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Relevant academic research and scientific papers

Anion-Selective Cholesterol Decorated Macrocyclic Transmembrane Ion Carriers

Anion transporters play a vital role in cellular processes and their dysregulation leads to a range of diseases such as cystic fibrosis, Bartter's syndrome and epilepsy. Synthetic chloride transporters are known to induce apoptosis in cancer cell lines. Herein, we report triamide macrocycles that are easily synthesized and externally functionalized by pendant membrane-permeable groups. Among a variety of chains appended onto the macrocycle scaffold, cholesterol is found to be the best with an EC50 value of 0.44 μM. The macrocycle is highly anion-selective and transports ions via an OH-/X- antiport mechanism. The macrocycle is an interesting scaffold for ion-Transport as it is able to discriminate between various anions and shows a preference for SCN- and Cl-. Such anion-selective transporters are highly attractive model systems to study ion-Transport mechanisms and could potentially be of high therapeutic value.

Synthesis of fulleropyrrolidine-imidazolium salt hybrids and their solubility in various organic solvents

Eight types of fulleropyrrolidine-imidazolium hybrids have been synthesized and their solubility determined in various types of organic solvents. The solvent solubility of fullerene derivatives depends on the alky side chain on the imidazolium ring; modification of solvent solubility of the fulleropyrrolidine-imidazolium hybrids has thus been accomplished by introduction of an appropriate alkyl group using imidazoyl moiety as the 'functional group connector'. The imidazolium group seems to act not only as the connector but also as an important functional group that controls the solubility.

Selective Complexation and Transport of Europium Ions at the Interface of Vesicles

The aim of the present work was to design functionalized lipidic membranes that can selectively interact with lanthanide ions at the interface and to exploit the interaction between membranes induced by this molecular-recognition process with a view to bu