▲一类新型塑料可在40摄氏度的环境下，于36小时后降解为小分子（图片来源：参考资料[2]；Photos by Christopher DelRe；Courtesy University of California, Berkeley）

▲本研究的通讯作者Ting Xu教授（图片来源：Ting Xu教授实验室官方网站）

▲本研究的设计思路（图片来源：参考资料[2]；Graphic by Christopher DelRe；Courtesy University of California, Berkeley）

▲此类塑料在很短的时间内就能被降解（图片来源：参考资料[2]；UC Berkeley photo by Ting Xu；Courtesy University of California, Berkeley）

▲在土壤中，这类塑料能降解成小分子，为环境所吸收（图片来源：参考资料[2]；UC Berkeley photo by Adam Lau/Berkeley Engineering；Courtesy University of California, Berkeley）

参考资料：

[1] DelRe, C., Jiang, Y., Kang, P. et al. Near-complete depolymerization of polyesters with nano-dispersed enzymes. Nature 592, 558–563 (2021). https://doi.org/10.1038/s41586-021-03408-3

[2] New process makes ‘biodegradable’ plastics truly compostable, Retrieved April 21, 2021, from https://news.berkeley.edu/2021/04/21/new-process-makes-biodegradable-plastics-truly-compostable/

[3] To design truly compostable plastic, scientists take cues from nature, Retrieved April 21, 2021, from https://www.eurekalert.org/pub_releases/2021-04/dbnl-tdt042021.php

[4] New process breaks down biodegradable plastics faster, Retrieved April 21, 2021, from https://www.eurekalert.org/pub_releases/2021-04/uarl-npb042121.php

[5] A new technique could make some plastic trash compostable at home, Retrieved April 21, 2021, from https://www.sciencenews.org/article/plastic-compost-new-enzyme-technique-biodegradable