Results 251 to 260 of about 1,457,064 (320)

Study on characterization of sandstone pore structure and seepage mechanism based on NMR and CT technology. [PDF]

PLoS One
Zhao S, Liu K, Sun C, Yue W, Wang Q, Xia Y, Wang X.   +6 more
europepmc   +1 more source

Tracking Structural and Electron Spin Density Changes in a Cooperative Mn³⁺ Spin Crossover Complex at Atomic Scale via Low Temperature Solid-State NMR. [PDF]

Angew Chem Int Ed Engl
Papawassiliou W, Carvalho JP, Paul S, Sultan A, Fardis M, Papavassiliou G, Morgan GG, Märker K, De Paëpe G.   +8 more
europepmc   +1 more source

¹H/¹⁵N NMR and Low-Field ¹H MRI of SABRE-Hyperpolarized Pyrazinamide─An Approved Antibiotic and Potential MRI Contrast Agent. [PDF]

J Phys Chem B
Siraj Z, Petrilla AF, Senanayake IM, Iqbal N, Gyesi JN, Westerfield J, Daluwathumullagamage PJ, Shchepin RV, Ragunathan S, Chekmenev EY, Goodson BM.   +10 more
europepmc   +1 more source

Dose-Dependent Effects of Biochar on Soil Revealed by Fast Field-Cycling (FFC) NMR: From Molecular Water Dynamics to Soil Functionality. [PDF]

Magn Reson Chem
Librici C, Bambina P, Madonia E, Ciaramitaro V, Martino DFC, Meo PL, Conte P.   +6 more
europepmc   +1 more source

MnSi₂Te₄: A van der Waals Antiferromagnetic Semiconductor with Large Negative Magnetoresistance. [PDF]

J Am Chem Soc
Liao K, Yin B, Pan Y, Chen L, Liu C, Wu Y, Do SH, Gao Y, Yang Y, Wang Y, Wang X, Li Y, Guo Z, Liu J, Wang J, Su D, Ma J, Wu Q, Wang G.   +18 more
europepmc   +1 more source

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Perspectives in process analytics using low field NMR

Journal of Magnetic Resonance, 2021
Low field NMR is a powerful analytical tool which creates an enormous added value in process analytics. Based on specific applications in process analytics and perspectives for low field NMR in form of spectroscopy, relaxation, diffusion, and imaging in quality control, diverse applications and technical realizations like spectrometers, time domain NMR,
Rudszuck, Thomas, Nirschl, Hermann, Guthausen, Gisela   +2 more
openaire   +4 more sources

A novel method for semi-quantitative analysis of hydration degree of cement by 1H low-field NMR

, 2021
Based on the analytical 1H low-field nuclear magnetic resonance (NMR) technique, we developed a novel method and corresponding model to analyze the hydration degree (αt) of cement in cement paste under different curing conditions.
L. Heng, Zhenping Sun, Jingbing Yang, Yanliang Ji   +3 more
semanticscholar   +1 more source

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

Magnetic 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, W. Bermel, R. Soong, D. H. Lysak, K. Ronda, K. Steiner, Peter M Costa, W. Wolff, Venita Decker, F. Busse, Benjamin Goerling, Agnes Haber, M. Simpson, A. Simpson   +13 more
semanticscholar   +1 more source

Is the Calibration Transfer of Multivariate Calibration Models between High- and Low-Field NMR Instruments Possible? A Case Study of Lignin Molecular Weight.

Analytical Chemistry, 2022
Although several successful applications of benchtop nuclear magnetic resonance (NMR) spectroscopy in quantitative mixture analysis exist, the possibility of calibration transfer remains mostly unexplored, especially between high- and low-field NMR. This
Simon Lindner, René Burger, D. Rutledge, X. T. Do, J. Rumpf, B. Diehl, M. Schulze, Y. Monakhova   +7 more
semanticscholar   +1 more source