Masao Kamahori

Summary

Affiliation: Advanced Research Laboratory
Country: Japan

Publications

  1. ncbi request reprint DNA detection by an extended-gate FET sensor with a high-frequency voltage superimposed onto a reference electrode
    Masao Kamahori
    Central Research Laboratory, Hitachi, Ltd, Tokyo, Japan
    Anal Sci 23:75-9. 2007
  2. ncbi request reprint A novel enzyme immunoassay based on potentiometric measurement of molecular adsorption events by an extended-gate field-effect transistor sensor
    Masao Kamahori
    Central Research Laboratory, Hitachi, Ltd, 1 280 Higashi Koigakubo, Kokubunji shi, Tokyo 185 8601, Japan
    Biosens Bioelectron 22:3080-5. 2007
  3. ncbi request reprint Detection of DNA hybridization and extension reactions by an extended-gate field-effect transistor: characterizations of immobilized DNA-probes and role of applying a superimposed high-frequency voltage onto a reference electrode
    Masao Kamahori
    Central Research Laboratory, Hitachi Ltd, Kokubunji shi, Tokyo, Japan
    Biosens Bioelectron 23:1046-54. 2008
  4. ncbi request reprint Enzyme immunoassay using a reusable extended-gate field-effect-transistor sensor with a ferrocenylalkanethiol-modified gold electrode
    Masao Kamahori
    Central Research Laboratory, Hitachi, Ltd, Kokubunji, Tokyo 185 8601, Japan
    Anal Sci 24:1073-9. 2008
  5. doi request reprint Extended-gate FET-based enzyme sensor with ferrocenyl-alkanethiol modified gold sensing electrode
    Yu Ishige
    Central Research Laboratory, Hitachi Ltd, 1 280 Higashi Koigakubo, Kokubunji shi, Tokyo 185 8601, Japan
    Biosens Bioelectron 24:1096-102. 2009
  6. doi request reprint Direct detection of enzyme-catalyzed products by FET sensor with ferrocene-modified electrode
    Yu Ishige
    Central Research Laboratory, Hitachi, Ltd, 1 280 Higashi Koigakubo, Kokubunji shi, Tokyo 185 8601, Japan
    Biosens Bioelectron 26:1366-72. 2010
  7. doi request reprint Molecule counting with alkanethiol and DNA immobilized on gold microplates for extended gate FET
    Zhong Cao
    Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, School of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha 410004, PR China
    Mater Sci Eng C Mater Biol Appl 33:1481-90. 2013
  8. ncbi request reprint A gel-free SNP genotyping method: bioluminometric assay coupled with modified primer extension reactions (BAMPER) directly from double-stranded PCR products
    Guo Hua Zhou
    Hitachi, Ltd, Central Research Laboratory, Tokyo, Japan
    Hum Mutat 24:155-63. 2004
  9. doi request reprint Development of bioluminescent pyrophosphate assay using pyruvate phosphate dikinase and its application to single-nucleotide polymorphism analysis
    Hidetoshi Arakawa
    School of Pharmaceutical Sciences, Showa University, Tokyo 142 8555, Japan
    Anal Biochem 379:86-90. 2008

Collaborators

Detail Information

Publications9

  1. ncbi request reprint DNA detection by an extended-gate FET sensor with a high-frequency voltage superimposed onto a reference electrode
    Masao Kamahori
    Central Research Laboratory, Hitachi, Ltd, Tokyo, Japan
    Anal Sci 23:75-9. 2007
    ..As a result of applying this method, the FET sensor could successfully detect DNA hybridization and the extension reaction...
  2. ncbi request reprint A novel enzyme immunoassay based on potentiometric measurement of molecular adsorption events by an extended-gate field-effect transistor sensor
    Masao Kamahori
    Central Research Laboratory, Hitachi, Ltd, 1 280 Higashi Koigakubo, Kokubunji shi, Tokyo 185 8601, Japan
    Biosens Bioelectron 22:3080-5. 2007
    ..The FET sensor based ELISA used in this measurement technique can successfully detect Interleukin 1 beta at concentrations as low as 1 pg/mL...
  3. ncbi request reprint Detection of DNA hybridization and extension reactions by an extended-gate field-effect transistor: characterizations of immobilized DNA-probes and role of applying a superimposed high-frequency voltage onto a reference electrode
    Masao Kamahori
    Central Research Laboratory, Hitachi Ltd, Kokubunji shi, Tokyo, Japan
    Biosens Bioelectron 23:1046-54. 2008
    ..Thus, the FET sensor could detect DNA hybridization and extension reactions by applying a superimposed high-frequency voltage to the DNA-probes density-controlling gold surface...
  4. ncbi request reprint Enzyme immunoassay using a reusable extended-gate field-effect-transistor sensor with a ferrocenylalkanethiol-modified gold electrode
    Masao Kamahori
    Central Research Laboratory, Hitachi, Ltd, Kokubunji, Tokyo 185 8601, Japan
    Anal Sci 24:1073-9. 2008
    ..In addition, all measurements were successfully performed by using the same FET-sensor chip after a treatment with a 5% hydrogen peroxide solution...
  5. doi request reprint Extended-gate FET-based enzyme sensor with ferrocenyl-alkanethiol modified gold sensing electrode
    Yu Ishige
    Central Research Laboratory, Hitachi Ltd, 1 280 Higashi Koigakubo, Kokubunji shi, Tokyo 185 8601, Japan
    Biosens Bioelectron 24:1096-102. 2009
    ..5 microL while maintaining the sensitivity. The FET-based enzyme sensor successfully detected a serum cholesterol level from 33 to 233 mg/dL at the Nernstian slope of 57 mV/decade...
  6. doi request reprint Direct detection of enzyme-catalyzed products by FET sensor with ferrocene-modified electrode
    Yu Ishige
    Central Research Laboratory, Hitachi, Ltd, 1 280 Higashi Koigakubo, Kokubunji shi, Tokyo 185 8601, Japan
    Biosens Bioelectron 26:1366-72. 2010
    ..2 mV/decade. Also, this method was applied to pesticide detection by using the enzyme inhibition by pesticide, and 5 ppb of diazinon was successfully detected by using only a sensor chip...
  7. doi request reprint Molecule counting with alkanethiol and DNA immobilized on gold microplates for extended gate FET
    Zhong Cao
    Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, School of Chemistry and Biological Engineering, Changsha University of Science and Technology, Changsha 410004, PR China
    Mater Sci Eng C Mater Biol Appl 33:1481-90. 2013
    ..36 molecules per 100 nm(2), showing that the EGFET is a promising sensing biochip for DNA molecule counting...
  8. ncbi request reprint A gel-free SNP genotyping method: bioluminometric assay coupled with modified primer extension reactions (BAMPER) directly from double-stranded PCR products
    Guo Hua Zhou
    Hitachi, Ltd, Central Research Laboratory, Tokyo, Japan
    Hum Mutat 24:155-63. 2004
    ..As all reactions can be carried out in a single tube, the method will be useful for realizing a fully automated genotyping system...
  9. doi request reprint Development of bioluminescent pyrophosphate assay using pyruvate phosphate dikinase and its application to single-nucleotide polymorphism analysis
    Hidetoshi Arakawa
    School of Pharmaceutical Sciences, Showa University, Tokyo 142 8555, Japan
    Anal Biochem 379:86-90. 2008
    ..This method, which does not require expensive equipment, can be used to rapidly monitor one point mutation in the gene...