30 chromatography • spectroscopy
Te new DART IMS is ideal for applications where simplicity, accuracy and speed are required, such as product or food safety, composition analysis and environmental control.
Te new spectrometer is the result of a joint development effort between PHOTONIS USA and IonSense to mutually leverage their core strengths in collaboration with researchers from the Georgia Institute of Technology.
IonSense president and ceo Brian Musselman noted: “We were impressed by work from professor Facundo Fernandez’s group at Georgia Tech demonstrating the use of PHOTONIS Resistive Glass products for IMS construction, inspiring us to jointly create a Resistive Glass DART IMS product with the best of both technologies.”
He added: “Lower gas temperatures and using the DART to produce mainly intact protonated molecules for analysis shows promise as a
means to simplify the IMS spectra.” IonSense is a leader in analytical tools for food and drug safety, and has developed a series of easy-to-use, low-cost DART source products aimed at routine or specific analysis.
PHOTONIS USA is an industry leader in mass spectrometer sensors and holds several patents on its Resistive Glass products, including one for an ion mobility spectrometer that features this technology.
Ion mobility In a separate development, PHOTONIS USA has been awarded a European patent for the manufacture of an ion mobility spectrometer built using Resistive Glass technology.
Patents were previously granted in the US for the instrument as well as for other specific products made with the speciality glass.
Resistive Glass creates an electric field to guide or direct charged particles. It consists of alkali-doped lead silicate
glass that has been reduced to make the surface a semiconductor.
Te patent is the latest of many awarded to PHOTONIS for its innovation and development of improving analytic instrument simplicity and ion flow.
Resistive Glass can be used in the manufacture of capillary inlet tubes, drift tubes, ion guides and other component parts found in most mass spectrometers.
Te increased ion transfer results in a 6-10 fold increase ion transmission into the mass spectrometer.
Tis crucial patent award supports PHOTONIS’ global growth strategy by protecting its technology, allowing expansion into markets and applications requiring rapid non-destructive analysis of solid and liquid samples such as homeland security, pharmaceutical analysis, metabolomics, food analysis, detection of counterfeit contents, and process monitoring.
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