Entrapment of amino acids in gas phase surfactant assemblies: The case of tryptophan confined in positively charged (1R,2S)‐dodecyl (2‐hydroxy‐1‐methyl‐2‐phenylethyl) dimethylammonium bromide aggregates
Abstract:The ability of positively charged aggregates of the surfactant (1R,2S)-dodecyl(2-hydroxy-1-methyl-2-phenylethyl)dimethylammonium bromide (DMEB) to incorporate D-tryptophan or L-tryptophan in the gas phase has been investigated by electrospray ion mobility mass spectrometry (ESI-IM-MS). Strongly impacted by the pH of the electrosprayed solutions, both protonated (T ) and deprotonated (T ) tryptophan are effectively included into the aggregates, whereas, tryptophan in zwitterionic (T ) form is practically absent… Show more
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