VANADIUM OXIDE FILMS AND METHODS OF FABRICATING THE SAME

Method for fabricating a crystalline vanadium oxide (VO) film comprising the steps of: a) depositing an amorphous VOfilm on a substrate by pulsed DC magnetron sputtering using a vanadium target, wherein the substrate is exposed to a sputtering gas comprising an inert process gas and oxygen (O), and the substrate has a temperature of less than about 50° C.; and b) annealing the deposited amorphous VOfilm to crystallise the amorphous VOfilm into a crystalline VOfilm that exhibits an insulator-metal transition. The disclosed method for fabricating a crystalline VOfilm may be suitable for a broad range of substrates. 1. A method for fabricating a crystalline vanadium oxide (VO) film comprising the steps of:{'sub': 2', '2, 'a) depositing an amorphous VOfilm on a substrate by pulsed DC magnetron sputtering using a vanadium target, wherein the substrate is exposed to a sputtering gas comprising an inert process gas and oxygen (O), and the substrate has a temperature of less than about 50° C.; and'}{'sub': 2', '2', '2, 'b) annealing the deposited amorphous VOfilm to crystallise the amorphous VOfilm into a crystalline VOfilm that exhibits an insulator-metal transition.'}2. The method according to claim 1 , wherein the annealing is performed at a pressure in the range of about 20 Pa to about 50 Pa.3. The method according to claim 2 , wherein the annealing is performed at a pressure in the range of about 30 Pa to about 40 Pa.4. The method according to claim 1 , wherein the substrate temperature is in the range from about 20° C. to about 30° C.5. The method according to claim 4 , wherein the substrate temperature is about room temperature.6. The method according to claim 1 , wherein the inert process gas is argon (Ar).7. The method according to claim 6 , wherein the sputtering gas has an Omolar concentration in Ar in a range from about 20% to about 60%.8. The method according to claim 7 , wherein the sputtering gas has an Omolar concentration in Ar of about 30%.9. The method ...

SENSOR AND METHOD FOR DISCRIMINATING BETWEEN WAVELENGTH REGIONS USING THE SENSOR

A sensor for discriminating between wavelength regions in an electromagnetic spectrum is disclosed. The sensor comprising a substrate, a sensing element supported on a surface of the substrate, and at least one pair of terminal electrodes disposed on the substrate surface in mutually spaced apart and opposing relation, and in electrical contact with the sensing element, wherein the sensing element is responsive to electromagnetic radiation to yield a change in photocurrent measured between the terminal electrodes as a function of an intensity of the electromagnetic radiation impinging thereon, wherein a positive dependency on the intensity corresponds to a first wavelength region and a negative dependency on the intensity corresponds to a second wavelength region. 1. A sensor for discriminating between wavelength regions in an electromagnetic spectrum , comprising:a substrate;a sensing element supported on a surface of the substrate; andat least one pair of terminal electrodes disposed on the substrate surface in mutually spaced apart and opposing relation, and in electrical contact with the sensing element, wherein the sensing element is responsive to electromagnetic radiation to yield a change in photocurrent measured between the terminal electrodes as a function of an intensity of the electromagnetic radiation impinging thereon, wherein a positive dependency on the intensity corresponds to a first wavelength region and a negative dependency on the intensity corresponds to a second wavelength region.2. A sensor according to claim 1 , wherein the first wavelength region corresponds to wavelengths that fall within a range of 315 nm to 400 nm claim 1 , and the second wavelength region corresponds to wavelengths that fall within a range of 280 nm to 315 nm.3. A sensor according to claim 1 , wherein the sensing element comprises at least one black phosphorus flake.4. A sensor according to claim 3 , wherein the black phosphorus flake has a bandgap greater than 0.2 ...

Flexible or stretchable sensor for use in detecting a substance and/or electromagnetic radiation, and a method for detecting thereof

In general, this disclosure is directed to a flexible or stretchable sensor and a method of detecting a substance and/or electromagnetic radiation using said sensor. The sensor comprises a flexible or stretchable substrate, a pair of terminal electrodes disposed on the flexible or stretchable substrate in mutually spaced apart and opposing relation, and a sensing element applied to the flexible or stretchable substrate, between and in electrical contact with the pair of terminal electrodes, wherein the sensing element is responsive to a substance and/or electromagnetic radiation impinging thereon, and wherein when a voltage is applied across the sensor, an electrical signal is generated that is proportional to a resistance value corresponding to a sensing of the substance and/or electromagnetic radiation impinging on the sensing element.

Memristor device and a method of fabrication thereof

A memristor device is disclosed comprising: a first electrode; a second electrode; a cathode metal layer disposed on a surface of the first electrode; and an active region disposed between and in electrical contact with the second electrode and the cathode metal layer, the active region comprising at least one layer of an amorphous metal oxide, wherein when a switching voltage is applied between the first and second electrodes, the active region exhibits a resistive switching behaviour. A method of fabricating a memristor device is also disclosed.

Sensor and method for discriminating between wavelength regions using the sensor

A sensor for discriminating between wavelength regions in an electromagnetic spectrum is disclosed. The sensor comprising a substrate, a sensing element supported on a surface of the substrate, and at least one pair of terminal electrodes disposed on the substrate surface in mutually spaced apart and opposing relation, and in electrical contact with the sensing element, wherein the sensing element is responsive to electromagnetic radiation to yield a change in photocurrent measured between the terminal electrodes as a function of an intensity of the electromagnetic radiation impinging thereon, wherein a positive dependency on the intensity corresponds to a first wavelength region and a negative dependency on the intensity corresponds to a second wavelength region.

Device, method and manufacturing method for electronic strain sensor

The present disclosure generally relates to an electronic strain sensor, a system incorporating the sensor, and a method of manufacturing the sensor. The present disclosure also relates to methods of measuring one or more physiological parameters of a living subject, or methods of diagnosing a sleep-related disorder of a living subject, the methods comprising sensing a signal produced by the living subject with the electronic strain sensor or system. The strain sensor comprises: an electrode layer printed on a substrate, a sensing layer printed on a portion of the electrode layer, and an encapsulation layer encapsulating the electrode and sensing layers. The electrode layer exhibits a sheet resistance less than that of the sensing layer, and the sensing layer is in direct contact with the electrode layer. The sensor's electrical resistance can be increased through forming microscopic cracks in the sensing layer in response to forces applied to the sensor.

Devices, systems and methods for monitoring physiological characteristics of a patient

The present invention provides a wearable device for monitoring a plurality of physiological characteristics of a patient over an extended period. The device includes a biosensor layer for sensing the physiological characteristics and an adhesive layer for maintaining contact with a skin surface of the patient. The present invention also relates to methods and systems employing said device including powering the device remotely and transmitting data using a wireless network. The present invention further provides methods and systems wherein multiple devices are used for monitoring a plurality of physiological characteristics of patients.

A memristor device and a method of fabrication thereof

A memristor device is disclosed comprising: a first electrode; a second electrode; a cathode metal layer disposed on a surface of the first electrode; and an active region disposed between and in electrical contact with the second electrode and the cathode metal layer, the active region comprising at least one layer of an amorphous metal oxide, wherein when a switching voltage is applied between the first and second electrodes, the active region exhibits a resistive switching behaviour. A method of fabricating a memristor device is also disclosed.

Conductometric sensor for detecting a bioanalyte and a method for the detection thereof

Sensor for detecting a bioanalyte and a method for the detection thereof

The present invention provides a sensor for detecting a bioanalyte, comprising: a substrate; a pair of terminal electrodes disposed on the substrate in mutually spaced apart and opposing relation; and a non-insulating sensing element applied to a surface of the substrate, between and in electrical contact with the pair of terminal electrodes wherein the sensing element provides a conduction path between the terminal electrodes, wherein the sensing element comprises an oxygen-deficient metal oxide layer and a bioanalyte binding site, and wherein when a voltage is applied across the sensor, an electrical signal is generated that is proportional to a change in conductance of the sensing element corresponding to binding of a bioanalyte to the bioanalyte binding site.

Conductometric sensor for detecting a nucleic acid and a method for the detection thereof

Vanadium oxide films and methods of fabricating the same

Method for fabricating a crystalline vanadium oxide (V02) film comprising the steps of: a) depositing an amorphous V02 film on a substrate by pulsed DC magnetron sputtering using a vanadium target, wherein the substrate is exposed to a sputtering gas comprising an inert process gas and oxygen (02), and the substrate has a temperature of less than about 50°C; and b) annealing the deposited amorphous V02 film to crystallise the amorphous V02 film into a crystalline V02 film that exhibits an insulator-metal transition. The disclosed method for fabricating a crystalline V02 film may be suitable for a broad range of substrates. 1/8 105 1610 104 108 10 o op 109 122 102 101 110--, 100 FIGURE 1 212 213 -/204 200 FIGURE 2a FIGURE 2b

Sensor and method for discriminating between wavelength regions using the sensor

A sensor for discriminating between wavelength regions in an electromagnetic spectrum is disclosed. The sensor comprising a substrate, a sensing element supported on a surface of the substrate, and at least one pair of terminal electrodes disposed on the substrate surface in mutually spaced apart and opposing relation, and in electrical contact with the sensing element, wherein the sensing element is responsive to electromagnetic radiation to yield a change in photocurrent measured between the terminal electrodes as a function of an intensity of the electromagnetic radiation impinging thereon, wherein a positive dependency on the intensity corresponds to a first wavelength region and a negative dependency on the intensity corresponds to a second wavelength region.

Cardiovascular monitoring device, and related methods and systems

A cardiac sensor system comprises a cardiac device able to sample electrical signals produced by beating of the heart of a patient and to transmit a signal representative thereof to a receiving device capable of analysing the signals to identify features of interest and/or displaying a graphical representation of the heart beat based on the signals.

Conductometric sensor for detecting a nucleic acid and a method for the detection thereof

The invention provides a sensor for detecting a nucleic acid, comprising: a substrate; a pair of terminal electrodes disposed on the substrate in mutually spaced apart and opposing relation; and a sensing element, between and in electrical contact with the pair of terminal electrodes, wherein the sensing element comprises: (i) a semiconducting portion of the substrate, wherein a conduction path between the terminal electrodes passes through the semiconducting portion; and (ii) an oligonucleotide on a surface of the semiconducting portion, the oligonucleotide being complementary to the nucleic acid to be detected, wherein hybridisation of the nucleic acid with the oligonucleotide leads to a change in resistance of the sensor.

Conductometric sensor for detecting a bioanalyte and a method for the detection thereof

The invention provides a sensor for detecting a bioanalyte, comprising: a substrate; a pair of terminal electrodes disposed on the substrate in mutually spaced apart and opposing relation; and a sensing element, between and in electrical contact with the pair of terminal electrodes, wherein the sensing element comprises: (i) a semiconducting portion of the substrate, wherein the semiconducting portion comprises a high-resistivity non-oxide semiconductor and wherein a conduction path between the terminal electrodes passes through the semiconducting portion; and (ii) a bioanalyte binding site on a surface of the semiconducting portion, wherein binding of a bioanalyte to the bioanalyte binding site causes a change in electrical resistance of the sensor.

Device, method and manufacturing method for electronic strain sensor

The present disclosure generally relates to an electronic strain sensor, a system incorporating the sensor, and a method of manufacturing the sensor. The present disclosure also relates to methods of measuring one or more physiological parameters of a living subject, or methods of diagnosing a sleep-related disorder of a living subject, the methods comprising sensing a signal produced by the living subject with the electronic strain sensor or system. The strain sensor comprises: an electrode layer printed on a substrate, a sensing layer printed on a portion of the electrode layer, and an encapsulation layer encapsulating the electrode and sensing layers. The electrode layer exhibits a sheet resistance less than that of the sensing layer, and the sensing layer is in direct contact with the electrode layer. The sensor's electrical resistance can be increased through forming microscopic cracks in the sensing layer in response to forces applied to the sensor.

Device, system and manufacturing method for electronic strain sensor

The present disclosure generally relates to an electronic strain sensor, a system incorporating the sensor, and a method of manufacturing the sensor. The present disclosure also relates to methods of measuring one or more physiological parameters of a living subject, or methods of diagnosing a sleep-related disorder of a living subject, the methods comprising sensing a signal produced by the living subject with the electronic strain sensor or system. The strain sensor comprises: an electrode layer printed on a substrate, a sensing layer printed on a portion of the electrode layer, and an encapsulation layer encapsulating the electrode and sensing layers. The electrode layer exhibits a sheet resistance less than that of the sensing layer, and the sensing layer is in direct contact with the electrode layer. The sensor's electrical resistance can be increased through forming microscopic cracks in the sensing layer in response to forces applied to the sensor.

Sensor for detecting a bioanalyte and a method for the detection thereof

The present invention provides a sensor for detecting a bioanalyte, comprising: ? a substrate; ? a pair of terminal electrodes disposed on the substrate in mutually spaced apart and opposing relation; and ? a non-insulating sensing element applied to a surface of the substrate, between and in electrical contact with the pair of terminal electrodes wherein the sensing element provides a conduction path between the terminal electrodes, wherein the sensing element comprises an oxygen-deficient metal oxide layer and a bioanalyte binding site, and wherein when a voltage is applied across the sensor, an electrical signal is generated that is proportional to a change in conductance of the sensing element corresponding to binding of a bioanalyte to the bioanalyte binding site.

Conductometric sensor for detecting a nucleic acid and a method for the detection thereof

The invention provides a sensor for detecting a nucleic acid, comprising: a substrate; a pair of terminal electrodes disposed on the substrate in mutually spaced apart and opposing relation; and a sensing element, between and in electrical contact with the pair of terminal electrodes, wherein the sensing element comprises: (i) a semiconducting portion of the substrate, wherein a conduction path between the terminal electrodes passes through the semiconducting portion; and (ii) an oligonucleotide on a surface of the semiconducting portion, the oligonucleotide being complementary to the nucleic acid to be detected, wherein hybridisation of the nucleic acid with the oligonucleotide leads to a change in resistance of the sensor.

Devices, systems and methods for monitoring physiological characteristics of a patient

Sensor and method for discriminating between wavelength regions using the sensor

Systems and methods for data storage and processing

Device, method and manufacturing method for electronic strain sensor

The present disclosure generally relates to an electronic strain sensor, a system incorporating the sensor, and a method of manufacturing the sensor. The present disclosure also relates to methods of measuring one or more physiological parameters of a living subject, or methods of diagnosing a sleep-related disorder of a living subject, the methods comprising sensing a signal produced by the living subject with the electronic strain sensor or system. The strain sensor comprises: an electrode layer printed on a substrate, a sensing layer printed on a portion of the electrode layer, and an encapsulation layer encapsulating the electrode and sensing layers. The electrode layer exhibits a sheet resistance less than that of the sensing layer, and the sensing layer is in direct contact with the electrode layer. The sensor's electrical resistance can be increased through forming microscopic cracks in the sensing layer in response to forces applied to the sensor.

Endoluminal drug delivery device

Sensors, systems and methods for detecting respiratory pathogens

Systems and methods for data storage and processing

Described embodiments generally relate to an imaging device for capturing image data. The imaging device comprises an optical sensor responsive to electromagnetic radiation, wherein the sensor exhibits a photo-memory effect causing the sensor to act as a short-term memory device; an exposure control device configured to adopt a first mode and a second mode, wherein in the first mode the exposure control device causes electromagnetic radiation to reach the sensor and in the second mode the exposure control device restricts electromagnetic radiation from reaching the sensor; a processor configured to receive sensor data from the sensor, and to cause the exposure control device to selectively adopt the first mode and the second mode; and a long term memory device accessible to the processor, wherein the processor is configured to read executable instructions from the long term memory and to write sensor data to the long term memory. Data stored in the sensor acting as a short-term memory device is erasable by exposing the photo-sensor to electromagnetic radiation.

Systems and methods for data storage and processing

An imaging device described herein for capturing image data comprises an optical sensor responsive to electromagnetic radiation, wherein the sensor exhibits a photo-memory effect causing the sensor to act as a short-term memory device; an exposure control device configured to adopt a first mode, wherein electromagnetic radiation reaches the sensor and a second mode, wherein electromagnetic radiation is restricted from reaching the sensor; a processor configured to receive sensor data from the sensor, and to cause the exposure control device to selectively adopt the first mode and the second mode; and a long term memory device accessible to the processor, wherein the processor is configured to read executable instructions from the long term memory and to write sensor data to the long term memory. Data stored in the sensor acting as a short-term memory device is erasable by exposing the photo-sensor to electromagnetic radiation.

Device, method and system for detecting nicotine

This application discloses a device for detecting nicotine. The device includes a nicotine sensor comprising vanadium oxide (VO2), a processor and circuitry configured to detect a change in the electrical resistance of the nicotine sensor. The processor is configured to receive, from the circuitry, a signal representative of the detected change in the electrical resistance of the nicotine sensor and output data based on the detected change in electrical resistance of the nicotine sensor. A system and method for detecting nicotine are also disclosed.

Device, method and system for detecting nicotine

This application discloses a device for detecting nicotine. The device includes a nicotine sensor comprising vanadium oxide (V02 ), a processor and circuitry configured to detect a change in the electrical resistance of the nicotine sensor. The processor is configured to receive, from the circuitry, a signal representative of the detected change in the electrical resistance of the nicotine sensor and output data based on the detected change in electrical resistance of the nicotine sensor. A system and method for detecting nicotine are also disclosed. Fig. 1 Nicotine Detecting Device 100 Nicotine Sensor comprising V0 2 110 Circuitry 120 Processor 130 output Fig. 2A Fig. 2B 0.2 5% 0.21% 0 8- 0.68% 0.20% 0.08% e 10 5 4- -13.27% 0 50 100 150 200 Co H2 CH4 H25 NO2 Nicotine Nicotine concentration (pM) Gases and nicotine

Sensor for detecting a bioanalyte and a method for the detection thereof

Conductometric sensor for detecting a bioanalyte and a method for the detection thereof

The invention provides a sensor for detecting a bioanalyte, comprising: a substrate; a pair of terminal electrodes disposed on the substrate in mutually spaced apart and opposing relation; and a sensing element, between and in electrical contact with the pair of terminal electrodes, wherein the sensing element comprises: (i) a semiconducting portion of the substrate, wherein the semiconducting portion comprises a high-resistivity non-oxide semiconductor and wherein a conduction path between the terminal electrodes passes through the semiconducting portion; and (ii) a bioanalyte binding site on a surface of the semiconducting portion, wherein binding of a bioanalyte to the bioanalyte binding site causes a change in electrical resistance of the sensor.

Sensors, systems and methods for detecting respiratory pathogens

Embodiments relate generally to sensing pathogens such as respiratory pathogens. Example embodiments relate to a sensor device for detecting a respiratory pathogen. The sensor device includes: a flexible carrier substrate having a first side and an opposite second side; at least one sensor portion on the carrier substrate. The at least one sensor portion includes: a carrier matrix carrying a first custom imprinted molecular polymer (CIMP) exposed or exposable to air and disposed on the first side of the carrier substrate, wherein the first CIMP is designed to interact with a first pathogen by geometric and chemical binding; a first pair of electrodes disposed in or adjacent the carrier matrix so that electrical potential between the electrodes of the first pair is affected by binding of the first CIMP with the first pathogen.

Conductometric sensor for detecting a bioanalyte and a method for the detection thereof

The invention provides a sensor for detecting a bioanalyte, comprising: a substrate; a pair of terminal electrodes disposed on the substrate in mutually spaced apart and opposing relation; and a sensing element, between and in electrical contact with the pair of terminal electrodes, wherein the sensing element comprises: (i) a semiconducting portion of the substrate, wherein the semiconducting portion comprises a high-resistivity non-oxide semiconductor and wherein a conduction path between the terminal electrodes passes through the semiconducting portion; and (ii) a bioanalyte binding site on a surface of the semiconducting portion, wherein binding of a bioanalyte to the bioanalyte binding site causes a change in electrical resistance of the sensor.

Sensors

This disclosure relates to a sensor. The sensor comprises a pressure sensing component configured such that an impedance of the pressure sensing component increases in response to a pressure exerted on the pressure sensing component; and a memristor configured to transition from a high resistance state to a low resistance state in response to a memristor parameter reaching a first memristor threshold, and to remain in the low resistance state until the memristor parameter reaches a second memristor threshold; wherein the pressure sensing component is arranged relative to the memristor such that a change in the impedance of the pressure sensing component changes the memristor parameter.

Conductometric sensor for detecting a nucleic acid and a method for the detection thereof

The invention provides a sensor for detecting a nucleic acid, comprising: a substrate; a pair of terminal electrodes disposed on the substrate in mutually spaced apart and opposing relation; and a sensing element, between and in electrical contact with the pair of terminal electrodes, wherein the sensing element comprises: (i) a semiconducting portion of the substrate, wherein a conduction path between the terminal electrodes passes through the semiconducting portion; and (ii) an oligonucleotide on a surface of the semiconducting portion, the oligonucleotide being complementary to the nucleic acid to be detected, wherein hybridisation of the nucleic acid with the oligonucleotide leads to a change in resistance of the sensor.

Systems and methods for data storage and processing

Flexible or stretchable sensor for use in detecting a substance and/or electromagnetic radiation, and a method for detecting thereof

In general, this disclosure is directed to a flexible or stretchable sensor and a method of detecting a substance and/or electromagnetic radiation using said sensor. The sensor comprises a flexible or stretchable substrate, a pair of terminal electrodes disposed on the flexible or stretchable substrate in mutually spaced apart and opposing relation, and a sensing element applied to the flexible or stretchable substrate, between and in electrical contact with the pair of terminal electrodes, wherein the sensing element is responsive to a substance and/or electromagnetic radiation impinging thereon, and wherein when a voltage is applied across the sensor, an electrical signal is generated that is proportional to a resistance value corresponding to a sensing of the substance and/or electromagnetic radiation impinging on the sensing element.