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  • Title: Atmospheric pressure infrared (10.6 microm) laser desorption electrospray ionization (IR-LDESI) coupled to a LTQ Fourier transform ion cyclotron resonance mass spectrometer.
    Author: Sampson JS, Muddiman DC.
    Journal: Rapid Commun Mass Spectrom; 2009 Jul; 23(13):1989-92. PubMed ID: 19504481.
    Abstract:
    We present the implementation of a CO(2) laser emitting infrared laser irradiation at 10.6 microm onto the versatile atmospheric pressure ionization platform. Infrared laser desorption electrospray ionization (IR-LDESI) is demonstrated from liquid-state samples at atmospheric pressure with and without ESI postionization. Multiply charged proteins ranging in molecular mass from 8.6 to 17 kDa were detected from liquid-state samples without the addition of matrix.
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