发明授权
- 专利标题: Electro-chemical sensor
- 专利标题(中): 电化学传感器
-
申请号: US13502718申请日: 2010-10-14
-
公开(公告)号: US09377434B2公开(公告)日: 2016-06-28
- 发明人: Valerie Lafitte , Nathan S. Lawrence
- 申请人: Valerie Lafitte , Nathan S. Lawrence
- 申请人地址: US TX Sugar Land
- 专利权人: SCHLUMBERGER TECHNOLOGY CORPORATION
- 当前专利权人: SCHLUMBERGER TECHNOLOGY CORPORATION
- 当前专利权人地址: US TX Sugar Land
- 优先权: GB0921511.2 20091209
- 国际申请: PCT/IB2010/002641 WO 20101014
- 国际公布: WO2011/070408 WO 20110616
- 主分类号: G01N27/403
- IPC分类号: G01N27/403 ; G01N27/416 ; G01V3/18 ; G01N27/333 ; G01N33/18
摘要:
An electrochemical sensor for the presence or concentration of an analyte has at least one electrode and at least one electrochemically active species able to undergo electrochemical reaction in response to electrical potential applied to the electrode, where the said reaction is modified by the presence of the analyte. This sensor has the novel characteristic that at least one said electrochemically active species is encapsulated within polymer particles. These particles are preferably formed from an amorphous polymer with a glass transition temperature above the temperature of the fluid to which the sensor is exposed. The encapsulating polymer protects the analyte species from degradation, but a small analyte such as a hydrogen or bisulfide ion can pass through the polymer and undergo reaction at the active species.
公开/授权文献
- US20120268134A1 ELECTRO-CHEMICAL SENSOR 公开/授权日:2012-10-25