For LDL separation, 0.3 mL of 1.006-kg/L sodium bromide density solution was added to the 0.6 mL solution in the tube, mixed, and ultracentrifuged under the above conditions, and the LDL layer was removed from the top
For LDL separation, 0.3 mL of 1.006-kg/L sodium bromidedensity solution was added to the 0.6 mL solution in thetube, mixed, and ultracentrifuged under the above conditions,and the LDL layer was removed from the top