Issue 42, 2016
From the journal:

Soft Matter

Holographic characterization of colloidal fractal aggregates

Chen Wang,a   Fook Chiong Cheong,b   David B. Ruffner,b   Xiao Zhong,c   Michael D. Wardc  and  David G. Grier ORCID logo *a  

* Corresponding authors

a Department of Physics and Center for Soft Matter Research, New York University, New York, NY 10003, USA
E-mail: david.grier@nyu.edu
Fax: +1 (212) 995-4016
Tel: +1 (212) 998-3713

b Spheryx, Inc., 333 E. 38th St., New York, NY 10016, USA

c Department of Chemistry and Molecular Design Institute, New York University, New York, NY 10003, USA

Abstract

In-line holographic microscopy images of micrometer-scale fractal aggregates can be interpreted with an effective-sphere model to obtain each aggregate's size and the population-averaged fractal dimension. We demonstrate this technique experimentally using model fractal clusters of polystyrene nanoparticles and fractal protein aggregates composed of bovine serum albumin and bovine pancreas insulin.

Graphical abstract: Holographic characterization of colloidal fractal aggregates

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Article information

DOI
https://doi.org/10.1039/C6SM01790H
Article type
Paper
Submitted
03 Aug 2016
Accepted
29 Sep 2016
First published
30 Sep 2016

Soft Matter, 2016,12, 8774-8780

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Holographic characterization of colloidal fractal aggregates

C. Wang, F. C. Cheong, D. B. Ruffner, X. Zhong, M. D. Ward and D. G. Grier, Soft Matter, 2016, 12, 8774 DOI: 10.1039/C6SM01790H

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