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A low retention pipette tip works well with viscous and low-surface-tension liquids. Viscous (e.g., glycerol) and low-surface-tension liquids (e.g., isopropyl alcohol) adhere to the inside of standard pipette tips, increasing experimental uncertainty. The unique Rainin molding process creates tips with a highly repellent coating – a “superhydrophobic” surface over the entire tip. This prevents any adhesion between samples and the polypropylene tip surface, facilitating enhanced fluid movement.
Pipette Tips RC LTS 20µL L 1000A/1
Bulk tips, 20 μL max. volume, for Rainin 2, 10 and 20 μL pipettes with LTS™ LiteTouch™, low retention, 1000 tips in bags (RC-L10LR).
Pipette Tips RC LTS 250µL L 1000A/1
Bulk tips, 250 μL max. volume, for Rainin pipettes with LTS™ LiteTouch™, low retention, 1000 tips in bags (RC-L250LR).
Pipette Tips RC LTS 1000µL L 1000A/1
Bulk tips, 1000 μL max. volume, for Rainin pipettes with LTS™ LiteTouch™, low retention, 1000 tips in bags (RC-L1000LR).
Pipette Tips LQR LTS 20µL LS 960/10
Racked tips, 20 μL max. volume, for Liquidator™ 96 bench-top pipettor with LTS™, low retention, pre-sterilized, 960 tips in 10 racks of 96 (LQR-20SLR).
Pipette Tips LQR LTS 20µL FL 960/10
Racked tips, 20 μL max. volume, for Liquidator™ 96 bench-top pipettor with LTS™, low retention, pre-sterilized, filter, 960 tips in 10 racks of 96 (LQR-20FLR).
The super-repellent surface of Rainin LR tips "normalizes" the flow characteristics of fluids with diverse compositions and physical characteristics (viscosities, surface tension, density, hydrophobicity, etc.). The result: enhanced pipetting accuracy across a broader range of sample types. Rainin LR tips provide greater peace of mind and better data fidelity when pipetting.
We employ a unique molding process to produce tips with a uniform field of highly-repellent fluoropolymer molecules that form an impenetrable “superhydrophobic” surface. The result: liquids and molecules are suspended above the polypropylene tip surface, allowing difficult liquids to glide effortlessly in and out of the tip.
The uniform repellent fluoropolymer "field" on the surface of Rainin LR tips prevents any interaction between the sample and the polypropylene tip surface. In this short video, a propylene glycol-based food colorant demonstrates how Rainin LR low retention tips eliminate sheeting activity. By dramatically reducing the retained sample after dispensing, Rainin LR Tips eliminate a major source of pipetting inaccuracy.
FinePoint tips taper to a fine orifice diameter. Their slender design, in combination with thin, flexible walls, creates an exceptionally supple tip that assists in sample touch-off. The narrow orifice aperture and thin wall surrounding the orifice provides minimal surface area for residual sample to adhere to during sample dispensing.
More common manufacturing methods, such as dipping or tumbling tips in a fluoropolymer bath, can produce tips with incomplete and uneven coatings that can adversely affect pipetting accuracy. In addition, tips made with "diamond polished" molds – often touted as low retention – do nothing to prevent samples from reacting with the polypropylene and binding to the tip surface.
Pipette preventive maintenance and calibration service significantly reduces costs, risks, and liabilities associated with out of calibration pipettes. Read more
Take control of your pipette inventory with SmartStand, SmartCheck™, and PipetteX™ software. Read more
Let our tip finder show you all of your Rainin tip options for your brand and model of pipette. Read more
The ShopRainin USA Pipette Tip catalog contains information on all tip products, with a greater level of detail and explanations. Read more