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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Coordinatively unsaturated complexes with potential nucleasic activity
 Willimetz, Robert ; Kotek, Jan (advisor) ; Schulz, Jiří (referee)
Biofilms are bacterial colonies attached to the surfaces through matrix of the biopolymer substances they produce. These biofilms can also form on medical implants, where they are responsible for difficult-to-treat chronic infections. One approach to prevent biofilm formation may be using of coordination compounds with nuclease activity. These compounds contain a hydrolytically active metal ion that is able to actively cleave extracellular DNA to prevent matrix and biofilm formation. The aim of this diploma thesis was to prepare a series of Cu(II) complexes of 1,4,7-triazacyclononane derivatives and to observe their potential nuclease activity. One of the complexes was a 1,4,7-triazacyclononane derivative with a thiazole anchor. Prepared complex can be incorporated through this anchor into polymers to a surface with potential ability to prevent biofilm formation.
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Triazacyclononane derivatives bearing thiazole side group for anchoring to polymeric materials
 Willimetz, Robert ; Kotek, Jan (advisor) ; Havlíček, David (referee)
With the growing resistance of bacteria to antibiotics, it is crucial to search for other ways to treat and prevent bacterial infections. Bacteria attached to the surface of medical implants can form a so-called biofilm, which is able to potentially cause the infection and subsequent health issues. The aim of this thesis was to prepare ligand capable of complexation of hydrolytically active metal ions, which would be able to cleave nucleic acids of bacteria. The selected ligand was 1,4,7-triazacyclononane derivative linked to thiazole side group for anchoring to polymeric materials. With these antibacterial polymeric substances it would be possible to coat the surfaces of the implants and therefore prevent developing of infections.
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