Chemical-imaging sensor using enzyme

被引:40
作者
Inoue, S [1 ]
Nakao, M [1 ]
Yoshinobu, T [1 ]
Iwasaki, H [1 ]
机构
[1] OSAKA UNIV,INST SCI & IND RES,IBARAKI,OSAKA 567,JAPAN
关键词
chemical-imaging sensors; light-addressable potentiometric sensor (LAPS); enzyme; urea; urease;
D O I
10.1016/0925-4005(96)80104-3
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
We have developed a new chemical-imaging sensor, which can visualize the two-dimensional distribution of a specific substance. This sensor uses an enzyme immobilized on the sensing surface of the pH-imaging sensor that we reported previously. As an example, a urea-imaging sensor has been fabricated using urease, and some two-dimensional patterns of urea distribution in agar visualized.
引用
收藏
页码:23 / 26
页数:4
相关论文
共 10 条
[1]   APPLYING SILICON MICROMACHINING TO CELLULAR-METABOLISM [J].
BOUSSE, L ;
PARCE, W .
IEEE ENGINEERING IN MEDICINE AND BIOLOGY MAGAZINE, 1994, 13 (03) :396-401
[2]   BIOSENSORS FOR DETECTION OF ENZYMES IMMOBILIZED IN MICROVOLUME REACTION CHAMBERS [J].
BOUSSE, L ;
KIRK, G ;
SIGAL, G .
SENSORS AND ACTUATORS B-CHEMICAL, 1990, 1 (1-6) :555-560
[3]   LIGHT-ADDRESSABLE POTENTIOMETRIC SENSOR FOR BIOCHEMICAL SYSTEMS [J].
HAFEMAN, DG ;
PARCE, JW ;
MCCONNELL, HM .
SCIENCE, 1988, 240 (4856) :1182-1185
[4]  
Miyahara Y., 1983, Analytical Chemistry Symposia Series, V17, P501
[5]   OBSERVATION OF MICROORGANISM COLONIES USING A SCANNING-LASER-BEAM PH-SENSING MICROSCOPE [J].
NAKAO, M ;
INOUE, S ;
OISHI, R ;
YOSHINOBU, T ;
IWASAKI, H .
JOURNAL OF FERMENTATION AND BIOENGINEERING, 1995, 79 (02) :163-166
[6]   IMPROVEMENT OF SPATIAL-RESOLUTION OF A LASER-SCANNING PH-IMAGING SENSOR [J].
NAKAO, M ;
YOSHINOBU, T ;
IWASAKI, H .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1994, 33 (3A) :L394-L397
[7]   SCANNING-LASER-BEAM SEMICONDUCTOR PH-IMAGING SENSOR [J].
NAKAO, M ;
YOSHINOBU, T ;
IWASAKI, H .
SENSORS AND ACTUATORS B-CHEMICAL, 1994, 20 (2-3) :119-123
[8]   THE LIGHT-ADDRESSABLE POTENTIOMETRIC SENSOR - PRINCIPLES AND BIOLOGICAL APPLICATIONS [J].
OWICKI, JC ;
BOUSSE, LJ ;
HAFEMAN, DG ;
KIRK, GL ;
OLSON, JD ;
WADA, HG ;
PARCE, JW .
ANNUAL REVIEW OF BIOPHYSICS AND BIOMOLECULAR STRUCTURE, 1994, 23 :87-113
[9]   COMPUTER-SIMULATION AND OPTIMIZATION OF A LIGHT ADDRESSABLE POTENTIOMETRIC SENSOR [J].
SARTORE, M ;
ADAMI, M ;
NICOLINI, C .
BIOSENSORS & BIOELECTRONICS, 1992, 7 (01) :57-64
[10]   INTEGRATED BIOSENSOR EMPLOYING A SURFACE PHOTOVOLTAGE TECHNIQUE [J].
SHIMIZU, M ;
KANAI, Y ;
UCHIDA, H ;
KATSUBE, T .
SENSORS AND ACTUATORS B-CHEMICAL, 1994, 20 (2-3) :187-192