.
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IV. Immunocytochemistry免疫组织化学
Based on antigen binds to specific
antibody.
Tissue section with Antigen + labelled
antibody
labelled Ag-Ab complex
Fluorescein labelling
.
28
❖ Can find the diseases only after the normal is known----the basis of pathology
❖ It is also a foundation of clinic sciences—for a good doctor needed in future
.
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➢Combination of the theory with
practice
➢Combination of the structure
with function
➢Concern the dynamic change
.
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Questions for review
❖ What is the H &E staining? ❖ Describe basophilic, acidophilic, neutrophilic? ❖ What does PAS positive means?
Resolution: 5nm
.
17
JEOL扫描电.子显微镜
18
III. Histochemistry & Cytochemistry
组织化学术
Reveal the chemical composition in situ (e.g. proteins, a.a., nucleic acid, lipids, enzymes etc.) with chemical, biochemical methods.