Thermo Finnigan LLC

Leland Stanford Junior University

Cornelia Leonie Boeser

Richard Neil Zare

Maria T Dulay

Steven L Reeber

Katherine Leigh Walker

A sample support for polymer-spray mass spectrometry includes a support substrate comprising a polymer. The support substrate is configured to support a sample on a surface of the support substrate. The sample support also includes a reservoir formed on the surface of the support substrate. The reservoir is configured to hold a spray solvent.

Sample supports for solid-substrate electrospray mass spectrometry

A method of removing sample residue from a surface of a mass spectrometer inlet, with the surface being adjacent to an ion passageway, is provided. A pendent droplet of a cleaning solvent is formed at a tip of a capillary, with the tip being spaced apart from the surface. The pendent droplet detaches from the tip and contacts the surface. The surface is heated to a temperature T at least 50&#xb0; C. above the boiling point of the least volatile component of the cleaning solvent.

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San Jose, CA, United States of America

Cornelia Leonie Boeser