THERMAL-CYCLING PIPETTE TIP
A pipette tip and system for aspiration of a biological sample, distribution to a plurality of sample chambers, and thermal cycling in the pipette tip.
1 . A pipette tip for aspiration and thermal-cycling of a biological sample, the pipette tip comprising:
a sample inlet port;
a pipettor interface;
multiple sample chambers, wherein the sample chambers are configured to fit into recesses of a thermal cycling block; and
a sample distribution network, wherein the sample distribution network connects the sample inlet port to the pipettor interface.
2 . The pipette tip of claim 1 , wherein the sample distribution network connects the sample inlet port to each sample chamber via an inlet channel.
3 . The pipette tip of claim 2 , wherein the inlet channel is of uniform size.
4 . The pipette tip of claim 2 , wherein the inlet channel is of variable size.
5 . The pipette tip of claim 4 , wherein the inlet channel comprises a main channel and a branching channel.
6 . The pipette tip of claim 5 , wherein the main channel decreases in size.
7 . The pipette tip of claim 2 , wherein the sample distribution network connects the pipettor interface with each sample chamber via an aspiration channel.
8 . The pipette tip of claim 7 , wherein each aspiration channel comprising at least one of a direct connection and a branched connection.
9 . The pipette tip of claim 1 , wherein the sample chambers comprise a wax layer compartment.
10 . The pipette tip of claim 1 , further comprising multiple sample ports, multiple pipettor interfaces and an array of sample chambers.
11 . The pipette tip of claim 1 , further comprising an optical layer comprising of detection-compatible material, wherein the detection-compatible material aligns with the multiple sample chambers.
12 . A system for thermal cycling of a biological sample, the system comprising:
a pipette tip, the pipette tip comprising:
a sample inlet port;
a pipettor interface;
an optical surface, the optical surface comprising of detection-compatible material;
multiple sample chambers; and
a sample distribution network,
wherein the sample distribution network connects the sample inlet port to the pipettor interface, and
wherein the detection-compatible material aligns with the multiple sample chambers; and
a thermal-cycling instrument, the instrument comprising:
a thermal-cycling block, the block comprising multiple recesses configured to fit the sample chambers;
a lid, wherein the lid comprises sealing contacts configured to align with the sample distribution network and optical openings configured to align with the sample chambers; and
an optical detector configured to align with the optical openings, the detection-compatible material, and the sample chambers.
13 . The system of claim 12 , wherein the sample distribution network comprises an inlet channel and an aspiration channel for each sample chamber.
14 . The system of claim 13 , wherein the lid provides pressure to form a seal in the inlet channel and the aspiration channel.
15 . The system of claim 13 , wherein the lid provides heat to form a seal in the inlet channel and the aspiration channel.
16 . The system of claim 14 , wherein the lid provides heat during the thermal cycling of the biological sample.
17 . The system of claim 12 , wherein the optical surface further comprises multiple lenses aligned to the sample chambers.
18 . The system of claim 12 , wherein the instrument further comprises a pipettor configured to connect to the pipettor interface.
19 . The system of claim 18 , wherein the pipette tip further comprises multiple sample ports, multiple pipettor interfaces, and an array of sample chambers.
20 . The system of claim 12 , wherein the sample chambers further comprise a wax layer compartment.
21 . A system for thermal cycling of a biological sample, the system comprising:
means for storing reagents in a plurality of sample chambers;
means for distributing the sample to the plurality of sample chambers;
means for sealing each of the sample chambers;
means for thermally cycling the biological sample; and
means for detecting the biological sample.