Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Mitsuaki Ashiki"'
Autor:
Koichi Matsumoto, Toshihiko Noda, Kazuaki Sawada, Hidekuni Takao, Kazunori Yoshioka, Makoto Ishida, Narihiro Oku, Mitsuaki Ashiki
Publikováno v:
Sensors and Actuators B: Chemical. 119:245-250
In this study, advantages of optical path extension in absorption photometry microchip for highly sensitive hemoglobin measurement have been demonstrated. Stability in repetitive measurement is evaluated with real blood samples. Long optical path (5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1cf0991b8342dc01707d2b0cf74ee67b
https://doi.org/10.1016/j.snb.2005.12.017
https://doi.org/10.1016/j.snb.2005.12.017
Autor:
Kazuaki Sawada, Hiroyuki Ebi, Makoto Ishida, Kazuhiro Miyamura, Mitsuaki Ashiki, Hidekuni Takao
Publikováno v:
Sensors and Actuators A: Physical. 119:468-475
In this paper, a thermo-pneumatic in-channel microvalve applicable to integrated blood test system is presented. Thermo-pneumatic actuator separated in drive chamber part and thermal expansion chamber part (two-chamber configuration) is newly propose
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8cdcdca835cec834805ea2f4526581c
https://doi.org/10.1016/j.sna.2004.10.023
https://doi.org/10.1016/j.sna.2004.10.023
Autor:
Makoto Ishida, Hiroyuki Ebi, Hidekuni Takao, Daisuke Satake, Koichiro Matsuda, Narihiro Oku, Mitsuaki Ashiki
Publikováno v:
Sensors and Actuators B: Chemical. 83:77-81
In this study, a sensor for blood cell counter has been developed using MEMS technology. The number of blood cells in human blood could be counted with this micro silicon MEMS device. Aperture-impedance method was used to detect blood cells as voltag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a327f21bf477896ebf7b5aa7105913a5
https://doi.org/10.1016/s0925-4005(01)01045-0
https://doi.org/10.1016/s0925-4005(01)01045-0
Autor:
Narihiro Oku, Toshihiko Noda, Hidekuni Takao, Kazuaki Sawada, Koichi Matsumoto, K. Yoshioka, Mitsuaki Ashiki, Makoto Ishida
Publikováno v:
The 13th International Conference on Solid-State Sensors, Actuators and Microsystems, 2005. Digest of Technical Papers. TRANSDUCERS '05..
In this paper, performance of a silicon microsystem for blood hemoglobin measurement is demonstrated, and evaluation of long-term stability with real blood samples is presented. Long optical path is realized inside the microchip using two 45/spl deg/
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1beab52b2ab481de295059243d3e7ef4
https://doi.org/10.1109/sensor.2005.1497495
https://doi.org/10.1109/sensor.2005.1497495
Autor:
Hidekuni Takao, Hiroyuki Ebi, Kazuhiro Miyamura, Kazuaki Sawada, Mitsuaki Ashiki, Makoto Ishida
Publikováno v:
TRANSDUCERS '03. 12th International Conference on Solid-State Sensors, Actuators and Microsystems. Digest of Technical Papers (Cat. No.03TH8664).
In this paper, a thermo-pneumatic in-channel microvalve applicable to blood sample is presented. Thermo-pneumatic actuator with a drive chamber and a thermal expansion chamber is newly configured with backside pneumatic path. PDMS is employed as the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e10267e5ad10ca82328924a031a7e561
https://doi.org/10.1109/sensor.2003.1215272
https://doi.org/10.1109/sensor.2003.1215272
Publikováno v:
Extended Abstracts of the 2003 International Conference on Solid State Devices and Materials.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfae517c47558e6efb776e7ed2563b24
https://doi.org/10.7567/ssdm.2003.p14-2
https://doi.org/10.7567/ssdm.2003.p14-2
Autor:
Kazuhiro Miyamura, Mitsuaki Ashiki, Kazuaki Sawada, Toshihiko Noda, Makoto Ishida, Hidekuni Takao
Publikováno v:
Micro Total Analysis Systems 2001 ISBN: 9789401038935
In this study, a microchip for blood hemoglobin measurement has been investigated. Multireflection structure is used for sensitivity enhancement in absorbance. Glass/silicon bonded structure was used for the microchip to integrate electron/optical de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b2d761316751e181e249e0b38373ae5
https://doi.org/10.1007/978-94-010-1015-3_157
https://doi.org/10.1007/978-94-010-1015-3_157
Autor:
Daisuke Satake, Koichiro Matsuda, Hidekuni Takao, Makoto Ishida, Narihiro Oku, Hiroyuki Ebi, Mitsuaki Ashiki
Publikováno v:
Transducers ’01 Eurosensors XV ISBN: 9783540421504
In this study, a durable sensor device for blood cell counter has been developed using MEMS technology. The number of blood cells in human blood can be counted and checked with 10 mm × 5 mm silicon MEMS device. Aperture-impedance method was used to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4183de7b9dd451304ab5c1ce99ad2726
https://doi.org/10.1007/978-3-642-59497-7_277
https://doi.org/10.1007/978-3-642-59497-7_277
Publikováno v:
Japanese Journal of Applied Physics. 43:2392
In this study, a microchip for measurement of hemoglobin in human blood has been proposed, fabricated and evaluated. The measurement principle of hemoglobin is based on the “cyanmethemoglobin method” that calculates the cyanmethemoglobin concentr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55e1c8cabfac43b7aca58a0b464c5b68
https://doi.org/10.1143/jjap.43.2392
https://doi.org/10.1143/jjap.43.2392
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 26:220-224
A novel homodyne scheme for implementing a broad-band impedance indicator is proposed. It features a simple form made possible by using a modified quarternary phase-shift keying as a subcarrier modulation method. This method allows both the amplitude
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7126b0cf1df86acf5783f98f151f512b
https://doi.org/10.1109/tim.1977.4314540
https://doi.org/10.1109/tim.1977.4314540