A positive resist composition comprises: (A) a resin that contains a repeating unit (A1) having a lactone structure and a cyano group, and increases its solubility to an alkali developer by action of an acid; (B) a compound that generates an acid by irradiation with actinic ray or radiation; and (C) a solvent.

 
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> WATER-SOLUBLE CATIONIC MAGNETIC FINE PARTICLES AND METHOD FOR SEPARATING OR DETECTING LIPID VESICLE USING THE SAME

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