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Digitale Medien

A quantitative method of sample loading for field desorption mass spectrometry (1974)

Olson, Keith L. ; Cook, J. Carter ; Rinehart, Kenneth L.

Chichester : Wiley-Blackwell

Biological Mass Spectrometry 1 (1974), S. 358-362

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Details

ISSN: 1052-9306

Schlagwort(e): Chemistry ; Analytical Chemistry and Spectroscopy

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: A quantitative method for loading nanogram samples onto field desorption emitter wires is described. Sample consumption is reduced and problems with emitter wettability are overcome by freezing microliter droplets onto the emitters. Using this technique, good spectral data are obtained from 10 to 50 ng of material. Field desorption sensitivity measurements are reported for neomycin B, adenosine and cholesterol. Evaluation of the nonquantitative dipping technique previously employed reveals poor and nonreproducible sample loading efficiency.

Zusätzliches Material: 4 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/bms.1200010513

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