کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4453186 | 1312140 | 2007 | 12 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Generation of C60C60 nanoparticle aerosol in high mass concentrations Generation of C60C60 nanoparticle aerosol in high mass concentrations](/preview/png/4453186.png)
The generation of nanoparticles at concentrations sufficient to perform toxicology studies is highly challenging. The vaporization/condensation technique has successfully been used previously to generate nanoparticle aerosol. However, the maximum mass concentrations generated were low (∼0.180μg/L), and the generation method produced aerosol having a mixed chemical composition. In this study, a new, dynamically operated, nanoparticle generation system has been developed that generates nanoparticles having a count median diameter of 40–60 nm and continuously delivers a mass concentration as high as 2μg/L at the nose exposure port of a nose only exposure system. This system generated nanoparticles by using an inline tube furnace for flash vaporizing micron-sized particles fed continuously from an aerosol generator. This paper describes both the experiments and the operating conditions used for generating nanoparticles to demonstrate the system's capability and the methods used for physicochemical characterization of the resulting nanoparticles.
Journal: Journal of Aerosol Science - Volume 38, Issue 6, June 2007, Pages 592–603