Abstract: The invention relates generally to systems, methods and devices for analyzing samples and, more particularly, to systems using tandem differential mobility spectrometers in combination with a mass analyzer to enhance the analysis process of constituents of a sample.

Abstract: The invention relates generally to ion mobility based systems, methods and devices for analyzing samples and, more particularly, to sample detection using multiple detection and analytical techniques in combination.

Abstract: A compact integrated ion mobility based analysis system includes at least one gas chromatograph (GC) column that receives a sample and elutes constituents of the sample where each of the eluted constituents are temporally separated from each other The system also includes at least one ion mobility based sample analyzer that analyzes the eluted constituents based on their ion mobility characteristics. The system further includes a controller that selectively adjusts the temperature within at least one GC column over a period of time and selectively adjusts the temperature within at least one ion mobility based sample analyzer over a period of time.

Abstract: The invention relates generally to ion mobility based systems, methods and devices for analyzing samples and, more particularly, in some embodiments to compact GC-DMS systems, methods, and devices employing enhanced GC column temperature control and configurations to identify various sample constituents.

Abstract: The invention provides, in various embodiments, systems and methods relating to controlling ion behavior in an ion-based analysis system.

Abstract: An ultra compact ion mobility based analyzer in a multilayered chip assembly employing various features such as a ion flow generator to propel ions through an ion mobility based filter and, thereby, reduce analyzer size, cost, and power requirements.

Abstract: Disclosed herein are systems, methods and apparatus, for detection and identification of chemical warfare agents (CWAs) using a differential mobility spectrometer.

Abstract: The invention relates generally to ion mobility based systems, methods and devices for analyzing samples and, more particularly, in some embodiments to compact GC-DMS systems and methods, and techniques for correcting nonlinear characteristics in an ion mobility based analyzer.

Abstract: The invention, in various embodiments, is directed to an analyzer using a solid-state flow generator to provide effluent flow along a flow path and deliver a sample to an ion mobility based filter and detector for analysis.

Abstract: A system for analyzing one or more ion species of a sample including a first ion mobility filter associated with a first flow path for passing first ions of the sample, a second ion mobility filter associated with a second flow path for passing second ions of the sample, a first outlet from the first flow path for passing a portion of the first ions from the first flow path to the second flow path, and a first outlet from the second flow path for removing neutral particles from the second flow path where the first outlet from the second flow path is upstream of the second ion mobility filter in relation to the ion flow in the second flow path.

Abstract: The invention provides, in various embodiments, systems and methods relating to enhancing the filtering and detection capability of ion mobility based systems by various techniques to counteract a charge buildup in the ion mobility based system.

Abstract: The invention relates generally to ion mobility based systems, methods and devices for analyzing samples and, more particularly, to sample detection using enhanced condition control and data interpretation.

Abstract: The invention provides, in various embodiments, systems and methods relating to controlling ion behavior in an ion-based analysis system.

Abstract: Disclosed herein are systems, methods and apparatus, for detection and identification of analytes in a volatilized or volatilizable sample, using the mobility-based signature that is produced when the volatilized sample is passed through an ion mobility based analyzer.

Abstract: The invention provides, in various embodiments, systems and methods relating to controlling ion behavior in an ion-based analysis system.

Abstract: An RF-driven plasma source, including a pair of spaced-apart plasma electrodes, wherein the electrodes act as plates of a capacitor, the gas electrically discharges and creates a plasma of both positive and negative ions, in a clean process that enables efficient sample analysis, with preferred isolated sample photo-ionization, reduced-power operation and also including signal detection with modulated drive electronics.

Abstract: In a system for chemical analysis, an RF-driven plasma ionization device including a pair of spaced-apart and plasma-isolated electrodes, the electrodes are connected to a power source wherein the electrodes act as plates of a capacitor of a resonant circuit, the gas electrically discharges and creates a plasma of both positive and negative ions, and the voltage is applied as a continuous alternating waveform or as a series of pulses, such as a packet waveform.

Abstract: The invention relates generally to ion mobility based systems, methods and devices for analyzing samples and, more particularly, in some embodiments to compact GC-DMS systems, methods, and devices employing enhanced GC column temperature control and configurations to identify various sample constituents.

Abstract: System for control of ion species behavior in a time-varying filter field of an ion mobility-based spectrometer to improve species identification, based on control of electrical and environmental aspects of sample analysis.

Abstract: The invention relates generally to ion mobility-based systems, methods and devices for analyzing samples.