Dissociation of nystatin and amphotericin analogues: characterisation of minor anti-fungal macrolides

. 2010 ; 16 (1) : 73-80.

Jazyk angličtina Země Anglie, Velká Británie Médium print

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/pmid20065516

Tandem mass spectrometry combined with Fourier transform ion cyclotron resonance (FT-ICR) has been the basis for rationalizing the fragmentation mechanisms of anti-fungal macrolides nystatin A(1), amphotericin B and pimaricin. The positive ion mass spectra were not informative, however, the dissociation of deprotonated molecules led to structurally significant ring-opened fragments. Using this approach of tandem FT-ICR mass spectrometry and electrospray ionisation coupled with high-performance liquid -chromatography (HPLC), 11 macrolide natural analogues or degradation products were characterised in the nystatin mixture.

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