Exact(7)
Total wall losses, inlet sampling efficiency and the distribution of wall losses for each impactor stage were also evaluated.
Two panels with mix R2 and one with mix R1 and R3 were cast for each impactor energy and panel thickness.
Relenza® Rotadisk® (zanamivir) and Diskhaler® was used as a model DPI and sampled into each impactor via its preseparator (PS), at 90 L/min under various protocols.
Preweighed filters from each impactor stage were weighed, photographed, and submitted for extraction and gas chromatography/mass spectrometry (GC/MS) analyses for PAHs.
Filter samples from personal samples and small sections of each impactor substrate were analyzed by a competitive ELISA (Naar et al. 2002) based on the specific activity of the goat anti-PbTx antibody (Trainer and Baden 1991).
Each impactor contains the majority of ambient fine mass (dp < 2.5 microns aerodynamic diameter) in a bleed flow (minor flow) that is 20% of the total flow entering the virtual impactor.
Similar(53)
Each cascade impactor (CI) was fitted with eight 25 mm filters (1/stage).
In each case the impactor was a small (1/8 or 1/4 in) aluminum sphere fired at the meteorite target at ∼5km/s, comparable to the mean collision speed in the main-belt.
After each sample, the impactor will be disinfected.
Each stage of the impactor was calibrated using a gravimetric or counting method and the fully assembled impactor was evaluated by using a fluorometric method.
Each stage of the impactor was coated with silicone prior to analysis in order to minimize particle bounce.
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