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Object-Tokens in High-Level Grafchart

The paper presents an high-level extension to Grafchart, a Grafcet-based toolbox for supervisory control applications. The extension allows tokens to be objects with attributes. Contrary to most high-level extensions to Petri Nets and Gracet it is not based on inscriptions.

Dinuclear metal complexes modelling active sites of metallohydrolases

To study the active sites of dinuclear metallohydrolases new metal complexes that model these sites both in structure and function have been synthesized using two new phenol based dinucleating ligands, 2-(N-isopropyl-N-((2-pyridyl)methyl)aminomethyl)-6-(N-(carboxylmethyl)-N-((2-pyridyl)methyl)aminomethyl)-4-methylphenol (IPCPMP) and 2,6-Bis[N-(N-(carboxymethyl)-N-(pyridylmethyl)amine)methyl]-4-met