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## Main Question or Discussion Point

Hello,

I am currently working with magnetic nanoparticles that aggregate and can be measured on the micro scale. Part of the project involves measuring their velocity as it move through vrious liquids. My current set up is simply timing their distance traveled. Does anyone know of a more precise way of measuring this?

Thank you

I am currently working with magnetic nanoparticles that aggregate and can be measured on the micro scale. Part of the project involves measuring their velocity as it move through vrious liquids. My current set up is simply timing their distance traveled. Does anyone know of a more precise way of measuring this?

Thank you