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Fish Scales Could Make Wearable Electronics More Sustainable

posted by janrinok on Sunday March 22 2020, @06:44PM   Printer-friendly
from the wear-a-haddock-on-your-wrist dept.

"exec" writes:

Arthur T Knackerbracket has found the following story:

Skin-mounted electronic displays previously required long-lasting plastic. Researchers have created a bio-degradable film made from fish scales:

[Within] flexible temporary electronic displays [...] electricity-conducting and light-emitting components are layered onto a transparent film. To make them flexible enough to withstand the bending required to stay on skin or other soft surfaces, researchers have so far relied on films made of plastic -- a substance derived from fossil fuels, a limited resource and a source of pollution. Hai-Dong Yu, Juqing Liu, Wei Huang and colleagues wanted to find a more sustainable and environmentally friendly material for the film. They settled on gelatin derived from collagen in fish scales, which are usually thrown away.

Journal Reference:

Xiaopan Zhang, Tengyang Ye, Xianghao Meng, Zhihui Tian, Lihua Pang, Yaojie Han, Hai Li, Gang Lu, Fei Xiu, Hai-Dong Yu, Juqing Liu, Wei Huang. Sustainable and Transparent Fish Gelatin Films for Flexible Electroluminescent Devices. ACS Nano, 2020; DOI: 10.1021/acsnano.9b09880

See Also: https://pubs.acs.org/doi/suppl/10.1021/acsnano.9b09880/suppl_file/nn9b09880_si_001.pdf for supplemental information.

-- submitted from IRC

Original Submission

 
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  • (Score: 0) by Anonymous Coward on Monday March 23 2020, @03:20AM

    by Anonymous Coward on Monday March 23 2020, @03:20AM (#974297)

    They settled on gelatin derived from collagen in fish scales, which are usually thrown away

    Until they become an attractive economic resource. Then we'll be over fishing inedible fish species just to collect the scales and discard the rest. Just because we can find a use for something discarded doesn't mean the end result will be sustainable and environmentally friendly.