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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Catalogus nummer: (CAYM700510-96)
Leverancier: Cayman Chemical
Omschrijving: A fluorescence-based method for detecting L-lactate in biological samples such as serum, plasma, blood, urine, and saliva.
UOM: 1 * 1 ST


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.

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

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).

Catalogus nummer: (M172-1L)
Leverancier: VWR Chemicals
Omschrijving: The Bradford protein assay is the preferred colorimetric assay for quantifying total protein concentration. Based upon complex formation between basic and aromatic amino acid residues with Coomassie® Brilliant Blue G-250 dye, the Bradford method is easier, faster, and more sensitive than the Lowry method.
UOM: 1 * 1 L

Leverancier: ENZO LIFE SCIENCES
Omschrijving: This kit has been designed for monitoring protein stability under systematic thermal stress conditions.

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Catalogus nummer: (CAYM700190-96)
Leverancier: Cayman Chemical
Omschrijving: A sensitive tool for measuring β-HB levels in plasma, serum, or urine.
UOM: 1 * 1 ST


Catalogus nummer: (USBIO8061-100)
Leverancier: US Biological
Omschrijving: Osteocrin is a recently identified secreted protein expression of which was only detected in bone, peaking just after birth and decreasing markedly with age. A 1280-bp mRNA encodes osteocrin producing a mature protein of 103 amino acids with a molecular mass of 11,4 kD. In primary osteoblastic cell cultures osteocrin expression coincided with matrix formation then decreased in very mature cultures.
UOM: 1 * 1 EA


Catalogus nummer: (ENZOENZ51040KP002)
Leverancier: ENZO LIFE SCIENCES
Omschrijving: ProteoStat® Protein refolding and aggregation sensing kit provides a fractional factorial matrix design to facilitate screening of refolding parameters for a specific protein in different buffers, and a simple, homogenous assay format for monitoring protein aggregation using a red-emitting aggregation-sensitive dye. 
UOM: 1 * 1 Kit

New Product


Leverancier: G-Biosciences
Omschrijving: CB™ Protein Assay, a Coomassie dye based protein assay based on the Bradford Protein Assay, is suitable for the simple and rapid estimation of protein concentration. The binding of protein to the dye results in a colour change from brown to blue. The change in colour density is proportional to protein concentration. Protein estimation can be performed using as little as 0,5 µg protein.

Leverancier: G-Biosciences
Omschrijving: CB-X™ Protein Assay is a Coomassie dye based protein assay based on the Bradford Protein Assay. For protein samples in simple, uncomplicated aqueous buffers CB-X™ is a highly sensitive, single reagent assay that can be performed in 5 minutes. For complicated protein samples, CB-X™ Protein Assay is supplied with reagents to clean up the samples and remove all reagents and chemicals that interfere with accurate protein estimation in a single step. These reagents include detergents, chaotropes, reducing agents, alkylating agents, sugars, high salt concentrations, buffering agents and chelating agents. The clean up stage and subsequent protein assay is performed in a single tube to ensure no protein loss and to maintain the accuracy of the assay.

Leverancier: Thermo Fisher Scientific
Omschrijving: Micro BCA™ protein assay kit is a specialised version of Pierce™ BCA protein assay for determining the protein concentration of dilute samples.
Catalogus nummer: (71840-3)
Leverancier: Merck Millipore (Novagen)
Omschrijving: The HisTag® Antibody HRP Conjugate kit contains a horseradish peroxidase-conjugated HisTag® Monoclonal Antibody that is useful as a single detection reagent, thus eliminating cross-reactivity associated with secondary antibody reagents. It recognises five consecutive histidine residues regardless of the surrounding amino acid context. The purified antibody conjugate produces a strong signal at a 1:1000 to 1:2000 dilution on Western blots and dot blots. The HisTag® Antibody HRP Conjugate also detects the recombinant marker bands in the Novagen Perfect Protein™ Western Markers for convenient visualisation of accurate internal standards on Western blots.
UOM: 1 * 125 µl


Leverancier: Thermo Fisher Scientific
Omschrijving: The Pierce™ Firefly Luciferase Flash Assay Kit provides reagents to measure red firefly luciferase activity in whole cell producing a very strong flash signal which decays rapidly.

Catalogus nummer: (PIER23215)
Leverancier: Thermo Fisher Scientific
Omschrijving: The Compat-Able™ Protein assay preparation reagent set eliminates interfering substances from protein assay samples to make them compatible with BCA and Bradford assays.
UOM: 1 * 500 mL


Catalogus nummer: (PIER23239)
Leverancier: Thermo Fisher Scientific
Omschrijving: The Thermo Scientific™ Compat-Able™ Coomassie Plus Protein Assay Kit eliminates interfering substances from protein assay samples to make them compatible with BCA and Bradford assays.
UOM: 1 * 1 Kit


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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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