Results 71 to 80 of about 27,228 (257)

Analysis of micronuclei in buccal epithelial cells in patients subjected to panoramic radiography

open access: yesIndian Journal of Dental Research, 2012
Context: Ionizing radiation is a well-known carcinogen in humans. Chromosomal aberrations and formation of micronuclei in cell cytoplasm are early biological evidence of carcinogenesis.
Manjushri Waingade   +1 more
doaj   +1 more source

Cellular Responses to Tartrazine and Sulfanilic Acid Exposure in BEAS‐2B Cells: Viability, Apoptosis, and DNA Damage

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Tartrazine is a synthetic azo dye widely used in food, pharmaceutical, and cosmetic products, resulting in extensive human exposure, while its toxicity and that of its primary metabolite, sulfanilic acid, remain controversial. Considering the reported association of tartrazine with hypersensitivity and allergic‐like reactions, human bronchial ...
Merve Baysal   +5 more
wiley   +1 more source

Assessment of the potential in vivo ecotoxicity of Double-Walled Carbon Nanotubes (DWNTs) in water, using the amphibian Ambystoma mexicanum [PDF]

open access: yes, 2007
Because of their specific properties (mechanical, electrical, etc), carbon nanotubes (CNTs) are being assessed for inclusion in many manufactured products.
Borm PJA   +37 more
core   +3 more sources

Clastogenicity of Piper cubeba (Piperaceae) seed extract in an in vivo mammalian cell system

open access: yesGenetics and Molecular Biology, 2007
The plant Piper cubeba is widely distributed in tropical and subtropical regions and is used medically for various purposes but has not yet been evaluated for genotoxicity.
Adriana Pereira Freire Junqueira   +3 more
doaj   +1 more source

Genotoxicity evaluation of sodium dehydroacetate

open access: yesZhongguo shipin weisheng zazhi, 2020
Objective To study the genotoxicity of sodium dehydroacetate (Na-DHA). Methods Five strains of Salmonella Typhimurium (TA97a, TA98, TA100, TA102 and TA1535) were used with the presence and absence of S9 in bacterial reverse mutation test.
Xue GENG   +8 more
doaj   +1 more source

Safety assessment of poly(2-ethyl-2-oxazoline) for use in food contact materials. [PDF]

open access: yesEFSA J
Abstract The EFSA Panel on Food Contact Materials (FCM) assessed the safety of poly(2‐ethyl‐2‐oxazoline) intended to be used as an additive to manufacture repeated use filter membranes based on ■■■■■. The filter membranes are used to process aqueous and alcoholic foods, for up to 24 h per day up to ■■■■■ at temperatures up to 35°C.
EFSA Panel on Food Contact Materials (FCM)   +18 more
europepmc   +2 more sources

Ashwagandha: Is It Safe? Part 2: A Preclinical Evidence Review

open access: yesPhytotherapy Research, EarlyView.
ABSTRACT The preclinical evidence for the safety of ashwagandha (Withania somnifera (L.) Dunal, AS) is reviewed, and its preparations (extracts) and constituents, from the general toxicity in animal models to in vitro and cell culture studies, which may elucidate mechanisms of action and explain clinical case reports.
Elizabeth M. Williamson, Thomas Brendler
wiley   +1 more source

Chromosomal radiosensitivity of human immunodeficiency virus positive/negative cervical cancer patients in South Africa [PDF]

open access: yes, 2015
Cervical cancer is the second most common cancer amongst South African women and is the leading cause of cancer-associated mortality in this region. Several international studies on radiation-induced DNA damage in lymphocytes of cervical cancer patients ...
Baeyens, Ans   +8 more
core   +2 more sources

Safety of 12‐Months Administration of Ashwagandha (Withania somnifera) Standardized Root Extract in Healthy Adults: A Prospective, Observational Study

open access: yesPhytotherapy Research, EarlyView.
ABSTRACT Ashwagandha, an adaptogen, is an important herb of Ayurveda used as a Rasayana for its various health benefits. This prospective, multi‐center, observational clinical study evaluates the safety (clinical and laboratory) of a standardized Ashwagandha Root Extract (ARE) on long‐term administration over 12 months. Male and female adults (N = 191)
Jaising Salve   +6 more
wiley   +1 more source

Ecotoxicological Evaluation of Organic Sunscreens Used Worldwide, Alone and in Mixture, on Terrestrial Plants

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT The environmental hazards of sunscreens are discussed worldwide. However, there are few ecotoxicological studies on these compounds alone for edaphic organisms, and none for their mixtures. Avobenzone (1 and 10 ng/L), octocrylene (10 and 100 μg/L), and oxybenzone (2 and 20 μg/L), alone and in binary combinations (between the lowest and the ...
Diego Espirito Santo   +6 more
wiley   +1 more source

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