Results 11 to 20 of about 1,303,827 (253)

Low-field, not low quality: 1D simplification, selective detection, and heteronuclear 2D experiments for improving low-field NMR spectroscopy of environmental and biological samples.

open access: yesMagnetic resonance in chemistry : MRC, 2023
Understanding environmental change is challenging and requires molecular-level tools to explain the physicochemical phenomena behind complex processes.
Katelyn Downey   +13 more
semanticscholar   +1 more source

A review of the use of simple time-domain NMR/MRI for material-science

open access: yesSN Applied Sciences, 2021
The intention of this discussion is as a simple introduction for general—non-nuclear magnetic resonance (NMR)-specialist—materials scientists, to make them aware as to how some of the materials science measurements that they need to make might possibly ...
J. Beau W. Webber
doaj   +1 more source

Functional group resolved NMR relaxation of 3-carbon adsorbates in mesoporous alumina

open access: yesMagnetic Resonance Letters, 2023
NMR relaxation analysis provides a unique and non-invasive probe of fluid dynamics within porous materials, and may be applied to the interpretation of a wide variety of material and interfacial characteristics.
Neil Robinson   +2 more
doaj   +1 more source

Rheological and Low Field NMR Characterisation of Cystic Fibrosis Patient’s Sputum [PDF]

open access: yesChemical and Biochemical Engineering Quarterly, 2023
The shear modulus G of the sputum obtained by expectoration from cystic fibrosis patients is fundamental to determine the mesh size of the polymeric network pervading the sputum, a parameter related to lung functionality.
G. Staltari   +8 more
doaj   +1 more source

Comparison of Dehydration Efficiency and Quality of Mango with Different Osmotic Methods

open access: yesShipin gongye ke-ji, 2022
In order to compare the differences in dehydration efficiency and quality of mango under different osmotic methods in summer (30 ℃) and winter (20 ℃) production environments, this paper explored the effects of SSD and LOD on the dehydration efficiency ...
Hongwei ZHAO   +9 more
doaj   +1 more source

Scleroglucan and guar gum: The synergistic effects of a new polysaccharide system

open access: yeseXPRESS Polymer Letters, 2022
Scleroglucan (Sclg) and Guar Gum (GG) are both capable to give gels in the presence of borax and this study is focused on how a mixed system of the two polysaccharides can be affected by the addition of borax. The anisotropic swelling behavior of tablets
Tommasina Coviello   +7 more
doaj   +1 more source

Understanding the microstructural evolution of hypersaline cemented paste backfill with low-field NMR relaxation

open access: yes, 2021
Cemented paste backfill (CPB) comprising mineral tailings, binders and mixing waters is an important potential support material in the mining industry.
Razyq Nasharuddin   +5 more
semanticscholar   +1 more source

Detecting Dye-Contaminated Vegetables Using Low-Field NMR Relaxometry

open access: yesFoods, 2021
Dyeing vegetables with harmful compounds has become an alarming public health issue over the past few years. Excessive consumption of these dyed vegetables can cause severe health hazards, including cancer.
Sumaiya Shomaji   +7 more
doaj   +1 more source

Understanding polymer-colloid gels: a solvent perspective using low-field NMR. [PDF]

open access: yesSoft Matter
The present work emphasizes the relevance of low-field NMR relaxometry to investigate colloid-polymer hydrogels by probing water dynamics across a wide range of formulations between 10 °C and 80 °C.
Le'o Herve'ou   +3 more
semanticscholar   +1 more source

Moisture Distribution and Migration of Preserved Strawberries During Hot Air Drying at Constant and Gradient Temperature

open access: yesShipin gongye ke-ji, 2023
In order to discover the moisture distribution and migration during the drying process of strawberries at constant or gradient temperatures and the effect on the quality of dried strawberries, the strawberries which had experienced osmotic dehydration ...
Rongrong HE   +9 more
doaj   +1 more source

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