title: [Methodological requirements for precise measurements using DNA single cell cytometry].
abstract: Methodological aspects on DNA single cell cytometry were investigated. Specimens can be homogeneously Feulgen-stained if a high constancy of temperature is realized in the staining cuvette during acid hydrolysis. For the TV image analysis system under investigation (TAS-plus, Leitz) a linear correlation (r greater than 0.99) between physically defined optical transmission values and resulting electronic signals was found. Shading effects can be controlled by using a narrow mask width (VQ less than 1.5%). As an internal standard blood cells or epithelial cells can be used if a correction factor, that was found to be mainly constant, is calculated.
authors.affiliation: Institut für Pathologie, Rheinisch-Westfälischen Technischen Hochschule Aachen.
authors.forename: S
authors.initials: S
authors.lastname: Biesterfeld
authors.forename: A
authors.initials: A
authors.lastname: Böcking
mesh_terms: D003581:Cytodiagnosis; D004247:DNA / Q000032:analysis*; D005434:Flow Cytometry / Q000295:instrumentation / Q000379:methods*; D006652:Histological Techniques; D006801:Humans
chemical_list: D004247:DNA
vernacular_title: Methodische Voraussetzungen für eine präzise DNA-Bildzytometrie.