Abstract: There is a method for measuring a deviation amount of a measuring device, comprising: transferring, by using a transfer device, the measuring device to a position in an area specified by transfer position data; acquiring measurement values using four or more sensor electrodes of the measuring device; identifying two or more sensor electrodes among the four or more sensor electrodes, the two or more sensor electrodes outputting, as the measurement values, capacitances that satisfy a reliability standard; and calculating the deviation amount based on the measurement values of the identified two or more sensor electrodes.

Abstract: An exemplary substance is provided that permeates the blood-brain barrier and shows a property of penetrating into the brain. Further, exemplary use of the substance as a drug carrier is provided for delivering into the brain, and a pharmaceutical composition containing the substance. Additionally, exemplary lactose-modified cyclodextrin or dendrimer/glucuronyl glucosyl-cyclodextrin is provided that permeates the blood-brain barrier and shows a property of penetrating into the brain. Exemplary blood-brain barrier permeable pharmaceutical composition is also provided which comprises a lactose-modified cyclodextrin or dendrimer/glucuronyl glucosyl-cyclodextrin, and a drug.