Dendritic cells (DCs) are heterogeneous. The migratory DCs traffic from tissues to lymph nodes, where they mature. The resident DCs spend their entire lifespan in the lymphoid organs in an ...
The recent shells retain the organic material that give the shells their color and nacreous sheen. Nacre (mother of pearl) is an elaborate combination of aragonite, calcite, and protein. When the ...
Attempts to explain some of the observations during the dissolution of calcite (CaCO 3) have led to the hypothesis that a hydration layer forms, although this has been contested. Hydration layers ...