Field-cycling NMR relaxometry

R Kimmich, E Anoardo - Progress in nuclear magnetic resonance …, 2004 - Elsevier
8.3. Evidence for Rouse dynamics šM, McŽ................................................... 290 8.4. The three
regimes of spin–lattice relaxation dispersion in entangled polymer melts, solutions and …

Self-diffusion studies by intra-and inter-molecular spin-lattice relaxometry using field-cycling: Liquids, plastic crystals, porous media, and polymer segments

R Kimmich, N Fatkullin - Progress in Nuclear Magnetic Resonance …, 2017 - Elsevier
Field-cycling NMR relaxometry is a well-established technique for probing molecular
dynamics in a frequency range from typically a few kHz up to several tens of MHz. For the …

Polymer chain dynamics and NMR

R Kimmich, N Fatkullin - NMR• 3D Analysis• Photopolymerization, 2004 - Springer
The universal features of polymer dynamics are specifically represented by laws for
(anomalous) segment diffusion and chain relaxation modes. Nuclear magnetic resonance …

Advanced insight on the water dynamics of anisotropic hydrogels by field-cycling nuclear magnetic resonance: Application of 3-Tau model

R Kogon, D Faux, A Assifaoui, P Bodart - Carbohydrate polymers, 2023 - Elsevier
Fast field cycling (FFC) nuclear magnetic resonance (NMR) relaxometry is used to
investigate an anisotropic polygalacturonate hydrogel formed by the diffusion of calcium …

Molecular exchange dynamics in partially filled microscale and nanoscale pores of silica glasses studied by field-cycling nuclear magnetic resonance relaxometry

C Mattea, R Kimmich, I Ardelean… - The Journal of …, 2004 - pubs.aip.org
Nuclear magnetic spin-lattice relaxation experiments have been performed in partially filled
porous glasses with wetting and nonwetting fluids. The frequency dependence of the spin …

Translational dynamics of ionic liquid imidazolium cations at solid/liquid interface in gel polymer electrolyte

A Rachocki, E Andrzejewska, A Dembna… - European Polymer …, 2015 - Elsevier
Gel polymer electrolyte (GPE) based on ethoxylated bisphenol A dimethacrylate and 1-butyl-
3-methylimidazolium tetrafluoroborate ([BMIm][BF 4]) ionic liquid (IL) at the mass ratio of 20 …

Effect of gel matrix confinement on the solvent dynamics in supramolecular gels

J Kowalczuk, A Rachocki, M Bielejewski… - Journal of Colloid and …, 2016 - Elsevier
Supramolecular gels formed by the sugar gelator of methyl-4, 6-O-(p-nitrobenzylidene)-α-d-
glucopyranoside (1) with 1, 3-propanediol (PG) and 1-butanol (BU) were prepared with …

Liquid crystal 8CB in random porous glass: NMR relaxometry study of molecular diffusion and director fluctuations

M Vilfan, T Apih, PJ Sebastiao, G Lahajnar… - Physical Review E …, 2007 - APS
We present the measurements of the proton spin-lattice relaxation time T 1 of liquid crystal 4-
n-octyl-4′-cyanobiphenyl (8CB) confined into randomly oriented∼ 15 nm pores of …

Field-cycling NMR relaxometry of a liquid crystal above in mesoscopic confinement

PJ Sebastião, D Sousa, AC Ribeiro, M Vilfan… - Physical Review E …, 2005 - APS
We measured the proton spin-lattice relaxation times in the isotropic phase of liquid crystal
4′-n-pentyl-4-cyanobiphenyl (5CB) confined into porous glass (CPG) with the average …

The solvent dynamics at pore surfaces in molecular gels studied by field-cycling magnetic resonance relaxometry

J Tritt-Goc, A Rachocki, M Bielejewski - Soft Matter, 2014 - pubs.rsc.org
The molecular dynamics of the solvent molecules at liquid–solid interfaces in low molecular
mass gels and in bulk solvents have been identified and characterized with the aid of field …