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Proteïne-assays


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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.


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Itemnummer: (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:  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:   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
Itemnummer: (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
Leverancier:  G-Biosciences
Omschrijving:   CB-Xâ„¢ Protein Assay is a Coomassie dye based protein assay based on the Bradford Protein Assay. For protein samples in simple, uncomplicated aqueous buffers CB-Xâ„¢ is a highly sensitive, single reagent assay that can be performed in 5 minutes. For complicated protein samples, CB-Xâ„¢ 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:  G-Biosciences
Omschrijving:   CBâ„¢ 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:  Cayman Chemical
Omschrijving:   A sensitive tool for measuring β-HB levels in plasma, serum, or urine.
UOM:  1 * 1 ST
Leverancier:  ENZO LIFE SCIENCES
Omschrijving:   This kit has been designed for monitoring protein stability under systematic thermal stress conditions.
New Product

Leverancier:  Thermo Fisher Scientific
Omschrijving:   The Pierceâ„¢ Coomassie (Bradford) Protein Assay Kit is a ready-to-use, stable formulation of the traditional Bradford assay reagent to measure (A595 nm) total protein concentration compared to a protein standard.
UOM:  1 * 1 KIT
Leverancier:  Thermo Fisher Scientific
Omschrijving:   This BCA Protein Assay Kit - Reducing Agent Compatible enables the measurement of protein concentration in samples that contain thiol-reductants dithiothreitol (DTT) and 2-mercaptoethanol (BME).
Leverancier:  AAT BIOQUEST INC
Omschrijving:   Protein quantification is an essential task in protein purification, electrophoresis, cell biology, molecular biology and other research applications.
UOM:  1 * 500 Tests
New Product

Leverancier:  Thermo Fisher Scientific
Omschrijving:   Pierceâ„¢ biotinylated protein interaction pull-down kit contains the necessary components to capture and purify interactors of a biotin-labeled protein or ligand.
UOM:  1 * 1 KIT
Leverancier:  Thermo Fisher Scientific
Omschrijving:   Pierceâ„¢ Protease Assay Kits are an ideal choice for performing routine assays necessary during the isolation of proteases, or for identifying the presence of contaminating proteases in protein samples. These protease assays are also ideal for studying pH or temperature vs. activity profiles of purified proteases.

Leverancier:  AAT BIOQUEST INC
Omschrijving:   REASH is a resorufin derivative, modified to contain two arsenic atoms at a set distance from each other.
UOM:  1 * 1 EA
New Product
Leverancier:  Thermo Fisher Scientific
Omschrijving:   Micro BCAâ„¢ protein assay kit is a specialised version of Pierceâ„¢ BCA protein assay for determining the protein concentration of dilute samples.

Leverancier:  Thermo Fisher Scientific
Omschrijving:   The Compat-Ableâ„¢ 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
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De voorraad voor dit item is beperkt, maar kan beschikbaar zijn in een kortbijgelegen magazijn. Gelieve te controleren of u bent aangemeld op de site zodat de beschikbare voorraad weergegeven kan worden. Als het call nog steeds zichtbaar is en u hulp nodig heeft, gelieve VWR te contacteren via 016/38 50 11.
De voorraad voor dit item is beperkt, maar kan beschikbaar zijn in een kortbijgelegen magazijn. Gelieve te controleren of u bent aangemeld op de site zodat de beschikbare voorraad weergegeven kan worden. Als het call nog steeds zichtbaar is en u hulp nodig heeft, gelieve VWR te contacteren via 016/38 50 11/
Dit product is gemarkeerd als beperkt en kan enkel gekocht worden door goedgekeurde verzendingsaccounts. Als u hulp nodig heeft gelieve dan het VWR-Regelgevend Departement te contacteren via regulatory_affairs@vwr.com.
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Product(en) met dit symbool worden binnenkort niet meer verkocht - verkoop tot het einde voorraad. Alternatieven zijn mogelijk beschikbaar door te zoeken met het VWR artikelnummer dat hierboven wordt vermeld. Neem voor meer informatie contact op met onze Customer Service op 016 385 011.
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