Issue 15, 2012
From the journal:

RSC Advances

Composite fluorescent vesicles based on ionic and cationic amphiphilic calix[4]arenes

Paul K. Eggers,a   Thomas Becker,b   Marissa K. Melvin,a   Ramiz A. Boulos,a   Eliza James,a   Natalie Morellini,c   Alan R. Harvey,d   Sarah A. Dunlop,c   Melinda Fitzgerald,c   Keith A. Stubbse  and  Colin L. Raston*a  

* Corresponding authors

a Centre for Strategic Nano-Fabrication, The University of Western Australia, 35 Stirling Hwy, Crawley 6009, Australia
E-mail: colin.raston@uwa.edu.au
Fax: +618 6488 3045
Tel: +618 3045 8683

b Nanochemistry Research Institute, Curtin University, Kent Street, Bentley, Australia
E-mail: T.Becker@curtin.edu.au
Fax: +618 9266 4699
Tel: +618 9266 7806

c School of Animal Biology, The University of Western Australia, 35 Stirling Hwy, Crawley 6009, Australia
E-mail: sarah.dunlop@uwa.edu.au
Fax: +618 6488 7527
Tel: +618 6488 1403

d School of Anatomy and Human Biology, The University of Western Australia, 35 Stirling Hwy, Crawley 6009, Australia
E-mail: alan.harvey@uwa.edu.au

e School of Chemistry and Biochemistry, The University of Western Australia, 35 Stirling Hwy, Crawley 6009, Australia
E-mail: keith.stubbs@uwa.edu.au
Fax: +618 6488 7330
Tel: +618 6488 2725

Abstract

Amphiphilic calixarenes bearing ionisable phosphonic acid groups or cationic trimethylamine groups attached to the upper rim of calix[4]arenes in the cone conformation, with dodecyl moieties attached to the lower rim, have a high uptake in PC-12 cells, with the calixarenes being localised cytoplasmically. The calixarenes form tightly packed layers, as established using scanning tunnelling microscopy (STM) on atomically flat surfaces, and can form vesicles or micelles. The vesicles have been wrapped in a peptide–glycol coat for enhanced stability.

Graphical abstract: Composite fluorescent vesicles based on ionic and cationic amphiphilic calix[4]arenes

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Article information

DOI
https://doi.org/10.1039/C2RA20491F
Article type
Paper
Submitted
16 Mar 2012
Accepted
27 Apr 2012
First published
11 Jun 2012

RSC Adv., 2012,2, 6250-6257

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Composite fluorescent vesicles based on ionic and cationic amphiphilic calix[4]arenes

P. K. Eggers, T. Becker, M. K. Melvin, R. A. Boulos, E. James, N. Morellini, A. R. Harvey, S. A. Dunlop, M. Fitzgerald, K. A. Stubbs and C. L. Raston, RSC Adv., 2012, 2, 6250 DOI: 10.1039/C2RA20491F

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