Results 101 to 110 of about 10,176 (239)

Integrated and Efficient Diffusion-relaxometry Using ZEBRA [PDF]

, 2018
The emergence of multiparametric diffusion models combining diffusion and relaxometry measurements provides powerful new ways to explore tissue microstructure, with the potential to provide new insights into tissue structure and function.
Teixeira, Rui Pedro A.G., Jackson, L, Slator, P, Hajnal, JV, Jana Hutter, Hutter, Jana, Hutter, Jana; id_orcid, Paddy J. Slator, Thomas Roberts, Teixeira, Rui Pedro A. G., Hutter, J, Rui Pedro A. G. Teixeira, Price, Anthony N., Joseph V. Hajnal, Jackson, Laurence, Malik, Shaihan, Hajnal, Joseph V.; id_orcid, A. G. Teixeira, Rui Pedro, Christiaens, Daan, Laurence Jackson, Anthony N. Price, Price, AN, Malik, Shaihan; id_orcid, Roberts, Thomas, Roberts, Thomas; id_orcid, Shaihan Malik, Jackson, Laurence; id_orcid, Roberts, T, Christiaens, D, Slator, Paddy J., Daan Christiaens, Hajnal, Joseph V., Malik, S, Teixeira, RPAG   +33 more
core   +1 more source

Proton NMR Relaxometry as a Rapid and Non-Destructive Technique for Probing Degradation of Supported Poly(ethylenimine) for CO2 Direct Air Capture

, 2023
Aminopolymer-based adsorbents are commonly investigated for CO2 direct air capture (DAC). In the presence of high temperature and O2, which could happen during process upset, oxidative degradation can significantly contribute to limiting the adsorbent ...
Hannah V., Eshelman, Zoe A., Pollard, Elwin, Hunter-Sellars, Julia D., Kerr, Miles A., Sakwa-Novak, Maxwell A. T., Marple, Simon H., Pang   +6 more
core   +1 more source

Optimizing the Relaxivity of MRI Probes at High Magnetic Field Strengths With Binuclear GdIII Complexes

Frontiers in Chemistry, 2018
The key criteria to optimize the relaxivity of a Gd(III) contrast agent at high fields (defined as the region ≥ 1.5 T) can be summarized as follows: (i) the occurrence of a rotational correlation time τR in the range of ca.
Loredana Leone, Giuseppe Ferrauto, Maurizio Cossi, Mauro Botta, Lorenzo Tei   +4 more
doaj   +1 more source

Enhancing Study Design and Analysis of MR Imaging Markers Through Measurement Error Modeling

Journal of Magnetic Resonance Imaging, Volume 63, Issue 6, Page 1596-1609, June 2026.
ABSTRACT Background Measurement error in imaging reduces statistical power and potentially biases parameter estimation, compromising study reliability. Purpose To introduce a dual data collection design (reliability and main datasets) to quantify measurement error and apply regression calibration to correct error‐prone imaging markers, thereby ...
Xiaofeng Wang, Walter Zhao, Yifan Wang, Deborah H. Kwon, Ting‐Yu Su, Nancy A. Obuchowski, Mark A. Griswold, Zhong Irene Wang, Dan Ma   +8 more
wiley   +1 more source

Practical medical applications of quantitative MR relaxometry

, 2012
Conventional magnetic resonance (MR) images are qualitative, and their signal intensity is dependent on several complementary contrast mechanisms that are manipulated by the MR hardware and software. In the absence of a quantitative metric for absolute
Margaret Cheng, Hai-Ling, Wright, Graham A., Ghugre, Nilesh R., Stikov, Nikola   +3 more
core   +1 more source

In Vivo Nanodiamond Quantum Sensing of Free Radicals in Caenorhabditis elegans Models

Advanced Science
Free radicals are believed to play a secondary role in the cell death cascade associated with various diseases. In Huntington's disease (HD), the aggregation of polyglutamine (PolyQ) not only contributes to the disease but also elevates free radical ...
Siyu Fan, Yue Zhang, Anna P. Ainslie, Renée Seinstra, Tao Zhang, Ellen Nollen, Romana Schirhagl   +6 more
doaj   +1 more source

Biodegradable Materials Composed of PLA and High Load Triglycerides

Macromolecular Materials and Engineering, Volume 311, Issue 6, June 2026.
Transparent films of polylactic acid (PLA) was prepared with high sesame oil load (50% w/w). The cross‐section analysis of the films indicate that the oils are not absorbed into the polymer matrix; rather, they are stored as small droplets within the film.
Marie‐Luise Trutschel, Detlef Reichert, Assam Raja, Jonas Jacobs, Muhammad Abdel‐Haq, Awanish Kumar, Karsten Mäder, Abraham J Domb   +7 more
wiley   +1 more source

Quantitative Comparison of Multi‐Echo Spin Echo and Multi‐Echo Gradient Echo Myelin Water Imaging in a Panel of Mbp Enhancer‐Edited Mouse Lines

Magnetic Resonance in Medicine, Volume 95, Issue 6, Page 3396-3408, June 2026.
ABSTRACT Purpose To evaluate the correspondence between myelin water fraction (MWF) estimates derived from multi‐echo spin echo (MESE) and multi‐echo gradient echo (MGRE) imaging in fixed mouse brain tissue, using a panel of myelin basic protein (Mbp) enhancer‐edited mouse lines exhibiting graded hypomyelination.
Vladimir Grouza, Yawen Shi, Sean Goldfarb, Klaudia M. Bednarz, Isabella Gomez, Marius Tuznik, Zhe Wu, Hooman Bagheri, Katherine A. Siminovitch, Alan C. Peterson, Thomas Stroh, David A. Rudko   +11 more
wiley   +1 more source

Relaxivity Modulation of Gd-HPDO3A-like Complexes by Introducing Polar and Protic Peripheral Groups

Molecules
In the last three decades, high-relaxivity Magnetic Resonance Imaging (MRI) contrast agents (CAs) have been intensively sought, aiming at a reduction in the clinically injected dose while maintaining the safety of the CA and obtaining the same ...
Sara Camorali, Loredana Leone, Laura Piscopo, Lorenzo Tei   +3 more
doaj   +1 more source

Assessment of Optimal T1/T2‐Weighted Combinations for Myelin Sensitivity: Effects of Echo Time and Exponents

Magnetic Resonance in Medicine, Volume 95, Issue 6, Page 3176-3186, June 2026.
ABSTRACT Purpose The aim of this study is to improve the traditional T1‐weighted (T1w) over T2‐weighted (T2w) ratio as a proxy for myelin by investigating the optimal T2w TE and combination of exponent‐weighted T1w and T2w images (T1wx1/T2wx2). Methods T1w and T2w Gradient And Spin Echo (GRASE) data were acquired from 14 volunteers, 6 of whom had a ...
Simone Monachino, Gerhard S. Drenthen, Lis J. M. van den Boogaard, Marcel Breeuwer, Catarina Dinis Fernandes, Oliver H. H. Gerlach, Svitlana Zinger, Jacobus F. A. Jansen   +7 more
wiley   +1 more source