Multi-purpose dialysis tubing with more MWCO's available. Pre-treated tubing is ready- to-use, not requiring soaking to remove glycerol. Spectra/Por 7 is also pre-treated to minimize trace levels of heavy metals & sulfides.

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…

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…

Ideal for small volume dialysis or evaluation of membrane for an application, multi-purpose standard Regenerated Cellulose (RC) tubing is now available in 5 m length trial kits with a pair of tubing closures.

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…

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.

Because Standard Regenerated Cellulose (RC) is composed of natural cellulose regenerated from cotton linters, these membranes are perfectly suited for a broad range of laboratory dialysis. This clear and flexible membrane type with a symmetric porosity is economical and sturdy, ideal for desalting,…

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…

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…

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

Eliminates tying knots One piece, autoclavable, polypropylene devices Locks over the ends of tubing to form a strong leakproof seal For best results, choose a closure that is 4 to 10 mm longer than the flat width of the tubing These liquid-tight closures are available in six…

Designed for the general dialysis of larger sample volumes, the Ready-to-Use Sack consists of a 60 cm length of Spectra/Por 1, 2, 3 or 4 tubing, sealed at one end with a Spectra/Por Closure and a funnel attached to the other for easy filling. Simply fill, apply closure & cut.

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.

Pre-cut membrane discs for use with Spectra/Por MacroDialyzers. Cut square membrane sheets to use as needed for a variety of dialysis equipment.

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…

Implantation of individual micro-dialysis hollow fibers are ideal for the recovery or introduction of micro-quantity biologicals or pharmaceutical materials in a localized tissue environment. After injecting sample into the lumen with a syringe, simply dip the ends of the fiber in epoxy to seal,…

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…

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)…

Cellulose tubing; will retain proteins with M.W. > 12,000 Da Inflated diam. approx. 16 mm (0.64 in.); pre-cut; open ended; dry, unwashed; approx. length = 30 cm (12 in.)

The Spectra/Por Dialysis Kit features Biotech Grade Regenerated Cellulose (RC) dialysis tubing in 3 different MWCO's and all the accessories required for a complete dialysis package. Instead of guessing the MWCO, the Membrane Kit is the perfect solution for dialysis applications in which there…

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.

These polystyrene cylindrical reservoirs provide the optimum environment for laboratory dialysis. The included stir-bar creates a vortex that draws the dialysis tubing or Ready-to-Use Dialysis Device (RDD) into the center, maximizing dialysis efficiency.

Dialysis Processing Reservoir, 10L capacity, polypropylene with 4 port dip tube and drain. For single-pass and recirculation system operation. Includes reservoir, gaskets, sanitary clamps and hose barb adaptors for MasterFlex® L/S® 16, 17 and 73 tubing. Dialysis Processing Reservoir, 20L…

Ideal for small volume dialysis or evaluation of membrane for an application, biotech grade Cellulose Ester (CE) & Regenerated Cellulose (RC) tubing is now available in 1 m & 0.5m length trial kits respectively with a pair of tubing closures.

Tanks for SpectraFlo™ Dynamic Dialysis Mobile System for single-pass and recirculation operation. Includes 5L tank, cap, reducer and connectors. Reservoir, pump tubing and pump sold seperately. Tanks for SpectraFlo™ Dynamic Dialysis Mobile System for single-pass and recirculation…

Cap Kit attaches to the top of the SpectraFlo™ Process Scale System and Mobile System tanks to create a seal and minimize contamination. Kit includes clamp, gasket, cap, MasterFlex® L/S® 17 Pt-cured silicone tubing and hose barb adapter for connecting multiple tanks in series. Tank…

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. …

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 centrifuge adapter is designed for centrifugation of Medi and Micro Tube-O-DIALYZER ™ in a bench top centrifuge. The centrifuge adapter is required for 100% sample recovery by centrifugation of the Tube-O-DIALYZER ™ system.

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…

Tube-O-Array ™ is specifically designed for multiple dialysis equilibrations of different samples in different buffers with Tube-O-DIALYZER ™ . Tube-O-Array ™ is a low cost system that allows for the rapid equilibration of samples in minimal buffer, requires…