title: The use of agar gel as a basic reference material for calibrating relaxation times and imaging parameters.
abstract: The relaxation properties of agar gels render it a potentially useful basic reference material for calibrating the NMR equipment. The T1 and T2 values are close to the values observed for most biological tissues; they are stable and can be varied by controlling the concentration of MnCl2. The temperature, concentration, and volume dependence of T1 and T2 were studied.
mesh_terms: D000362:Agar; D002138:Calibration; D009682:Magnetic Resonance Spectroscopy
chemical_list: D000362:Agar