A newly developed sheathless interface for capillary electrophoresis-mass spectrometry, using a porous tip sprayer, was first applied for highly sensitive determination of cytosine modifications. The system performed well in identification and quantification of both 5-methylcytosine and 5-hydroxymethylcytosine using only 125 pg (∼20 cells) genomic DNA samples.
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| http://dx.doi.org/10.1039/c5cc10155g | DOI Listing |
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