Results 1 to 10 of about 121,971 (118)

2D NMR assessment of structural consistency and functional relationships in monoclonal antibodies [PDF]

open access: yesmAbs
Two-dimensional (2D) NMR at natural-abundance 13C has emerged as a powerful technique for generating high-resolution structural fingerprints of monoclonal antibody (mAb) higher-order structure.
Lingfei Wang   +5 more
doaj   +2 more sources

Two-dimensional NMR inversion based on fast norm smoothing method

open access: yesEnergy Geoscience, 2022
Two-dimensional (2D) nuclear magnetic resonance (NMR) inversion operates with massive echo train data and is an ill-posed problem. It is very important to select a suitable inversion method for the 2D NMR data processing. In this study, we propose a fast,
Youlong Zou   +5 more
doaj   +1 more source

Sensitivity Analysis of T2-T1 2D NMR Measurement Parameters in Shale Oil Reservoirs

open access: yesChinese Journal of Magnetic Resonance, 2023
In order to improve the reliability of two-dimensional nuclear magnetic resonance (2D NMR) measurement in shale oil reservoirs, the T2-T1 2D NMR response characteristics and influencing factors of shale oil reservoirs were analyzed in three scenarios ...
ZHANG Rong   +6 more
doaj   +1 more source

Optimization and practical implementation of ultrafast 2D NMR experiments

open access: yesQuímica Nova, 2013
Ultrafast 2D NMR is a powerful methodology that allows recording of a 2D NMR spectrum in a fraction of second. However, due to the numerous non-conventional parameters involved in this methodology its implementation is no trivial task. Here, an optimized
Luiz H. K. Queiroz Júnior   +2 more
doaj   +3 more sources

A High-precision Processing Method of Two-dimensional NMR Logging Data Based on Component Compensation

open access: yesChinese Journal of Magnetic Resonance, 2022
Two-dimensional nuclear magnetic resonance (NMR) technology can perform non-destructive, rapid and quantitative measurement and characterization of various hydrogen-containing fluids in the reservoir, but is limited by the acquisition methods and ...
Zhen-lin WANG   +6 more
doaj   +1 more source

NMR Data Analysis of Manidipine Hydrochloride

open access: yesChinese Journal of Magnetic Resonance, 2021
Manidipine hydrochloride is the third generation of new synthetic antihypertensive drugs. The structure of manidipine hydrochloride was confirmed with 1D and 2D nuclear magnetic resonance (NMR) techniques, such as 1H NMR, 13C NMR, DEPT-135, 1H-1H COSY ...
LI Yu-jiang   +6 more
doaj   +1 more source

Fluid identification method based on 2D diffusion-relaxation nuclear magnetic resonance (NMR)

open access: yesPetroleum Exploration and Development, 2012
Based on current acquisition modes of MRIL-Prime NMR logging tool, 2D NMR signals could be obtained by the combination of logging data from different modes, then the fluid properties in complicated reservoirs could be distinguished by 2D diffusion ...
Falong HU   +5 more
doaj   +1 more source

A Two-Dimensional NMR Logging Method for Gas-Water Identification in Dolomite Reservoir of the Western Sichuan Gas Field

open access: yesChinese Journal of Magnetic Resonance, 2020
The dolomite reservoirs in the fourth member of Leikoupo formation of the western Sichuan gas field have good prospects for natural gas exploration and development. However, the conventional and one-dimensional nuclear magnetic resonance (1D NMR) logging
ZHANG Shi-mao   +3 more
doaj   +1 more source

1D “Spikelet” Projections from Heteronuclear 2D NMR Data—Permitting 1D Chemometrics While Preserving 2D Dispersion

open access: yesMetabolites, 2019
Nuclear magnetic resonance (NMR) spectroscopy is a powerful tool for the non-targeted metabolomics of intact biofluids and even living organisms. However, spectral overlap can limit the information that can be obtained from 1D 1H NMR.
Maryam Tabatabaei Anaraki   +6 more
doaj   +1 more source

A C# Language-Based Software for Designing Two-Dimensional NMR Logging Activation Sets

open access: yesChinese Journal of Magnetic Resonance, 2019
Two-dimensional (2D) NMR logging activation sets are acquisition means aiming at obtaining specific formation information, affecting the adaptability of NMR instruments to different types of reservoirs and the reliability of the original data.
CUI Shuai-shuai   +5 more
doaj   +1 more source

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