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US 7,681,465 B2Granted
Method to protect the integrity of small analytical samples
OwnerGeorge Mismas, Anthony Calderoniinventors
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Abstract
This invention provides a method to protect an analytical sample from being diluted or otherwise contaminated during the analytical procedure.
Claims2
A method of removing an exact liquid sample from a sample holding tube by placing a rigid plate having holes therein which are sealed by a Teflon type material which material can be pierced by a pipette tip held in place by an analytical instrument, and
- a. that pipette tip is lowered into the sample tube and withdraws an exact sized liquid sample and
- b. the pipette is slowly removed from the sample tube as the Teflon like material thoroughly removes any liquid residue from the pipette and
- c. the pipette tip can then be moved to an analytical tube for processing.
Dependencies are inferred from the claim text.