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ELISA – Multimedia

A Mix-and-Read Cell-Based Assay for Antibody Screening Against Epidermal Growth Factor Receptor content piece image
Poster

A Mix-and-Read Cell-Based Assay for Antibody Screening Against Epidermal Growth Factor Receptor

The conventional antibody screening assay based on antibody-antigen binding has been enzyme-linked immunosorbent assay (ELISA). While tedious and consuming, ELISA has proved sufficient for the identification of antibodies directed against secreted antigens. However, cell surface antigens (e.g. GPCRs) provide challenges for ELISA due to the shortage of soluble antigens and high variability resulting from loss of cells during wash procedures.
App Note / Case Study

The ELISAONE ™ Assay Performed on the POLARstar Omega from BMG LABTECH

ELISAONE ™ technology has been developed by TGR BioSciences to provide a means of running high performance sandwich immunoassays in a user-friendly 96-well format.
App Note / Case Study

High Sensitivity ELISA Assays for the Detection of Melamine Residuals in Milk

Melamine is an industrial chemical most commonly used as a fire retardant in dry powder extinguishers due to its release of nitrogen gas when burned or charred. Melamine has been used illegally by adding it to food products in order to increase the apparent protein content.
Maximizing cell wash performance with the AquaMax® 2000/4000 microplate washers content piece image
Poster

Maximizing cell wash performance with the AquaMax® 2000/4000 microplate washers

Many cell-based applications, including calcium flux assays, cell-based ELISAs, ion channel assays, and others require gentle but thorough washing of cells in order to ensure cell retention, cell integrity and optimal assay performance. The 96 cell wash head for AquaMax® 2000/4000 microplate washers from Molecular Devices uses angled pins to dispense fluid without disturbing cells. Adjustable dispense rate and aspiration height allow users to minimize disruption of even weakly adherent cells. We
Quantitative Evaluation of High-Abundance Serum Proteins Depletion  content piece image
Poster

Quantitative Evaluation of High-Abundance Serum Proteins Depletion

Identification of low abundant proteins requires relative enrichment. We have tested systems for specific removal of high abundance proteins. Efficiency of albumin and IgG removal was assessed by ELISA and 2-DE. To estimate unspecific binding, six cytokines were spiked into serum. Recovery rates were determined with a cytometric bead assay.
A Novel Array-Based Assay for the Detection of IgG-Mediated Food Intolerance  content piece image
Poster

A Novel Array-Based Assay for the Detection of IgG-Mediated Food Intolerance

The Genarrayt 200+ Foods IgG test comprises of glass slides onto which 16 microarrays of over 200 different foods have been printed. Each microarray includes standards for quantitation and positive and negative controls for quality control. Food IgGs are detected by a novel fluorescent dye labelled anti-human IgG conjugate and results are measured using a laser scanner. Fluorescence intensity is directly proportional to antibody activity in the sample.
Combined Immune Parameters and X-ray data in Early Prediction of Anti-Tuberculosis Chemotherapy Response content piece image
Poster

Combined Immune Parameters and X-ray data in Early Prediction of Anti-Tuberculosis Chemotherapy Response

20 tuberculosis (12 slow-responders and 8 fast responders) patients were treated with directly observed short course anti-tuberculosis chemotherapy. Chest X-ray was performed. sICAM-1 and suPAR were measured in serum by ELISA, TNFRs using the luminex technology. General discrimination analysis on selected analytes gave, 91.66% and 87,50% correctly classify fast responders and slow responder respectively. The support vector machine analysis gave 100% correct classification.
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