Photonic crystals are periodic optical structures that can control the flow of light. Multiple reflections from surfaces separated by a distance similar to the wavelength prevent an optical beam ...

Skimmed milk has a little more calcium than semi-skimmed, which in turn has a little more calcium than whole milk. The reason is simply that as the fat is removed, the watery proportion of the ...

Membrane proteins are proteins found in cell membranes, either at the surface or on intracellular organelles. Integral membrane proteins such as receptors and ion channels span the membrane.

Rats were instilled with particles and the cell population assessed by bronchoalveolar lavage (BAL). Calcium homeostasis in macrophages was assessed with a fluorimetric technique. RESULTS UfCB was ...

State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China State Key Joint Laboratory of Environment Simulation and ...