Holographic characterization of colloidal fractal aggregates

Chen Wang, Fook Chiong Cheong, David B. Ruffner, Xiao Zhong, Michael D. Ward, David G. Grier

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish (US)
Pages (from-to)8774-8780
Number of pages7
JournalSoft Matter
Volume12
Issue number42
DOIs
StatePublished - 2016

ASJC Scopus subject areas

  • General Chemistry
  • Condensed Matter Physics

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