Provided in part herein are static-defeating apparatus for use in multipipettor systems. Multiple pipette tips can be retained by a static-defeating sheet of material. A multipipettor, having multiple pipettes or nozzles, can engage the pipette tips retained by the sheet. After use, the multipipetto
Provided in part herein are static-defeating apparatus for use in multipipettor systems. Multiple pipette tips can be retained by a static-defeating sheet of material. A multipipettor, having multiple pipettes or nozzles, can engage the pipette tips retained by the sheet. After use, the multipipettor can eject the pipette tips, which sometimes are ejected as a single unit due to the pipette tips being retained by the sheet. In certain embodiments, an apparatus includes a snap plate having one or more holes, and a base rack for ease of mounting.
대표청구항▼
1. A pipette tip tray, comprising: a rack;a pipette tip receptacle plate affixed to the rack, wherein the pipette tip receptacle plate comprises an array of holes, a top surface and a bottom surface;an array of pipette tips, wherein: each pipette tip in the array of pipette tips is positioned in a h
1. A pipette tip tray, comprising: a rack;a pipette tip receptacle plate affixed to the rack, wherein the pipette tip receptacle plate comprises an array of holes, a top surface and a bottom surface;an array of pipette tips, wherein: each pipette tip in the array of pipette tips is positioned in a hole in the array of holes of the pipette tip receptacle plate, andeach pipette tip in the array of pipette tips comprises an exterior wall, a proximal opening, and a proximal terminus; anda sheet comprising a first surface, a second surface and an array of holes, wherein: each hole in the array of holes in the sheet is concentric with a hole in the array of holes in the pipette tip receptacle plate, anda portion on the second surface of the sheet around each hole in the array of holes in the sheet is adhered by an adhesive to the proximal terminus of a pipette tip in the array of pipette tips. 2. The pipette tip tray of claim 1, wherein the center of each proximal opening of each pipette tip in the array of pipette tips is concentric with the center of a hole in the array of holes in the sheet. 3. The pipette tip tray of claim 1, wherein the adhesive is chosen from a cement or glue. 4. The pipette tip tray of claim 2, wherein each the proximal opening of each pipette tip in the array of pipette tips and each of hole in the array of holes in the sheet is circular. 5. The pipette tip tray of claim 4, wherein the difference between (a) the diameter or the effective diameter of each hole in the array of holes in the sheet, and (b) the proximal opening diameter of each pipette tip in the array of pipette tips, is about 0.01 inches or less. 6. The pipette tip tray of claim 5, wherein the difference is about 0.003 inches or less. 7. The pipette tip tray of claim 6, wherein the difference is about 0.001 inches or less. 8. The pipette tip tray of claim 1, wherein: the sheet comprises a thickness at one or more holes, andthe thickness is about 0.0001 inches to about 0.25 inches. 9. The pipette tip tray of claim 8, wherein the thickness of the sheet is a uniform thickness. 10. The pipette tip tray of claim 9, wherein: the pipette tip receptacle plate comprises a uniform thickness, the thickness of the sheet is less than the thickness of the pipette tip receptacle plate; and the sheet is flexible relative to the pipette tip receptacle plate. 11. The pipette tip tray of claim 10, wherein the sheet comprises a polymer. 12. The pipette tip tray of claim 11, wherein the sheet comprises one or more materials chosen from low density polyethylene (LDPE), high-density polyethylene (HDPE), polypropylene (PP), high impact polystyrene (HIPS), polyvinyl chloride (PVC), amorphous polyethylene terephthalate (APET), polycarbonate (PC), polyethylene, a metal and aluminum. 13. The pipette tip tray of claim 1, wherein: the sheet comprises,the voids comprise edges, andthe edges of the voids do not contact a pipette tip in the array of pipette tips. 14. The pipette tip tray of claim 1, wherein each pipette tip in the array of pipette tips comprises a polymer. 15. The pipette tip tray of claim 14, wherein the polymer comprises polypropylene. 16. The pipette tip tray of claim 9, wherein the thickness is about 0.005 inches to about 0.015 inches. 17. The pipette tip tray of claim 16, wherein: the pipette tip receptacle plate comprises a uniform thickness, the thickness of the sheet is less than the thickness of the pipette tip receptacle plate; and the sheet is flexible relative to the pipette tip receptacle plate. 18. A method for dispensing fluid, comprising: (a) engaging nozzles of a pipette tip dispensing device with pipette tips in the array of pipette tips in the pipette tip tray of claim 1; and(b) drawing fluid into, and/or dispensing fluid from, the pipette tips in engagement with the nozzles, wherein the pipette tips in the array of pipette tips in engagement with nozzles are adhered to the sheet. 19. The method of claim 18, further comprising: (c) ejecting the pipette tips in the array of pipette tips from the nozzles of the pipette tip dispensing device, wherein the pipette tips in the array of pipette tips are adhered to the sheet after ejection from the nozzles.
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