| 摘要 |
PROBLEM TO BE SOLVED: To detect a trace amount of ionic species, and selectively detect a bioactive substance in a biological tissue with high precision. SOLUTION: An ultra-micro glass capillary is formed by arranging a reference electrode such as Ag/AgCl, a working electrode such as a resin coated Pt wire, and a counter electrode such as a Pt wire inside a glass capillary having a conical point with a point inside diameter of about 1.5 μm or less, about 0.9-1.2 μm desirably. |
