Title :
Magnetic contaminant imaging using High-TC SQUID ultra-low field MRI technologies
Author :
Tanaka, Shoji ; Tsunaki, S. ; Yamamoto, Manabu ; Hatsukade, Y. ; Hatta, J.
Author_Institution :
Toyohashi Univ. of Technol., Toyohashi, Japan
Abstract :
We applied back projection method and got a 2D image of the bottle as shown in Fig.1. Two separated bright area can be seen. Each spot is corresponding to the 1H of water. Then we applied this technology to the contaminant detection in food. Two water bottles, one with a small aluminum ball of φ1.5 mm, the other without, were prepared. Figure 2 shows the comparison of the 1H signal intensity between with an aluminum small ball and without. In case of the existing of the aluminum ball, one dip can be observed in the spectrum. At present we don´t use MPI technology, but MPI will be applied to the system to enhance the signal in the near future.
Keywords :
SQUID magnetometers; biological NMR; biological techniques; biomagnetism; 2D image; aluminum ball; back projection method; bottle; food contaminant detection; high-TC SQUID; magnetic contaminant imaging; ultralow field MRI technology; water; Aluminum; Biomedical measurement; Magnetic field measurement; Magnetic resonance imaging; Nuclear magnetic resonance; Pollution measurement; SQUIDs;
Conference_Titel :
Magnetic Particle Imaging (IWMPI), 2013 International Workshop on
Conference_Location :
Berkeley, CA
Print_ISBN :
978-1-4673-5520-9
Electronic_ISBN :
978-1-4673-5521-6
DOI :
10.1109/IWMPI.2013.6528386
