
Copyright Information: © Royal Zoological Society of New South Wales
Date Deposited: 22 Feb 2024 03:27
FoR Codes: 31 BIOLOGICAL SCIENCES > 3109 Zoology > 310999 Zoology not elsewhere classified @ 100%
SEO Codes: 28 EXPANDING KNOWLEDGE > 2801 Expanding knowledge > 280102 Expanding knowledge in the biological sciences @ 100%
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