Globe Scientific
1000 µL Filter Pipette Tips, Low-Retention Sterile Graduated — Bulk, Racked & GreenRack, 3 Pack Formats | Globe Scientific
1000 µL Filter Pipette Tips, Low-Retention Sterile Graduated — Bulk, Racked & GreenRack, 3 Pack Formats | Globe Scientific
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PosiStop 1000 µL Low-Retention Filter Pipette Tips, Sterile & Graduated — 3 Packaging Formats
The Globe Scientific PosiStop Filter Pipette Tip (1000 µL) delivers aerosol-barrier protection with a low-retention surface for accurate, contamination-controlled liquid handling. These sterile, graduated tips suit demanding workflows such as PCR and qPCR setup, NGS library prep, and serial dilutions where sample carryover and cross-contamination must be minimized.
Technical Specifications
| Product Type | Filter (aerosol barrier) pipette tip |
| Volume/Size | 1000 µL |
| Material | Virgin polypropylene, low-retention surface |
| Closure/Cap | Integrated self-sealing filter barrier |
| Graduation | Graduated |
| Sterility | Sterile |
| Pack Size | Bulk bag of 1000; or 96/rack, 6 racks/box (576/box) |
Available Packagings
| Bulk Bag, Sterile (1000/bag) | 154335S | $129.50 |
| Racked, Sterile (96/rack, 6 racks/box) | 154335RS | $97.30 |
| GreenRack, Sterile (96/rack, 6 racks/box) | 154335ERS | $92.00 |
Applications
- PCR and qPCR reaction setup requiring aerosol-barrier protection
- Next-generation sequencing library preparation
- Serial dilutions and standard curve preparation
- Transfer of viscous or high-value samples needing low retention
- Cell culture media and reagent dispensing under sterile conditions
- Forensic and molecular diagnostic sample handling
Quality & Procurement
Ordered through labsupplies.com, an authorized Globe Scientific dealer shipping from US inventory. Bags and boxes carry lot numbers, supporting traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available on request for volume and standing orders.
Frequently Asked Questions
What does the low-retention surface do?
The low-retention treatment reduces liquid clinging to the tip wall, improving recovery of viscous, surfactant-containing, or high-value samples and yielding more reproducible pipetting.
Are these tips sterile and nuclease-free?
Yes. All three formats ship sterile. PosiStop filter tips are manufactured for molecular workflows where DNase, RNase, and pyrogen contamination must be avoided. Confirm specific certifications on the lot documentation.
How do the racked and GreenRack formats differ?
Both provide 96 tips per rack across 6 racks per box. The GreenRack format (154335ERS) uses a more sustainable rack design while delivering the same tip performance and sterility.
Which pipettes are these tips compatible with?
The 1000 µL PosiStop tips are designed for standard single- and multichannel air-displacement pipettes in the 100–1000 µL range. Verify fit against your specific pipette model before standardizing.
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