Method of measuring extracellular potential measurement device and extracellular potential with this

摘要

PROBLEM TO BE SOLVED: To solve the problem that cells fluctuate and measuring data becomes unstable because charging pressure is too strong when a medical fluid is charged to the peripheries of cells in an extracellular potential measuring device used for the screening of a medicine.;SOLUTION: A substrate 25 is provided and at least one well for mixing cells 21 to be examined, a culture medium 22 and a medicine is provided in the substrate while a fine through hole 3 and at least one cavity 4 connected to the fine through-hole 3 are provided to the bottom surface of the well and a sensor element 1 wherein the side surface of the well is formed into a conical shape is provided.;COPYRIGHT: (C)2005,JPO&NCIPI