کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
675855 887737 2006 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Determination of molar heats of absorption of enantiomers into thin chiral coatings by combined IC-calorimetric and microgravimetric (QMB) measurements: II. Thermodynamics of enantioselectivity in modified cyclodextrins
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
Determination of molar heats of absorption of enantiomers into thin chiral coatings by combined IC-calorimetric and microgravimetric (QMB) measurements: II. Thermodynamics of enantioselectivity in modified cyclodextrins
چکیده انگلیسی

A combination of microgravimetric and microcalorimetric measurements was developed for the investigation of enantioselective gas–surface interaction. The sorption behaviour of the two enantiomers of methyl-2-chloropropionate was investigated at polydimethylsiloxane (PDMS) as an achiral receptor and octakis (3-O-butanoyl-2,6-di-O-n-pentyl)-γ-cyclodextrin (Lipodex E®) as a chiral receptor. The microgravimetric and microcalorimetric results are described by a suitable thermodynamic model providing the thermodynamic data of the absorption process. These data are discussed in terms of the mechanism of chiral recognition and compared to literature data derived from gas chromatographic results by the van’t Hoff method.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thermochimica Acta - Volume 445, Issue 2, 15 June 2006, Pages 98–103
نویسندگان
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