Elastic precursor of the transformation from glycolipid-nanotube to -vesicle
نویسنده
چکیده
By the combination of optical tweezer manipulation and digital video microscopy, the flexural rigidity of single glycolipid ”nano” tubes has been measured below the transition temperature at which the lipid tubules are transformed into vesicles. Consequently, we have found a clear reduction of the rigidity obviously before the transition as temperature increasing. Further experiments of infrared spectroscopy (FT-IR) and differential scanning calorimetry (DSC) have suggested a microscopic change of the tube walls, synchronizing with the precursory softening of the nanotubes. PACS numbers: 62.25.+g, 81.16.Fg, 87.16.Ka, 81.07.Nb, 62.20.Dc, 87.16.Dg ‡ Present address: EcoTopia Science Institute, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 4648603, Japan. E-mail: fujima [email protected] § Present address: Soft Matter Laboratory, Kochi University of Technology, Tosa-Yamada, Kochi 7828502, Japan. E-mail: [email protected] Elastic precursor of the transformation from glycolipid-nanotube to -vesicle 2
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