Oblon, Spivak, McClelland, Maier & Neustadt
Method and apparatus for the measurement of analyte substances
 A method for measuring trace amounts of analyte substance(s), which utilize a pH electrode is disclosed. This method is by far simpler than conventional optical detecting systems. The apparatus for practicing the method is also disclosed. By the use of pH electrode, the apparatus is compact, inexpensive and easy to operate, and hence usable in small-size and medium-size hospitals or clinical laboratories and by patient's bedside. 
Kuraray Co., Ltd.
G
G01N
inventional
Michihiro Hideaki Hitoshi
Nakamura Yamada Tsuruta