Description
Thermo Scientific Nalgene 115 ml Filter and Receiver Unit (0.45 µm PES)
The Thermo Scientific Nalgene 124-0045 is a complete, disposable vacuum filtration system designed for the rapid clarification and bioburden reduction of laboratory fluids. This unit features a 115 ml capacity upper filter funnel and a matching 115 ml receiver bottle, integrated with a high-performance 0.45 µm Polyethersulfone (PES) membrane. The PES membrane is specifically engineered for “fast-flow” applications, providing exceptional throughput and ultra-low protein binding, which ensures maximum recovery of critical sample components. Delivered sterile and individually wrapped, the 124-0045 is an essential tool for laboratories processing small volumes of cell culture reagents, buffers, and protein-rich solutions where efficiency and sample integrity are non-negotiable.
Technical Performance and Design
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Fast-Flow PES Membrane: The 0.45 µm Polyethersulfone media offers significantly higher flow rates than cellulose acetate or nylon, allowing for rapid filtration of aqueous solutions with minimal clogging.
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Low Protein Binding: The membrane’s hydrophilic chemistry minimizes the non-specific adsorption of proteins, enzymes, and growth factors, making it ideal for the filtration of serum and media supplements.
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Secure Receiver Storage: The receiver bottle features an ergonomic shape and a leak-proof screw cap, allowing the filtered filtrate to be stored in the same vessel used for filtration, reducing the risk of contamination.
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Vacuum Port Integration: Features a standardized quick-disconnect vacuum port with a high-efficiency cellulose plug to prevent contamination of the vacuum line during operation.
Product Specifications
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Catalog Number: 124-0045
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Total Capacity: 115 ml (Upper Funnel and Receiver Bottle)
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Membrane Material: Polyethersulfone (PES)
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Pore Size: 0.45 µm
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Membrane Diameter: 50 mm
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Sterility: Sterile (Gamma Irradiated)
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Purity: Certified Non-Pyrogenic and DNase/RNase Free.
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Packaging: Individually wrapped (Case of 12).
Key Benefits & Applications
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Buffer Clarification: The primary choice for removing particulates and precipitates from laboratory stock solutions and biological buffers.
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Media Supplement Preparation: Perfect for the filtration of heat-sensitive additives and small batches of specialized cell culture media.
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Protein Purification: Used as a final clarification step for protein preparations prior to downstream analytical chromatography.
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Space-Saving Design: The 115 ml size is optimized for small-scale benchtop research, reducing plastic waste when large-volume filtration units are unnecessary.
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