The cheapest and the easiest
of the morphological staining methods is that
with hematoxylin staining. Materials stained with
hematoxylin are visualized with the light microscope,
which is available almost in all laboratories.
Hematoxylin staining may be used in both cells in
vitro [5, 6] and tissues in vivo [7, 8]. It is convenient
to start with this method in the determination
of apoptotic cells, and it is advantageous over other
methods for several reasons (for example, initial
evaluation in a fast and cheap way).