Liquid Handling

Pipette Tips and Filter TipsConsistently high qualityPipette tips and filter tips are the most frequentlyused disposables in the laboratory.As processing methods have become increasinglysensitive, the requirements forthese disposable items have changed significantlyover the years. Starting with the rawmaterials, here PP, to the tools used and thequality tests carried out, a lot of parametersneed to be considered to meet the higheststandards both in research and standardizedapplications.For the manufacture of pipette tips and filter tips, BRAND exclusivelyuses raw materials that are free from the additivesdi(2-hydroxyethyl)methyldodecylammonium (DiHEMDA) and9-octadecenamide (oleamide). Both of these additives are frequentlyfound in PP granules, and can interfere with biologicaltests, leading to spurious results. Only highly polished toolingequipment is used, so that no parting agents or demolding aidsare needed.Liquid HandlingNEW!New packaging optionsIn order to guarantee the high quality ofour products, from manufacturing throughpackaging and all the way to the laboratory,BRAND has also optimized the packagingoptions to comply with the new requirements.Even the primary packaging for the new systems,such as the PET outer packaging forthe new TipRacks (refill units) and the spacersfor the new TipStacks, are produced undercleanroom conditions, which guaranteesthe high purity of the products.All pipette tips and filter tips up to1000 μl are now free from DNA,RNases, endotoxins and ATP, independentof the packaging formats.Sterile tips and packagingare manufactured exclusively underBIO-CERT ® quality certification. (fordetailed information see page 118).Cleanroom techniqueBRAND disposable items for the life sciencesare produced using the most advancedcleanroom techniques in one of the world'slargest cleanrooms for laboratory disposableitems.The ongoing cleanroom monitoring includescontinuous measurements of air particulates,positive air pressure, air exchange rate,room temperature, and the relative humidity,among other things. This ensures thatthe actual parameters can immediately bechecked against the nominal values. Deviationsare detected immediately, and suitablecountermeasures can be taken before thelimit values are exceeded.The high-precision control of environmentalconditions provides a very high degree ofstability in the corresponding parameters,especially the room temperature. This uniformity,together with quality testing of thefinal product by batch, guaranteesthe consistently high quality in the lifescience products from BRAND.For the production of disposableitems, Class 8, 7, and 5 cleanroomsare available, all validated accordingto ISO 14 644-1. Compliance withISO 14 644-1 is certified by external,independent auditors.www.brand.de69