DSC and high resolution X-ray diffraction coupling

被引：59

作者：

Ollivon, M. ^{[1
]}

Keller, G.

Bourgaux, C.

Kalnin, D.

Villeneuve, P.

Lesieur, P.

机构：

[1] Univ Paris Sud, Pharm Galen & Biopharm Lab, CNRS, UMR 8612, F-92296 Chatenay Malabry, France

[2] Univ Paris 11, LURE, F-91405 Orsay, France

[3] CIRAD, F-34398 Montpellier 5, France

[4] Univ Henri Poincare, UMR 7565, F-54506 Vandoeuvre Les Nancy, France

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2006年 / 85卷 / 01期

关键词：

lipid structures; mesophase and biomaterial studies; polymorphism; small angle X-ray scattering; triacylglycerol;

D O I：

10.1007/s10973-005-7351-y

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Coupling of time-resolved synchrotron X-ray diffraction at both small and wide angles with differential scanning calorimetry is a new technique that allows simultaneous characterization of thermal and structural properties of a sample. The apparatus, called Microcalix, works between -30 and +230 degrees C at scanning rates comprised between 0.01 and 20 degrees C min(-1) with a high sensitivity in both measurements using a single sample of small volume (from about I to 20 mu L). The last version of the instrument is designed for laboratory bench and conventional source but preferably with rotating anode or multilayered mirrors. Measurements under low pressure or under shear as well as recordings of isothermal evolution are also possible. The example of the study of polymorphism of a monounsaturated triglyceride (PPO) will be presented as an application.

引用

页码：219 / 224

页数：6

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