Microscale Electrochemical Cell And Methods Incorporating The Cell
First Claim
1. An electrochemical cell for processing a sample fluid, the cell comprising:
- a. a body having a flow path, the flow path having an inlet and an outlet;
b. a reference electrode in fluid communication with the flow path;
c. a counter electrode in fluid communication with the flow path;
d. a porous working electrode in fluid communication with the flow path, the working electrode comprising a working electrode material;
e. an electrical connection for the working electrode in electrical contact with the working electrode;
f. a working electrode section having a volume of from about 1 pL to about 1 μ
L and located in the flow path, the working electrode being positioned inside the working electrode section; and
,g. a barrier between the reference electrode and the working electrode.
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Accused Products
Abstract
An electrochemical cell for processing a sample fluid, has a body with a flow path, the flow path having an inlet and an outlet; a reference electrode in fluid communication with the flow path; a counter electrode in fluid communication with the flow path; a porous working electrode in fluid communication with the flow path, the working electrode having a working electrode material; an electrical connection for the working electrode in electrical contact with the working electrode; and a working electrode section in the flow path. The working electrode is positioned inside the working electrode section. The working electrode section has a volume of from about 1 pL to about 1 μL.
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Citations
23 Claims
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1. An electrochemical cell for processing a sample fluid, the cell comprising:
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a. a body having a flow path, the flow path having an inlet and an outlet; b. a reference electrode in fluid communication with the flow path; c. a counter electrode in fluid communication with the flow path; d. a porous working electrode in fluid communication with the flow path, the working electrode comprising a working electrode material; e. an electrical connection for the working electrode in electrical contact with the working electrode; f. a working electrode section having a volume of from about 1 pL to about 1 μ
L and located in the flow path, the working electrode being positioned inside the working electrode section; and
,g. a barrier between the reference electrode and the working electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 20, 21)
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14. An electrochemical detection system comprising:
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a. a circuit board; b. an electrochemical cell electrically coupled to the circuit board, the cell comprising; i. a body having a flow path, the flow path having an inlet and an outlet; ii. a reference electrode in fluid communication with the flow path; iii. a counter electrode in fluid communication with the flow path; iv. a porous working electrode positioned in the flow path, the working electrode comprising a working electrode material; v. an electrical connection for the working electrode in electrical contact with the working electrode; vi. a working electrode section in the flow path, the working electrode being positioned inside the working electrode section;
wherein the working electrode section has a volume of from about 1 pL to about 1 μ
L;c. a preamplifier electrically connected to the circuit board and the cell; d. a connector electrically connected to the preamplifier; and
,e. a housing surrounding the circuit board, the preamplifier and the connector. - View Dependent Claims (15, 16, 17, 18, 19)
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22. An array of electrochemical cells comprising:
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a. a monolithic body comprising silica and a flow path, the flow path having an inlet and an outlet; b. a plurality of reference electrodes in fluid communication with the flow path; c. a plurality of counter electrodes in fluid communication with the flow path; d. a plurality of separate porous working electrodes positioned in the flow path; e. separate electrical connections for each of the working electrodes in electrical contact with the working electrodes; and f. a plurality of barriers between the reference electrodes and the working electrodes. - View Dependent Claims (23)
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Specification