Transdermally emitted gasses are detected by applying a dermal sampling strip to the skin of a biological subject, capturing the gasses in a vapor space in the dermal sampling strip, and analyzing for at least one such gas captured in the vapor space of the dermal sampling strip. Analysis is preferably performed using an electrocatalytic cell, which can be mounted on the dermal sampling strip and form a wall of the vapor space.

Example aspects of a collector for a seizure detection device, a seizure detection device, and a method of detecting a seizure are disclosed. The collector for a seizure detection device can comprise a collector material configured to collect volatile organic compounds given off from a patient's skin; a wrapping configured to isolate the collector material from an external environment; a heater comprising a heating element, the heating element configured to emit a thermal pulse to desorb the volatile organic compounds from the collector material; and a mesh layer configured to prevent the collector material from contacting the patient's skin, wherein the collector material is received between the wrapping and the mesh layer.

A device for determining the concentration of a predefined gas in a medium includes a first sensor for determining the gas concentration in a flow of the medium; a second sensor for determining a physical parameter of the medium in the flow of the medium; and a processing device, which is set up to determine the quality of the determination using the first sensor on the basis of a signal from the second sensor.

A gas collection and analysis system for detecting microbiomes is described. The system includes a waste disposal site, a sorbent cartridge coupled adjacent to the waste disposal site, wherein the sorbent cartridge includes a sorbent media configured to absorb a gas sample from within the waste disposal site, a sorbent heating block configured to heat the sorbent cartridge and release the gas sample absorbed by the sorbent media, and a pumping system coupling the sorbent cartridge to an ionized gas analyzer mass spectrometer, the pumping system configured to direct the flow of the released gas sample from the sorbent media to the gas analyzer mass spectrometer for chemical analysis. Methods for detecting microbiomes of a user are also described herein.

A gas collection and analysis system for detecting microbiomes is described. The system includes a waste disposal site, a sorbent cartridge coupled adjacent to the waste disposal site, wherein the sorbent cartridge includes a sorbent media configured to absorb a gas sample from within the waste disposal site, a sorbent heating block configured to heat the sorbent cartridge and release the gas sample absorbed by the sorbent media, and a pumping system coupling the sorbent cartridge to an ionized gas analyzer mass spectrometer, the pumping system configured to direct the flow of the released gas sample from the sorbent media to the gas analyzer mass spectrometer for chemical analysis. Methods for detecting microbiomes of a user are also described herein.

A server apparatus 10 is communicably connected to a terminal apparatus 20 that collects sensor data from an odor sensor 40. The server apparatus 10 includes an analyzer holding unit 11 that holds a plurality of analyzers for analyzing specific odor analysis targets, based on sensor data, an analyzer management unit 12 that determines preprocessing to be performed on the sensor data, by selecting an analyzer according to the environment of the odor sensor 40, and causes the terminal apparatus 20 to execute the preprocessing, an analysis execution unit 13 that executes analysis processing of the designated odor analysis target, by applying the selected analyzer to the preprocessed sensor data, and an analysis result transmission unit 14 that transmits information indicating a result of the analysis processing to the terminal apparatus 20.

A method of spectrometric analysis comprises obtaining one or more sample spectra for an aerosol, smoke or vapour sample. The one or more sample spectra are subjected to pre-processing and then multivariate and/or library based analysis so as to classify the aerosol, smoke or vapour sample. The results of the analysis are used for various surgical or non-surgical applications.

An apparatus is disclosed comprising a first device for generating aerosol, smoke or vapour from one or more regions of a target, an inlet conduit to an ion analyser or mass spectrometer, the inlet conduit having an inlet through which the aerosol, smoke or vapour passes, and a Venturi pump arrangement arranged and adapted to direct the aerosol, smoke or vapour towards the inlet.

There is provided a kit of parts for assembly into an impactor (100) for aerosol component collection, such as for exhaled breath. The kit of parts is configured such that an impactor component (128) is receivable into the assembly such that, when a sealing component (136) is in a sample collection configuration and an aerosol sample is being received at an aerosol inlet (110) of a housing of the kit, in use, an aerosol flow path (124) of the aerosol sample is directed onto an impaction surface (130) of the impactor component (128) to promote aerosol deposition thereon. The kit of parts is further configured such that the sealing component (136) is changeable in the assembly into a sample containment configuration before removal of the impactor component (128) from the assembly, so as to retain any aerosol components deposited on the impaction surface (130).

An apparatus for performing ambient ionisation mass and/or ion mobility spectrometry is disclosed. The apparatus comprises a substantially cylindrical, tubular, rod-shaped, coil- shaped, helical or spiral-shaped collision assembly; and a first device arranged and adapted to direct analyte, smoke, fumes, liquid, gas, surgical smoke, aerosol or vapour onto said collision assembly.