Abstract: A device for detection of a cannabinoid in a sample includes a sensor including a substrate and a sensor medium on the substrate. The sensor medium includes at least one nanostructure, wherein at least one property of the sensor medium is dependent upon the presence of the cannabinoid on a surface of the sensor medium. The device further includes electronic circuitry including at least one measurement system in operative connection with the sensor to measure a variable relatable to the at least one property of the sensor medium dependent upon the presence of the cannabinoid.

Abstract: A device for detection of tetrahydrocannabinol or THC in a sample includes a sensor including a substrate and a sensor medium on the substrate. The sensor medium includes at least one nanostructure, wherein at least one property of the sensor medium is dependent upon the presence of THC on a surface of the sensor medium. The device further includes electronic circuitry including at least one measurement system in operative connection with the sensor to measure a variable relatable to the at least one property of the sensor medium dependent upon the presence of THC.

Abstract: A method of forming a pattern in a substrate material includes positioning a layer of a covalent organic framework polymer including nanoscale holes or pores therein over the substrate material as a template having nanoscale holes or pores therein to form a templated assembly and applying an etching process to the templated assembly.

Abstract: A sensor system for detecting at least one analyte in an environment includes a dehumidifier system including at least one of a condenser unit and a desiccant unit and a sensor responsive to the analyte in fluid connection with the dehumidifier system.

Abstract: A method of detecting an analyte in a fluid sample includes exposing a sensor including a substrate and a sensor medium on the substrate to the fluid sample for a period of time. The sensor medium includes a plurality of nanostructures and one or more of at least one agent selected from the group consisting of an antibody, an antigen receptor or an antigen immobilized upon at least a portion of the plurality of nanostructures. The at least one agent is an antibody or an antigen receptor if the analyte is an antigen and is an antigen if the analyte is an antibody. An electrolyte liquid having a known ionic strength which is less than the fluid sample is added over the sensor medium subsequent to exposing the sensor to the fluid and a variable providing a measure of change in at least one property of the sensor medium which is dependent upon the presence of the analyte is measured in presence of the electrolyte liquid.

Abstract: A method of forming a pattern in a substrate material includes positioning a layer of a covalent organic framework polymer including nanoscale holes or pores therein over the substrate material as a template having nanoscale holes or pores therein to form a templated assembly and applying an etching process to the templated assembly.

Abstract: A sensor includes a substrate, a first electrode, a second electrode spaced from the first electrode, and a sensing medium on the substrate between the first electrode and the second electrode. The sensor medium includes a functionalized graphitic material and an uncondensed graphitic carbon nitride disposed upon the functionalized graphitic material. The sensor further includes a system for applying electromagnetic energy to the sensing medium to increase the conductance of the sensing medium, and circuitry including at least one measurement system in operative connection with the sensor to measure a variable relatable to the conductance of the sensing medium which is dependent upon the presence of an analyte to be detected.

Abstract: A device for detection of tetrahydrocannabinol or THC in a sample includes a sensor including a substrate and a sensor medium on the substrate. The sensor medium includes at least one nanostructure, wherein at least one property of the sensor medium is dependent upon the presence of THC on a surface of the sensor medium. The device further includes electronic circuitry including at least one measurement system in operative connection with the sensor to measure a variable relatable to the at least one property of the sensor medium dependent upon the presence of THC.

Abstract: A system for measuring pH includes a substrate and a sensor medium on the substrate. The sensor medium includes at least one oxidized carbon nanostructure and optionally at least one composition immobilized on the at least one oxidized carbon nanostructure. The at least one composition has at least one property that depends on pH. The system further includes at least one measurement system to measure a property of the sensor medium.

Abstract: A method of detecting at least one of analyte in an environment (such as in breath) includes providing a structure including nanostructures in contact with titanium dioxide, applying electromagnetic radiation to the structure for a period of time, measuring at least one response and using the measured response to determine the presence of the analyte in the environment.

Abstract: A sensor includes a substrate, a first electrode, a second electrode spaced from the first electrode, and a sensing medium on the substrate between the first electrode and the second electrode. The sensor medium includes a functionalized graphitic material and an uncondensed graphitic carbon nitride disposed upon the functionalized graphitic material. The sensor further includes a system for applying electromagnetic energy to the sensing medium to increase the conductance of the sensing medium, and circuitry including at least one measurement system in operative connection with the sensor to measure a variable relatable to the conductance of the sensing medium which is dependent upon the presence of an analyte to be detected.

Abstract: A device including a composition formed by oxidation of graphene oxide to form holey graphene oxide having defects therein and reduction of the holey graphene oxide. A composition includes graphene oxide sheets including holes therein formed by oxidation to form a network of interconnected graphene oxide nanoribbons.

Abstract: Embodiments of nanoelectronic sensors are described, including sensors for detecting analytes such ammonia. An environmental control system employing nanoelectronic sensors is described. A personnel safety system configured as a disposable badge employing nanoelectronic sensors is described. A method of dynamic sampling and exposure of a sensor providing a number of operational advantages is described.

Abstract: A system for obtaining a pH measurement comprises a disposable probe and a reusable reader. The disposable probe includes an indicating electrode and a reference electrode. The reader operably engages the disposable probe and provides pH information of a sample. The system is configured to be self-calibrating. The system is constructed and arranged to provide pH information based on the potentiometric measurement of the sample solution based on signals received from the at least one indicating electrode and the at least one reference electrode.

Abstract: A device including a composition formed by oxidation of graphene oxide to form holey graphene oxide having defects therein and reduction of the holey graphene oxide. A composition includes graphene oxide sheets including holes therein formed by oxidation to form a network of interconnected graphene oxide nanoribbons.

Abstract: A method of detecting at least one of analyte in an environment (such as in breath) includes providing a structure including nanostructures in contact with titanium dioxide, applying electromagnetic radiation to the structure for a period of time, measuring at least one response and using the measured response to determine the presence of the analyte in the environment.

Abstract: A method of forming a composition includes oxidation of graphene oxide to form holey graphene oxide having defects therein and reduction of the holey graphene oxide.

Abstract: A system for measuring pH includes a substrate and a sensor medium on the substrate. The sensor medium includes at least one oxidized carbon nanostructure and optionally at least one composition immobilized on the at least one oxidized carbon nanostructure. The at least one composition has at least one property that depends on pH. The system further includes at least one measurement system to measure a property of the sensor medium.

Abstract: A method of degrading carbon nanomaterials includes mixing the carbon nanomaterials with a composition comprising a peroxide substrate and at least one catalyst selected from the group of an enzyme and an enzyme analog. The peroxide substrate undergoes a reaction in the presence of the catalyst to produce an agent interactive with the nanotubes to degrade the carbon nanomaterials. The peroxide substrate can, for example, be hydrogen peroxide or an organic peroxide.

Abstract: The present invention relates to a non covalent molecular structure comprising a carbon nanostructure and a porphyrin based glycoconjugate (I) which is linked to the said carbon nanostructure by a non covalent link, the said glycoconjugate (I) having the formula (I): wherein M is a metal selected in the group comprising Fe, Ni, Zn, Cu, Mn, Cr or Co, B is a group which is present on at least one of the four phenyl group (C6H5) represented in (I), n is an integer from 1 to 3, that is to say that one to three B group(s) may be present on each phenyl group, and B is represented by a -A-C group wherein A is selected in the group comprising an oxygen atom, a sulfur atom, a NH group or a (CH2)n1 group, n1 being an integer from 1 to 10, C is a group of formula (II). The present invention also relates to an electronic device comprising the said non covalent molecular structure, and to the use of this device for the detection of a lectin involved in bacterial or viral infections.