Results 21 to 30 of about 124,355 (255)
On-Site Measurement of Fat and Protein Contents in Milk Using Mobile NMR Technology
Molecules, 2022 Robust and easy-to-use NMR sensor technology is proposed for accurate, on-site determination of fat and protein contents in milk. The two parameters are determined using fast consecutive 1H and 35Cl low-field NMR experiments on milk samples upon the 1:1 ...
Morten K. Sørensen +4 more
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Magnetic Resonance in Chemistry, 2019 Abstract. The subject of this thesis is NMR in low magnetic field. Traditionally NMR instruments utilize a superconducting high field magnet, but recently, compact instruments are getting more common with the use of lower magnetic fields. In this thesis, the basic theory of NMR is explained and the instrumentation and different ways of producing ...
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Journal of Magnetic Resonance Open, 2023 The receptivity of NMR spectroscopy is low when compared to other techniques. Historically, increasing the strength of the static magnetic field has been the major approach to increase NMR sensitivity.
Tiago Bueno Moraes +5 more
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Low Field-NMR Relaxation Characteristics of Glyceryl Oleate System
Chinese Journal of Magnetic Resonance, 2018 Low field-nuclear magnetic resonance (LF-NMR) relaxation characteristics of glyceride mixture can be used in rapid monitoring and product analysis of lipid remodeling processes.
CHENG Shi, WANG Xin, LIU Bao-lin
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WANG Ying , LIU Jin , MA Xiao-fan , QI Chang-qing , LU Hong-ning
Yantu gongcheng xuebao, 2020 In order to analyze the effect of immersion on polyurethane-solidified sand, the micro and strength characteristics of reinforced sand after immersion are tested by NMR and unconfined compression tests.
WANG Ying , LIU Jin , MA Xiao-fan , QI Chang-qing , LU Hong-ning
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Química Nova, 2014 To choose among the variety of oleaginous plants for biodiesel production, the oil content of several matrices was determined through different low-field ¹H nuclear magnetic resonance (NMR) experiments with varied pulse sequences, namely single-pulse ...
André F. Constantino +8 more
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Development of Low-noise Preamplifier for Low-field NMR
Chinese Journal of Magnetic ResonanceNuclear magnetic resonance (NMR) technology enables the acquisition of multi-scale molecular dynamics by characterizing the variation of relaxation times under different magnetic field conditions, thereby offering a critical detection methodology for ...
LI Keyan +5 more
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Monitoring Cr(VI) photoreduction at different depths by operando low-field NMR relaxometry
Magnetic Resonance Letters, 2022 Chromium (VI) (Cr(VI)), a toxic metal ion, is widely present in industrial wastewater. To reduce the contamination of Cr(VI), many technologies for the photocatalytic reduction of Cr(VI) to Cr(III) have been developed in the past decades.
Beibei Xu +3 more
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Signal feedback applications in low-field NMR and MRI
Journal of Magnetic Resonance, 2020 Tuned pick-up coils with high quality factors Q are used in NMR and MRI for high-sensitivity and low-noise detection. However, large Q-factors introduce bandwidth issues at low frequency and the associated enhanced currents may cause significant radiation damping effects, especially with hyperpolarised samples.
Kuzmin, Vyacheslav, Nacher, Pierre-Jean
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Sensors, 2013 A proof-of-concept of the use of a fully digital radiofrequency (RF) electronics for the design of dedicated Nuclear Magnetic Resonance (NMR) systems at low-field (0.1 T) is presented. This digital electronics is based on the use of three key elements: a
Aktham Asfour +2 more
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