McAulay Fisher Nissen Goldberg & Kiel, LLP
Dry analytical element containing ampholyte
 A dry analytical element comprising at least one water-permeable reagent layer and a porous spreading layer laminated in this order on a support, wherein at least one layer which is the water-permeable reagent layer, the porous spreading layer or an optional water-permeable layer contains a water-soluble polybasic amino carboxylic acid which is an ampholyte. By applying an analytical element of the invention, an analyte can be measured at a high sensitivity using a small amount of an enzyme, etc., and shelf file can be extended. 
Fuji Photo Film Co., Ltd.
Y Y G
Y10T Y10T G01N
additional additional inventional
Toshihiro Yoshikazu Masashi
Mori Amano Ogawa