Search results - 8 results

Genotoxicity evaluation of nanosized titanium dioxide, synthetic amorphous silica and multi-walled carbon nanotubes in human lymphocytes.

metabolic activation), we observed significant increases in the frequencies of micronucleated binucleated cells (MNBC s) for some TiO2 NM s and for two MWCNT s, although no clear dose-response relationships ...

Distribution, elimination, and toxicity of silver nanoparticles and silver ions in rats after 28-day oral exposure.

Administration, Oral Animals Ions Male Metabolic Clearance Rate Metal Nanoparticles Organ Specificity rats Rats, Sprague-Dawley Silver Tissue Distribution Abstract: We report the results of a 28-day oral exposure ...

Brucellosis at the animal/ecosystem/human interface at the beginning of the 21st century.

journey, are still largely unknown. Metabolism and virulence of Brucella are now considered to be two sides of the same coin. Mechanisms presiding to the colonization of the pregnant uterus in different ...

Heterozygous inactivation of the Na/Ca exchanger increases glucose-induced insulin release, β-cell proliferation, and mass.

NCX1. RESEARCH DESIGN AND METHODS: Biologic and morphologic methods (Ca(2+) imaging, Ca(2+) uptake, glucose metabolism, insulin release, and point counting morphometry) were used to assess β-cell function ...

Elucidation of the metabolic pathway of fluorene and cometabolic pathways of phenanthrene, fluoranthene, anthracene and dibenzothiophene by Sphingomonas sp. LB126.

Phthalic Acids Polycyclic Aromatic Hydrocarbons Soil Microbiology Sphingomonas Thiophenes Abstract: The metabolic pathway of the PAH fluorene and the cometabolic pathway of the PAH s phenanthrene, ...

Tetraponera ants have gut symbionts related to nitrogen-fixing root-nodule bacteria.

The organ is surrounded by a network of intruding tracheae and Malpighian tubules, suggesting that these bacteria are involved in the oxidative recycling of nitrogen-rich metabolic waste. We have ...

Corynebacterium simulans sp. nov., a non-lipophilic, fermentative Corynebacterium.

Techniques Carbohydrate Metabolism Corynebacterium Corynebacterium Infections DNA, Bacterial DNA, Ribosomal Fermentation Humans Lipid Metabolism Microbial Sensitivity Tests Molecular Sequence Data Phylogeny ...

Dietary silver nanoparticles can disturb the gut microbiota in mice.

metabolic and inflammatory diseases, such as obesity. It also highlights that Ag NP aging in food, and more specifically sulfidation, can reduce the effects of Ag NP on the microbiota by limiting the release ...

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