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Catalog Number: (PI88230)
Supplier: Invitrogen
Description: HisPur™ Ni-NTA Spin Plates contain a high-capacity, high-performance nickel-IMAC resin for routine affinity purification of His-tagged fusion proteins

Catalog Number: (PI15031)
Supplier: Invitrogen
Description: Plates are optically clear polystyrene with a high-antibody binding 96-well microplate with individual 8-well strips in the plate frame for immunoassay applications.

Catalog Number: (PI77145)
Supplier: Invitrogen
Description: Thermo Scientific Imject Freund's Incomplete Adjuvant is a popular nonspecific stimulator of the immune response for use in antibody production immunization protocols.

Catalog Number: (PI85190)
Supplier: Invitrogen
Description: The Pierce™ Dimethylsulfoxide (DMSO) is a sequencing-grade preparation with high purity for use in traditional amino acid analyzers and other high-volume applications.

Catalog Number: (PI24582)
Supplier: Invitrogen
Description: Thermo Scientific Pierce Zinc Reversible Stain Kit provides rapid and highly sensitive detection of protein in polyacrylamide gels immediately after electrophoresis as well as erasability for subsequent transfer or band extraction.

Catalog Number: (PI37516)
Supplier: Invitrogen
Description: SuperBlock™ Blocking Buffer is optimized solution containing a single purified glycoprotein that provides incredibly fast and effective blocking for ELISA, IHC, and western blot analysis.

Catalog Number: (103523-924)
Supplier: Invitrogen
Description: Thermo Scientific Pierce DSP (Lomant's Reagent) is a water-insoluble, homo-bifunctional N-hydroxysuccimide ester (NHS ester) crosslinker that is thiol-cleavable, primary amine-reactive, and useful for many applications. DSP contains an amine-reactive NHS ester at each end of an 8-carbon spacer arm. NHS esters react with primary amines at pH 7–9 to form stable amide bonds and releasing N-hydroxy-succinimide. Proteins, including antibodies, generally have several primary amines in the side chain of lysine (K) residues and the N-terminus of each polypeptide that are available as targets for NHS ester crosslinking reagents. DSP is non-sulfonated and insoluble in water, so it must first be dissolved in an organic solvent and then added to the aqueous reaction mixture. Because DSP does not possess a charged group, it is lipophilic and membrane-permeable and so useful for intracellular and intramembrane conjugation. A sulfonated analog of DSP (DTTSP) is water soluble. DSS, the non-cleavable analog of the DSP crosslinker is also available for applications that require a stable spacer arm that cannot be cleaved in the presence of reducing agents.

Catalog Number: (PI20148E)
Supplier: Invitrogen
Description: LightShift poly(dI-dC) can be used as competitor for nonspecific DNA binding proteins.

Catalog Number: (PI26174)
Supplier: Invitrogen
Description: Thermo Scientific Pierce Sulfo-LC-SDA (Sulfo-NHS-LC-Diazirine) combines proven NHS-ester and diazirine-based photoreaction chemistries with conjugate amine-containing molecules with nearly any other functional group via long-wave UV-light activation. A 12.5Å spacer arm separates the two photoreactive groups.

Catalog Number: (PI88433)
Supplier: Invitrogen
Description: Thermo Scientific Heavy and Light Amino Acids are used to specifically analyze protein expression by mass spectrometry using stable isotope labeling with amino acids in cell culture (SILAC) quantification kits.


Catalog Number: (PI75768)
Supplier: Invitrogen
Description: Yeast β-Galactosidase Assay Kit is specially formulated for yeast cells and ideal for identifying protein interactions<i> in vivo</i> using two-hybrid systems.

Supplier: Invitrogen
Description: Thermo Scientific™ Pierce PNPP Substrates are powders, tablets, solutions and complete kits of p-nitrophenyl phosphate, a colorimetric, soluble substrate of alkaline phosphatase for use in ELISA applications

PNPP (p-Nitrophenyl Phosphate, Disodium Sal) is a widely used substrate for detecting alkaline phosphatase in ELISA applications. When alkaline phosphatase and PNPP are reacted, a yellow water-soluble reaction product is formed. This reaction product absorbs light at 405 nm. Pierce PNPP is available in four formats: dry crystalline powder, single-use tablets, a stable substrate solution, and a complete kit containing substrate solution and diethanolamine buffer.

Thermo Scientific Pierce PNPP (p-Nitrophenyl Phosphate, Disodium Salt) is a colorimetric, soluble substrate of alkaline phosphatase for use in ELISA applications. When alkaline phosphatase and PNPP are reacted, a yellow water-soluble reaction product is formed. This reaction product absorbs light at 405 nm.
Supplier: Invitrogen
Description: Pierce™ HisPur™ Ni-NTA Resin is a high-capacity, high-performance nickel-IMAC resin for routine affinity purification of His-tagged fusion proteins.
Catalog Number: (PI88211)
Supplier: Invitrogen
Description: The Pierce™ Heavy and Light Amino Acids are used to specifically analyze protein expression by mass spectrometry using stable isotope labeling with amino acids in cell culture (SILAC) quantification kits.

Supplier: Invitrogen
Description: Pierce peptide retention time calibration mixture enables reversed phase liquid chromatography (LC) and mass spectrometry (LC-MS) users to optimize and confirm correct operation of their equipment.
Catalog Number: (PI88434)
Supplier: Invitrogen
Description: Thermo Scientific Heavy and Light Amino Acids are used to specifically analyze protein expression by mass spectrometry using stable isotope labeling with amino acids in cell culture (SILAC) quantification kits.

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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.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • 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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-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
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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