Kyushu University Academic Staff Educational and Research Activities Database
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Keiji Enpuku Last modified date:2017.05.09



Graduate School
Undergraduate School
Other Organization
Administration Post
Director of the Research Center for Magnetic-nanoparticle-based Biosensing Systems
Director of the Research Institute of Superconductor Science and Systems
Other


E-Mail
Homepage
http://www.sc.kyushu-u.ac.jp/~enlab/
Phone
092-802-3835
Fax
092-802-3829
Academic Degree
Doctor of Engineering
Field of Specialization
Superconducting Electronics
Outline Activities
Research on superconducting electronics has benn done. Design, fabrication process and characterization of superconducting devices have been studied. Application systems utilizing the superconducting device have also been developed, such as an advanced sensing system with highly sensitive SQUID magnetometer. The system has been applied to many fields, such as medical and biological measurement, biosensor using magnetic nanoparticles, diagnostics of material and characterization of magnetic properties of small sample.
Research
Research Interests
  • Development of highly sensitive biosensing system utilizing magnetic markers and SQUID sensor
    keyword : magnetic marker, biosensing,SQUID sensor, Immunoassay, magnetic particle imaging
    2010.04~2018.03Development of magnetic bio-sensing system for immunoassay. For realizing the highly sensitive system, key issues, such as a magnetic marker, SQUID sensor and protocal of magnetic immunoassay, have been studied. The goal is to develop the system whose sensitivity is 100 times higher than the conventional optical system..
  • Development of Bioimaging System utilizing magnetic markers
    keyword : magnetic marker, bioimaging, filed map
    2006.04~2019.03Magantic nnaoparticles coated with detecting antibody or drug have been studied for medical applications, such as invivo diagnosis and treatment. For these applications, it is necessary to detect the position and amount of the nanoparticles that are accumulated inside the body. The goal is to develop the imaging system to detect the magnetic nanoparticles accumulated inside the body..
  • Development of magnetic immunoassay system utilizing magnetic markers and SQUID sensor
    keyword : magnetic marker, SQUID sensor, Immunoassay
    2000.04~2017.03Development of magnetic bio-sensing system for immunoassay. For realizing the highly sensitive system, key issues, such as a magnetic marker, SQUID sensor and protocal of magnetic immunoassay, have been studied. The goal is to develop the system whose sensitivity is 100 times higher than the conventional optical system..
  • Quantitative evaluation of properties of magnetic markers for biological application
    keyword : magnetic nanoparticles, Brownian relaxation, Nell relaxation, biosensor
    2005.04.
  • Development of nondestructing evaluation (NDE) system utilizing cooled pickup coil and SQUID picovoltmeter.
    keyword : NDE, SQUID, Cooled pickup coil
    2003.04Development of eddy current testing (ECT) system utilizing cooled pickup coil and SQUID picovoltmeter. We show that the system noise can be much improved compared with the conventional one, and demonstrate the detection of crack using this system..
  • Development of highly sensitive SQUID magnetometer utilizing high Tc superconductors.
    keyword : high Tc superconductor, SQUID, Laser abblation, magnetometer
    2000.04~2017.03Development of highly sensitive SQUID magnetometer utilizing high Tc superconductors. Low noise sensor has been developed at T=77 K by optimizing a device process with laser ablation method and optimizing the SQUID design. The low noise magnetometer system using the SQUID sensor has also been developed for diferent applications..
  • Development of SQUID microscope for the measurements of magnetic property of very small samples.
    keyword : SQUID microscope, small samples, current distribution
    2001.04~2010.03Development of SQUID microscope for the measurements of magnetic property of very small samples. The key issues for the microscope, such as cooling head, small sensor and excitation method, have been studied. The microscope is applied to measure magnetic property of small samples and current distribution in small area of electronic circuit..
  • Development of ultra-low field SQUID-NMR system
    keyword : SQUID, ultra-low field, NMR
    2010.04~2015.03.
Current and Past Project
  • Development of HTS SQUID system for mine exploration.
Academic Activities
Other Research Activities
  • 2016.07, Advanced Bio-sensing system utilizing magnetic marker and highly sensitive magnetic sensor.
  • 2015.10, Advanced Bio-sensing system utilizing magnetic marker and highly sensitive magnetic sensor.
  • 2014.10, Advanced HTS SQUID Systems for Bio-sensing and Non-destractive Evalutation.
  • 2013.10, Advanced HTS SQUID Systems for Bio-sensing and Non-destractive Evalutation.
  • 2012.10, Advanced HTS SQUID Systems for Bio-sensing and Non-destractive Evalutation.
  • 2011.10, Advanced HTS SQUID Systems for Bio-sensing and Non-destractive Evalutation.
  • 2010.01, Advanced HTS SQUID Systems for Bio-sensing and Non-destractive Evalutation.
Educational
Social
Professional and Outreach Activities
Application systems of SQUID magnetometer have been developed in cooperation with companies. The systems inclue (1) magnetic immunoassay system with SQUID and magnetic marker, (2) SQUID microscope for the characterization of small samples, (3) matrial diagnostic system and (4)shielding technology of environmental noise..