Colloidal silver is a suspension of tiny particles of silver in a liquid, or sometimes gel. The particles are so small that they can’t be filtered out of the solution; these nanoparticles range from ...

Overview: Colloidal silver is sometimes applied to the skin to treat or prevent minor skin infections, although it may not work as well as topical antibiotics. Taking colloidal silver by mouth does ...

There is an immense need for developing a simple, rapid, and inexpensive detection assay for health-care applications or monitoring environments. To address this need, a photonic crystal (PC)-based ...