A microcapsule includes an electrophoretic dispersion liquid including at least one kind of electrophoretic particle having a polarity, and a capsule body encapsulating the electrophoretic dispersion liquid and made of a polymeric material including one of a nonpolar resin without having a polarity and a resin material having a nonpolar group without having a polarity as a side chain.

 
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> Optimized relaxivity and specificity hepatobiliary MRI contrast agent

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