Microdeposition system for a biosensor
AssigneeBayer HealthCare LLC
InventorHuan-Ping Wu
Life of this patent
Estimating the term…
Abstract
A microdeposition pin having a contact surface with at least one concave edge for creating microarrays and the like. The microdeposition pin may be used either alone or with a plurality of microdeposition pins in conjunction with a holder. The concave edge of the pin is especially adapted for helping to control the spreading of a deposited material. By selectively controlling the spread of the reagent composition from the microdeposition pin, the flow of the reagent composition from the deposition target area may be reduced. Sensor strips having raised substrate features with limited or no spreading of the reagent composition beyond the target area are disclosed.
Claims25
1-14. (canceled)
A biosensor, comprising:
- a substrate having at least one raised feature;
- and
- at least one reagent composition deposition on the raised feature, the deposition including an active biomolecule having a weight average molecular weight from about 10,000 to about 500,000, where the spread of the reagent composition beyond the raised feature is at most 0.3 mm.
16-19. (canceled)
22-23. (canceled)
39-40. (canceled)
A method for creating a biosensor comprising:
- dipping the contact surface of at least one microdeposition pin into reagent composition;
- contacting a substrate with the at least one pin;
- and
- depositing at least a portion of the reagent composition from the at least one pin to the substrate to form a substrate deposition, the substrate deposition having at least one substantially straight edge.
(canceled)
Dependencies are inferred from the claim text.