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Catalog Number: (97062-850)
Supplier: VWR
Description: A reagent for the preparation of competent cells for transformation.

Supplier: VWR
Description: Biological buffers are useful for cell culture in vitro, enzyme assays, and some electrophoretic applications at physiological pH.
Catalog Number: (97062-418)
Supplier: VWR
Description: Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) for biotechnology

Catalog Number: (97061-542)
Supplier: VWR

Catalog Number: (97061-340)
Supplier: VWR
Description: An excellent reagent for maintaining SH groups in reduced state; quantitatively reduces disulfides. DTT is effective in sample buffers for reducing protein disulfide bonds prior to SDS-PAGE. DTT can also be used for reducing the disulfide bridge of the cross-linker N,N′-bis(acryloyl)cystamine to break apart the matrix of a polyacrylamide gel. DTT is less pungent and is less toxic than 2-mercaptoethanol. Typically, a seven fold lower concentration of DTT (100 mM) is needed than is used for 2-mercaptoethanol (5% v/v, 700 mM).

Catalog Number: (97064-786)
Supplier: VWR

Catalog Number: (89230-014)
Supplier: VWR

Catalog Number: (97064-708)
Supplier: VWR

Catalog Number: (97063-702)
Supplier: VWR
Description: A pre-mixed dye solution used in cell culture applications to determine cell viability. A researcher can remove a sample of cells from culture and combine in a 1:1 ratio with the Trypan Blue solution. Under the microscope, dead cells will appear a blue color and viable cells will appear clear and translucent. Using a hemacytometer (gridded microscope slide), a researcher can quantify the percentage of dead cells within a population. Stained cells are ready for counting within five minutes.

Catalog Number: (89230-036)
Supplier: VWR

Catalog Number: (VWRB497-50KG)
Supplier: VWR
Description: Suitable for bioprocessing. BSE/TSE free. Endotoxin tested. Custom packaging and testing available. Change management and notification available. Samples available.

Catalog Number: (97063-958)
Supplier: VWR
Description: 10 g per pack


Catalog Number: (97061-966)
Supplier: VWR
Description: Colorless, slightly viscous liquid.Clear with no visible particulates.

Catalog Number: (89500-556)
Supplier: VWR

Catalog Number: (97062-670)
Supplier: VWR
Description: Proteinase K is a non-specific serine protease with a molecular weight of approximately 18 kDa.

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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 at 1-800-932-5000.
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 at 1-800-932-5000.
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  • State issued document with your organization's Federal Tax ID Number
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  • City or County issued Business License
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  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
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This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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