上海藍(lán)基生物科技有限公司致力于打造中國頗具實(shí)力的elisa試劑盒和抗體生產(chǎn)商，主營生產(chǎn)elisa試劑盒和抗體；試劑品種齊全，品質(zhì)保證，良好的售后服務(wù)體系和購買產(chǎn)品的很好的獎(jiǎng)勵(lì)制度；

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INTENDED USE

This B.G Protein S ELISA kit is intended Laboratory for research use only and is not for use in diagnostic or therapeutic procedures.The Stop Solution changes the color from blue to yellow and the intensity of the color is measured at 450 nm using a spectrophotometer. In order to measure the concentration of Protein S in the sample, this Protein S ELISA Kit includes a set of calibration standards. The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of Optical Density versus Protein S concentration. The concentration of Protein S in the samples is then determined by comparing the O.D. of the samples to the standard curve.

PRINCIPLE OF THE ASSAY

This Protein S enzyme linked immunosorbent assay applies a technique called a quantitative sandwich immunoassay. The microtiter plate provided in this kit has been pre-coated with a monoclonal antibody specific for Protein S. Standards or samples are then added to the microtiter plate wells and Protein S if present, will bind to the antibody pre-coated wells. In order to quantitatively determine the amount of Protein S present in the sample, a standardized preparation of horseradish peroxidase (HRP)-conjugated polyclonal antibody, specific for Protein S are added to each well to “sandwich” the Protein S immobilized on the plate. The microtiter plate undergoes incubation, and then the wells are thoroughly washed to remove all unbound components. Next, A and B substrate solution is added to each well. The enzyme (HRP) and substrate are allowed to react over a short incubation period.Only those wells that contain Protein S and enzyme-conjugated antibody will exhibit a change in colour. The enzyme-substrate reaction is terminated by the addition of a sulphuric acid solution and the colour change is measured spectrophotometrically at a wavelength of 450 nm.

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