نتایج جستجو برای: Eye irritation
تعداد نتایج: 162096 فیلتر نتایج به سال:
The present paper is an attempt to investigate the eye irritation potential of aqueous leaf extract of Achyranthes aspera by in vitro, Hen's Egg Chorioallantoic Membrane Test (HET-CAM) and in vivo acute eye irritation test in rabbits. The irritation score (IS) obtained after treatment of the extract on HET-CAM is 0.07 and that of in rabbits is 0.55, Which does not comes under either category 1 ...
Background: The safety evaluations of sunscreens containing Titanium Dioxide-Nanoparticles (TiO2-NPs) were done by dermal exposure, acute dermal and eye irritation/corrosion, and skin sensitization according to the guideline for Organization for Economic Co-operation and Development (OECD). OBJECTIVES: The aim of our study was the evaluation of safety and toxicity of TiO2-NPs following acute su...
The evaluation of eye and skin irritation potential is essential to ensuring the safety of human in contact with a wide variety of substances. Despite this importance of irritation test, little is known with respect to the irritation potency of lomefloxacin, a fluoroquinolone antibiotic, which has been known to cause phototoxicity with an abnormal reaction of the skin. Thus, to investigate the ...
Methods of evaluating eye preparations from a human safety standpoint have remained somewhat obscure. Toxicology and predictive irritancy studies in animal models can be readily retrieved from the literature (1-4), but methods for human testing are not as available. The rabbit is the species of choice for the preliminary evaluation of potential ocular irritation from toiletties, cosmetics and h...
Health effects of acute exposure • The main routes of exposure to hydrogen chloride are via inhalation, or skin or eye contact and exposure to hydrochloric acid is predominantly by ingestion, or skin or eye contact • Inhalation may cause irritation to nose and upper respiratory tract, ulceration, coughing, chest tightness and shortness of breath. Higher concentrations cause tachypnoea, pulmonar...
Purpose: The purpose of this study was to explore a possible mechanism of eye irritation by constructing a corresponding general quantitative structure-activity relationship (QSAR) model using a genetic algorithm. The model was derived from a subset of diverse chemical structures found in the Draize eye irritation ECETOC data set. Methods: Molecular dynamic simulation (MDS) was used to generate...
Extensive research has been conducted over the past decades to develop alternatives to the rabbit eye irritation test (Draize test) used in a regulatory context to assess eye irritation potentials. Although no single in vitro test has emerged as being completely acceptable for full replacement, various tests are considered to be suitable and are regularly used to assess certain aspects. Amongst...
The rabbit corneal epithelium model (RCE model) was developed as a three-dimensional in vitro model to replace animal testing for the assessment of eye irritation. In the model, a stratified culture of rabbit corneal epithelial cells is grown at the air-liquid interface on collagen gel that acts as a parabasal membrane. Histological cross-sections show that the structure of the RCE model closel...
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