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Title 

Development of a mouse biomagnetic measurement system by using a high-Tc SQUID magnetometer

Authors 

I S KimS AhnChul Ho LeeY H Le

Publisher 

Institute of Electrical and Electronics Engineers (IEEE)

Issue Date 

2011

Citation 

IEEE Transactions on Applied Superconductivity, vol. 21, no. 3, pp. 493-496

Keywords 

Biomagnetic measurementHigh-Tc SQUID magnetometerMagnetocardiographyMouse

Abstract 

We have developed a biomagnetic measurement system for mouse by using high-Tc SQUID magnetometer. The system consists of a high-T c SQUID magnetometer, a table-top magnetically shielded box, and a nonmagnetic dewar with a warm-to-cool distance of about 4 mm. Mice with weights of about 27 g were anesthetized and fixed in supine position on a plastic xyz-stage inside the shield box. The SQUID readout signal was digitized in 24-bit and recorded with sampling rate of 1280 Hz. We carried out a scanning measurement by changing x-and y-position of the subject inside the shield box. Finally, we could obtain clear mouse MCG waveforms of about 20 pT in peak amplitude with well defined P-, QRS-, and T-wave. We demonstrated the high-Tc SQUID magnetometer based biomagnetic measurement system is useful for monitoring mouseMCG signals with sufficient noise-to-signal ratio.

ISSN 

1051-8223

Link 

http://dx.doi.org/10.1109/TASC.2010.2094993

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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