Human anti-hepatitis C virus antibody,anti-HCV ELISA Kit, 96T

Human anti-hepatitis C virus antibody, anti-HCV ELISA Kit, 96T

Purpose

This kit is used for the determination the existence of Human Anti-hepatitis C Virus Antibody (anti-HCV) in human serum, plasma, cell culture supernatants, and other biological fluids.
Principle of the assay

The kit assays human anti-HCV in the samples by the method of purified HCV antigen pre-coated enzyme-labeled SPA ELISA. The solid-phase antigen is prepared by purified human HCV antigen which is pre-coated onto a microplate. After loading of samples, the anti-HCV in the controls or samples bind with the coated antigen. Then the Staphylococcal protein A (SPA)-enzyme immunoglobulin conjugates has been added into wells. After washing to remove any unbound reagent, the tetramethylbenzidine (TMB) substrate is added. TMB substrate produces blue color when catalyzing by the HRP enzyme. After reaching the desired color intensity, the reaction is terminated by addition of an acidic Stop solution which changes the solution color from blue to yellow. Determining the absorbance (OD Value) at wave length 450 nm by the microwell reader, and the existence of anti-HCV can be calculated according to OD from positive or negative controls.

Calculation

1.       Average the duplicate readings for each control and sample and subtract the average of blank well (1 x sample buffer only).

2.       Determine P/N value: P/N= OD_sample / (OD_positive X 10 % + OD_negative). If OD_positive is more than 2.5, please use 2.5 as the value. OD_positive or OD_negative is the OD₄₅₀ from positive or negative control.

3.       If P/N ≥ 1.0, the testing sample is anti-HCV positive; if P/N< 1.0, the testing sample is anti-HCV negative.

4.       The normal range of OD_negative should be less than 0.05, and OD_positive should be more than 0.60, otherwise the experiment may have big errors and maybe need repeating.

5.       If the OD_sample is more than 2.5 or less than 0.1, it is out of the optimal test range. Dilution or concentration of sample may be necessary for accuracy.

Kit Performance

1.       Sample from healthy people should be negative, e.g. P/N < 1.0.

2.       Specificity: simultaneous detection of recombinant or natural human anti-HCV without cross-reaction with other cytokines.

3.       Repeatability: both inter-assay and intra-assay were less than 10 %.

*Lead time of this kit is 1-2 weeks. Shipped by FedEx air. 
*Storage: 2 - 8 C. Shelf Time: 6 months.
*Kit Experimental Time:< 2 hs

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Important note: Products are intended for laboratory or manufacture use and are not to be used for diagnosis or any other purpose, which include but are not limited to, unauthorized commercial uses, ex vivo or in vivo therapeutic uses. Not for Human or Animal Consumption.