JP5555709B2 - 生体適合電極 - Google Patents
生体適合電極 Download PDFInfo
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- JP5555709B2 JP5555709B2 JP2011535162A JP2011535162A JP5555709B2 JP 5555709 B2 JP5555709 B2 JP 5555709B2 JP 2011535162 A JP2011535162 A JP 2011535162A JP 2011535162 A JP2011535162 A JP 2011535162A JP 5555709 B2 JP5555709 B2 JP 5555709B2
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/0551—Spinal or peripheral nerve electrodes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/4833—Physical analysis of biological material of solid biological material, e.g. tissue samples, cell cultures
- G01N33/4836—Physical analysis of biological material of solid biological material, e.g. tissue samples, cell cultures using multielectrode arrays
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
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- Health & Medical Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
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- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Optics & Photonics (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Urology & Nephrology (AREA)
- Neurosurgery (AREA)
- Food Science & Technology (AREA)
- Radiology & Medical Imaging (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Description
)はマルチウェルプレート,例えば384ウェルプレートなどが使われる。従って,すべての穴に対応するためには多くの電極とコストが必要とされ,そのため,個々の電極の製造の容易さが重要となる。
薄くするために使われたものと同じエッチングである。陽極酸化でつかわれるものと同じ電解質(例えば,4重量%リン酸)が使われる。これらのパラメーターを制御することにより,例えば,長く狭い孔(図5A),または短く広い孔(図5B)を形成することができる。
Claims (26)
- 集積回路から形成される生体適合電極であって,
半導体基板と,
少なくとも部分的に多孔質バルブ金属酸化物を含む電極層と,
前記多孔質バルブ金属酸化物のうちの少なくとも一部をコーティングするように配置された貴金属コーティングと,
前記貴金属コーティングを介して,前記多孔質バルブ金属酸化物に対する電気的な接続と,を含む
電極。 - 前記電極層が,
前記多孔質バルブ金属酸化物のうち少なくとも一部と,少なくとも部分的に接触するように,バルブ金属及びバルブ金属合金のいずれかを,更に含む,
請求項1に記載の電極。 - 前記バルブ金属と前記バルブ金属合金のうちの一つを介して,前記多孔質バルブ金属酸化物への電気的な接続を更に有する,
請求項2に記載の電極。 - 前記貴金属のうち,少なくとも一部をコーティングするように配置された第2コーティング部を更に含む,
請求項1から3のいずれか1項に記載の電極。 - 前記半導体基板と電極層の間に,絶縁層,または1つまたは1つ以上の金属層へのビアホールを更に含む,
請求項1から4のいずれか1項に記載の電極。 - 前記絶縁体,前記半導体基板,または前記ビアホールと,前記電極層の間に,バリア層を更に含む,
請求項5に記載の電極。 - 請求項1から6のいずれか1項に記載の電極であって,
前記電極は,少なくとも部分的に陽極酸化されたバルブ金属を含む前記集積回路の金属化層から形成される電極層を有し,相補型金属酸化膜半導体集積回路によって構成される電極。 - 前記バルブ金属が,アルミニウム(Al),タングステン(W),チタン(Ti),タンタル(Ta),ハフニウム(Hf),ニオブ(Nb),及びジルコニウム(Zr)のうちの1つである,
請求項1から7のいずれか1項に記載の電極。 - 請求項1から8のいずれか1項に記載の電極を含む並列電極アレイ。
- 単一または複数のウェルプレートに適合される,請求項9に記載の並列電極を含むシステム。
- 請求項1から10のいずれか1項に記載の電極,並列電極アレイ,またはシステムを含むバイオセンサー。
- 生体適合電極の製造方法であって,
金属化層はバルブ金属及びバルブ金属合金のうち1つを含むものであって,集積回路の前記金属化層を電解質にさらす工程と,
多孔質バルブ金属酸化物を含む電極層を得るために,前記電解質で前記金属化層の少なくとも一部を陽極酸化する工程と,
前記多孔質バルブ金属酸化物の少なくとも一部を,貴金属によってコーティングする工程をと,を含む,
生体適合電極の製造方法。 - 前記多孔質バルブ金属酸化物の孔の容積及びサイズのうち,少なくとも一つを制御するために,陽極酸化段階において,温度及び圧力のうち,少なくとも一つを制御する工程を,更に含む
請求項12に記載の製造方法。 - 前記多孔質バルブ金属酸化物の孔の容積及びサイズのうち,少なくとも一つを制御するために,前記電解質中のポリエチレングリコール(PEG)の濃度及び酸の濃度のうち少なくとも一つを制御する工程を,更に含む
請求項12または請求項13記載の製造方法。 - 前記陽極酸化工程の後に,前記多孔質バルブ金属酸化物をエッチングする工程を,更に含む
請求項12から14のいずれか1項に記載の製造方法。 - 前記電極層の少なくとも一部をコーティングする工程を,更に含む
請求項12から15のいずれか1項に記載の製造方法。 - 前記コーティングする工程は,電気めっきする工程を含む,
請求項16に記載の製造方法。 - コーティングされた前記電極層を加工する工程を更に含む,
請求項16から17のいずれか1項に記載の製造方法。 - コーティングされた前記電極層の少なくとも一部に,第2コーティングを載せる工程を更に含む,
請求項16から18のいずれか1項に記載の製造方法。 - 前記電解質とエッチング液が同じである,
請求項12から19のいずれか1項に記載の製造方法。 - 前記集積回路が相補型金属酸化膜半導体集積回路である,
請求項12から20のいずれか1項に記載の製造方法。 - 前記バルブ金属が,アルミニウム(Al),タングステン(W),チタン(Ti),タンタル(Ta),ハフニウム(Hf),ニオブ(Nb),ジルコニウム(Zr)のうちの1つである,
請求項12から21のいずれか1項に記載の製造方法。 - 高処理スクリーニングの方法であって,
請求項9に記載の並列電極アレイと適合するマルチウェルプレートの上で,電極が付着性の細胞と接触するように配置され,前記電極と前記細胞を付着させる工程と,
前記電極により前記細胞を刺激及び/または記録をする工程,または前記細胞の存在によって変化する電気抵抗を測定する工程と,を含む
高処理スクリーニングの方法。 - 粒子を分離する方法であって,
請求項1から8のいずれか1項に記載の電極は,前記粒子が付着するように配置され,前記電極によって粒子を分離する工程を含む
粒子を分離する方法。 - 前記粒子が,細胞及びタンパク質のうち,少なくとも1つを含む
請求項24に記載の粒子を分離する方法。 - 前記方法には,電気的細胞基板電気抵抗検出(ECIS)または誘電泳動が含まれる,
請求項23から25のいずれか1項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0820629.4A GB0820629D0 (en) | 2008-11-11 | 2008-11-11 | Biocompatible electrode |
GB0820629.4 | 2008-11-11 | ||
PCT/GB2009/002641 WO2010055287A1 (en) | 2008-11-11 | 2009-11-10 | Biocompatible electrode |
Publications (2)
Publication Number | Publication Date |
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JP2012508051A JP2012508051A (ja) | 2012-04-05 |
JP5555709B2 true JP5555709B2 (ja) | 2014-07-23 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011535162A Expired - Fee Related JP5555709B2 (ja) | 2008-11-11 | 2009-11-10 | 生体適合電極 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20120091011A1 (ja) |
EP (1) | EP2356448A1 (ja) |
JP (1) | JP5555709B2 (ja) |
CN (1) | CN102272593B (ja) |
CA (1) | CA2743258A1 (ja) |
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US9070492B2 (en) * | 2010-09-14 | 2015-06-30 | The General Hospital Corporation | Nanoporous metal multiple electrode array and method of making same |
US9285336B2 (en) | 2012-08-09 | 2016-03-15 | The Board Of Trustees Of The Leland Stanford Junior University | Sensing platform for quantum transduction of chemical information |
US9279801B2 (en) * | 2013-07-26 | 2016-03-08 | Axion Biosystems, Inc. | Devices, systems and methods for high-throughput electrophysiology |
US10101293B2 (en) | 2013-08-09 | 2018-10-16 | The Board Of Trustees Of The Leland Stanford Junio | Sensing platform for transduction of information |
GB201401613D0 (en) * | 2014-01-30 | 2014-03-19 | Univ Leicester | System for a brain-computer interface |
US10067117B2 (en) | 2014-08-12 | 2018-09-04 | Axion Biosystems, Inc. | Cell-based biosensor array and associated methods for manufacturing the same |
US10883140B2 (en) | 2016-04-21 | 2021-01-05 | President And Fellows Of Harvard College | Method and system of nanopore-based information encoding |
CN117214272A (zh) | 2016-04-28 | 2023-12-12 | 小利兰·斯坦福大学董事会 | 中等规模系统反馈诱发的耗散和噪声抑制 |
US10852292B2 (en) | 2016-12-02 | 2020-12-01 | Sony Semiconductor Solutions Corporation | Semiconductor apparatus and potential measuring apparatus |
US11492722B2 (en) | 2016-12-02 | 2022-11-08 | Sony Semiconductor Solutions Corporation | Semiconductor apparatus and potential measuring apparatus |
KR101961535B1 (ko) * | 2017-01-10 | 2019-07-17 | 전자부품연구원 | 피부 전도도 측정 센서 및 그 제조방법 |
EP3351290B1 (de) * | 2017-01-23 | 2019-06-26 | Heraeus Deutschland GmbH & Co. KG | Elektrische durchführung mit kontaktelement und verfahren zur herstellung |
CN111591953B (zh) * | 2020-05-07 | 2022-08-05 | 南京航空航天大学 | 针状微电极及其制备方法 |
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US4542579A (en) * | 1975-06-30 | 1985-09-24 | International Business Machines Corporation | Method for forming aluminum oxide dielectric isolation in integrated circuits |
JPH0293349A (ja) * | 1988-09-30 | 1990-04-04 | Canon Inc | 微小プローブ電極とその製造方法 |
JP3648258B2 (ja) * | 1992-02-13 | 2005-05-18 | 株式会社東芝 | 核酸鎖検出法 |
CN2185752Y (zh) * | 1993-11-01 | 1994-12-21 | 黄虹 | 电解用复合型电极 |
IL120866A0 (en) * | 1997-05-20 | 1997-09-30 | Micro Components Systems Ltd | Process for producing an aluminum substrate |
US6516808B2 (en) * | 1997-09-12 | 2003-02-11 | Alfred E. Mann Foundation For Scientific Research | Hermetic feedthrough for an implantable device |
US6259937B1 (en) * | 1997-09-12 | 2001-07-10 | Alfred E. Mann Foundation | Implantable substrate sensor |
US6705152B2 (en) * | 2000-10-24 | 2004-03-16 | Nanoproducts Corporation | Nanostructured ceramic platform for micromachined devices and device arrays |
EP2275166A3 (en) * | 1999-03-24 | 2014-05-21 | Second Sight Medical Products, Inc. | Visual prosthesis |
US6475214B1 (en) * | 2000-05-01 | 2002-11-05 | Biosense Webster, Inc. | Catheter with enhanced ablation electrode |
CN1330154A (zh) * | 2000-06-27 | 2002-01-09 | 南京益来基因医学有限公司 | 细胞微阵列芯片及其制备方法 |
JP3537417B2 (ja) * | 2001-12-25 | 2004-06-14 | 株式会社東芝 | 半導体装置およびその製造方法 |
JP2004147845A (ja) * | 2002-10-30 | 2004-05-27 | Toppan Printing Co Ltd | センサーチップ |
US7127301B1 (en) * | 2003-04-28 | 2006-10-24 | Sandia Corporation | Flexible retinal electrode array |
JP2005351800A (ja) * | 2004-06-11 | 2005-12-22 | Canon Inc | 生体物質濃縮方法、生体物質濃縮素子、及び、生体物質濃縮素子を用いたバイオセンサ |
US20080233561A1 (en) * | 2005-07-20 | 2008-09-25 | University Of Louisville Research Foundation, Inc. | Method for Measuring Cytopathic Effect Due to Viral Infection in Cells Using Electric Cell-Substrate Impedance Sensing |
US20070187840A1 (en) * | 2005-11-21 | 2007-08-16 | Dell Acqua-Bellavitis Ludovico | Nanoscale probes for electrophysiological applications |
EP1903000B1 (fr) * | 2006-09-25 | 2019-09-18 | Sorin CRM SAS | Composant biocompatible implantable incorporant un élément actif intégré tel qu'un capteur de mesure d'un paramètre physiologique, microsystème électromécanique ou circuit électronique |
US8238995B2 (en) * | 2006-12-08 | 2012-08-07 | General Electric Company | Self-adhering electrodes and methods of making the same |
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JP2012508051A (ja) | 2012-04-05 |
EP2356448A1 (en) | 2011-08-17 |
WO2010055287A1 (en) | 2010-05-20 |
CN102272593B (zh) | 2014-05-28 |
CN102272593A (zh) | 2011-12-07 |
CA2743258A1 (en) | 2010-05-20 |
GB0820629D0 (en) | 2008-12-17 |
US20120091011A1 (en) | 2012-04-19 |
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