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Product Image-786-266

Thiophilic adsorption kit and thiophilic resin

Supplier: G-Biosciences
Description: Thiophilic adsorption or thiophilic chromatography is a routinely used technique for the low cost, simple purification of immunoglobulins. Thiophilic adsorption was first developed by Porath et al in 1984 and is a group specific, salt-dependent purification technique that has distinct affinity towards immunoglobulins and α2- macroglobulins. The thiophilic adsorption works on the principle that some proteins in high salt are able to bind to an immobilised ligand that contains a sulfone group in proximity to a thioether group. The bound proteins are then eluted in decreasing salt concentrations. The thiophilic resin binds immunoglobulins, including IgG, IgY and IgM, from serum, ascites or tissue culture supernatants and the purified immunoglobulins are then eluted in a near neutral aqueous buffer.

Product Image-516-8589

Ultrafiltration membrane disc filters, Omega™

Supplier: Cytiva (Formerly Pall Lab)
Description: Replacement membranes for other stirred cell systems. Used for concentration, fractionation, purification, buffer exchange, or desalting of protein, cell broths, and other biomolecules. Discs can be washed and reused.

Image Unavailable-95305-10L

Water, TraceSELECT™ for trace analysis, Riedel-de Haën™

Supplier: Honeywell Chemicals
Description: High purity solvents for speciation analysis by LC-ICP-MS. Rigorous purification procedures followed by UV spectroscopy, IC, and ICP-MS testing to assure high chemical purity and high UV transmittance. The blank values for metal traces in these solvents are in the ppb range or lower.

SDS Environmentally Preferable

Image Unavailable-48271.

HPLC gradient system diagnostics mix, in methanol: water (3:2) (varied concentration), certified reference material, Supelco®

Catalog Number: (48271.)
Supplier: Merck
Description: This formulation is designed for evaluating how reliably a chromatographic system is providing such fundamentally important parameters as flow rate, proportioning, and mixing.
UOM: 1 * 6 mL
Product Image-171-1141

VWR® Puranity PU, Catridges and Accessories

Supplier: VWR Collection
Description: Filter cartridge, VWR®, Replacement UV lamp for external storage tanks, for ultrapure water system, TU 12

Product Image-LBCP9000732

WaterPro® PS HPLC/UF Hybrid Polishing Station

Catalog Number: (LBCP9000732)
Supplier: LABCONCO
Description: WaterPro PS Polishing Stations deliver Type I, 18.2 megohm-cm water from the dispensing valve or optional dispensing gun (refer to descriptions for models that include gun) at a typical rate of 1.8 liters per minute depending on feedwater flow rate and pressure, and installed purification modules.
UOM: 1 * 1 items
Product Image-786-704

Protein desalting and buffer exchange columns, SpinOUT™

Supplier: G-Biosciences
Description: The SpinOUT™ GT-100, GT-600 and GT-1200 columns are versatile, spin format columns for the desalting and buffer exchange of protein solutions ranging from 5 µl through to 4 ml sample volumes. The SpinOUT™ columns are available in three MWCO sizes for >700, >6000 or >30 000 dalton proteins and are suitable for samples containing as little as 20 µg protein/ml.

Image Unavailable-48270-U

HPLC isocratic systems diagnostics mix, in methanol: water (3:2) (varied concentration), certified reference material, Supelco®

Catalog Number: (48270-U)
Supplier: Merck
Description: This formulation is designed for evaluating how reliably a chromatographic system is providing such fundamentally important parameters as flow rate, proportioning, and mixing.
UOM: 1 * 1 items
Product Image-83645.400

Water, HiPerSolv CHROMANORM® for LC-MS, suitable for UPLC/UHPLC instruments

Supplier: VWR Chemicals
Description: Water, HiPerSolv CHROMANORM® for LC-MS, suitable for UPLC/UHPLC instruments

SDS Certificates Environmentally Preferable

Product Image-UVPA97-0067-02

Stable ozone generators

Supplier: UVP ULTRA VIOLET PRODUCTS
Description: Ozone generators produce a continuous flow of ozone as well as a stable source for water purification and air pollution studies. Designed for calibration of field and laboratory ozone analysers in water purification and air pollution applications.

Product Image-PIER89821

Complete bacterial protein extraction reagent, B-PER™

Supplier: Thermo Fisher Scientific
Description: B-PER™ Complete Bacterial Protein Extraction Reagent is an all-in-one formulation of non ionic detergent and enzymes that enables mild extraction of proteins from both gram-negative and gram-positive bacteria without the need for mechanical disruption. B-PER Complete Reagent combines a universal nuclease and lysozyme to improve cell lysis and reduce viscosity, and may be used for soluble protein extraction and inclusion body purification from bacterial cell lysates.

Image Unavailable-786-591

Affinity purification Streptavidin Resin and buffers

Supplier: G-Biosciences
Description: Streptavidin Resin is designed for the single step small and large scale affinity purification of proteins and antibodies with a biotin tag. Biotin, a 244 Da vitamin (Vitamin H) molecule, exhibits an extraordinary binding affinity for avidin (Ka=10¹⁵ M⁻¹) and streptavidin (Ka=10¹⁵ M⁻¹). Biotin and (strept)avidin interaction is rapid and once the bond is established it can survive up to 3M guanidinehydrochloride and extremes of pH. Biotin-avidin bonds can only be reversed by denaturing the avidin protein molecule with 8M guanidine-hydrochloride at pH 1,5 or by autoclaving. The biotinylated molecules are efficiently probed with avidin or streptavidin conjugated to reporter molecules, such as peroxidases or phosphatases.

Product Image-EXL-PCF01/ACQ

Avantor® ACE®, UHPLC Pre-Column Filters

Supplier: Avantor
Description: Avantor® ACE® UHPLC pre-column filters made from stainless steel/PEEK provide protection for all UHPLC columns. They offer ultra-low dispersion for maximum compatibility with UHPLC instruments and columns. For use with Waters 'Classic' Acquity® systems, an alternative Waters Acquity® compatible version provides improved performance.

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Accessories chip ice makers

Supplier: ZIEGRA EISMASCHINEN
Description: Ice maker accessory, A supplement to the automatic water drain, repeated flushing of water system in machine

Product Image-83650.290

Water, HiPerSolv CHROMANORM®, super gradient grade for HPLC, suitable for UPLC/UHPLC instruments

Supplier: VWR Chemicals
Description: Water, HiPerSolv CHROMANORM®, super gradient grade for HPLC, suitable for UPLC/UHPLC instruments

SDS Certificates Environmentally Preferable

Product Image-700-0658

Peqlab PerfectBlue™ Twin L, Dual Gel System

Supplier: VWR Peqlab
Description: The largest of the series, the Twin L can accommodate 20×20 cm gels for the simultaneous separation of up to 50 samples making this system ideally suited for either higher throughput or separating lower molecular weight samples. The system actively manages temperature build up with an efficient water cooling system and central aluminium ceramic plates for effective and safe long term operation.

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on 0800 22 33 44.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on 0800 22 33 44
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalogue Number listed above. If you need further assistance, please call VWR Customer Service on 0800 22 33 44.
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