Results 21 to 30 of about 184,530 (301)

Spin polarization transfer mechanisms of SABRE: A magnetic field dependent study [PDF]

, 2015
We have investigated the magnetic field dependence of Signal Amplification By Reversible Exchange (SABRE) arising from binding of para-hydrogen (p-H2) and a substrate to a suitable transition metal complex.
Pravdivtsev, Andrey N, Petrov, Pavel A, NMR Spectroscopy, Kaptein, R, Sub NMR Spectroscopy, Ivanov, Konstantin L, Vieth, Hans-Martin, Yurkovskaya, Alexandra V, Limbach, Hans-Heinrich   +8 more
core   +1 more source

Solid-state NMR signals at zero-to-ultra-low-field

Journal of Magnetic Resonance Open, 2022
Zero-to-ultra-low-field nuclear magnetic resonance (ZULF NMR) is fast emerging as a viable spectroscopic approach to study samples under conditions dominated by internal spin interactions.
K.K. George Kurian, P.K. Madhu, G. Rajalakshmi   +2 more
doaj   +1 more source

Digital filters for low‐field NMR

Concepts in Magnetic Resonance Part B: Magnetic Resonance Engineering, 2016
AbstractWe review the theory and operation of digital filters in modern nuclear magnetic resonance (NMR) spectrometers with fully digital receivers. Custom digital filters tailored for particular experimental requirements offer substantial improvements in signal‐to‐noise ratio (SNR), sensitivity, pulse sequence timing, and rejection of heteronuclear ...
Andrea Valori, Jonathan Mitchell, Edmund J. Fordham   +2 more
openaire   +1 more source

An inter-laboratory comparison demonstrates that [H-1]-NMR metabolite fingerprinting is a robust technique for collaborative plant metabolomic data collection. [PDF]

, 2010
In any metabolomics experiment, robustness and reproducibility of data collection is of vital importance. These become more important in collaborative studies where data is to be collected on multiple instruments.
Biais, Benoit, Beale, Michael H., Sofia Moco, Jacques Vervoort, Maucourt, Mickael,, Ward, J.L., Michael H. Beale, Lommen, Arjen, Rolin, D., Maucourt, Mickael, M., Moco, Sofia, Vervoort, J., Baker, J. M., Humpfer, Eberhard, Deborde, C., Beale, M.H., Ward, J. L., Deborde, Catherine,, Maucourt, M., Mickael Maucourt, Beale, M. H., Annick Moing, Lommen, A., Jane L. Ward, Vervoort, J.J.M., Hartmut Schäfer, Schäfer, Hartmut, Deborde, Catherine, Baker, J.M., Arjen Lommen, Miller, S.J., Vervoort, Jacques, Eberhard Humpfer, Miller, Sonia J., Rolin, Dominique, D., Moco, S.I.A., Rolin, Dominique,, John M. Baker, Baker, John M., Benoit Biais, Catherine Deborde, Moco, S., Ward, Jane L., Biais, B., Dominique Rolin, Moing, Annick, Humpfer, E., Moing, A., Miller, S. J., Sonia J. Miller, Schafer, H.   +50 more
core   +1 more source

Guar gum/borax hydrogel: Rheological, low field NMR and release characterizations

eXPRESS Polymer Letters, 2013
Guar gum (GG) and Guar gum/borax (GGb) hydrogels are studied by means of rheology, Low Field Nuclear Magnetic Resonance (LF NMR) and model drug release tests. These three approaches are used to estimate the mesh size (ζ) of the polymeric network.
M. Grassi, T. Coviello, P. Matricardi, F. Alhaique, R. Farra, G. Tesei, S. Fiorentino, F. Asaro, G. Milcovich   +8 more
doaj   +1 more source

Wavelet Transform-Based Signal Denoising in Low-Field NMR

Chinese Journal of Magnetic Resonance, 2018
Low-field NMR often uses permanent magnet. The signals obtained contain high level of white Gaussian noises, and have low signal-to-noise ratio (SNR). In recent years, many denoising methods have been proposed for low-field NMR measurements.
CHANG Xiao, SU Guan-qun, NIE Sheng-dong
doaj   +1 more source

Steady-State Free Precession sequences for high and low field NMR spectroscopy in solution: Challenges and opportunities

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, Flávio Vinícius Crizóstomo Kock, Kahlil Schwanka Salome, Andersson Barison, Andre Simpson, Luiz Alberto Colnago   +5 more
doaj   +1 more source

Quantitative NMR monitoring of liquid ingress into repellent heterogeneous layered fabrics [PDF]

, 2008
Fabrics which are water repellent and repellent to other liquids are often constructed using multiple layers of material. Such a construction is preferable to a single layer of a liquid-repellent textile because, under the action of an applied pressure ...
Bencsik, M, Brewer, S, Brewer, Stuart, Bencsik, Martin, Adriaensen, H, Adriaensen, Hans, McHale, G, McHale, Glen   +7 more
core   +1 more source

Inline NMR via a Dedicated V-Shaped Sensor

Sensors, 2023
Process monitoring and control require dedicated and reliable measures which reflect the status of the process under investigation. Although nuclear magnetic resonance is known to be a versatile analytical technique, it is only seldomly found in process ...
Eric Schmid, Simon Rondeau, Thomas Rudszuck, Hermann Nirschl, Gisela Guthausen   +4 more
doaj   +1 more source

Hyperpolarized singlet NMR on a small animal imaging system [PDF]

, 2012
Nuclear spin hyperpolarization makes a significant advance toward overcoming the sensitivity limitations of in vivo magnetic resonance imaging, particularly in the case of low-gamma nuclei.
Brown, Richard C. D., Ardenkjær-Larsen, Jan Henrik, Tayler, Michael C.D., Levitt, Malcolm H., Tayler, Michael C. D., Laustsen, Christoffer, Brown, Lynda J., Ardenkjaer-Larsen, Jan H., Pileio, Giuseppe, Brown, Richard C.D.   +9 more
core   +1 more source