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The fluorescent molecule betrays the breakdown of polymeric materials

[ad_1] H-DAAN could function as a radical scavenger for bulk polymeric mechanoradicals and generate DAAN •, which could potentially be evaluated by EPR spectroscopy and fluorescence measurements due to their high stability towards oxygen. Credit: Tokyo Tech Nylon, rubber, silicone, Teflon, PVC – these are all examples of man-made polymers …

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Clean Air Act saved 1.5 billion birds, study shows

[ad_1] Blackburnian Warbler. Credit: Ian Davies US pollution regulations designed to protect humans from dirty air are also saving the birds. Thus concludes a new continental study published today in The Proceedings of the National Academy of Sciences. The study authors found that improving air quality as part of a …

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