the National Center for R&D on Superconductivity, Chinese Academy of Sciences (Grant No. KJCX2-W4);the Ministry of Science and Technology of China (Grant No. G19990646).
A single-channel high-Tc dc-SQUID magnetometer and gradiometer have been developed to record the magnetic field component perpendicular to the human chest generated by heart-beat. Magnetocardiogram (MCG) measurements ...