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774 results for "buffers"

buffers

Tampões

Resistentes a alterações de pH, os tampões protegem as amostras quando são adicionados ácidos ou bases. Disponíveis em pó e líquido, estes tampões rastreiam as proteínas de forma eficiente durante o isolamento e a separação por eletroforese. Também podem ser utilizados para calibrar e padronizar os medidores de pH, garantindo leituras precisas. As substâncias bloqueadoras impedem a ligação dos anticorpos aos locais livres na membrana, que produziriam um sinal de fundo interferente. Disponíveis em diversas concentrações para satisfazer qualquer necessidade, os tampões podem ser encontrados em formatos líquidos ou desidratados.

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Solução RapidBlock™, 10X

Solução RapidBlock™, 10X

Supplier: VWR Chemicals

A solução RapidBlock™ reduz o período de bloqueio para cinco minutos nos procedimentos de Western blotting e dot blotting, em membranas de PVDF e nitrocelulose. Esta formulação isenta de proteínas minimiza a reatividade cruzada e a ligação de anticorpos não-específicos, gerando blots com baixo ruído de fundo e uma melhor relação sindal/ruío.

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Protein extraction kit, mammalian cell PE LB™

Protein extraction kit, mammalian cell PE LB™

Supplier: G-Biosciences

Mammalian Cell PE LB™ has been developed for extraction of total biologically active, soluble proteins from mammalian cultured cells. The Mammalian Cell PE LB™ is based on organic buffering agents and utilises a mild non-ionic detergent, chelating agent, and a proprietary combination of various salts and agents to enhance extraction and stability of proteins. Depending on the required downstream application, additional agents such as reducing agents, phosphatase and protease inhibitors may be added into Mammalian Cell PE LB™. Mammalian Cell PE LB™ has been tested on a wide variety of mammalian cells and can be used for both suspension and adherent cells.

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HEPES Buffer, ES Qualified, HyClone™ AdvanceSTEM™

HEPES Buffer, ES Qualified, HyClone™ AdvanceSTEM™

Supplier: HyClone products (Cytiva)

HyClone AdvanceSTEM ES Qualified HEPES provides maintenance of physiological pH in cell culture despite changes in carbon dioxide.

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Lysis buffer, Glo, 1X

Lysis buffer, Glo, 1X

Supplier: Promega

Glo Lysis Buffer (GLB), 1X, is a proprietary formulation developed to promote rapid lysis (within 5 minutes) of cultured mammalian cells without scraping or performing freeze-thaw cycles.

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Buffer, TAE solution 50X concentrate (TRIS-acetate-EDTA buffer)

Buffer, TAE solution 50X concentrate (TRIS-acetate-EDTA buffer)

Supplier: Promega

Running Buffer, TBE buffer solution 10X concentrate (TRIS-borate-EDTA buffer)

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Phosphate buffered saline, PBS-TWEEN® tablets, Millipore®

Supplier: Merck Millipore (Oncogene)

Developed for use in immunoassay applications.

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Non-animal protein blocking Agent, NAP-BLOCKER™

Non-animal protein blocking Agent, NAP-BLOCKER™

Supplier: G-Biosciences

NAP-BLOCKER™ is an animal-free protein blocking agent recommended for improved assay sensitivity, minimal non specific binding and a high signal-to-background ratio. It is suitable for Western blots, dot blots and assay development.

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Cesium chloride - lanthanum chloride buffer, for flame AAS, TraceSELECT™, Fluka™

Supplier: Honeywell Chemicals

TraceSELECT™, for flame atomic absorption spectrometry.

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Lumit® dsRNA Assay Buffer (5X)

Supplier: Promega

Lumit® dsRNA Assay Buffer (5X)

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10X Phosphate Buffered Saline (PBS), Sterile, Dulbecco's Formula, without Magnesium and Calcium

Supplier: MP Biomedicals

Role of a balanced salt solution in cell culture is multifaceted and can be divided into four principal functions: 1. Serves as an irrigating, transporting and diluting fluid while maintaining intra- and extracellular osmotic balance; 2. Provides cells with water and certain bulk inorganic ions essential for normal cell metabolism; 3. Combined with a carbohydrate, such as glucose, provides the principal energy source for cell metabolism; 4. Provides a buffering system to maintain the medium within the physiological pH range (7.2 - 7.6)

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pH buffer solutions, colour coded

Supplier: REAGECON

Colour coded pH buffer solutions for the calibration of pH meters.

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Buffers, TBS, 20X solution, pH 7,4, molecular biology grade, ultrapure

Supplier: Thermo Fisher Scientific

Used in Western blotting protocols.

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EDTA disodium salt solution, 0,2% in phosphate buffered saline, MP Biomedicals

Supplier: MP Biomedicals

EDTA disodium salt, (2%) solution, in phosphate buffered saline without calcium and magnesium. Used as a gentle non-enzymatic cell dissociation reagent.

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Buffer, sodium acetate buffer solution pH 7 (3 mol/L), Sigma-Aldrich®

Supplier: Merck

Cloning Buffer, Sodium acetate buffer solution pH 7 (3 mol/l)

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Buffer, sodium acetate buffer solution pH 5,2 (3 mol/L), Sigma-Aldrich®

Supplier: Merck

Cloning Buffer, Sodium acetate buffer solution pH 5,2 (3 mol/l)

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Buffer, PBS solution (phosphate buffered saline) pH 7,4, Sigma-Aldrich®

Supplier: Merck

Washing buffer, PBS buffer solution (phosphate buffered saline) pH 7,4

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