Results 11 to 20 of about 125,569 (260)
Sensors, 2018 LC resonance magnetic sensors are widely used in low-field nuclear magnetic resonance (LF-NMR) and surface nuclear magnetic resonance (SNMR) due to their high sensitivity, low cost and simple design.
Tingting Lin +5 more
doaj +1 more source
Fast-field-cycling ultralow-field nuclear magnetic relaxation dispersion
Nature Communications, 2021 Nuclear spin polarization and relaxation can be studied using nuclear magnetic resonance (NMR). Here the authors demonstrate a combination of fast-field cycling and optical magnetometry techniques, to realize a NMR sensor that operates in the region of ...
Sven Bodenstedt +2 more
doaj +1 more source
Journal of Rock Mechanics and Geotechnical Engineering, 2019 Carbon capture, utilization and storage (CCUS) is considered as a very important technology for mitigating global climate change. Carbon dioxide (CO2) injected into an underground reservoir will induce changes in its physical properties and the migration
Liang Xu +4 more
doaj +1 more source
Nuclear Dipole Moments and Shielding Constants of Light Nuclei Measured in Magnetic Fields
Magnetochemistry, 2023 Nuclear magnetic resonance (NMR) is a branch of spectroscopy commonly used for identifying the chemical structure of various materials. One of the areas in which NMR provides accurate data is the determination of nuclear magnetic moments.
Włodzimierz Makulski +2 more
doaj +1 more source
Intramolecular hydrogen bonds in 1,4-dihydropyridine derivatives [PDF]
Royal Society Open Science, 2018 1,4-Dihydropyridine (1,4-DHP) derivatives have been synthesized and characterized by 1H, 13C, 15N nuclear magnetic resonance (NMR) spectroscopy, secondary proton/deuterium 13C isotope shifts, variable temperature 1H NMR experiments and quantum-chemical ...
M. Petrova +4 more
doaj +1 more source
The development of the magnetic system of sensor for PMR-analyser
Известия высших учебных заведений: Проблемы энергетики, 2020 The enhancement of the measuring instruments accuracy has always been the most crucial task for engineers and scientists. In particular, in the field of nuclear magnetic resonance, the creation of uniform magnetic field often defines the results of ...
A. Y. Svinin +2 more
doaj +1 more source
High-resolution nanoscale NMR for arbitrary magnetic fields
Communications Physics, 2023 Nitrogen vacancy (NV) centers are a major platform for the detection of nuclear magnetic resonance (NMR) signals at the nanoscale. To overcome the intrinsic electron spin lifetime limit in spectral resolution, a heterodyne detection approach is widely ...
Jonas Meinel +8 more
doaj +1 more source
Frontiers in Chemistry, 2022 A series of γ-lactone derivatives (E)-4-arylidene-5-oxotetrahydrofuran derivatives were synthesized via a tandem Passerini 3CC/SN cyclization microwave-assisted one-pot method efficiently starting from Baylis Hillman acids, aryl glyoxals and isocyanides,
Yun Dong +11 more
doaj +1 more source
Solid-State NMR Studies on the Surface Structure and Properties of Oxide Nanomaterials
Chinese Journal of Magnetic Resonance, 2021 Many applications of oxide nanomaterials depend on their surface structure and properties. Solid-state nuclear magnetic resonance (NMR) spectroscopy has been used to obtain such key information in related studies.
Xi-feng XIA +7 more
doaj +1 more source
Ethyl 1-Butyl-2-(2-hydroxy-4-methoxyphenyl)-1H-benzo[d]imidazole-5-carboxylate
Molbank, 2021 Ethyl 4-(butylamino)-3-nitrobenzoate upon “one-pot” nitro-reductive cyclization using sodium dithionite and substituted aldehyde in dimethyl sulphoxide affords ethyl 1-butyl-2-(2-hydroxy-4-methoxyphenyl)-1H-benzo[d]imidazole-5-carboxylate in an 87% yield.
Reshma Sathyanarayana, Boja Poojary
doaj +1 more source