8th February 2018
Optical images of dissolution of capsules with compositions highlighted in the figure showing (A-C) instantaneous, (D-E) sustained, pulsed and diffuse release. (F) High magnification images of the surface cracks of the capsule and (G) the emanating micron-sized nanoparticle clusters. (H) The droplet radius of the composite (D) capsule was found to remain approximately constant over time, and release of micron-sized nanoparticle clusters occurs in bursts, over long timescales, tuneable with pH. Copyright: Authors, taken without changes from 10.1126/sciadv.aao3353 which has been published under Creative Commons Licence CC BY 4.0 (https://creativecommons.org/licenses/by/4.0).
8th February 2018

Nanocomposite Capsules with Directional, Pulsed Nanoparticle Release

The precise spatio-temporal delivery of nanoparticles from polymeric capsules is required for applications ranging from medicine to materials science. Researchers from the Imperial College London, UK, have demonstrated that microporosity and capsule morphology... (Read more)
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8th February 2018
(a) Illustration of the different interaction mechanisms of the proteins, salt, and interface. (b) Sketch of protein adsorption on the attractive surface by increasing cs=cp. Copyright: Authors, reprinted with permission from DOI: 10.1103/PhysRevLett.119.228001.
8th February 2018

Multivalent Ion-Activated Protein Adsorption Reflecting Bulk Reentrant Behavior

Protein adsorption at the solid-liquid interface is an important phenomenon that often can be observed as a first step in biological processes. A team from Germany and Great Britain has demonstrated the control... (Read more)
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