CV< 5% for 1 μm, 2 μm, 5 μm, and 10 μm.
CV< 10% for 100 nm, 300 nm, and 50 μm. 
Roundness > 0.980 for 1 μm, 2 μm, 5 μm, and 10 μm.
Roundness > 0.950 for 100 nm, 300 nm, and 50 μm.
Provided in ethanal for amine-terminated magnetic silica nanospheres below 1 μm. Provided in Milli-Q water for all the rest.
Surface functional group: -OH, -NH2, or -COOH
Concentration available to choose from: 10 - 50 mg/ml (i.e. 1 - 5 % w/v)
Sizes available to choose from:
100 nm, 300 nm, 1 μm, 2 μm, 5 μm, 10 μm, and 50 um
Can be easily surface functionalized and adapted to organic/aqueous solvents