Results 331 to 340 of about 445,868 (362)
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Cytotoxicity testing of a dentin bonding system

Oral Surgery, Oral Medicine, Oral Pathology, 1985
The cytotoxicity of a newly developed dentin bonding system was examined in African green monkey kidney cells and human embryonic lung cells. A tissue culture agar overlay procedure, a longitudinal study, and a cell replication assay were employed to evaluate cytotoxicity.
Thom C. Dumsha, Robert J. Sydiskis
openaire   +3 more sources

Serial dilution microchip for cytotoxicity test [PDF]

open access: possibleJournal of Micromechanics and Microengineering, 2004
Today's pharmaceutical industry is facing challenges resulting from the vast increases in sample numbers produced by high-throughput screening (HTS). In addition, the bottlenecks created by increased demand for cytotoxicity testing (required to assess compound safety) are becoming a serious problem.
Young Kyung Lee   +6 more
openaire   +1 more source

Uridine uptake inhibition as a cytotoxicity test: Correlations with the Draize test

Toxicology, 1984
The effects of 25 xenobiotic chemicals on the uptake of [3H]-uridine by Balb/c 3T3 cells were assessed. The test compounds, which included alcohols, ethers, esters, ketones, amides, acids and a detergent, inhibited uridine uptake at concentrations lower than those required to kill the cells; thus uridine uptake inhibition is a more sensitive indicator ...
Sonal Sathe, C. Shopsis
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Cytotoxicity, Cytogenotoxicity and Allergenicity Tests on Certain Pyrethroids

Drug and Chemical Toxicology, 1987
Pyrethroids are potent synthetic insecticides which have been increasingly employed in recent years. Such compounds have been shown to bind covalently to hepatic proteins. Covalent binding is often associated with toxic effects. Possible cytotoxic, cytogenotoxic and allergenic effects could be due to covalent binding of these compounds and/or their ...
H. Hoellinger   +5 more
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Cytotoxicity Testing: Cell Experiments

2011
Screening for new anticancer agents has traditionally been done with in vitro cell culture methods. Even in the genomic era of target-driven drug design, screening for cytotoxic activity is still a standard tool in the search for new anticancer agents, especially if the mode of action of a substance is not yet known.
Aron F. Westendorf   +5 more
openaire   +2 more sources

Testing for food allergy: A statistical comparison of cytotoxic and intracutaneous tests

The Laryngoscope, 1978
AbstractThis study presents a comparison of in vitro cytotoxic food allergy test results with those of in vivo intracutaneous food allergy testing by both objective serial dilution titration and subjective provocation. During the study the cytotoxic test was utilized as a screening device for follow‐up Lee intracutaneous testing, the latter providing ...
openaire   +3 more sources

Cytotoxicity Test for Bioceramics of Calcium Phosphate

Materials Science Forum, 1998
Calcium and phosphor compounds have been used as biomaterials in the medical and odontological field to replace bone tissue. Calcium pyrophosphate (Ca 2 P 2 O 7 ), synthetic hydroxyapatite [Ca 10 (PO 4 ) 6 (OH) 2 ] and natural hydroxyapatite from bovine bone were obtained by powder process, milled and characterized by chemical and crystallographic ...
Sizue Ota Rogero   +2 more
openaire   +2 more sources

Tests Predictive of Cytotoxic Activity

1974
Tests predictive of cytotoxicity are of three general types; those that select agents for antitumor cytotoxicity, those that predict host cytotoxicity, and those applied to predict the toxicity/benefit ratio of a drug of generally accepted potency in a particular patient with a specific tumor.
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Cytotoxicity Testing for Food Safety Evaluation

1995
We have been interested in studying the factors affecting the quality of food. It is important to detect toxic substances in foods as well as to control food-born disease microorganisms. We have been applied in vitro bioassay to evaluate the quality of food.
Kenji Isshiki   +2 more
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SOP/DTX/155 Cytotoxicity Tests

1980
Since chemicals may interact with cells in a variety of ways, the criteria for defining a toxic concentration depends on the technique used to measure toxicity. Thus toxicity can be expressed in terms of the doses of chemical which inhibit colony formation, cause detachment of cells from glass or plastic, inhibit DNA, RNA or protein synthesis, cause ...
I. P. Sword, Ritchie Thomson
openaire   +2 more sources

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