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Biomedical subjects

J Carson

Publications and source records attributed to J Carson.

At least 109 records · Page 6Linked to original sources
PubMed1982

A simple method for the handling and orientation of small specimens for electron microscopy.

Cyanoacrylic glue (Eastman 910) was used to affix small pieces of nasal scrapings to lens paper immediately before fixation in the glutaraldehyde. The lens paper not only served to hold specimens together so that they were not lost during tissue processing, but also functioned as a 'landmark' for the specimens, so that specimens could be oriented in a specific manner during embedding and subsequent sectioning.

Adhesives↗
PubMed1981

Atopy and cystic fibrosis. A study of CF sibling pairs and their families.

We have investigated the prevalence of atopy within families of cystic fibrosis (CF) patients and compared its frequence in CF patients, their parents and their non-CF siblings. By studying families with two CF patients it was also possible to evaluate the factors influencing the development of atopy in one CF patient relative to the other patient within the same family. A significant correlation with age (P less than 0.001) for skin test positivity to common allergens within CF sibling pairs was observed. In 14/18 families studied, only the older CF patient was atopic. The presence of atopy in CF patients was independent of the atopic status of their parents.

Adolescent↗
PubMed1980

Human ectocervical and endocervical epithelial cells in culture: a comparative ultrastructural study.

Primary and subcultured epithelial cells obtained from the human ectocervix and endocervix were compared by light, immunofluorescent, and electron microscopic techniques. In culture, both cell types were consistently free of surface-associated fibronectin as revealed by immunofluorescent studies. Ectocervical cell colonies exhibited a stratified appearance, where as endocervical epithelial cells grew in a single layer with smooth overlapping of adjacent cells. In addition, the surfaces as well as the cytoplasmic organellar structures of both cell types showed many characteristic features related to the epithelium of their origin. These features were retained with the aging of the cells and were seen also in subcultures. These cultures should permit observation of the effects of steroids, as well as viral and chemical carcinogens, on the ultrastructural integrity of the epithelial cells.

Cells, Cultured↗
PubMed1979

A thermographic study of heat distribution during ultra-speed cavity preparation.

Thermography was employed to determine the pattern of heat generation, distribution and dissipation during ultra-high speed cavity preparation. Results indicate an increase in intrapulpal temperature during cutting procedures. No significant differences in the cooling effectiveness between air-water spray and air alone were found. Thermography appears to be an effective research tool for determining thermal changes.

Air↗