Confined magnetic colloidal system for controllable fluid transport

Colloidal suspensions of microscopic particles show complex and interesting collective behaviors. In particular, the collective dynamics of colloids is fundamental and ubiquitous for materials assembly, robotic motion, microfluidic ...

Charge change: How electric forces vary in colloids

When calculating electrokinetic force, the convention has been to assume that there is no relative velocity of the fluid compared to the surface, which holds true for hydrophilic surfaces. However, this needs to be reconsidered ...

Extremely tiny, hugely versatile nanoglobules

Ludwig Maximilian University chemists have demonstrated a simple way to load nanoglobules with light-absorbing organic molecules. The method could serve as the basis for the formulation of innovative sunscreens.

Technique simplifies the creation of high-tech crystals

Highly purified crystals that split light with uncanny precision are key parts of high-powered lenses, specialized optics and, potentially, computers that manipulate light instead of electricity. But producing these crystals ...

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