Crack-cocaine is a cocaine by-product widely consumed by general population in
developing countries. The drug is low cost and is associated with more intense effects when …

Non-ionic surfactants such as Triton X-100 have been widely used in industrial processing
and in cleaning products for almost 50 years, being effective and economic emulsifying …

This review summarizes the application of Tetrahymena spp. in ecotoxicology, in order to
promote a more integrated, multi-level ecotoxicological assessment approach regarding the …

The toxicity of cocaine and crack was studied on the protozoan Tetrahymena pyriformis,
using several endpoints, such as the DNA content of the macronuclei and the phagocytic …

The toxicity, in terms of changes in the DNA content, of two food preservatives, sodium
nitrate and sodium benzoate was studied on the protozoan Tetrahymena pyriformis using …

The effect of cocaine and crack on the ploidy status of Feulgen-stained Tetrahymena
pyriformis macronuclei using computerized DNA image analysis system was tested. For this …

MATERIALS AND METHODS A computerized image analysis system (CIAS), based on high-
resolution scanning, has proved to be an effective approach to examine and classify stained …

The toxicity of different substances was studied on the protozoan Tetrahymena pyriformis,
using as an endpoint the DNA content of the macronucleus. Substances from various …

Aims: To improve bead ingestion counts in Tetrahymena pyriformis by automated image
analysis as an alternative to direct‐counts. Methods and Results: Fluorescent latex beads …

Histamine is a significant biological compound because of its role in mediating the human
allergic and inflammatory pathways. Antihistamines are often administered to control the …