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| Product Name | Filter Pipette Tips, 200 uL, Sterile |
| Catalog No. | IGM-HMM-0038 |
| Description | 200 uL aerosol barrier pipette tips with polyethylene filter element for contamination-sensitive liquid handling workflows. Gamma sterilized and individually certified for the absence of nucleases and PCR inhibitors. |
| Intended Use | Safe pipetting of biological samples, nucleic acid templates, and PCR reagents where cross-contamination prevention is essential for result integrity in molecular diagnostics and research. |
| Principle / Technology | Hydrophobic filter plug positioned in the tip proximal end blocks aerosol transmission during aspiration and dispensing cycles. The filter pore matrix captures droplets and particles while maintaining laminar airflow for accurate volume delivery. |
| Detection Method | Filter barrier integrity by aerosolized fluorescein challenge; nuclease activity by fluorogenic substrate assay; sterility to USP <71> |
| Sample Type | cDNA templates, plasmid DNA, PCR reaction components, cell lysates, viral transport media, clinical specimens |
| Performance Range / Specifications | Volume accuracy +/- 1.5% at 200 uL; filter breakthrough pressure >0.5 bar; aerosol retention >99.95% |
| Sensitivity / LOD | DNase detection limit <0.1 pg/uL; RNase <0.01 ng/mL equivalent; endotoxin <0.01 EU/uL |
| Specificity | No cross-reactivity with Taq polymerase or reverse transcriptase activity in functional enzyme assay |
| Reaction Conditions / Protocol | Use standard forward pipetting technique; the filter stays in place during normal operation and must not be removed. |
| Components / Formulation | Virgin polypropylene body, UHMW-PE sintered filter element, no additives or release agents |
| Storage Conditions | 15-30 C, upright rack storage to maintain filter position integrity |
| Shelf Life | 60 months from date of manufacture |
| Package Specifications | 96 tips per rack box, 5 racks per case; 10 racks per case for high-volume users |
| Product Form | Pre-racked sterile tips with integrated aerosol filter in sealed packaging |
| Quality Control | 100% automated filter presence detection; pressure decay filter seal test per rack; lot qualification includes nuclease panel and PCR functionality test |
| Key Features | Certified PCR-clean; prevents pipette internal contamination; universal fit with most 200 uL pipettors; autoclave-compatible option available |
| Purity | Sterile, SAL 10^-6; certified PCR-clean (free of human DNA, DNase, RNase); pyrogen tested |
| Concentration | N/A |
| Activity / Unit Definition | N/A |
| Molecular Weight | N/A |
| Source / Origin | Manufactured from FDA-compliant polypropylene; filter media sourced from medical-grade UHMW-PE |
| pH Range / Optimal pH | Inert across pH 1-14 aqueous range; no detectable leachables at extremes of pH |
| Shipping Conditions | Ambient shipment; rack boxes packed in corrugated master cartons with internal cushioning |
| Expiration Date / Stability | 5 years under recommended storage; sterility maintained while outer packaging remains intact |
| Regulatory / Compliance | CE IVD compliant; ISO 13485:2016 QMS; FDA 21 CFR 820; compliant with EN ISO 8655 |
| Compatibility | Universal tip design fits all standard 200 uL single and multichannel pipettors; compatible with automated platforms with SBS-format tip racks |
| Recommended Buffer System | Suitable for use with all molecular biology-grade buffers; no buffer component interference detected across 20 tested formulations |
| Application Notes / Precautions | For aerosol-sensitive applications, confirm filter is in place before use; do not remove filter plug under any circumstances; use dedicated filter tips for each sample in PCR setup |
| Batch-to-Batch Consistency | Tip ID tolerance +/- 0.03 mm; filter density +/- 3% across production lots; quarterly external nuclease certification |
For research use only, not for clinical use.
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