Abstract: A bandpass mass filter comprising: a multipole ion guide; a first RF voltage supply configured to apply a first RF voltage to electrodes of the multipole ion guide for generating an electric field for radially confining ions within the multipole ion guide; and a second RF voltage supply configured to apply a second, different RF voltage to electrodes of the bandpass mass filter, wherein a first phase of the second RF voltage is applied to a first pair of opposing electrodes and a second, different phase of the second RF voltage is applied to a second pair of opposing electrodes; wherein the frequency of the second RF voltage is at least 20 times lower than the frequency of the first RF voltage; and wherein the bandpass mass filter is configured to be maintained at a pressure of ?10?4 mbar.

Abstract: The present disclosure relates to oral compositions of Compound I or a derivative thereof. Methods of use for treating an inflammatory condition are also disclosed.

Abstract: A method for manufacturing a multipole assembly of a mass spectrometer, the method comprising: machining a body to form an opening extending along a predetermined axis through the body, wherein the opening has a profile that defines a pair of opposed seats, each seat being configured to guide a rod of the multipole assembly, cutting the body into a plurality of pieces to form a plurality of identical rod supports, seating a first pair of rods in the seats of a first pair of the rod supports, and seating a second pair of rods in the seats of a second pair of the rod supports, wherein the second pair of rod supports are rotated relative to the first pair of rod supports.

Abstract: A wearable device is provided for recognition and response to an overdose, such as an opioid overdose. The device includes an oximetry sensor for measuring peripheral oxygen saturation (SpO2) of a wearer of the wearable device and a motion sensor for determining whether the wearer of the wearable device is moving or motionless. The wearable device further includes an injector including a supply of an antidote and a needle for intramuscular delivery of the antidote to the wearer of the wearable device. The wearable device may also include a housing in which the oximetry sensor, the motion sensor, and the supply of the antidote is contained and in which the needle is initially contained in a retracted condition. The wearable device may further include a strap extending from the housing and sized to secure the housing on an upper arm of the wearer adjacent the shoulder of the wearer.

Abstract: A method of mass spectrometry is disclosed comprising: a step 10 of analysing a reference compound in a first mass spectrometer and outputting mass spectral data in response thereto; a step 20 of analysing the reference compound in a second, different mass spectrometer and outputting mass spectral data in response thereto; and a step 30 of automatically adjusting an operational parameter, duty cycle (e.g. duty cycle of data acquisition), or acquired spectral data of at least one mass spectrometer such that, for a given consumption of reference compound by the spectrometer, the statistical precision of quantification and/or mass measurement by the mass spectrometer is substantially the same as that of another mass spectrometer (for the same given consumption of the analyte).

Abstract: The present disclosure relates to oral compositions of Compound I or a derivative thereof. Methods of use for treating an inflammatory condition are also disclosed.

Abstract: A method of mass spectrometry is disclosed comprising: a step (10) of analysing a reference compound in a first mass spectrometer and outputting mass spectral data in response thereto; a step (20) of analysing the reference compound in a second, different mass spectrometer and outputting mass spectral data in response thereto; and a step (30) of automatically adjusting an operational parameter, duty cycle (e.g. duty cycle of data acquisition), or acquired spectral data of at least one mass spectrometer such that, for the same (given) consumption of reference compound by the spectrometer, the statistical precision of quantification (the number of detected ions) and/or of mass measurement (the mass resolution) by the mass spectrometer is substantially the same as that of the other mass spectrometer. A similar method of ion mobility spectrometry is disclosed.

Abstract: A nebuliser outlet comprises an inlet end and an outlet end, a first channel and one or more second channels arranged between the inlet end and the outlet end. The first channel is configured to receive a capillary, and the one or more second channels are configured to pass gas to the outlet end. The nebuliser outlet is a single integrated component.

Abstract: A nebuliser outlet comprises an inlet end and an outlet end, a first channel and one or more second channels arranged between the inlet end and the outlet end. The first channel is configured to receive a capillary, and the one or more second channels are configured to pass gas to the outlet end. The nebuliser outlet is a single integrated component.

Abstract: An ion detector for a mass and/or ion mobility spectrometer is disclosed. The ion detector comprises a dynode arranged and configured such that primary ions to be detected by the ion detector impact upon the dynode and generate first electrons and secondary positive ions, an electron detector arranged and configured to attract and detect said first electrons, and an apertured electrode. The apertured electrode comprises a plurality of apertures and is arranged and configured such that at least some of said secondary positive ions pass through the apertures of the electrode.

Abstract: There is provided a mass and/or mobility spectrometer (200) comprising: a vacuum housing (210) having a first vacuum chamber (212) therein; and a first vacuum pump connected to said first vacuum chamber (212) by a conduit (216); wherein at least a part of the conduit (216) extends along the vacuum housing (210) within a wall of the vacuum housing (210).

Abstract: A dual-mode ion detector for a mass and/or ion mobility spectrometer comprising a first conversion electrode (20) that is maintained, in use, at a negative potential and arranged for converting incident positive ions (32) into secondary electrons (34), and a second conversion electrode (22) that is maintained, in use, at a positive potential and arranged for converting incident negative ions (42) into secondary positive ions (44) and/or secondary electrons (74). The detector also comprises an electron detecting surface (26) and an entrance electrode (24) for drawing ions into the ion detector. The ion detector is switchable between a first mode for detecting positive ions and a second mode for detecting negative ions.

Abstract: A nebuliser comprises an outlet aperture and a liquid capillary. A method of operating the nebuliser comprises supplying a gas to the outlet aperture, measuring a flow rate of the gas supplied to the outlet aperture, and determining a position of the liquid capillary relative to the outlet aperture based on the measured flow rate.

Abstract: The present disclosure relates to oral compositions of Compound I or a derivative thereof. Methods of use for treating an inflammatory condition are also disclosed.

Abstract: A method of mass analysing a single analytical sample is disclosed comprising: i) transmitting different species of ions through a mass spectrometer; ii) sequentially mass analysing, or otherwise detecting, said different species of ions in a particular sequential order; and then iii) repeating steps i) and ii), wherein the sequential order in which said different species of ions are mass analysed, or otherwise detected, is different when step ii) is repeated. The sensitivity with which the mass spectrometer is able to detect ions varies for a period of time, and step ii) and iii) are performed during that period of time.

Abstract: The present disclosure relates methods for treating skin disorders caused by an immune deficiency with topical formulations comprising ethyl (R)-4-((1-(2-cyanoacetyl)piperidin-3-yl)amino)-1H-pyrrolo[2,3-b]pyridine-5-carboxylate (Compound I) or pharmaceutically acceptable derivative thereof. In particular, the topical formulations described herein may be used to treat atopic dermatitis, alopecia areata, or vitiligo.

Abstract: A nebuliser comprises an outlet aperture and a liquid capillary. A method of operating the nebuliser comprises supplying a gas to the outlet aperture, measuring a flow rate of the gas supplied to the outlet aperture, and determining a position of the liquid capillary relative to the outlet aperture based on the measured flow rate.

Abstract: A nebuliser outlet comprises an inlet end and an outlet end, a first channel and one or more second channels arranged between the inlet end and the outlet end. The first channel is configured to receive a capillary, and the one or more second channels are configured to pass gas to the outlet end. The nebuliser outlet is a single integrated component.

Abstract: The present disclosure relates to oral compositions of Compound I or a derivative thereof. Methods of use for treating an inflammatory condition are also disclosed.

Abstract: A nebuliser outlet comprises an inlet end and an outlet end, a first channel and one or more second channels arranged between the inlet end and the outlet end. The first channel is configured to receive a capillary, and the one or more second channels are configured to pass gas to the outlet end. The nebuliser outlet is a single integrated component.