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Assessing when cell death occurs following in vivo transplantation of stem cells is challenging. Now, pH-sensitive hydrogel capsules containing arginine-based liposomes are shown to act as magnetic resonance imaging contrast agents, allowing cell death to be monitored within the capsules.
In a uniformly aligned liquid crystal, colloidal particles having a number of holes give rise to arrays of topological defects that are associated with the particles' topology.
Networks of glycans template multiphase lipid membranes, either by stabilizing large domains at the characteristic length scale of the network if inhomogeneous, or by suppressing macroscopic phase separation if homogeneous.
A biocompatible method for fabricating three-dimensional photonic crystals opens up unique opportunities for structurally coloured biodegradable materials, but also for implantable biosensing and targeted therapeutics on the microscale.
Electrocatalysis lies at the heart of the chemical phenomena that take place at electrochemical interfaces. In the future it will be the key to driving technological innovations that are urgently needed to deliver reliable, affordable and environmentally friendly energy.
Both electronic and nuclear spins have their pros and cons for quantum information processing. A silicon-based hybrid electronic–nuclear system can make the best of both properties.
It has been shown that glasses prepared by physical vapour deposition have extraordinary stability. A computer algorithm that mimics such a process has now identified the optimal deposition temperature and the glasses' structural features.
