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5 papers · 2 filters
Dynamic Equivalence between Soft Star Polymers and Hard Spheres
Zhe Wang, Antonio Faraone, Panchao Yin +5
Understanding the dynamics of soft colloids, such as star polymers, dendrimers, and microgels, is of scientific and practical importance. It is known that the excluded volume effec…
A New Ultrasonic Transducer Sample Cell for In Situ Scattering Experiments
Sudipta Gupta, Markus Bleuel, Gerald J. Schneider
Ultrasound irradiation is a commonly used technique for non-destructive diagnostics or targeted destruction. We report on a new versatile sonication device that fits in a variety o…
Short Time and Structural Dynamics in Polypropylene Glycol Nanocomposite
M. Tyagi, R. Casalini, C. M. Roland
The dynamics of polypropylene glycol, both neat and attached to silica nanoparticles, were investigated using elastic neutron backscattering and dielectric spectroscopy. The mean s…
Fingerprinting molecular relaxation in deformed polymers
Zhe Wang, Christopher N. Lam, Wei-Ren Chen +8
The flow and deformation of macromolecules is ubiquitous in nature and industry, and an understanding of this phenomenon at both macroscopic and microscopic length scales is of fun…
Acid induced assembly of a reconstituted silk protein system
A. Pasha Tabatabai, Katie M. Weigandt, Daniel L. Blair
Silk cocoons are reconstituted into an aqueous suspension, and protein stability is investigated by comparing the protein's response to hydrochloric acid and sodium chloride. Aggre…