Rheo‐NMR in food science—Recent opportunities

For over 25 years, nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) techniques have been used to study materials under mechanical deformation. Collectively, these methods are referred to as Rheo‐NMR. In many cases, it provides spatially and temporally resolved maps of NMR spectr...

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Bibliographic Details
Published in:Magnetic resonance in chemistry 2019-09, Vol.57 (9), p.757-765
Main Authors: Galvosas, Petrik, Brox, Timothy I., Kuczera, Stefan
Format: Article
Language:English
Subjects:
Annan medicin och hälsovetenskap
complex fluids
Food processing
Food science
LAOS
Magnetic resonance imaging
multilamellar vesicles
NMR
NMR velocimetry
Nuclear magnetic resonance
Other Medical Sciences
rheo-NMR
Rheological properties
shear banding
shear-induced transitions
Torquemeters
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Summary:For over 25 years, nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) techniques have been used to study materials under mechanical deformation. Collectively, these methods are referred to as Rheo‐NMR. In many cases, it provides spatially and temporally resolved maps of NMR spectra, intrinsic NMR parameters (such as relaxation times), or motion (such as diffusion or flow). Therefore, Rheo‐NMR is complementary to conventional rheological measurements. This review will briefly summarize current capabilities and limitations of Rheo‐NMR in the context of material science and food science in particular. It will report on recent advances such as the incorporation of torque sensors or the implementation of large amplitude oscillatory shear and point out future opportunities for Rheo‐NMR in food science. Recent advances in Rheo‐NMR hardware and methodology have been highlighted. The formation of multilamellar vesicles using Large Amplitude Oscillatory Shear (LAOS) and the impact of shear geometry design on shear banding have been studied using the novel Rheo‐NMR approaches. Past, current and future opportunities for Rheo‐NMR in food sciences have been discussed in this mini review.
ISSN:0749-1581
1097-458X
DOI:10.1002/mrc.4861