The first coupling of atmospheric pressure ionization methods, electrospray ionization (ESI)
and desorption electrospray ionization (DESI), to a miniature hand-held mass spectrometer …

The atmospheric solids probe analysis (ASAP) probe was investigated as a means for
conducting desorption electrospray ionization (DESI) using a commercially available ion …

A recently developed prototype mobile laboratory mass spectrometer, incorporating an
atmospheric pressure ionization (API) interface, is described. This system takes advantage …

A new atmospheric pressure ionization (API) source, viz. UniSpray, was evaluated for mass
spectrometry (MS) analysis of pharmaceutical compounds by head-to-head comparison with …

A nanoelectrospray ionization mass spectrometry (ESI-MS) source and interface has been
designed that enables efficient ion production and transmission in a 30 Torr pressure …

A miniature cylindrical ion trap mass spectrometer featuring an atmospheric pressure
interface allowing atmospheric pressure chemical ionization and electrospray ionization is …

High pressure electrospray ionization mass spectrometry has been performed by
pressurizing a custom made ion source chamber with compressed air to a pressure higher …

Matrix assisted ionization vacuum (MAIV) is a new ionization method that does not require
high voltages, a laser beam, or applied heat and depends only the proper matrix, 3 …

Ambient surfaces are examined by mass spectrometry at distances of up to 3 m from the
instrument without any prior sample preparation. Non-proximate versions of the desorption …

A rectilinear ion trap (RIT) mass analyzer was incorporated into a mass spectrometer fitted
with an electrospray ionization source and an atmospheric pressure interface. The RIT mass …