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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Development of a nanoscale liquid chromatography/electrospray mass spectrometry methodology for the detection and identification of DNA adducts.

In this work, the coupling of liquid nanochromatography to NanoFlow electrospray mass spectrometry was evaluated for the detection of DNA adducts. The NanoFlow ES LC/MS system was compared with the capillary and conventional ES LC/MS system by analyzing an in vitro reaction mixture resulting from the interaction of 2'-deoxyguanosine 5'-monophosphate with bisphenol A diglycidyl ether and by injecting 2'-deoxyadenosine. By using NanoFlow ES LC/MS, the mass sensitivity could be improved by a factor of 3300. Three different injection methods used in liquid nanochromatography, i.e., split, large-volume, and column-switching injections were compared in terms of sensitivity. Furthermore, NanoFlow ES LC/MS was used to detect 2'-deoxynucleotide adducts isolated from an in vitro mixture of calf thymus DNA and bisphenol A diglycidyl ether. Different 2'-deoxynucleotide adducts could be identified by monitoring typical product ions, diagnostic for the adducts.[1]

References

  1. Development of a nanoscale liquid chromatography/electrospray mass spectrometry methodology for the detection and identification of DNA adducts. Vanhoutte, K., Van Dongen, W., Hoes, I., Lemière, F., Esmans, E.L., Van Onckelen, H., Van den Eeckhout, E., van Soest, R.E., Hudson, A.J. Anal. Chem. (1997) [Pubmed]
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