Eur. Phys. J. E 16, 77-80 (2005)
DOI: 10.1140/epje/e2005-00009-x
1 School of Physics, The University of Edinburgh, Mayfield Road, Edinburgh EH9 3JZ, Scotland, UK
2 Hahn-Meitner-Institut Berlin, Glienicker Str. 100, 14109 Berlin, Germany
w.poon@ed.ac.uk
(Received 17 November 2004 / Published online 31 January 2005)
82.70.Dd - Colloids.
87.15.Nn - Properties of solutions; aggregation and crystallization of macromolecules.
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2005
DOI: 10.1140/epje/e2005-00009-x
Non-equilibrium behavior of sticky colloidal particles: beads, clusters and gels
H. Sedgwick1, K. Kroy1, 2, A. Salonen1, M.B. Robertson1, S.U. Egelhaaf1 and W.C.K. Poon11 School of Physics, The University of Edinburgh, Mayfield Road, Edinburgh EH9 3JZ, Scotland, UK
2 Hahn-Meitner-Institut Berlin, Glienicker Str. 100, 14109 Berlin, Germany
w.poon@ed.ac.uk
(Received 17 November 2004 / Published online 31 January 2005)
Abstract
To understand the non-equilibrium behavior of colloidal particles with short-range attraction, we studied salt-induced aggregation
of lysozyme. Optical microscopy revealed four regimes: bicontinuous texture, `beads', large aggregates, and transient gelation.
The interaction of a metastable liquid-liquid binodal and an ergodic to non-ergodic transition boundary inside the equilibrium
crystallization region can explain our findings.
82.70.Dd - Colloids.
87.15.Nn - Properties of solutions; aggregation and crystallization of macromolecules.
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2005
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