Bryophytes, a group of terrestrial plants widely used in biomonitoring, are reviewed for their relation to heavy metals. In the present article, we summarized the knowledge on heavy metals pollution and accumulation effects on bryophytes. Mechanisms of tolerance and resistance are given as well.

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Primary and secondary unbranched aliphatic alcohols with unactivated &carbon atoms are readily converted into tetrahydrofuran derivatives by means of silver oxide and bromine or mercuric oxide and iodine.