The invention relates to methods and systems for creating and utilizing a modular multi-coverage insurance product. The compounds are useful in detecting oxidative stress and processes associated therewith in live cells. A first uneven border differentiates the first and second portions, and a second uneven border differentiates the second and third portions, however, said portions may overlap. At least one slit is formed between the welded plate and the held plate. Methods and pharmaceutical preparations comprising such agents are provided.