Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 545738
Title A versatile shear cell for investigation of structure of food materials under shear
Author(s) Velichko, Evgenii; Tian, Bei; Nikolaeva, Tatiana; Koning, Jeroen; Duynhoven, John van; Bouwman, Wim G.
Source Colloids and Surfaces. A: Physicochemical and Engineering Aspects 566 (2019). - ISSN 0927-7757 - p. 21 - 28.
DOI https://doi.org/10.1016/j.colsurfa.2018.12.046
Department(s) Biophysics
Publication type Refereed Article in a scientific journal
Publication year 2019
Keyword(s) Food colloids - Food mesostructure - Food texture - Shear-SANS - Shear-SAXS
Abstract

A versatile cell for X-ray and neutron scattering experiments on samples under shear has been designed. To our knowledge, it is the first shear cell which can be used for both SAXS and SANS in respectively synchrotron or reactor beamlines. The cell is mainly intended for scattering experiments in so-called “1–2 plane geometry” but can also be modified into cone–plate and plate–plate rheological geometries, giving access to the 1–3 scattering plane. The latter two geometries, however, can only be used with neutron scattering. The final cell design is compact, which allows it to be used even with lab-based X-ray sources. A special thermostatic shell allows for the temperature control of the samples under investigation in the range from 5 up to 100 °C. Several X-ray and neutron scattering experiments performed with the cell have helped in better understanding of the structuring under shear of food materials, such as: cellulose suspensions, fat crystal networks and milk proteins.

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