{"product_id":"globe-tip-154335","title":"1000 µL Filter Pipette Tips, Low-Retention Sterile Graduated — Bulk, Racked \u0026 GreenRack, 3 Pack Formats | Globe Scientific","description":"\u003ch2\u003ePosiStop 1000 µL Low-Retention Filter Pipette Tips, Sterile \u0026amp; Graduated — 3 Packaging Formats\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGlobe Scientific PosiStop Filter Pipette Tip (1000 µL)\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFilter (aerosol barrier) pipette tip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e1000 µL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eVirgin polypropylene, low-retention surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eIntegrated self-sealing filter barrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation\u003c\/td\u003e\n\u003ctd\u003eGraduated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eSterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003eBulk bag of 1000; or 96\/rack, 6 racks\/box (576\/box)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Packagings\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBulk Bag, Sterile (1000\/bag)\u003c\/td\u003e\n\u003ctd\u003e154335S\u003c\/td\u003e\n\u003ctd\u003e$129.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRacked, Sterile (96\/rack, 6 racks\/box)\u003c\/td\u003e\n\u003ctd\u003e154335RS\u003c\/td\u003e\n\u003ctd\u003e$97.30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGreenRack, Sterile (96\/rack, 6 racks\/box)\u003c\/td\u003e\n\u003ctd\u003e154335ERS\u003c\/td\u003e\n\u003ctd\u003e$92.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePCR and qPCR reaction setup requiring aerosol-barrier protection\u003c\/li\u003e\n\u003cli\u003eNext-generation sequencing library preparation\u003c\/li\u003e\n\u003cli\u003eSerial dilutions and standard curve preparation\u003c\/li\u003e\n\u003cli\u003eTransfer of viscous or high-value samples needing low retention\u003c\/li\u003e\n\u003cli\u003eCell culture media and reagent dispensing under sterile conditions\u003c\/li\u003e\n\u003cli\u003eForensic and molecular diagnostic sample handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eOrdered 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.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat does the low-retention surface do?\u003c\/h3\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003ch3\u003eAre these tips sterile and nuclease-free?\u003c\/h3\u003e\n\u003cp\u003eYes. 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.\u003c\/p\u003e\n\u003ch3\u003eHow do the racked and GreenRack formats differ?\u003c\/h3\u003e\n\u003cp\u003eBoth 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.\u003c\/p\u003e\n\u003ch3\u003eWhich pipettes are these tips compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Globe Scientific PosiStop 1000 µL Low-Retention Filter Pipette Tips, Sterile\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"description\": \"Sterile, graduated, low-retention 1000 µL filter pipette tips for PCR, qPCR, and NGS workflows. 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