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Commit 98fac3d2 authored by Camron Blackburn's avatar Camron Blackburn
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Update README.md

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...@@ -68,6 +68,25 @@ Ah - and add in a flowmeter after the second OPC sampler! ...@@ -68,6 +68,25 @@ Ah - and add in a flowmeter after the second OPC sampler!
- andersen sampler?? could be nice to bin different size particles - six-stage viable particle cascade impactor - andersen sampler?? could be nice to bin different size particles - six-stage viable particle cascade impactor
- OPC would be better than andersen sampler - OPC would be better than andersen sampler
# particle counting
### optical particle counter
### fluorescent particle counter
fluorescently labeled microscpheres - https://www.thermofisher.com/order/catalog/product/93470350011150?SID=srch-srp-93470350011150#/93470350011150?SID=srch-srp-93470350011150 \
Measure particles: \
CBA has a plate reader - can return flourescent concentration (not individual particle #) but requries optimization \
or confocal microscope - collect particels in iminger with water solution, let colloidal solution evaporate leaving particles on stage and record particle desnity in an image
### microgram mass comparison of gold particles
test measurement with 100nm gold particles \
from bbi solutions dataseet for 100nm gold particles - mass of 1L of gold is 5.66E-05 g, too small for the analytical balance in BL1 \
also, I tried measuring evaporated solution on a few microscope slides and the slides are not uniform enough to do comparative measurements. \
but can see the particles in the Olympus microscope
![](100nm_gold_particles.jpg)
### Resources ### Resources
[^DIYmask]: University of Cambridge [DIY mask efficacy testing](https://www.researchgate.net/publication/258525804_Testing_the_Efficacy_of_Homemade_Masks_Would_They_Protect_in_an_Influenza_Pandemic) [^DIYmask]: University of Cambridge [DIY mask efficacy testing](https://www.researchgate.net/publication/258525804_Testing_the_Efficacy_of_Homemade_Masks_Would_They_Protect_in_an_Influenza_Pandemic)
[^filterPerformance]: AR Wilkes [The bacterial and viral filtration performance of breathing system filters](https://onlinelibrary.wiley.com/doi/full/10.1046/j.1365-2044.2000.01327.x) [^filterPerformance]: AR Wilkes [The bacterial and viral filtration performance of breathing system filters](https://onlinelibrary.wiley.com/doi/full/10.1046/j.1365-2044.2000.01327.x)
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