Question

Advantage and disadvantage of most common uesd embedding media

Answer 1

Explanation:

Advantages:

1. Polymerize uniformly with little change in volume (as low as 2%).

2. Relatively stable in electron beam.

3. Mixtures can be stored for several weeks at 4 C and many months at -20 C in well sealed containers.

Disadvantages:

1. Relatively high viscosity. Necessitates lengthy graded infiltration procedure.

2. Some reduction in contract between specimen and background.

3. Can cause severe irritation to skin.