561967

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Electrosteric stabilization and its role in cooperative magnetophoresis of colloidal magnetic nanoparticles.

Swee Pin Yeap et al.

Langmuir : the ACS journal of surfaces and colloids, 28(42), 14878-14891 (2012-10-03)

A detailed study on the conflicting role that colloid stability plays in magnetophoresis is presented. Magnetic iron oxide particles (MIOPs) that were sterically stabilized via surface modification with poly(sodium 4-styrene sulfonate) of different molecular weights (i.e., 70 and 1000 kDa)

A heparin-mimicking polymer conjugate stabilizes basic fibroblast growth factor.

Thi H Nguyen et al.

Nature chemistry, 5(3), 221-227 (2013-02-21)

Basic fibroblast growth factor (bFGF) is a protein that plays a crucial role in diverse cellular functions, from wound healing to bone regeneration. However, a major obstacle to the widespread application of bFGF is its inherent instability during storage and

Surface functionality as a means to impact polymer nanoparticle size and structure.

Julia Schneider et al.

Langmuir : the ACS journal of surfaces and colloids, 29(12), 4092-4095 (2013-02-27)

When polymeric nanoparticles (NPs) are formed by nanoprecipitation, which is a nucleation-growth process, the control over size requires changing the polymer concentration or solvent composition. Here, we demonstrate that the NP size can be controlled independent of polymer variables by

Highly charged polyelectrolyte coatings to prevent adsorption during protein and peptide analysis in capillary electrophoresis.

Reine Nehmé et al.

Methods in molecular biology (Clifton, N.J.), 984, 191-206 (2013-02-07)

Capillary electrophoresis (CE) is an interesting technique for protein and peptide analysis. However, one of the major problems concerns sample adsorption on the internal capillary wall. The use of non-covalent coatings using highly charged polyelectrolytes is an efficient, simple, and

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