Enzyme-linked immunosorbent assays (ELISA), also known as enzyme immunoassays (EIA), are used for the detection and quantification of proteins, peptides and antibodies in a sample. ELISA often comes in kit format, with pre-selected antibody pairs to detect specific proteins or biomarkers of diseases such as diabetes and obesity, or cardiovascular and neurological disorders. Detection is made possible with chemiluminescent, fluorescent or colorimetric substrates and detection instruments such as microplate / ELISA readers. Other kits available include: Enzyme-linked immunospot (ELISPOT) assays for the quantification of protein-producing cells and chemiluminescent immunoassays (CLIA) kits. Find the best ELISA kits and products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.
Quantitative determination of Mu-IFN Alpha in cell culture and media Sample Volume: 100 µl Catalog Number: 42100-1 Quantity: 1 x 96 Assay Range: 12.5-500 pg/ml Shipping Conditons: Wet Ice Storage Temp.: 2-8˚C Preservative: 0.01% Thimerasol Shelf Life: 6 months from date of manufacture 2007 Retail price (Effective 10/1/2007): $560
Quantitative determination of Mu-IFN Alpha in cell culture and media Sample Volume: 100 µl Catalog Number: 42100-2 Quantity: 5 x 96 Assay Range: 12.5-500 pg/ml Shipping Conditons: Wet Ice Storage Temp.: 2-8˚C Preservative: 0.01% Thimerasol Shelf Life: 6 months from date of manufacture 2007 Retail price (Effective 10/1/2007): $2,315
Quantitative determination of Mu-IFN Beta in cell culture, media and serum Sample Volume: 100 µl Catalog Number: 42400-2 Quantity: 5 x 96 Assay Range: 15.6-1000 pg/ml Shipping Conditons: Wet Ice Storage Temp.: 2-8˚C Preservative: Kathon Shelf Life: 12 months from date of manufacture 2007 Retail price (Effective 10/1/2007): $2,315
Quantitative determination of Mu IFN Beta in cells transfected with Poly (I:C) Sample Volume: 100 µl Catalog Number: 42420-1 Quantity: 1 x 96 Assay Range: 15.6-1000 pg/ml Shipping Conditons: Wet Ice Storage Temp.: 2-8˚C Preservative: Kathon Shelf Life: 12 months from date of manufacture 2007 Retail price (Effective 10/1/2007): $575
Quantitative determination of Mu-IFN Gamma in cell culture and media Sample Volume: 100 µl Catalog Number: 42500-1 Quantity: 1 x 96 Assay Range: 25-1000 pg/ml, 125-5000 pg/ml Shipping Conditons: Wet Ice Storage Temp.: 2-8˚C Preservative: 0.01% Thimerasol Shelf Life: 6 months from date of manufacture 2007 Retail price (Effective 10/1/2007): $345
Quantitative determination of Rat-IFN Gamma in cell culture and media Sample Volume: 100 µl Catalog Number: 43500-1 Quantity: 1 x 96 Assay Range: 20-2000 pg/ml Shipping Conditons: Wet Ice Storage Temp.: 2-8˚C Preservative: 0.01% Thimerasol Shelf Life: 6 months from date of manufacture 2007 Retail price (Effective 10/1/2007): $345
The Alkaline Phosphatase is purified from calf intestine by a method developed in our laboratories, involving affinity chromatography. This enzyme is widely used as a marker enzyme in applications such as: • ELISA Immunoblotting Immunohistochemistry Molecular Biology Activity: >630 U*/mg enzyme protein (25°C, 4-nitrophenyl phosphate, glycine as buffer) • Unit definition: That amount of enzyme causing the hydrolysis of one mi…
The WellChampion™ preserves and protects biological activity of proteins and other biomolecules coated and dried on microwell surfaces. The protection of the coated and dried surface prevents degradation, denaturation and leaching. The WellChampion™ also efficiently blocks any free binding sites left on the microwell surface after coating, and a separate blocking step is avoided. Simply coat the microwell plate with the biomol…
The protein-free Blocking Buffer is a ready-to-use solution intended for blocking of the remaining free binding sites after microplate coating. The blocking is highly effective and stable. Our Synthetic Blocking Buffer™ eliminates the risk of false positive cross reactions in the assay. Current safety hazards related to the use of bovine material, for instance BSA are avoided. The buffer is ready-to-use and offers a high level…
OPD, Ortho-Phenylenediamine, is used as a chromogen substrate in ELISA procedures with an absorption maximum at 492 nm and produces a yellow colour during the enzymatic degradation of hydrogen peroxide by horseradish peroxidase. After addition of sulfuric acid you will obtain a very stable end solution. The fizzing, buffer containing tablets are dissolved in distilled water within few minutes. This will give solution of pH 5.2…
OPD, Ortho-Phenylenediamine, is used as a chromogen substrate in ELISA procedures with an absorption maximum at 492 nm and produces a yellow colour during the enzymatic degradation of hydrogen peroxide by horseradish peroxidase. After addition of sulfuric acid you will obtain a very stable end solution. The fizzing, buffer containing tablets are dissolved in distilled water within few minutes. This will give solution of pH 5.2…
OPD is used as a chromogen substrate in ELISA procedures with an absorption maximum at 492 nm and produces a yellow colour during the enzymatic degradation of hydrogen peroxide by horseradish peroxidase. After addition of sulfuric acid you will obtain a very stable end solution. Stability life time is 18 months at 4°C. Our standard tablets are available with a content of 2 mg or 10 mg OPD.
DAB (3,3-diaminobenzidine tetrahydrochloride), is used as a chromogen substrate in immunoblotting.DAB produces a brown colour during the enzymatic degradation of H2SO4 by horseradish peroxidase. Each tablet contains 10 mg of DAB and dissolves in distilled water in less than 5 minutes. Stability life time is 18 months at 4°C.
Fast Red is used as a chromogen substrate in immunoblotting and immunohistochemistry using alkaline phosphatase antibody conjugates. Each tablet contains 0.5 mg naphthol phosphate, 2 mg FAST RED chromogen and 0.4 mg levamisole, an inhibitor of endogenous enzyme activity. Stability life time is 18 months at 4°C.
The pNPP (p-NitroPhenyl Phosphate) liquid, ready-to-use substrate is a highly active and stable formulation utilized for measuring AP- (Alkaline Phosphatase) probe activity. The solution is a solvent free buffer solution containing stabilized pNPP using sodium azide as preservative. In kinetic assays p-nitrophenol appears yellow and is measured at 405 /650 nm. If stopped reactions are preferred, add equal amounts of 1 .0 M s…
The liquid BCIP/NBT is the most commonly used substrate for colorimetric determination of Alkaline Phosphatase (AP) activity in membrane tests. We offer an aqueous buffered solution containing NBT (NitroBlue Tetrazolium) and BCIP (Bromo-Chloro-Indolyl Phosphate) forming a blue/purple precipitate at the positive sites. The colour develops when AP catalyses the dephosphorylation of BCIP. The intense blue/purple precipitate is…
TMB (3,3´,5,5´- tetramethylbenzidine) is a substrate for horseradish peroxidase (HRP). Our mono-component, liquid TMB solutions combine TMB, substrate buffer and hydrogen peroxide for a safe, ready-to-use, one step, chromogen system. The products do not contain harmful solvents. Recommended for ELISA procedures, liquid TMB yields a soluble blue end product read at 655 nm. The TMB reaction may be stopped with 0.2 M H2SO4 resu…
This new type of TMB with a red indicator combines all the important qualities of TMB ONE, eliminating possible mistakes during pipetting. Further the red colour may be useful in automatic analyzers giving the warning "Reagent low" when it is time for filling up the substrate.The red indicator disappears after addition of the stopping solutionand will neither affect the sensitivity nor the stability of the substrate. Stability…
The TMB PLUS has a higher activity level, resulting in a higher sensitivity and a reduced incubation time than found using the TMB ONE. TMB is a substrate for HRP. The mono-component, liquid TMB solution combines TMB, substrate buffer and hydrogen peroxide for a safe, ready-to-use, one step, chromogen system.The product does not contain harmful solvents. Recommended for ELISA procedures, liquid TMB yields a soluble blue end pr…
This new type of TMB with a red indicator combines all the important qualities of TMB PLUS, eliminating possible mistakes during pipetting.Further the red colour may be useful in automatic analyzers giving the warning "Reagent low" when it is time for filling up the substrate. The red indicator disappears after addition of the stopping solution and will neither affect the sensitivity nor the stability of the substrate. Stabili…
TMB is a substrate for HRP. Our mono-component, liquid TMB solution combine TMB, substrate buffer and hydrogen peroxide for a safe, ready-to-use, one step, chromogen system.The products do not contain harmful solvents. The TMB X-tra is a unique TMB substrate with an excellent resistancy and the highest sensitivity.
This TMB X-tra with red indicator combines all the important qualities of TMB X-tra eliminating possible mistakes during pipetting.Further the red colour may be useful in automatic analyzers giving the warning “Reagent low” when it is time for filling up the substrate. The red indicator disappears after addition of the stopping solution and will neither affect the sensitivity nor the stability of the substrate.
Contents: One pre-coated microtiter plate and all reagents Storage Conditions: Keep at 4ºC for greatest stability. Range: 12.5 – 500 pg/ml Speed: Overnight incubation (26 hrs. 15 min.) Specificity: Mouse IFN-αA. No cross-reactivity with mouse IFN-β or IFN-γ. No cross-reactivity with human IFN-α.
This kit is an enzyme-linked immunosorbent assay (ELISA) for quantitative determination of Total ADP in 10µl of rat serum, plasma or cell culture supernatants and does not cross react with Rat ADP. Format:ELISA / EIA;Sample Type:Serum, Plasma, Cell Culture;Sample Size:10 µl;Size:96 Wells; Range:0.5 - 32 ng/ml; Sensitivity:50 pg/ml; Incubation Time:3 hours 20 minutes
Mannan-binding lectin (MBL) is a plasma protein that activates the complement system on binding to invading pathogens It also has more subtle immunomodulatory effects. Genetically determined MBL deficiency has been shown to be associated with increased susceptibility to infections in conditions such as: Immunosuppression, during cancer chemotherapy, after organ transplantation, immature adaptive immune system and in early chi…
