نتایج جستجو برای: t2 relaxometry
تعداد نتایج: 31231 فیلتر نتایج به سال:
Effects of Peach Cultivar on Enzymatic Browning Following Cell Damage from High-Pressure Processing.
Peach cultivars contribute to unique product characteristics and may affect the degree of browning after high-pressure processing (HPP). Nine peach cultivars were subjected to HPP at 0, 100, and 400 MPa for 10 min. Proton nuclear magnetic resonance (1H NMR) relaxometry, light microscopy, color, polyphenol oxidase (PPO) activity, and total phenols were evaluated. The development of enzymatic bro...
We have demonstrated that the relaxometry technique is very efficient to quantify paramagnetic ions during in situ electrolysis measurements. Therefore, the goal of this work was to validate the relaxometry technique in the determination of the concentration of the ions contained in electrolytic solutions, Cu(2+), Ni(2+), Cr(3+), and Mn(2+), and compare it with other analytical methods. Two dif...
PURPOSE Magnetic resonance imaging relaxometry studies differed on the relaxometry methods and their approaches to determining the regions of interest (ROIs) in restless legs syndrome (RLS) patients. These differences could account for the variable and inconsistent results found across these studies. The aim of this study was to assess the relationship between the different relaxometry methods ...
Low field time-domain nuclear magnetic resonance (TD-NMR) relaxometry of paramagnetic metal cations (PMC) has been widely used to study and improve contrast agents for imaging (MRI). However, despite its remarkable potential, TD-NMR is rarely PMC complexes, coordination compounds in non-biomedical application. Therefore, this review aimed provide comprehensive information not only non-nuclear (...
BACKGROUND Buyang Huanwu Decoction (BYHWD) is a Traditional Chinese Medicine (TCM) formula for treating stroke-induced disability. Xiaoshuan enteric-coated capsule (XSECC), derived from the formula BYHWD, is a drug approved by the China Food and Drug Administration (CFDA) for stroke management. To further investigate the potential protective effects of XSECC on neurovascular functions, we endea...
Introduction In recent years numerous approaches for the efficient, accurate and simultaneous quantitation of T1, T2, and M0 have been proposed – Ref 1 and 2 among them. Indeed, growing interest in generating synthetic MR images [2] and in “quantitative” tissue characterization continues to drive technical developments in MR relaxometry. Here we propose a novel 2D multi-slice pulse sequence tha...
BACKGROUND AND PURPOSE MR fingerprinting allows rapid simultaneous quantification of T1 and T2 relaxation times. This study assessed the utility of MR fingerprinting in differentiating common types of adult intra-axial brain tumors. MATERIALS AND METHODS MR fingerprinting acquisition was performed in 31 patients with untreated intra-axial brain tumors: 17 glioblastomas, 6 World Health Organiz...
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