Fused degradation mechanisms

The most widely used development in HTS wire production is tlie powder-in-tube procedure with BSCCO ceramic materials. In this procedure very fine HTS powder, placed inside of a hollow silver tube, is fused as the tube lengtn is mechanically increased to form a wire. Very high magnetic fields with this wire have been reported at 4 K however, the performance degrades substantially above 20 to 30 K. 

The mechanism by which LDL is removed from circulation is well understood. Specific receptors present in coated pits on plasma membranes recognize and bind apo B-lOO of LDL (see Figures 26-19 and 26-20). The LDL particles are internalized in coated vesicles, which then fuse to form an endo-some. Because of the acidic milieu of the endosome, LDL dissociates from the receptor, which returns to the cell surface for reuse, whereas LDL migrates to the lysosome. Once the LDL is delivered to the lysosome, apo B-100 is degraded to small peptides and amino acids. Cholesterol... 

---