Calixarene-based artificial ionophores for chloride transport across natural liposomal bilayer: Synthesis, structure-function relationships, and computational study.
Biochim Biophys Acta Biomembr
; 1863(10): 183667, 2021 10 01.
Article
en En
| MEDLINE
| ID: mdl-34111414
An amphiphilic calix[6]arene, alone or complexed with an axle to form a pseudo-rotaxane, has been embedded into liposomes prepared from 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC) and the permeability of the membrane-doped liposomes towards Cl- ions has been evaluated by using lucigenin as the fluorescent probe. The pseudo-rotaxane promotes transmembrane transport of Cl- ions more than calix[6]arene does. Surprisingly, the quenching of lucigenin was very fast for liposomes doped with the positively charged axle alone. Molecular dynamics (MD) simulations and quantum-chemical calculations were also carried out for providing a semi-quantitative support to the experimental results.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Cloruros
/
Calixarenos
/
Ionóforos
/
Membrana Dobles de Lípidos
/
Liposomas
Idioma:
En
Revista:
Biochim Biophys Acta Biomembr
Año:
2021
Tipo del documento:
Article
País de afiliación:
Italia
Pais de publicación:
Países Bajos