TY - JOUR
T1 - Incubation type Si-based planar ion channel biosensor
AU - Urisu, Tsuneo
AU - Asano, Toshifumi
AU - Zhang, Zhenlong
AU - Uno, Hidetaka
AU - Tero, Ryugo
AU - Junkyu, Han
AU - Hiroko, Isoda
AU - Arima, Yusuke
AU - Iwata, Hiroo
AU - Shibasaki, Koji
AU - Tominaga, Makoto
N1 - Funding Information:
Acknowledgements This work was partly supported by NINS Cooperative Project Bio-molecular Sensor, and Grants-in-Aid for Scientific Research, Basic research (A) and Priority Area “Life Surveyor” promoted by the Ministry of Education, Culture, Sports, Science and Technology, Japan.
PY - 2008/8
Y1 - 2008/8
N2 - A new planar-type ion channel biosensor with the function of cell culture has been fabricated using silicon on an insulator substrate as the sensor chip material. Coating of the sensor chip with fibronectin was essentially important for cell incubation on the chip. Although the seal resistance was quite low (∼7 MΩ) compared with the pipette patch-clamp gigaohm seal, the whole-cell channel current of the transient receptor potential vanilloid type 1 (TRPV1) channel expressing HEK293 cells was successfully observed, with a good signal-to-noise ratio, using capsaicin as a ligand molecule.
AB - A new planar-type ion channel biosensor with the function of cell culture has been fabricated using silicon on an insulator substrate as the sensor chip material. Coating of the sensor chip with fibronectin was essentially important for cell incubation on the chip. Although the seal resistance was quite low (∼7 MΩ) compared with the pipette patch-clamp gigaohm seal, the whole-cell channel current of the transient receptor potential vanilloid type 1 (TRPV1) channel expressing HEK293 cells was successfully observed, with a good signal-to-noise ratio, using capsaicin as a ligand molecule.
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U2 - 10.1007/s00216-008-1994-z
DO - 10.1007/s00216-008-1994-z
M3 - Article
C2 - 18392614
AN - SCOPUS:49049108463
SN - 0016-1152
VL - 391
SP - 2703
EP - 2709
JO - Fresenius Zeitschrift fur Analytische Chemie
JF - Fresenius Zeitschrift fur Analytische Chemie
IS - 8
ER -