A method of generating spectral data comprising the steps of deriving a temporally
separated sample from a temporal separation device and subjecting the temporally …

An ion mobility spectrometer instrument has a drift tube that is partitioned into a plurality of
cascaded drift tube segments. A number of electric field sources may each be coupled to …

(57) ABSTRACT A multistage compressor system with intercooler can include a sealed
housing with first and second compressor stages, where the first compressor stage is for …

(57) ABSTRACT A positive displacement device includes a first cylinder, a second cylinder
disposed within the first cylinder, and a third cylinder disposed around the first cylinder. An …

A scroll type positive displacement assembly includes a first scroll and a second scroll,
where the second scroll is configured to orbit with respect to a center of the first scroll without …

An ion filter for a mass spectrometer, the apparatus com prising an ion modifier; an ion
selector configured to select a subset of a sample of ions based on their mobility in a gas; …

A method of ion mobility spectrometry is disclosed comprising: transmitting a plurality of ions
to an ion mobility separator 6; modulating the introduction of the ions into the ion mobility …

Valentine, et al., Developing liquid chromatography ion mobility mass spectometry
techniques, Aug. 2005, pp. 13, Expert Review of Proteomics, vol. 2, No. 4, pp. 553-565 …

The invention relates to a mass spectrometer with laser-desorption ion source, particularly
for MALDI. A laser system with optical laser spot control is proposed in which the laser spot …

In a drift tube partitioned into a plurality of cascaded drift tube segments each followed by an
ion elimination region, a method of separating ions as a function of ion mobility includes …