Nanostructure array based sensors for electrochemical sensing, capacitive sensing and field-emission sensing
OwnerWaqas Khalidinventor
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Abstract
The present invention relates to utilizing individually addressable nanostructure arrays as nano electrodes for multianalyte electrochemical sensing via utilizing various electrochemical spectroscopy, capacitive and field emission techniques. In certain aspects, the invention provides devices and arrangements comprising at least two individually addressable nanostructures in an array on a substrate, and uses thereof. In other certain aspects, the invention features systems comprising the device and a chip holder, and further comprising hardware and software.
Claims29
An arrangement of at least two individually addressable nanostructures (207) in an array on a first substrate (201),
- wherein the first substrate (201) is non-conducting, wherein there is at least one conducting electrical portion (208) within the first substrate,
- wherein the conducting electrical portion forms electrical contacts with the nanostructures (207) forming the at least two individually addressable nanostructures in an array,
- wherein the at least two individually addressable nanostructures are charged with a positive charge or a negative charge by the electrical portion in substrate,
- wherein the nanostructures (207) are individually connected with conductive paths (403) on the first face (202) of the non-conducting substrate (201) and at least one conductive structure (210) in a second substrate (209) via the conductive portion (208) in the first substrate (201)
- wherein the said nanostructures (207) are covered with a medium (3000), wherein the medium comprises an analyte, and wherein when a voltage (900) is applied between the at least two nanostructures (207), an electric or electromagnetic field is generated between the said nanostructures and a capacitance (700) is formed between the nanostructures;
- wherein the direction of the electrical field is dependent on the polarity of the voltage applied;
- and wherein the electric or electromagnetic field results in movement of charged material between the at least two nanostructures.
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Dependencies are inferred from the claim text.