نتایج جستجو برای: relaxometry
تعداد نتایج: 838 فیلتر نتایج به سال:
The nitrogen-vacancy (NV) defect in diamond is an efficient quantum sensor of randomly fluctuating signals via relaxometry measurements. In particular, the longitudinal spin relaxation NV accelerates presence magnetic noise with a spectral component at its electron resonance frequency. We look into this effect quantitatively by applying calibrated and tunable on single defect. show that increas...
Mesial temporal sclerosis (MTS) is the most common known pathologic substrate of epilepsy. Accurate preoperative identification of unilateral MTS bymagnetic resonance (MR) imaging has had a tremendous impact on the clinical management of medically refractory seizures. It was well known in the pre-MR era that obtaining a temporal lobectomy specimen that contained MTS conferred a higher probabili...
BACKGROUND This research describes an early preclinical study of the biophysical mechanisms governing changes in myocardial T2 during vasodilation in normal myocardium. METHODS AND RESULTS Theoretical modeling and experimental studies in an instrumented pig model (n=7) provided measures of changes in myocardial T2, relative blood volume (BV), and microcirculation oxygen levels (%O2) during in...
D. C. Bigler, C. Flaherty-Craig, Y. Aksu, B-Y. Lee, K. R. Scott, H. E. Stephens, J. J. Vesek, J. Wang, M. L. Shaffer, P. J. Eslinger, Z. Simmons, and Q. X. Yang Psychiatry, Penn State Hershey Medical Center, Hershey, PA, United States, Neurology, Penn State Hershey Medical Center, Hershey, PA, United States, Electrical Engineering, Penn State University, State College, PA, United States, Bioeng...
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