Specially designed with gentle sealing ridges, Universal Closures are the ideal all-purpose closure that creates a reliable seal with all membrane grades, types and thicknesses. Available in a variety of colors for easy sample identification.

Autoclavable, Spectra/Por Weighted Closures encase an acid- washed, fluorocarbon coated, stainless steel bar. When applied to bottom end of the dialysis tubing, the Weighted Closure acts like an anchor to maintain a vertical orientation of the sample. The ultimate sample buoyancy and vertical…

Spectrum's Tube-A-Lyzer is a ready-to-use, gentle separation device that combines convenience and disposability with the efficiency of dynamic dialysis to significantly increase the mass transfer rate and reduce the overall dialysis from 1-2 days to 12 hours. This self-contained, disposable device…

pH Limits: 2 to 12 Suggested Temperature Limit: 60°C  Organic Solvent Tolerance: Good Composed of cellulose regenerated from cotton linters, offered in various pore sizes with molecular weight cutoffs (MWCO) ranging from 1,000 to 50,000 Contains glycerol added as a…

Bisector for 5L SpectraFlo™ Dynamic Dialysis Process Scale Systems. Allows 2 membranes to be loaded into a single tank. For membrane ≤ 54mm flat width. Bisector for 7L SpectraFlo™ Dynamic Dialysis Process Scale Systems. Allows 2 membranes to be loaded into a single tank. For…

PharmaPure® tubing with good peristaltic pump head life and is kink resistant. MasterFlex® L/S® 16 tubing, 1/8" ID x 1/4" OD, 10ft. PharmaPure® tubing with good peristaltic pump head life and is kink resistant. MasterFlex® L/S® 17 tubing, 1/4" ID x…

The Pur-A-Lyzer Dialysis Kits are an innovative dialysis tubing that can be conveniently loaded and unloaded using any standard pipette tip while still allowing for 98% sample recovery yield. The revolutionary design of the Pur-A-Lyzer Tube makes it the only dialysis tool which enables true high…

Since Spectra/Por Standard Closures float, they aid in buoyancy and vertical orientation when applied to the tubing top end. Autoclavable and available in a variety of colors for easy sample identification. For use with Spectra/Por Standard Regenerated Cellulose membranes only.

Closure kit includes 5 sets designed for sealing dialysis tubing ≤ 32mm flat width for Lab Scale System. Each set includes 1 hanging closure, 1 top closure and 2 bottom weighted closures. Closure kit includes 5 sets designed for sealing dialysis tubing ≤ 31mm flat width for Process Scale…

SpectraFlo™ Dynamic Dialysis Lab Scale System for single-pass and recircirculation operation. 650ml tank capacity. For dialysis tubing flat widths ≤ 34mm and sample volumes up to 60ml. Includes tank, stand, Pt-cured silicone tubing, connectors and cap. Reservoir and pump sold seperately. …

Only Spectrum offers Biotech grade dialysis membrane for those critical applications requiring stringent MWCO's and membrane purity. Since these synthetic disalysis membranes are made using a process free of heavy metal contaminants and sulfides, they are ultra-pure and require no cleaning or…

Spectrum proudly offers proprietary CellMax hollow fiber membranes for implant technology to provide a TRUE-to-LIFE response for drug screening and cancer research. Perfectly suited for implantation, the modified Polyvinylidene Difluoride (mPVDF) hollow fiber membrane is biocompatible, resistant to…

Tube-O-Reactor™ is a system that allows all the key steps of cross linking, coupling and modification of proteins and/or nucleic acids to be performed in a single tube. This minimizes the risk of sample loss, of experimental time and of hands-on phases. Most of the above reactions involve…

Designed to maximize convenience and efficiency, Spectrum's ready-to-use Micro Float-A-Lyzer is ideal for the diaylysis of very small sample volumes. Available in two volume sizes,100-200 µl and 400-500 µl, the Micro Float-A-Lyzer features Spectrum's proprietary Biotech Grade Cellulose Ester (CE)…

Replacement gasket set for SpectraFlo™ Dynamic Dialysis Lab Scale System. Includes 2 1.5" and 2 3" silicone gaskets. Replacement gasket set for SpectraFlo™ Dynamic Dialysis Process Scale System. Includes 3 1.5" and 2 6" silicone gaskets. Replacement hose barb…

Retains >99% of cytochrome c (M.W. 12,400) in solution over a 10-hour period.

Typical molecular weight cut-off = 14,000.

The Pur-A-Lyzer Dialysis Kits are an innovative dialysis tubing that can be conveniently loaded and unloaded using any standard pipette tip while still allowing for 98% sample recovery yield.The revolutionary design of the Pur-A-Lyzer Tube makes it the only dialysis tool which enables true high…

Dialysis is a popular technique used for the exchange of buffer medium across semi-permeable membranes. Dialysis devices are available in many configurations for research applications. We offer innovative dialysis devices and accessories for processing small samples. Small sample dialysis has…

Storage: 2-8C Application: Cellulose tubing, benzoylated to reduce pore size. Useful for separating compounds with a molecular weight of 2,000.

Retains >99% of cytochrome c (M.W. 12,400) in solution over a 10-hour period.

Synonyms: Dialyzers; High through put dialysis tubing Legal Information: Pur-A-Lyzer is a trademark of Sigma-Aldrich Co. LLC

Typical molecular weight cut-off = 14,000.

KR1 Peristaltic Pump for SpectraFlo™ Dynamic Dialysis Process Scale Systems, 600RPM. Flow range of 0.008 to 480mL/min depending on rpm and tubing size. Compatible with MasterFlex® L/S® 13, 14, 16, 17, 18 and 25. Up to two pump heads can be mounted together. 115-230v universal power…

The Pur-A-Lyzer Dialysis Kits are an innovative dialysis tubing that can be conveniently loaded and unloaded using any standard pipette tip while still allowing for 98% sample recovery yield. The revolutionary design of the Pur-A-Lyzer Tube makes it the only dialysis tool which enables true high…

Spectra/Por ® 1 - 5 Dry Standard RC Dialysis Tubing is packaged dry for handling and storage convenience. Certain tubing is available in 15 m/roll and/or 30 m/roll to provide better economy for applications requiring larger amounts of tubing. Most of the dry tubing rolls contain…

Typical molecular weight cut-off = 14,000.

Typical molecular weight cut-off = 14,000.

Autoclavable, Spectra/Por Weighted Closures encase an acid- washed, fluorocarbon coated, stainless steel bar. When applied to bottom end of the dialysis tubing, the Weighted Closure acts like an anchor to maintain a vertical orientation of the sample.

Spectrum introduces the Spectra/Por® Float-A-Lyzer® G2, the next generation in Ready-to-Use laboratory dialysis devices featuring proprietary Ultra-pure Biotech Cellulose Ester (CE) Membrane available in 9 precise MWCO's with no heavy metal and sulfide contaminants. The cylindrical tubing geometry…

Tube-O-CONCENTRATOR™ is a versatile concentration device that utilizes a novel, water absorbing, liquid polymer and our patented Tube-O-DIALYZER™ for the rapid concentration of dilute protein solutions with zero protein loss. The unique tube design of Tube-O-DIALYZER™ ensures that…