Table 1 Detailed experimental parameters for the matrices used.

From: Advancing the science of dynamic airborne nanosized particles using Nano-DIHM

Sample matrix

SSD (mm)

Flow rate (L/min)

Hologram size (pixels)

Camera pixel size (µm)

PSL (air)a

5

1.7, 0.7

2048 × 2048

5.5

Snow meltwater (air)

5

1.7, 0.7

2048 × 2048

5.5

Ambient air

5

1.7, 0.7

2048 × 2048

5.5

Snow meltwater

5

Stationary

2048 × 2048

5.5

PSL (liquid)b

5

Stationary

2048 × 2048

5.5

100-Fold PSL (liquid)c

5

Stationary

2048 × 2048

5.5

PSL + iron oxide (liquid)

5

Stationary

2048 × 2048

5.5

Glycerin + oil (liquid)d

5

Stationary

2048 × 2048

5.5

Zinc oxide (powder)

5

Stationary

2048 × 2048

5.5

Iron oxide (powder)

5

Stationary

2048 × 2048

5.5

  1. aBoth 100 nm and 200 nm PSL spheres aerosolized (see ‘Methods’ section) and analysed by Nano-DIHM.
  2. bThe original colloid solution of PSL spheres (100 nm and 200 nm).
  3. c100 µL of the original colloid solution of the PSL spheres mixed with 10 mL of Milli-Q water.
  4. d100 μl of glycerin in 1 ml of type F microscope oil.