Unnatural proteins for the control of surface forces

Aysen Tulpar, Douglas B. Henderson, Min Mao, Beth Caba, Richey M. Davis, Kevin E. Van Cott, William A. Ducker

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


The method for the stabilization of colloidal particles via the synthesis and adsorption of unnatural proteins was described. The positively charged alumina surface absorbed copolypeptides from an aqueous solution which generated a steric force and made the double layer force significant. Separation between the surface was found to be independent of salt concentration and was measured using atomic force microscopy. It was found that synthesis of fusion proteins containing useful natural proteins via recombinant DNA technology could produce a wide variety of polymer sequence.

Original languageEnglish (US)
Pages (from-to)1497-1506
Number of pages10
Issue number4
StatePublished - Feb 15 2005
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry


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