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Restriction enzymes, modifying enzymes, buffering solutions, inhibitors, and substrates for use in clinical, research, and general laboratory procedures.
The HistoMark X-Gal Substrate Set is designed for use with any probe labeled with E. coli B-galactosidase. The substrate produces a brilliant blue specific stain with no background color. The stain is permanent and insoluble in alcohols or xylene.
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Available as a substrate component of the HistoMark Orange immunohistochemistry substrate kit or as a stand-alone product. Requires Enhance Orange Buffer and Peroxide Solution for use.
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Supplied as a lyophilized powder prepared from a 2X crystalline suspension, Code: PAP. To insure full activity, the enzyme should be incubated in a solution containing 1.1 mM EDTA, 0.067mM mercaptoethanol and 5.5 mM cysteine-HCl for 30 minutes. It is recommended that the enzyme be 0.22 micron filtered after dissolution and prior to use. 9001-73-4
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A specialized combination of Animal Origin-Free Clostridium histolyticum collagenase (Code: CLSAFB) and animal origin free Bacillus polymyxa neutral protease with a minimum of 250 CLS units and 1,000 caseinase units per mg dry weight. Designed for stem cell and other primary cell isolations and bioprocessing applications where introduction of potential animal derived pathogens must be prevented. 2593-92-3
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Ready-to-use sterile 2% X-GAL solution that can be added directly to your agar plates. The X-GAL solution has been uniquely formulated to reduce false positives during blue-white screening and generates a rich blue color that is easily distinguishable from background.
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Molecular Biology Grade. Chromatographically purified to remove RNase and protease. Supplied as a solution at approximately 2 Kunitz units per microliter (approximately 1 mg/ml) containing 50% glycerol and 1 mM calcium chloride. 9003-98-9
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