نتایج جستجو برای: polycyclic aromatic hydrocarbon
تعداد نتایج: 60684 فیلتر نتایج به سال:
Introduction. The evidence about the association between asthma and outdoor environmental factors has been inadequate for certain allergens. Even less is known about how these associations vary across seasons and climate regions. We reviewed recent literature from North America for research related to outdoor environmental factors and pediatric asthma, with attention to spatial-temporal variati...
C57BL/6J (B6) and DBA/2J (D2) mice have different susceptibilities to developmental toxicity and transplacental carcinogenesis induced by in utero exposure to polycyclic aromatic hydrocarbons, which has been associated with polycyclic aromatic hydrocarbon metabolism and inducibility at the Ah locus. The distribution of total 3-methylcholanthrene (3-MC)-associated radioactivity in maternal, plac...
The EmhABC efflux system in Pseudomonas fluorescens cLP6a is homologous to the multidrug and solvent efflux systems belonging to the resistance-nodulation-division (RND) family and is responsible for polycyclic aromatic hydrocarbon transport, antibiotic resistance, and toluene efflux. To gain a better understanding of substrate transport in RND efflux pumps, the EmhB pump was subjected to mutat...
We have developed an improved method for the analysis of human urine for 1-hydroxypyrene (1-HOP), an accepted biomarker of polycyclic aromatic hydrocarbon uptake. This method takes advantage of commercially available 96-well format devices, which expedite sample preparation before quantitation by HPLC with fluorescence detection. In addition to improved speed of analysis, which is critical for ...
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