Here’s what the research suggests about the link between hair dye and cancer. Credit...Joyce Lee for The New York Times Supported by By Rachel Rabkin Peachman Q. I color my hair regularly, but I’ve ...
In the picture, a film dyed with red onion skin extract and dye-sensitised solar cells. The films were placed on top of the solar cells in the study. Researchers at the University of Turku, Finland, ...
It was found that the onion-dye film performed best, blocking 99.9% of UV light with a wavelength of up to 400 nanometers. That said, it still allowed over 80% of visible light transmission at longer ...
Reviewed by Jeremy Tardo Fact checked by Michelle Regalado Key Takeaways Ancient Egyptians first used plants like henna and ...
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Nanocellulose treated with red onion dye provides effective UV protection for solar cells
Researchers at the University of Turku, Finland, investigated how to use bio-based materials to produce effective UV ...
Researchers investigated how to use bio-based materials to produce effective UV protection films for solar cells. The study was the first to compare how the properties of different bio-based UV ...
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