Amol Thakkar, Andrea Antonia Byekwaso, et al.
ACS Fall 2022
Paper
Low temperature magnetic susceptibility of ceruloplasmin
Abstract
The magnetic susceptibility of both ceruloplasmin and its apoprotein was measured in the temperature range from 2 to 4·2°K and at 77°K. The paramagnetic contribution of the cupric ions of ceruloplasmin to the susceptibility obeys the Curie law above 2°K. By combining the Curie constant with published electron spin resonance data, we conclude that 0·44±0·02 of the total copper in the protein is in the cupric, paramagnetic state. © 1967.
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