US Patent 10076754 Unitized reagent strip

The embodiments relate to unitized reagent strips for holding and transporting reagents and materials used in automated sample preparation and/or processing for biological and or chemical assays. In some embodiments, a first pipette sheath comprises an aperture pair. The aperture pair includes a first hole and an opposing, second hole. In some embodiments, a first pipette sheath comprises a first pipette tip aperture configured to receive a first pipette tip, and a second pipette sheath comprises a second pipette tip aperture configured to receive a second pipette tip.