[Autofluorescence visualization of the oral malignant lesions].

Objective: The aim of the present paper was to observe the main features of the autofluorescence emission of the oral epithelial carcinomas.

Material And Methods: The study included four patients aged 38-61 years with the oral epithelial carcinomas located at a cheek, a floor of the mouth, a bottom lip. All the diagnoses were later confirmed histologically.

Fibrinogen internalization by ADP-stimulated blood platelets. Ultrastructural studies with fibrinogen-colloidal gold probes.

Interaction of gel filtered, ADP-stimulated human platelets with low (0.05 mg/ml) and high (1 mg/ml) fibrinogen (Fg) was examined by transmission electron microscopy. To visualize exogenous Fg in a course of its interaction with stimulated platelets, Fg coupled to 18-nm colloidal gold (Fg-Au) was employed.