Using optical tweezers for the characterization of polyelectrolyte solutions with very low viscoelasticity

Recently, optical tweezing has been used to provide a method for microrheology addressed to measure the rheological properties of small volumes of samples. In this work, we corroborate this emerging field of microrheology by using these optical methods for the characterization of polyelectrolyte sol...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 29(2013), 29 vom: 23. Juli, Seite 9224-30
1. Verfasser: Pommella, Angelo (VerfasserIn)
Weitere Verfasser: Preziosi, Valentina, Caserta, Sergio, Cooper, Jonathan M, Guido, Stefano, Tassieri, Manlio
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Acrylic Resins Electrolytes Solutions polyacrylamide 9003-05-8
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520 |a Recently, optical tweezing has been used to provide a method for microrheology addressed to measure the rheological properties of small volumes of samples. In this work, we corroborate this emerging field of microrheology by using these optical methods for the characterization of polyelectrolyte solutions with very low viscoelasticity. The influence of polyelectrolyte (i.e., polyacrylamide, PAM) concentration, specifically its aging, of the salt concentration is shown. The close agreement of the technique with classical bulk rheological measurements is demonstrated, illustrating the advantages of the technique 
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700 1 |a Preziosi, Valentina  |e verfasserin  |4 aut 
700 1 |a Caserta, Sergio  |e verfasserin  |4 aut 
700 1 |a Cooper, Jonathan M  |e verfasserin  |4 aut 
700 1 |a Guido, Stefano  |e verfasserin  |4 aut 
700 1 |a Tassieri, Manlio  |e verfasserin  |4 aut 
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