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Science 18 August 2000:
Vol. 289. no. 5482, p. 1109
DOI: 10.1126/science.289.5482.1109c
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Editors' Choice: Highlights of the recent literature

Potential applications in biology and medicine have motivated attempts to make fullerenes soluble in water, but success has been limited. Now, Samal et al. have succeeded in synthesizing water-soluble fullerene polymers that consist of cyclodextrin moieties linked to C60 molecules via amine units, thus forming a chain of alternating cyclodextrin and C60 molecules. The cyclodextrin units encapsulate the amines and prevent multifunctionalization of the fullerenes, although it is still not known if chain branching occurs. The polymer appears to retain the useful properties of free C60; preliminary experiments show that the molecule cleaves DNA oligomers in the presence of light. -- JU

Chem. Comm. 2000, 1373 (2000).

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