Keiji ENPUKU


Improved Liquid-Phase Detection of Biological Targets Based on Magnetic Markers and High-Critical-Temperature Superconducting Quantum Interference Device
Masakazu URA Kohei NOGUCHI Yuta UEOKA Kota NAKAMURA Teruyoshi SASAYAMA Takashi YOSHIDA Keiji ENPUKU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/06/01
Vol. E99-C  No. 6  pp. 669-675
Type of Manuscript:  INVITED PAPER (Special Section on Cutting-Edge Technologies of Superconducting Electronics)
Category: 
Keyword: 
high-critical-temperature superconducting quantum interference device (SQUID)magnetic markerimmunoassaysliquid-phase detection
 Summary | Full Text:PDF(822.6KB)

Liquid-Phase Detection of Biological Targets with Magnetic Marker and Superconducting Quantum Interference Device
Keiji ENPUKU Yuki SUGIMOTO Yuya TAMAI Akira TSUKAMOTO Takako MIZOGUCHI Akihiko KANDORI Naoki USUKI Hisao KANZAKI Kohji YOSHINAGA Yoshinori SUGIURA Hiroyuki KUMA Naotaka HAMASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/03/01
Vol. E92-C  No. 3  pp. 315-322
Type of Manuscript:  INVITED PAPER (Special Section on Recent Progress in Superconducting Analog Devices and Their Applications)
Category: 
Keyword: 
liquid-phase immunoassaymagnetic markerBrownian relaxationNeel relaxationB/F separationSQUID
 Summary | Full Text:PDF(599.4KB)

Magnetic Marker and High Tc Superconducting Quantum Interference Device for Biological Immunoassays
Keiji ENPUKU Katsuhiro INOUE Kohji YOSHINAGA Akira TSUKAMOTO Kazuo SAITOH Keiji TSUKADA Akihiko KANDORI Yoshinori SUGIURA Shigenori HAMAOKA Hiroyuki MORITA Hiroyuki KUMA Naotaka HAMASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/02/01
Vol. E88-C  No. 2  pp. 158-167
Type of Manuscript:  INVITED PAPER (Special Section on Superconducting Electronic Devices and Their Applications)
Category: 
Keyword: 
immunoassayhigh Tc SQUIDmagnetic markermagnetic nanoparticleremanence
 Summary | Full Text:PDF(832.9KB)

Thermally-Activated Flux Entry into a Pickup Coil through a Flux Dam in High Tc SQUID Magnetometers
Keiji ENPUKU Daishi TOKIMIZU Daisuke KURODA Shintaro HIJIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 681-686
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductive Electronics)
Category: SQUIDs and Their Applications
Keyword: 
high-Tc SQUIDflux damthermal activationfour-junction switchpotential barrier
 Summary | Full Text:PDF(352.1KB)

Biological Immunoassay with High Tc Superconducting Quantum Interference Device (SQUID) Magnetometer
Keiji ENPUKU Tadashi MINOTANI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/01/01
Vol. E84-C  No. 1  pp. 43-48
Type of Manuscript:  INVITED PAPER (Special Issue on Superconductive Electronics)
Category: SQUIDs
Keyword: 
high Tc SQUIDimmunoassaymagnetic nanoparticlesmagnetic markerantigen-antibody reaction
 Summary | Full Text:PDF(362.3KB)

Progress in High Tc Superconducting Quantum Interference Device (SQUID) Magnetometer
Keiji ENPUKU Tadashi MINOTANI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/01/25
Vol. E83-C  No. 1  pp. 34-43
Type of Manuscript:  INVITED PAPER (Special Issue on Superconductive Devices and Systems)
Category: SQUIDs
Keyword: 
high Tc SQUIDmagnetometergradiometernoisebicrystal junction
 Summary | Full Text:PDF(827.6KB)

Recent Development of High Tc dc SQUID Magnetometer
Keiji ENPUKU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/10/25
Vol. E80-C  No. 10  pp. 1240-1246
Type of Manuscript:  INVITED PAPER (Special Issue on Basic Properties and Applications of Superconductive Electron Devices)
Category: 
Keyword: 
dc SQUIDhigh Tc superconductorflux noiseFLL circuitflux trap
 Summary | Full Text:PDF(560.6KB)

Laser Deposition of Y1Ba2Cu3O7-δ -SrTiO3-Y1Ba2Cu3O7-δ Multilayers Utilizing the 4th Harmonics of Nd:YAG Pulse Laser
Takanobu KISS Keiji ENPUKU Tatsuya MATSUMURA Yasunori IRIYAMA Taketsune NAKAMURA Masakatsu TAKEO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/09/25
Vol. E79-C  No. 9  pp. 1269-1273
Type of Manuscript:  Special Section PAPER (Special Issue on Toward Digital and Analog Applications of Superconductors)
Category: Device technology
Keyword: 
high Tc superconductormultilayerlaser depositionNd:YAG laserYBaCuO
 Summary | Full Text:PDF(428.6KB)

RF Properties of the Coupling Circuit between dc SQUID and Multiturn Input Coil
Keiji ENPUKU Toshihiro TANAKA Keiji YOSHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/07/25
Vol. E74-C  No. 7  pp. 2020-2028
Type of Manuscript:  Special Section PAPER (Special Issue on Low Temperature Electronics)
Category: 
Keyword: 
 Summary | Full Text:PDF(635.7KB)

Josephson NDRO Memory Cell with a Direct-Coupled Sense Gate
Keiji ENPUKU Kuniaki SUEOKA Keiji YOSHIDA Fujio IRIE 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/06/25
Vol. E67-E  No. 6  pp. 331-332
Type of Manuscript:  LETTER
Category: Other Devices
Keyword: 
 Summary | Full Text:PDF(140.7KB)

Minimum Current of a Two-Junction SQUID Gate
Keiji ENPUKU Kuniaki SUEOKA Keiji YOSHIDA Fujio IRIE 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/01/25
Vol. E67-E  No. 1  pp. 33-39
Type of Manuscript:  PAPER
Category: Other Devices
Keyword: 
 Summary | Full Text:PDF(506KB)

Flux-Flow Type Josephson Oscillator with a Coupling Circuit to a Quasiparticle Detector
Tadao NAGATSUMA Keiji ENPUKU Fujio IRIE Keiji YOSHIDA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/11/25
Vol. E66-E  No. 11  pp. 680-681
Type of Manuscript:  LETTER
Category: Other Devices
Keyword: 
 Summary | Full Text:PDF(157.8KB)