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U heeft gezocht op: Proteïne-assays

Accurately quantifying total protein concentration is a key to most experiments and is often necessary for isolation, separation, and analysis of proteins by biochemical methods. When it is necessary to determine the total protein concentration in a sample, one of the first factors to consider is the selection of a protein assay method. These choices are typically based upon the compatibility of the method with the samples to be assayed. Each method has its own advantages and disadvantages.

Accurately quantifying total protein concentration is a key to most experiments and is often necessary for isolation, separation, and analysis of proteins by biochemical methods. When it is necessary to determine the total protein concentration in a sample, one of the first factors to consider is the selection of a protein assay method. These choices are typically based upon the compatibility of the method with the samples to be assayed. Each method has its own advantages and disadvantages.


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Product Image-1B1301-KIT

VWR® Protein Precipitation Kit

Catalogus nummer: (1B1301-KIT)
Leverancier: VWR Chemicals
Omschrijving: The Protein Precipitation Kit utilises a simple trichloroacetic acid (TCA) based method to precipitate proteins in complex mixtures. Only protein in the sample is pelleted, while interfering salts and surfactants remain in the supernatant. A gentle acetone wash removes TCA and co-precipitants allowing the end-user to recover the protein in a small volume of buffer.
UOM: 1 * 1 Kit
Image Unavailable-D8284-5G

Bicinchoninic acid disodium salt hydrate

Leverancier: SIGMA ALDRICH MICROSCOPY
Omschrijving: Bicinchoninic acid is used for the determination of protein concentration. It is responsible for the making of intense purple complex with cuprous ion (Cu+) in the presence of alkaline conditions. The amount of Cu+ is in relation with the protein concentration.

Image Unavailable-CAYM10005020-96

Protein carbonyl colorimetric assay kit

Catalogus nummer: (CAYM10005020-96)
Leverancier: Cayman Chemical
Omschrijving: The Protein Carbonyl Colorimetric Assay Kit is for the measurement of oxidised proteins. Protein samples are derivatised by making use of the reaction between 2,4-dinitrophenylhydrazine and protein carbonyls.
UOM: 1 * 1 EA
Product Image-786-603

Protein assay kits, RED 660™

Leverancier: G-Biosciences
Omschrijving: RED 660™ Protein Assay is a single reagent colorimetric assay that outperforms many commercial colorimetric assays, including Bradford and improved Coomassie/Bradford assays. It offers greater linearity, colour stability, and compatibility with detergents, reducing agents and other interfering agents compared to the Coomassie assays. The single, ready to use reagent allows for rapid analysis of total protein concentration and generates highly reproducible results.

Product Image-786-892

Bicinchoninic acid (BCA) reducing agent compatible protein Assay

Leverancier: G-Biosciences
Omschrijving: The Bicinchoninic Acid (BCA) Protein Assay is a highly sensitive colorimetric assay that is compatible with detergent solubilised protein solutions, however is dramatically affected by the presence of reducing agents, including DTT, ß-mercaptoethanol and TCEP.

Certificaten

Image Unavailable-TNB-1213-L150

Foxp3 / Transcription Factor Staining Buffer Kit, Tonbo Biosciences

Catalogus nummer: (TNB-1213-L150)
Leverancier: Tonbo Biosciences
Omschrijving: Tonbo Biosciences Foxp3 / Transcription Factor Staining Buffer Kit contains specially formulated buffers and solutions for optimal resolution and low background in your analysis of nuclear antigens by flow cytometry
UOM: 1 * 150 mL
Image Unavailable-33021-1

Thermal shift protein stability kits, GloMelt™

Leverancier: Biotium
Omschrijving: Kit for fluorescence-based measurement of protein unfolding or thermal stability in thermal shift assay, also called Protein Thermal Shift™, differential scanning fluorimetry, or Thermofluor assay.

MSDS

Image Unavailable-ENZOENZ51029K100

eFluxx-ID® multidrug resistance assay kit

Leverancier: ENZO LIFE SCIENCES
Omschrijving: The EFLUXX-ID® Multidrug Resistance Assay Kit allows for functional detection of all three clinically relevant ABC transporter proteins MDR1 (p-glycoprotein), MRP1/2, and BCRP. The assay uses a hydrophobic, non-fluorescent compound that readily penetrates the cell membrane, where it is hydrolyzed to a hydrophilic fluorescent dye by intracellular esterases.

New Product

Product Image-ROCKMB-061-1000

Conjugate stabilisers

Leverancier: Rockland Immunochemicals
Omschrijving: Conjugate stabilisers are used with horseradish peroxidase (HRP) and calf intestinal alkaline phosphatase conjugated primary or secondary antibodies or other proteins or compounds in solution. The components of the stabiliser (proprietary) are unique and stabilise both the antibody and enzyme portions of the conjugate.

Product Image-ENZOENZ51023KP050

PROTEOSTAT® protein aggregation assay

Catalogus nummer: (ENZOENZ51023KP050)
Leverancier: ENZO LIFE SCIENCES
Omschrijving: PROTEOSTAT® Protein aggregation assay provides a simple, homogenous assay format for monitoring peptide and protein aggregation in solution. This is useful for defining optimal storage formulations for proteins, for screening of compounds that promote or inhibit protein aggregation and potentially for the sensitive measurement of molecular chaperone activity. The assay can be employed to streamline protein processing and formulation optimization procedures.
UOM: 1 * 1 EA

New Product


Product Image-786-005

Protein quantitation assay kits, Non-Interfering™ (NI™) Protein Assay

Catalogus nummer: (786-005)
Leverancier: G-Biosciences
Omschrijving: A highly sensitive colorimetric protein assay that overcomes interference of common laboratory agents present in protein solutions and shows minimal protein-to-protein variation. The assay is unaffected by the presence of common laboratory agents such as reducing agents, chelating agents, detergents, amines, sugars, chaotropes, salts, drugs, antibiotics, cobalt, and others.
UOM: 1 * 1 Kit
Image Unavailable-ENZOBMLUW1000A0001

SUMO-QAPTURE-T® kit for isolation and enrichment of SUMOylated proteins

Catalogus nummer: (ENZOBMLUW1000A0001)
Leverancier: ENZO LIFE SCIENCES
Omschrijving: The only commercially available kit for isolation and enrichment of SUMOylated proteins.
UOM: 1 * 1 EA

New Product


Product Image-CAYM700480-96

Glycogen Assay Kit

Catalogus nummer: (CAYM700480-96)
Leverancier: Cayman Chemical
Omschrijving: A simple and sensitive tool for assaying glycogen from tissue.
UOM: 1 * 1 ST
Product Image-GENO786-890

Bicinchoninic acid (BCA) protein assay

Leverancier: G-Biosciences
Omschrijving: The Bicinchoninic Acid (BCA) Protein Assay is a highly sensitive colorimetric assay that is compatible with detergent solubilised protein solutions.

Product Image-786-572

Micro Bicinchoninic Acid (BCA) protein assay

Leverancier: G-Biosciences
Omschrijving: The Micro Bicinchoninic Acid Protein Assay is a highly sensitive colorimetric assay that is compatible with detergent solubilised protein solutions. This modification of the Bicinchoninic Acid (BCA) Protein Assay is suitable for dilute protein samples (0,5 to 20 µg/ml).

Image Unavailable-GENO786-1084

Compatible Lowry protein assay

Leverancier: G-Biosciences
Omschrijving: These CL (Compatible Lowry) Protein Assay is based on the widely cited protein assay by Lowry et. al. (1951). The CL Protein Assay improves upon the traditional Lowry method to be compatible with common laboratory agents known to interfere with Lowry protein assays such as reducing agents (dithiothreitol (DTT), ß-mercaptoethanol and TCEP), detergents, chelating agents, amines, sugars, strong chaotropic buffers, salts, drugs, antibiotics, cobalt and other common laboratory agents.

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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.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
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