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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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Katalogové číslo: (M172-1L)
Dodavatel: VWR Chemicals
Popis: 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.
Měrná jednotka: 1 * 1 L

Dodavatel: G-Biosciences
Popis: 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.

Katalogové číslo: (USBIO8061-100)
Dodavatel: US Biological
Popis: 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.
Měrná jednotka: 1 * 100 µG


Katalogové číslo: (ENZOENZ51040KP002)
Dodavatel: ENZO LIFE SCIENCES
Popis: 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. 
Měrná jednotka: 1 * 1 KIT

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Dodavatel: G-Biosciences
Popis: 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.

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

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Katalogové číslo: (CAYM700190-96)
Dodavatel: Cayman Chemical
Popis: A sensitive tool for measuring β-HB levels in plasma, serum, or urine.
Měrná jednotka: 1 * 1 KS


Dodavatel: Thermo Fisher Scientific
Popis: Micro BCA™ protein assay kit is a specialised version of Pierce™ BCA protein assay for determining the protein concentration of dilute samples.

Katalogové číslo: (PIER48895)
Dodavatel: Thermo Fisher Scientific
Popis: Marfey's Reagent (FDAA or 1-fluoro-2-4-dinitrophenyl-5-L-alanine amide) reacts with primary amines to enable the quick and easy separation and quantitation of optical isomers of amino acids by reverse-phase chromatography.
Měrná jednotka: 1 * 50 mg


Dodavatel: Thermo Fisher Scientific
Popis: 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.

Katalogové číslo: (PIER23215)
Dodavatel: Thermo Fisher Scientific
Popis: The Compat-Able™ Protein assay preparation reagent set eliminates interfering substances from protein assay samples to make them compatible with BCA and Bradford assays.
Měrná jednotka: 1 * 500 mL


Katalogové číslo: (PIER23239)
Dodavatel: Thermo Fisher Scientific
Popis: 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.
Měrná jednotka: 1 * 1 KIT


Katalogové číslo: (PIER23238)
Dodavatel: Thermo Fisher Scientific
Popis: The bradford protein assay is the preferred colorimetric assay for quantifying total protein concentration. The Pierce™ coomassie plus protein assay is a ready-to-use, reducing agent-compatible, improved bradford assay reagent to quickly measure (A595 nm) total protein concentration compared to a protein standard.
Měrná jednotka: 1 * 300 mL

Dodavatel: Thermo Fisher Scientific
Popis: This antibody labeling system uses nickel chelated agarose to temporarily immobilise antibody molecules via their histidine-rich Fc regions. Once held in place on the gel, the antibody can be biotinylated at either sulfhydryl groups (after mild reduction or disulfide bonds) or primary amines. Excess labeling reagent and by-products are then washed away before recovering the labeled and purified antibody from the gel using a mild imidazole solution. No gel filtration or dialysis are needed.

Katalogové číslo: (AATB22334)
Dodavatel: AAT BIOQUEST
Popis: FLASH diacetate is a cell-permeable version of FlASH, which is a fluorescein derivative, modified to contain two arsenic atoms at a set distance from each other.
Měrná jednotka: 1 * 100 Tests


Katalogové číslo: (AATB22336)
Dodavatel: AAT BIOQUEST
Popis: REASH acetate is a cell-permeable version of REASH, which is a resorufin derivative, modified to contain two arsenic atoms at a set distance from each other.
Měrná jednotka: 1 * 100 Tests


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Omezené množství produktu na skladě. Zboží může být k dispozici v jiném skladě poblíž vašeho sídla. Přesvědčte se, že jste přihlášení na stránky, abyste mohli vidět dostupné položky na skladě. Pokud je stále zobrazeno call a potřebujete asistenci, volejte na číslo 321 570 321.
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