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LAST UPDATED 13 September 2004

MEDICELL INTERNATIONAL LTD

SPECTRAPOR DIALYSIS MEMBRANES AND ALLIED PRODUCTS

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Spectra/Por EZ-1 MultiDialyzer For use with Multiple DispoDialyzers
KEY POINTS	High water absorbent capacity Easy to use with any MWCO dialysis membrane Easy to concentrate small molecular weight molecules Easy to remove Cost effective Convenient for sample concentration with Float-A-Lyzer, Micro DispoDialyzer and DispoDialyzer Easy loading, simple to use Eliminates use of multiple buffer chambers Saves time during dialysis sample preparation Simplifies process of multiple sample dialysis
GENERAL DESCRIPTION	The new Spectra/Por EZ-1 MultiDialyzer is uniquely designed for rapid, efficient, and simultaneous dialysis of multiple samples using DispoDialyzers. The EZ-1 can dialyze up to 44 samples contained within one buffer chamber. With the EZ-1, samples are loaded into individual DispoDialyzers and placed in numbered positions in the carousel. The whole carousel is immersed in the 3L buffer chamber and rotated at 360° (10 rpm) to optimize conditions for diffusion and insuring maximum dialysis efficiency. Dialyzed samples remain in the DispoDialyzers, ready to be removed for further analysis. The numbered positions of the carousel eliminate the need for taped labels for sample identification. The carousel plate has two different sized holes to accommodate twenty of 0.5ml, 1ml or 2ml and twenty four of 5ml
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Spectra/Gel Absorbent Solution for easy concentration
KEY POINTS	High water absorbent capacity Easy to use with any MWCO dialysis membrane Easy to concentrate small molecular weight molecules Easy to remove Cost effective Convenient for sample concentration with Float-A-Lyzer, Micro DispoDialyzer and DispoDialyzer
GENERAL DESCRIPTION	Spectra/Gel makes concentration of protein sample solution quick and efficient. It is made of polacrylate-polyalcohol and has the property of expanding as it absorbs water. The high molecular weight polymer can be used with dialysis membrane of MWCO as low as 100D up to 300 kD without contaminating the sample. After dialysis, remove the dialysis tubing containing the sample and simply coat it with Spectra/Gel. Water and smaller molecules diffuse through the membrane and are absorbed by Spectra/Gel. Concentration continues until a specific volume of water is removed from the sample. As Spectra/Gel is insoluble it is easy to remove after absorbtion. No honey-like sticking on the outside of the dialysis membrane. The length of time needed for concentration will depend on the final volume, the MWC0, the surface to volume ratio of the membrane tubing and the amount of Spectra/Gel Absorbent. After dialysis, Spectra/Por Float-A-Lyzer using MWCO of 15K can quickly reduce a starting volume 5 ml to 0.5 ml in 90 minutes with 10 grams of the Spectra/Gel Absorbent.
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Spectra/Por Biotech RC Membranes For DNA Applications
KEY POINTS	High sample recovery Good organic solvent resistance Ready to use membranes
GENERAL DESCRIPTION	New Spectra/Por Biotech RC with no charge characteristic yield excellent recovery for purification of fragments of DNA, oligonucleotides in electroelution, removing excess cesium chloride, phenol, chloroform, SDS or desalting. Common conversion to determine the molecular weight (MW) of a double-stranded (ds) DNA fragment is: MW of a ds DNA fragment = (# of bp) X (649 Daltons/bp) Packaged dry with glycerol as a hurnectant.
MWCO's AVAILABLE (Daltons)	3.5k 8k 10k 15k 25k 60k
DIAMETERS AVAILABLE (mm)	3.8, 5.7, 7.5 & 14
PACK SIZES	33 ft/10 m rolls
APPLICATIONS	Removal of salts DNA electroelution Removal of contaminating micromolecules
DETAILS	FOR DETAILS OF CODES AND SIZES CLICK HERE

 

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Spectra/Por Biotech Cellulose Ester(CE) Dialysis Membranes An Ultra High Purity and Precise Separation Dialysis Membrane
KEY POINTS	Fourteen precise MWC0s ranging from 100 Daltons to 1 million Daltons Hydrophilic and uniform molecular porous dialysis membranes No special chemical precleaning required
GENERAL DESCRIPTION	The state-of-art Spectra/Por Cellulose Ester (CE) dialysis membranes offer an excellent Molecular Weight Cut Off (MWCO) selection for separation of ionic species as well as macromolecules. The advanced manufacturing process provides CE dialysis membranes with an extremely high purity and features a biologically inert surface to yield an optimum sample recovery. The Spectra/Por Biotech CE membranes are sensitive to organic solvents. Strong polar solvents such as acetone, MEK or dioxane will irreparably damage the membrane. This membrane will tolerate exposure to lower alcohols (methanol, ethanol, and isopropanol) without apparent damage, but with possible alteration of MWCO. The membrane should not be exposed to organic solvents at concentrations exceeding 5% in water Supplied wet in 0.1 % sodium azide preservative The Universal Closures are designed for gently sealing of Biotech CE membranes due to their rigid characteristics.
MWCO's AVAILABLE (Daltons)	100 500 1,000 2,000 3,500 5,000 8,000 10,000 15,000 25,000 50,000 100,000 300,000 1 million
DIAMETERS AVAILABLE	5, 6.4, 7.5, 10, 15 & 20
PACK SIZES	33 ft/10 m length
APPLICATIONS	Removal of salts, surfactants, detergents and solvents Buffer and pH adjustment of sample solutions Concentration of proteins, peptides or antibodies DNA electroelution Preparation of proteins prior to electrophoresis, HPLC Removal of contaminating micromolecules Binding studies Tissue culture extract purification
DETAILS	FOR DETAILS OF CODES AND SIZES CLICK HERE

 

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Spectra/Por Biotech CE lrradiated Membranes
KEY POINTS	Thirteen precise MWC0s ranging from 100 Daltons to 300,000 Daltons Hydrophilic and uniform molecular porous dialysis membranes No special chemical precleaning required Irradiated membrane, individually packaged in deionized water Precut membrane tubing, 14cm in length for use with Spectra/Por Closures
GENERAL DESCRIPTION	Irradiated version of the state-of-art Spectra/Por Cellulose Ester (CE) dialysis membranes offer an excellent Molecular Weight Cut Off (MWCO) selection for separation of ionic species as well as macromolecules. The advanced manufacturing process provides CE dialysis membranes with an extremely high purity and features a biologically inert surface to yield an optimum sample recovery. The Spectra/Por Biotech CE membranes are sensitive to organic solvents. Strong polar solvents such as acetone, MEK or dioxane will irreparably damage the membrane. This membrane will tolerate exposure to lower alcohols (methanol, ethanol, and isopropanol) without apparent damage, but with possible alteration of MWCO. The membrane should not be exposed to organic solvents at concentrations exceeding 5% in water. The Universal Closures are designed for gently sealing of Biotech CE membranes due to their rigid characteristics.
MWCO's AVAILABLE (Daltons)	100 500 1,000 2,000 3,500 5,000 8,000 10,000 15,000 25,000 50,000 100,000 300,000
SAMPLE VOLUMES AVAILABLE	2, 4, 5, 10 & 20ml
PACK SIZES	25 per pack
APPLICATIONS	Removal of salts, surfactants, detergents and solvents Buffer and pH adjustment of sample solutions Concentration of proteins, peptides or antibodies DNA electroelution Preparation of proteins prior to electrophoresis, HPLC Removal of contaminating micromolecules Binding studies Tissue culture extract purification
DETAILS	FOR DETAILS OF CODES AND SIZES CLICK HERE

 

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Other products that will be added in due course include:

SPECTRAPOR OPENERS

HEAVY METAL CLEANING SOLUTIONS

SULFIDE REMOVAL KIT

CLOSURES

DIALYSIS HARDWARE

HOLLOW FIBRE MICRODIALYSIS TUBING

ULTRAFILTRATION MEMBRANES

MACROFILTRATION MEMBRANES