… a low-cost particle counter into a system to measure the particle mass could potentially
provide a portable device to accurately estimate the fine particle mass in a wide range of settings. …

… fine particulate matter (PM) mass. For example, combustion systems emit vapors that condense
onto existing particles or form new particles … large portion of the PM mass emitted by most …

… These data indicate decreases in both fine particle mass and elemental carbon (EC) over
wide areas of the United States, in places by more than 50 %. Trends in EC in the US at single …

… Travelers’ real-time exposure to fine particles is assessed in terms of particle mass and …
the mass and number metrics of fine particles. Comparisons of exposure levels to fine particles …

… In two-pollutant models, associations of ultrafine and fine particles seemed to be largely …
both fine particles (represented by particle mass) and ultrafine particles (represented by particle …

… Nevertheless, this study provides a unique opportunity to examine I/O ratios of particle mass,
particle number and BS in the absence of any known indoor aerosol sources and under well…

… Low-cost sensors for the measurement of fine particulate matter mass (PM 2.5 ) enable …
hygroscopic growth using particle composition and corrects for particle mass below the optical …

… to the fine particulate matter (PM2.5) size fraction under dry conditions. Most PM2.5 particles
have diameters … Particles larger than 2.5 m tend to scatter light less uniformly than smaller …

Community time-series epidemiology typically uses either 24-hour integrated particulate
matter (PM) concentrations averaged across several monitors in a city or data obtained at a …

… , parameterizing SOA formation with the aerosol mass fraction. Other organic and inorganic
… total fine particles for a subset of the results (eg, >47% of indoor organic and >30% of fine …