Properties of matrix-assisted laser desorption. Measurements with a time-to-digital converter.

@article{Ens1991PropertiesOM,
  title={Properties of matrix-assisted laser desorption. Measurements with a time-to-digital converter.},
  author={Werner E Ens and Youdong Jack Mao and Florian W. Mayer and Kenneth G. Standing},
  journal={Rapid communications in mass spectrometry : RCM},
  year={1991},
  volume={5 3},
  pages={
          117-23
        }
}
Some properties of matrix-assisted laser desorption have been studied using single-ion-counting methods and a time-to-digital converter. The methods allow examination of the process for irradiances near the reported threshold for observation with a transient recorder. All measurements were made using bovine insulin as a test compound. We present direct evidence that an irradiance threshold near 10(6) W cm-2 exists for ion production, and that the process is a collective effect, either involving… CONTINUE READING
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