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d-Phenylalanine is capable of trapping reactive oxygen species (ROS) and reactive nitrogen species (RNS) by forming three major hydroxylation (o-, m-, p-tyrosine) and two major nitration products (nitrophenylalanine, nitrotyrosine). Here, we show how a method for the analysis of these phenylalanine derivatives was established using isocratic HPLC (Nucleosil120, C18 column) coupled with photodiode...
The experimental evidence for an age-dependent increased generation of reactive oxygen species and a progressive accumulation of oxidized biomolecules is growing. However, despite such facts there is no detailed mechanistic information on how the higher availability of reactive oxygen species translates into the accumulation of oxidized biomolecules. For example, open questions are which reactive...
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