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Liberase™ TL Research Grade low Thermolysin concentration _ Sigma-Aldrich
Liberase™ TL Research Grade low Thermolysin concentration _ Sigma-Aldrich
March 21, 2018 | Author: Paulo Mattos | Category:
Biochemistry
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Biology
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Earth & Life Sciences
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Cell Biology
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Chemistry
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10/08/2015Liberase™ TL Research Grade low Thermolysin concentration | SigmaAldrich Brazil Início 05401020001 Liberase™ TL Research Grade 05401020001 ROCHE Liberase™ TL Research Grade low Thermolysin concentration Propriedades form lyophilized mfr. no. Roche packaging pkg of 10 mg (2x5 mg) limit 3537 °C optimum reaction temp. optimum pH 7.4 Descrição Application Liberase™ TL (Thermolysin Low) Research Grade is used for the dissociation of a broad range of tissue types, where high purity of the enzyme blend is necessary for high cell yield and viability. Bacterial byproducts, such as endotoxins, are reduced up to several thousandfold. Features and Benefits Liberase TL Research Grade contains highly purified Collagenase I and Collagenase II. These two collagenase isoforms are blended in a precise ratio to each other and with a low concentration of Thermolysin, a nonclostridial neutral protease. • Maximize viability and yield of isolated cells with an enzyme blend that has less clostripain and trypsin activity, as well as reduced endotoxin content. • Count on higher specific activity of the enzyme blend as a result of higher Collagenase I + II purit(determined by HPLC analysis) • Obtain higher experimental reproducibility due to higher lottolot consistency. • Increase safety with an enzyme that is free of any mammalian or avian tissuederived raw materials. General description Download the CofA, MSDS and IFU specific to your product lot and format The most commonly used method for decellularization procedures, such as tissue dissociation and cell harvesting, is based on the use of proteolytic enzymes. Proteases disrupt the extracellular matrix of tissue to allow the release of individual cells or the harvesting of cultured cells for transfer. The goal of cell isolation is to maximize the yield of dissociated cells that are viable and functionally active. Liberase Purified Enzyme Blends Liberase enzymes are blends of highly purified enzymes, designed to increase the quality and reproducibility of tissue dissociation, and improve the viability and functionality of isolated cells. Liberase Purified Enzyme Blends replace traditional collagenase, which is a crude and variable fermentation byproduct of Clostridium histolyticum. Liberase Enzyme Technology Liberase enzyme technology comprises methods for purifying clostridial collagenase isoforms to high specific activity, and for blending them together with highspecificactivity neutral protease in optimal ratios for effective dissociation of primary tissues and cultured cells. For additional information, such as manufacturing, technology, or storage, see the Liberase Research Grade Insightsdocument. Further reading on the topic can also be found in the Documents tab. Roche provides specialquality preparations of Liberase Purified Enzyme Blends, manufactured to meet GMP requirements. For more information on the GMP grade preparations. Important Notes: • This product is intended for life science research and in vitro use only. These products are not to be used for diagnostic or clinical applications, such as human islet transplantation. • All 1st generation Liberase and Liberase Blendzyme products (Liberase HI, CI, RI, PI, Liberase Blendzyme 1, 2, 3, 4) have been replaced by the 2nd generation Liberase Research Grade and Liberase GMP grade enzyme blend portfolios. For instructions concerning the transition from previously used Liberase Enzymes. Other Notes For life science research only. Not for use in diagnostic procedures. Preparation Note Stabilizers: Calcium Working concentration: Liberase Research Grade Enzyme Working Concentration http://www.sigmaaldrich.com/catalog/product/roche/05401020001?lang=pt®ion=BR 1/3 5. The goal is to determine the best starting concentration of Liberase Research Grade Enzyme Blends.sigmaaldrich. first use Liberase TM Research Grade at a concentration of 0. [as determined above]). Depending on the type of tissuedissociation buffer used to dissolve Liberase Research Grade Purified Enzyme Blends. Dúvidas? Contato. such as albumin or protease inhibitors.com. This is a starting point. To determine how much Liberase Research Grade Enzyme Blend to use. slight precipitations may be observed which readily dissolve in the diluted working solution and have no influence on enzyme activity. Set your institution to view full text papers. This indicates how many milliliters of Liberase Research Grade Enzyme Blend stock solution to use in your working enzyme solution.collagenase. Enzyme stability is reduced at higher concentrations and warmer temperatures (4 °C).com. to the dissociation buffer. Do not weigh individual aliquots of the lyophilizate.com/catalog/product/roche/05401020001?lang=pt®ion=BR 2/3 . When the application is on the Roche list of applications at www. will be lower than that of traditional collagenase. Do not add serum or other components that may influence enzyme activity. Collagenase Working Concentration Multiply your previous collagenase working concentration (mg/ml) by its specific activity (Wünsch units/mg. Storage conditions (working solution): Store unused stock solution in singleuse aliquots at 15 to 25 °C. Reconstitute the entire vial.0 (1 vial with 50 mg–100 mg pack size) Legal Information Liberase is a trademark of Roche Disponibilidade e Preços Preço & disponibilidade não está acessível. Serviço Técnico Did you use this product in your Paper? If so click here. use the Liberase Research Grade concentration recommended for that application. to obtain Wünsch units/ml. The introduction of moisture into the vial results in a decline in enzymatic activity. When the application is not included on this list. For further information on product stability. Avoid both the above conditions.10/08/2015 Liberase™ TL Research Grade low Thermolysin concentration | SigmaAldrich Liberase enzymes have significantly higher specific activities than traditional collagenases. Remove an aliquot of the stock solution to prepare the working solution Reconstitution volume 2 ml (1 vial with 5 mg–10 mg pack size).5 (1 vial with 5 mg–10 mg pack size). Gently agitate the vial at 2 to 8 °C until enzyme is completely dissolved (max. Place vial on ice to rehydrate the lyophilized enzyme. This means that the working concentration of Liberase Research Grade Purified Enzymes. 10 ml (1 vial with 50 mg–100 mg pack size) Collagenase Wünsch (units/ml) 13 (1 vial with 5 mg–10 mg pack size). first multiply your collagenase working concentration (in Wünsch units/ml) times the total volume of your working enzyme solution to obtain the total collagenase activity needed (Wünsch units).08–0. 30 min). and the final concentration may vary due to differences in procedure and lottolot differences in traditional collagenase. Note: Avoid repeated freezing and thawing! Reconstitution Reconstitute the lyophilized enzyme with injectionquality sterile water or tissuedissociation buffer. 26 (1 vial with 50 mg–100 mg pack size) Total Collagenase concentration [mg/ml] 2. Divide the total collagenase activity required by the Liberase Research Grade stock concentration ( “Reconstitution and Storage” ). expressed in mg/ml. please visit the Roche Liberase Enzyme website at www.collagenase. Informação de Segurança http://www.28 Wünsch units/ml. All Rights Reserved. Site Use Terms | Privacy http://www. LLC. Produtos Relacionados Copyright © 2015 SigmaAldrich Co.com/catalog/product/roche/05401020001?lang=pt®ion=BR 3/3 . Reproduction of any materials from the site is strictly forbidden without permission. clique aqui. LLC.sigmaaldrich. SigmaAldrich brand products are sold exclusively through SigmaAldrich Co. Artigos Revisados por Colegas Você uso o produto em seu Paper? Se for assim.10/08/2015 Liberase™ TL Research Grade low Thermolysin concentration | SigmaAldrich As informações de segurança deste produto não está disponível neste momento.
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