active pollutant in the environment. People can be exposed to benzene from tobacco smoke, car emissions, and automobile exhaust. Workers in industrial sites are exposed to high levels of benzene more than any other category of people. Benzene goes by other names, most of which are summarized ...
However, the mechanisms by which it increases the risk of carcinogenesis are only partially understood. Aberrant DNA methylation is a major epigenetic mechanism associated with the toxicity of carcinogens. To understand the carcinogenic capacity of benzene, experiments were designed to investigate whether ...
Benzene was not detected or was below the limit of quantification in an additional 45 lots from 23 different brands. Valisure noted that benzene in these products was particularly concerning because the products are used indoors, where benzene can linger and be inhaled for long periods. The lab ...
Diazoaminobenzene has been identified as a low-level contaminant in the dyes D&C red no. 33, FD&C yellow no. 5 (tartrazine), and FD&C yellow no. 6; all three are permitted for use in drugs and cosmetics, and the latter two are permitted in food (FDA 2010). View all General ...
A 46% incidence of lung adenoma was particularly striking in these mice. Neither of the benzene exposure protocols induced elevated incidences of leukemia/lymphoma in either strain. These studies demonstrate that discontinuous exposures to benzene are tumorigenic and that a lifetime exposure to benzene...
The direct upstream of styrene is benzene and ethylene, and the downstream is relatively scattered. The main products involved are expanded polystyrene, polystyrene, ABS resin, synthetic rubber, unsaturated polyester resin and styrene copolymer. The terminal is mainly used in plastic and synthetic ...
of carboxylic acids). These reactions generate heat. Peroxides convert nitriles to amides. Nitriles can react vigorously with reducing agents. Acetonitrile and propionitrile are soluble in water, but nitriles higher than propionitrile have low aqueous solubility. They are also insoluble in aqueous ...
chromosome 6p25; its gene product uses dihydronicotinamide riboside (NRH) instead of NAD(P)H as its electron donor.8 Both NQO1 and NQO2 are induced by oxidative stress, dioxin, and polycyclic aromatic hydrocarbons such as those found in combustion processes (e.g., cigarette smoke, urban smog...
See Section 10 for information on Incompatibilities. Section 8 - Exposure Controls / Personal Protection Exposure Guidelines A: General Product Information Refer to published exposure limits - use effective control measures and PPE to maintain worker exposure to concentrations that are below these ...
On-load tap changers (OLTC) are some of the main transformer elements that make voltage adjustment in a power network possible. Their failures often cause ... PJ Boogaard,SM Arnold,MF Hughes,... - 《Toxicology Letters》 被引量: 2发表: 2011年 Network Analysis of Biomarkers Associated with...