Issue 6, 2007
From the journal:

Soft Matter

A finite-cluster phase in λ-DNA-coated colloids†

Tatiana Schmatko,a   Behnaz Bozorgui,a   Nienke Geerts,a   Daan Frenkel,a   Erika Eiser*b  and  Wilson C. K. Poonac  

* Corresponding authors

a FOM institute AMOLF, Kruislaan 407, 1098 SJ Amsterdam, The Netherlands
E-mail: schmatko@ics.u-strasbg.fr, frenkel@amolf.nl

b Department of Chemical Engineering, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
E-mail: eiser@science.uva.nl

c SUPA, School of Physics and COSMIC, The University of Edinburgh, Kings Buildings, Mayfield Road, Edinburgh, United Kingdom
E-mail: w.poon@ed.ac.uk

Abstract

We studied the aggregation of 1 µm colloids bridged by DNA with 32 µm contour length. We mixed two species of particles with grafted double-stranded λ-DNA displaying short, complementary single-stranded ‘overhangs’ as free binding-ends. Confocal microscopy showed the formation of stable, size-limited clusters in which the two species of particles were at touching contact. Simulations suggest that the observed close contact and the limitation to grow both result from entropic exclusion of the bridging DNA from the space between nearby particle surfaces.

Graphical abstract: A finite-cluster phase in λ-DNA-coated colloids

About
Cited by
Related
Download options Please wait...

Supplementary files

Article information

DOI
https://doi.org/10.1039/B618028K
Article type
Communication
Submitted
11 Dec 2006
Accepted
30 Mar 2007
First published
12 Apr 2007

Soft Matter, 2007,3, 703-706

Permissions

Request permissions

A finite-cluster phase in λ-DNA-coated colloids

T. Schmatko, B. Bozorgui, N. Geerts, D. Frenkel, E. Eiser and W. C. K. Poon, Soft Matter, 2007, 3, 703 DOI: 10.1039/B618028K

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements