Time domain NMR for polymorphism characterization: Current status and future perspectives

LS Almeida, J Carneiro, LA Colnago - International Journal of …, 2025 - Elsevier
Polymorphism is the ability of a compound to exist in multiple crystal forms while maintaining
the same chemical composition. This phenomenon is reflected in different solid-state …

NMR Longitudinal Rotating Frame Relaxation Time (T) with a Weak Spin Locking Field as an Approach to Characterize Solid-State Active Pharmaceutical …

LS Almeida, RHS Garcia, J Ticona, SL Cuffini… - Analytical …, 2024 - ACS Publications
Nuclear magnetic resonance (NMR) longitudinal rotating frame relaxation time (T1ρ), rarely
used in low-field NMR, can be more effective than conventional T1 and T2 relaxation times …

Fast-forward approach of time-domain NMR relaxometry for solid-state chemistry of chitosan

WM Facchinatto, RH dos Santos Garcia… - Carbohydrate …, 2021 - Elsevier
Chitosans with different average degrees of acetylation and weight molecular weight were
analyzed by time-domain NMR relaxometry using the recently proposed pulse sequence …

[HTML][HTML] Unravelling temperature-dependent molecular changes in hydrated wheat and maize starches using 1H time-domain NMR

J van Rooyen, L Grunin, M Oztop, D Kruk… - Journal of Food …, 2024 - Elsevier
This study proved that time-domain NMR (TD-NMR) experiments can accurately
demonstrate the interaction between starch (wheat and maize) and water and the …

Solid-state nuclear magnetic resonance at low-field as an approach for fertiliser dissolution monitoring

EH Novotny, ER de Azevedo, J Wang… - Biology and Fertility of …, 2025 - Springer
The dissolution of fertilisers is the initial process that takes place in soils following fertiliser
application and influences the fate and effectiveness of fertilisers. Currently, there are only a …

Monitoring stimulated darkening from UV-C light on different bean genotypes by NMR spectroscopy

MV Salvador, FVC Kock, IL Santos, JFC Paulino… - Molecules, 2022 - mdpi.com
The use of UV-C cool white light on bean (Phaseolus vulgaris L.) seeds significantly
increases the biochemical seed coat post-harvest darkening process, whilst preserving seed …

[HTML][HTML] Non-destructive determination of the oil content in peach palm (Bactris gasipaes) flour using NMR and NIR spectroscopies

YJS Santos, NA Campos, GB Bicca… - Food Science and …, 2023 - SciELO Brasil
The oil from the fruit of peach palm or Pupunha (Bactris gasipaes) is an example of a
material with low-cost and good antioxidant capacity. However, Conventional methods for …

Real-Time Monitoring Polymerization Reactions Using Dipolar Echoes in 1H Time Domain NMR at a Low Magnetic Field

RHS Garcia, JG Filgueiras, LA Colnago… - Molecules, 2022 - mdpi.com
1H time domain nuclear magnetic resonance (1H TD-NMR) at a low magnetic field becomes
a powerful technique for the structure and dynamics characterization of soft organic …

Probing the “Dead-Time” in NMR by Combining Single Pulse and Solid Echo Experiments Followed by a Global Model Fit Analysis

EW Hansen - Applied Magnetic Resonance, 2024 - Springer
The main question addressed in this work is how to probe the “effective dead-time” in an
NMR instrument, ie, the time needed to blank the receiver after an rf-pulse excitation to …

A control system for performing automated time-domain NMR measurements in Bruker Minispec spectrometers

R Fenerick, ER de Azevedo… - IEEE Latin America …, 2022 - ieeexplore.ieee.org
Time-Domain Nuclear Magnetic Resonance (TD-NMR) is a powerful method used for
general characterization of a variety of materials as well as to online or in-situ monitoring of …