Alterations in magnetic characteristics produced by intracellular particles |
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| Authors: | Robert T Gordon William P Halperin David Gordon Arthur J Freeman |
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| Institution: | (1) Department of Physics and Astronomy, Northwestern University, 60201 Evanston, IL, USA;(2) Lutheran General Hospital, 1775 Dempster, 60068 Park Ridge, IL, USA;(3) University of Illinois College of Medicine, 1853 W. Polk, 60680 Chicago, IL, USA |
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| Abstract: | Comparisons were made of the magnetic susceptibility in tissue containing intracellular particles with respect to control tissue. Twenty animals, Sprague Dawley rats, were utilized of which ten were injected with FeTPPS4-acetate particles under one micron in size. Magnetic susceptibility measurements were performed on tumor tissue from the injected and control animals. Studies showed an average susceptibility ratio of 0.79 in the tumors of the control group while in the injected group there was a susceptibility ratio of 1.25 in the tumors of the injected group as compared to the liver tissue in the injected group (p<0.001). |
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