Chemical field-effect transistor
A ChemFET is a chemically-sensitive field-effect transistor, that is a field-effect transistor used as a sensor for measuring chemical concentrations in solution. When the target analyte concentration changes, the current through the transistor will change accordingly. Here, the analyte solution separates the source and gate electrodes. A concentration gradient between the solution and the gate electrode arises due to a semi-permeable membrane on the FET surface containing receptor moieties that preferentially bind the target analyte. This concentration gradient of charged analyte ions creates a chemical potential between the source and gate, which is in turn measured by the FET.
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Chemical field-effect transistor
A ChemFET is a chemically-sensitive field-effect transistor, that is a field-effect transistor used as a sensor for measuring chemical concentrations in solution. When the target analyte concentration changes, the current through the transistor will change accordingly. Here, the analyte solution separates the source and gate electrodes. A concentration gradient between the solution and the gate electrode arises due to a semi-permeable membrane on the FET surface containing receptor moieties that preferentially bind the target analyte. This concentration gradient of charged analyte ions creates a chemical potential between the source and gate, which is in turn measured by the FET.
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A ChemFET is a chemically-sens ...... s in turn measured by the FET.
@en
Ein chemisch sensitiver Feldef ...... ransistor (EOSFET)
* (GASFET)
@de
Un Transistor à effet de champ ...... dans des liquides ou des gaz.
@fr
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A ChemFET is a chemically-sens ...... s in turn measured by the FET.
@en
Ein chemisch sensitiver Feldef ...... g zum angelegten Potential bei
@de
Un Transistor à effet de champ ...... dans des liquides ou des gaz.
@fr
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Chemical field-effect transistor
@en
Chemisch sensitiver Feldeffekttransistor
@de
Transistor à effet de champ chimique
@fr