Proton diffusion along biological membranes

ES Medvedev, AA Stuchebrukhov - Journal of Physics …, 2011 - iopscience.iop.org
Biological surfaces are known to be capable of retaining protons and facilitating their lateral
diffusion. Since the surface dynamically exchanges protons with the bulk, the proton …

Self-diffusion of water and blood lipids in mouse erythrocytes

IA Avilova, AV Smolina, AI Kotelnikov… - Applied Magnetic …, 2016 - Springer
The self-diffusion of water and lipids in water—mouse RBCs' suspension was investigated
by pulsed field gradient NMR technique at different diffusion times in temperature range from …

Nafion® membranes: Molecular diffusion, proton conductivity and proton conduction mechanism

KD Kreuer, T Dippel, W Meyer, J Maier - MRS Online Proceedings …, 1992 - cambridge.org
H-PFG-NMR diffusion and proton conductivity data for NAFION® 117 is presented as a
function of temperature and water content. From this, H2O diffusion on a molecular scale is …

Using 2H labeling with neutron radiography for the study of solid polymer electrolyte water transport properties

P Boillat, P Oberholzer, BC Seyfang… - Journal of Physics …, 2011 - iopscience.iop.org
A method combining 2 H labeling of different sources of H atoms (hydrogen, water vapor)
with neutron imaging for the analysis of transport parameters in the bulk and at the interfaces …

[PDF][PDF] Time-resolved diffusion NMR measurements for transient processes

TSC MacDonald, WS Price, JE Beves - ChemPhysChem, 2019 - academia.edu
A general procedure for measurement of time-resolved diffusion coefficients of molecular
species by NMR is described, including the use of methanol for fast temperature …

A new type of sample tube for reducing convection effects in PGSE-NMR measurements of self-diffusion coefficients of liquid samples

K Hayamizu, WS Price - Journal of magnetic resonance, 2004 - Elsevier
Pulsed gradient spin-echo (PGSE) NMR measurements of the self-diffusion coefficients of
low viscosity liquids are greatly hampered by the effects of convection especially away from …

Concentration dependence of bidirectional flux ratio as a characteristic of transmembrane ion transporting mechanism

LV Schagina, AE Grinfeldt, AA Lev - The Journal of Membrane Biology, 1983 - Springer
Unidirectional flux ratio for monovalent cations was determined by tracer flux and
conductivity measurements on lipid bilayer membranes formed from bulk ox brain lipids …

Identification of multiple diffusion rates in mixed solvent anion exchange membranes using high resolution MAS NMR

JE Jenkins, MR Hibbs, TM Alam - Acs Macro Letters, 2012 - ACS Publications
High resolution magic angle spinning (HRMAS) 1H NMR in combination with 2D exchange
NOESY and pulsed field gradient (PFG) NMR diffusion experiments have been used to …

[HTML][HTML] Pulsed field gradient NMR diffusion measurement in nanoporous materials

J Kärger, M Avramovska, D Freude, J Haase, S Hwang… - Adsorption, 2021 - Springer
Labeling in diffusion measurements by pulsed field gradient (PFG) NMR is based on the
observation of the phase of nuclear spins acquired in a constant magnetic field with …

Tracing compartment exchange by NMR diffusometry: Water in lithium-exchanged low-silica X zeolites

A Lauerer, R Kurzhals, H Toufar, D Freude… - Journal of Magnetic …, 2018 - Elsevier
The two-region model for analyzing signal attenuation in pulsed field gradient (PFG) NMR
diffusion studies with molecules in compartmented media implies that, on their trajectory …