126 citations · 325 across the 5 of their papers we have counts for
5 papers
In vivo observation and biophysical interpretation of time-dependent diffusion in human cortical gray matter
Hong-Hsi Lee, Antonios Papaioannou, Dmitry S. Novikov +1
The dependence of the diffusion MRI signal on the diffusion time is a hallmark of tissue microstructure at the scale of the diffusion length. Here we measure the time-dependenc…
A time-dependent diffusion MRI signature of axon caliber variations and beading
Hong-Hsi Lee, Antonios Papaioannou, Sung-Lyoung Kim +2
MRI provides a unique non-invasive window into the brain, yet is limited to millimeter resolution, orders of magnitude coarser than cell dimensions. Here we show that diffusion MRI…
Training a Neural Network for Gibbs and Noise Removal in Diffusion MRI
Matthew J. Muckley, Benjamin Ades-Aron, Antonios Papaioannou +7
We develop and evaluate a neural network-based method for Gibbs artifact and noise removal. A convolutional neural network (CNN) was designed for artifact removal in diffusion-weig…
Observation of structural universality in disordered systems using bulk diffusion measurement
Antonios Papaioannou, Dmitry S. Novikov, Els Fieremans +1
We report on an experimental observation of classical diffusion distinguishing between structural universality classes of disordered systems in one dimension. Samples of hyperunifo…
Methane storage in nanoporous media as observed via high field NMR relaxometry
Antonios Papaioannou, Ravinath Kausik
The storage properties of methane gas in Vycor porous glass (5.7 nm) are characterized in a wide pressure range from 0.7 MPa-89.7 MPa using Nuclear Magnetic Resonance (NMR). We dem…