Multi-purpose Dialysis Tubing

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.

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Standard RC Dialysis Tubing: Spectra/Por® 1-3

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,…

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Spectra/Por Dialyzer Tubing

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 humectant which can…

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Spectra/Por Cellulose Ester Dialysis Membranes

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.…

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Spectra/Por Weighted and Magnetic Weighted 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…

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Spectra/Por Closures, Non-Weighted

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…

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Float-A-Lyzer Spectra/Gel Absorbent

Spectra/Gel makes the concentration of protein sample solutions quick and efficient. Made of polyacrylate-polyalcohol it has the property of expanding as it absorbs water. The high molecular weight polymer can be used with dialysis membranes of molecular weight cut off's (MWCO) from 100 to 1,000…

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Tube-A-Lyzer

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…

Spectra/Por Standard Closures

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.

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Spectra/Por® Biotech Grade Membranes

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.…

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Standard RC Ready-to-use Dialysis Sacks: Spectra/Por® 1-4

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.

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Quix Sep Micro Dialyzer

Dialyze 0.1 to 1.0 mL samples Efficient and easy Helps avoid sample loss Works fast, cutting dialysis time in half Enables user to choose which membrane and MWCO to employ Reuseable Consists of a two-piece capsule that securely locks a 1" square membrane sheet in…

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Spectra/Por® Openers

Solve the problem of opening dry dialysis tubing with Spectra/Por Openers. They have a strong adhesive that grips the dry tubing and allows you to easily pull the membrane sides apart for sample loading. Peel off adhesive cover, fold over the dry tubing such that both vertical edges of the adhesive…

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Spectra/Por® Hollow Fiber Dialysis Modules

Only Spectrum offers a highly efficient, counter-current dialysis device convenient and easy enough to operate in the laboratory. Based on the mechanics of a kidney, the Spectra/Por HF Dialysis Module is designed to provide much better performance than a conventional dialysis membrane used in a…

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Micro Float-A-Lyzer

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)…

Spectra/Por Closures, Weighted

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.

Universal Closures

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.

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Molecular/Por Type C Ultrafiltration Membranes

Usable in the pH range of 2 to 9 For low adsorption to scale up to industrial hollow fibers or for reverse osmosis Of cellulose acetate, offered in various molecular weight cutoffs ranging from 100 to 500,000. Low absorbance and binding. Exceptionally low affinity for proteins and…

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Standard RC Dialysis Trial Kits - 5 m/roll: Spectra/Por® 1-3

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.

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Biologically inert regenerated cellulose membrane

Whether conducting a simple desalting or a complex in vitro study, hollow fiber micro-dialysis bundles are ideal for the rapid and efficient dialysis of small volume samples that are valuable and difficult to attain. Available in 13 kD and 18 kD, the hollow fiber bundles consist of 20 fibers with…

Biotech CE Dialysis Trial Kits - 1 m/roll

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.

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Standard RC Dialysis Discs and Sheets: Spectra/Por® 1-5

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

Heavy Metal Cleaning Solution for Dialysis Membrane

While rinsing Spectra/Por® dialysis membrane in water is typically sufficient to remove glycerine or preservative, Spectrum offers Heavy Metal Cleaning Solution for the removal of trace levels of heavy metals introduced during the manufacturing process of Spectra/Por 1, 2, 3, 4, 5 & 6. (Note that…

Glass Dialysis Weights

Glass Dialysis Weights can be inserted into any membrane type of tubing to help maintain vertical orientation during dialysis. The quantity of weights required depends on the tubing length, flat-width and amount of head-space. Glass Dialysis Weights are inert and non-binding. Average diameter for…

Spectra/Por® Dialysis Reservoirs

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.

Float-A-Lyzer G2

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…

Biologically inert regenerated cellulose membrane

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,…

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Spectra/Por® MacroDialyzers

Designed for the continuous circulation of both the sample solution and the dialysate buffer, Spectra/Por MacroDialyzers increase the rate of dialysis by allowing significant flow agitation while maintaining a more effective concentration gradient. Available in 4 volume sizes (1 ml, 5 ml, 10 ml…

Spectra/Por® MicroDialyzers

The Spectra/Por MicroDialyzer is designed for the simultaneous dialysis of multiple micro-volume samples separated from a common dialysate chamber by a single membrane frame to provide uniform conditions for all samples. The dialysate chamber can either accommodate a magnetic stir bar for agitation…

Hollow Fiber Cell Implantation

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…