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Poster De Conférence Année : 2023

Challenges associated with in situ small angle scattering methods for semi-solid casein gel investigations

Résumé

The weak interaction between neutrons and matter allows neutrons to penetrate materials easily and as a result, it is feasible to use complex sample environments for in situ studies. On the other hand, to investigate a large casein gel particle during digestion, the gel should be under the neutron beam within a 1 mm cell maximum in order to avoid a phenomenon called ‘multiple scattering’. This study examined options for in situ analysis of a gel structure during digestion: (A) attaching the gel structure to the surface of the sample cell or holding it within a mesh while passing digestive enzymes through, (B) trapping the gel in a Teflon grid, or (C) blending the gel particles. It was determined that blending gels and utilising a flow setup is the optimal method for ensuring that the internal structure of gel particles does not change significantly between the 1 nm and 20 μm length scale.
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Dates et versions

hal-04008500 , version 1 (28-02-2023)

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  • HAL Id : hal-04008500 , version 1

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Meltem Bayrak, Jitendra P Mata, Andrew E Whitten, Charlotte E Conn, Juliane Floury, et al.. Challenges associated with in situ small angle scattering methods for semi-solid casein gel investigations. https://acis.wildapricot.org/ACSSSC34. The 34th Australian Colloid and Surface Science Student Conference, Feb 2023, Melbourne, Australia. ⟨hal-04008500⟩
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