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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1002/mrc.2327
|2 doi
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|a pubmed24n0608.xml
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|a eng
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1 |
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|a Aski, Sahar Nikkhou
|e verfasserin
|4 aut
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|a Inclusion complexes of cryptophane-E with dichloromethane and chloroform
|b A thermodynamic and kinetic study using the 1D-EXSY NMR method
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 17.12.2008
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a Copyright (c) 2008 John Wiley & Sons, Ltd.
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|a Complexation equilibria and kinetics of exchange of chloroform and dichloromethane molecules between the cavity of cryptophane-E and bulk solution were investigated using NMR methods. Using one-dimensional magnetization transfer (1D-EXSY type sequence), chemical exchange rates were measured in different temperature ranges, limited by the equilibrium constant values of the complexes and the boiling points of the guest substances. From the kinetic data, activation energies were calculated using the Arrhenius equation. From the temperature-dependence of the association constant data, the enthalpy and entropy of complexation were estimated and compared with values for similar complexes of other cryptophanes
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|a Journal Article
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|a Macromolecular Substances
|2 NLM
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|a Polycyclic Compounds
|2 NLM
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|a Triazoles
|2 NLM
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|a cryptophane
|2 NLM
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|a Methylene Chloride
|2 NLM
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|a 588X2YUY0A
|2 NLM
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|a Chloroform
|2 NLM
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|a 7V31YC746X
|2 NLM
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1 |
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|a Takacs, Zoltan
|e verfasserin
|4 aut
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1 |
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|a Kowalewski, Jozef
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Magnetic resonance in chemistry : MRC
|d 1985
|g 46(2008), 12 vom: 20. Dez., Seite 1135-40
|w (DE-627)NLM098179667
|x 1097-458X
|7 nnns
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| 773 |
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|g volume:46
|g year:2008
|g number:12
|g day:20
|g month:12
|g pages:1135-40
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|u http://dx.doi.org/10.1002/mrc.2327
|3 Volltext
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