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Title: Functionalized calix[4]arenes as transporters of biological compounds
Authors: Kim, Lidia
Iordache Zamora, Petrisor
Hamdi, Abdelwaheb
Biziru, Alexandru
Vicens, Jacques
Mutihac, Lucia
Keywords: Calix[n]arenes
Host-guest molecular recognition
Biochemical compounds
Issue Date: 2009
Abstract: Calix[n]arenes as cyclic oligomers are important receptors of supramolecular hosts involved in host-guest molecular recognition of various compounds as well as in analytical applications such as separation of chemical or biochemical compounds. Derivatisation of calix[n]arenes at the upper and lower rim in order to introduce various functional groups has led to new compounds with desired properties. In the present contribution, we have reported aspects of complex formation and transport through liquid membrane assisted by the pH gradient of amino acid methylesters by using a series of calix[4]arenes substituted by acid and amido functions, glycolic chains, and hydroxyl groups. All these receptors have been used as carriers for transport through liquid membrane of aromatic amino acid methylesters aiming at their separation. The complexation properties of calix[n]arenes towards amino acids have been evaluated by UV-Vis spectrometry. The effects of physicochemical parameters that might influence the separation of amino acids by transport process through liquid membrane using calix[n]arenes as carriers have been investigated.
Description: The 4 th joint International Symposium on Macrocyclic and Supramolecular Chemistry - ISMSC 2009, Maastricht, The Netherlands
Appears in Collections:Conference Papers

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