SunSirs: Chinese Scientists Discover Rare Earth Biomineralization in Ferns

China News Service reported on November 7. The reporter learned from the Guangzhou Institute of Geochemistry, Chinese Academy of Sciences on November 6 that the research team led by Researcher Zhu Jianxi from this institute has recently discovered not only a large amount of enriched rare earth elements in a fern plant named "Blechnum orientale", but also for the first time observed that these rare earths "self-assemble" among the plant tissue cells to form a mineral named "lanthanum monazite". This is the first time that scientists have discovered the bio - mineralization phenomenon of rare earth elements in natural plants. Under normal circumstances, this kind of mineral is mainly formed in geological processes such as magma or hydrothermal activities, which require a relatively high - temperature environment. This paper was recently published online in the international professional academic journal "Environmental Science & Technology". It not only reveals the "detoxification" and mineralization mechanisms of plants for rare earths, but also provides a new path for the sustainable utilization of rare earth resources in the future: by planting hyper - accumulator plants such as Blechnum orientale, while restoring polluted soil and the ecology of rare earth tailings, high - value rare earths can be recovered from the plants, truly realizing a green circular mode of "restoring while recovering".

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