The services are supported partly by State Research Funding, RVO 61388963, and partly from the respective Projects Fundings. The research on brassinosteroids labelled by tritium was supported by the Foundation of the Czech Academy of Sciences, project No. IAA400550801. The work of T. Elbert as a scientific advisor of IIS-CED is supported by Ministry of Education of Czech Republic in the frame of INGO II programe, project LG13002.