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Letter

Nature Materials 6, 961–965 (1 December 2007) | doi:10.1038/nmat2031

Enhanced mobility of confined polymers

Kyusoon Shin , Sergei Obukhov , Jiun-Tai Chen , June Huh , Yoontae Hwang , Soonchun Mok , Priyanka Dobriyal , Pappannan Thiyagarajan & Thomas P. Russell

Non-classical behaviour, brought about by a confinement that imposes spatial constraints on molecules, is opening avenues to novel applications. For example, carbon nanotubes, which show rapid and selective transport of small molecules across the nanotubes, have significant potential as biological or chemical separation materials for organic solvents or gaseous molecules.