Microslit Membranes

Slit Width [W] (µm)	0.5 µm	1.0 µm	2.0 µm	4.0 µm	8.0 µm
Slit Length [L] (µm)	50	50	50	50	50
Single Slit Area (µm²)	25	50	100	200	400
Length Spacing [△₁] (µm)	8.5	8.5	10	10	10
Width Spacing [△₂] (µm)	3.75	8.5	8	16	32
Thickness [t] (µm)	0.4	0.4	0.4	0.4	0.4
Number of Columns	10	10	10	10	10
Number of Rows	682	305	290	145	73
Total Number of Slits / Slot	6820	3050	2900	1450	730
Total Number of Slits / Chip	20460	9150	8700	4350	2190
Porosity (%)	10.06	9.00	16.67	16.67	16.67
Total Open Area / Chip (µm²)	511500	457500	870000	870000	876000

Bead Capture Capacities*

Slit Width [W] (µm)	0.5 µm	1.0 µm	2.0 µm	2.0 µm (3 µm beads)	4.0 µm	8.0 µm	8.0 µm (10 µm beads)
Total Number of Slits / Chip	20460	9150	8700	8700	4350	2190	2190
Pore Length (µm)	50	50	50	50	50	50	50
Total Number of Beads / Pore	100.0	50.0	25.0	16.0	12.0	6.0	5.0
Total Number of Beads / Chip	2046000	457500	217500	139200	52200	13140	10950

* Unless indicated, the capacities are calculated for spherical beads of the same size as the pore width.