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BACKGROUND Countless chemicals and mixtures are used in laboratories today, which all possess their own properties and dangers. Therefore, it is important to brief oneself about possible risks and hazards before doing any experiments. However, this task is laborious and time consuming. SUMMARY Beryllium10 is a program, which supports users by carrying out… (More)
Graphite oxide was characterized by pH dependent excitation-emission matrices from 300 to 500 nm in excitation and from 320 to 600 nm in emission which reveal the presence of two pH steps. These are assigned to the presence of carboxy groups and phenolic hydroxy groups, respectively. Fluorescence is strongest at 470 nm excitation and 555 nm emission. The… (More)