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001     21881
005     20240619083347.0
024 7 _ |2 pmid
|a pmid:22735314
024 7 _ |2 DOI
|a 10.1039/C2CP41183K
024 7 _ |2 WOS
|a WOS:000305965200010
024 7 _ |2 ISSN
|a 1463-9076
024 7 _ |2 Handle
|a 2128/4625
037 _ _ |a PreJuSER-21881
041 _ _ |a eng
082 _ _ |a 540
084 _ _ |2 WoS
|a Chemistry, Physical
084 _ _ |2 WoS
|a Physics, Atomic, Molecular & Chemical
100 1 _ |0 P:(DE-HGF)0
|a Kishikawa, Y.
|b 0
245 _ _ |a Temperature dependence of thermal diffusion for aqueous solutions of monosaccarides, oligosaccharides, and polysaccharides
260 _ _ |a Cambridge
|b RSC Publ.
|c 2012
300 _ _ |a 10147 - 10153
336 7 _ |a Journal Article
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440 _ 0 |0 4916
|a Physical Chemistry Chemical Physics
|v 14
|x 1463-9076
500 _ _ |a The authors are indebted to Jan Dhont for his kind help and to Gerhard Meier for correction reading. The technical support of Hartmut Kriegs is appreciated. The sample donation by Hayashibara co. is acknowledged. This work is partially supported by Deutsche Forschungsgemeinschaft (grant Wi 1684) and by the Ministry of Education, Science, Sports and Culture, Japan (Grant-in-Aid for Scientific Research).
520 _ _ |a We studied the thermal diffusion behavior for binary aqueous solutions of glucose, maltotriose, maltohexaose, pullulan, and dextran by means of thermal diffusion forced Rayleigh scattering (TDFRS). The investigated saccharides with molar masses between 0.180 and 440 kg mol(-1) were studied in the temperature range between 15 and 55 °C. The thermal diffusion coefficient D(T) and the Soret coefficient S(T) of all solutions increase with increasing temperature. For maltohexaose and the polymers the thermal diffusion coefficient changes sign from negative to positive with increasing temperature, whereas glucose and maltotriose show only positive values in the entire investigated temperature range. While we were able to find a master curve to describe the temperature dependence of D(T), we were not able to find a similar expression for S(T). This comprehensive study allows for the first time the determination of the interaction parameters for the polymer and the solvent within the theoretical framework suggested by Würger [Phys. Rev. Lett., 2009, 102, 078302].
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|a Shinohara, H.
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|a Nakamura, Y.
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|a Kita, R.
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|t Physical Chemistry Chemical Physics
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|y 2012
856 7 _ |u http://dx.doi.org/10.1039/C2CP41183K
856 4 _ |u https://juser.fz-juelich.de/record/21881/files/4625.pdf
|y OpenAccess
856 4 _ |u https://juser.fz-juelich.de/record/21881/files/FZJ-21881.pdf
|y Published under German "Allianz" Licensing conditions on 2012-05-24. Available in OpenAccess from 2013-05-24
|z Published final document.
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