New Mass Spec Technique

Method eliminates need for sample preparation

By Celia Henry Arnaud

Department: Science & Technology
News Channels: Analytical SCENE

Cutting The Wafer

Credit: Videos Courtesy of Scripps Center for Mass Spectrometry

Washing And Drying

Credit: Videos Courtesy of Scripps Center for Mass Spectrometry

Assembling The Teflon Cell

Credit: Videos Courtesy of Scripps Center for Mass Spectrometry

After Etching

Credit: Videos Courtesy of Scripps Center for Mass Spectrometry

After Etching (cont'd)

Credit: Videos Courtesy of Scripps Center for Mass Spectrometry

Adding The Initiator Compound

Credit: Videos Courtesy of Scripps Center for Mass Spectrometry

Removing The Excess Derivatizing Agent

Credit: Videos Courtesy of Scripps Center for Mass Spectrometry

Zap

In NIMS, irradiation with a laser or ion beam vaporizes initiator molecules trapped in surface pores, thereby triggering desorption/ionization of sample molecules on top.

Zap

In NIMS, irradiation with a laser or ion beam vaporizes initiator molecules trapped in surface pores, thereby triggering desorption/ionization of sample molecules on top.