IFN-gamma GoStixTM Plus

Description

IFN-gamma GoStix Plus employ a lateral flow-based detection method and accompanying smartphone application to enable rapid quantification of human IFN-gamma from cell culture supernatant or serum samples in only 10 minutes. Simply apply 20 mul of sample and 80 mul of chase buffer to a GoStix cassette, wait 10 minutes for test and control bands on the cassette to develop, and then scan the cassette using a mobile device running the GoStix Plus app to quantify the amount of IFN-gamma present in the sample. The dynamic range and reproducibility of IFN-gamma GoStix Plus are comparable to the performance of an ELISA, such that users can expect to obtain similar results in a fraction of the time. Our products are to be used forResearch Use Only. They may not be used for any other purpose, including, but not limited to, use in humans, therapeutic or diagnostic use, or commercial use of any kind. Our products may not be transferred to third parties, resold, modified for resale, or used to manufacture commercial products or to provide a service to third parties without our prior written approval. Back CytokineGoStixPlus workflow.Apply 20 mul of sample to a GoStix lateral flow cassette followed by 80 mul of chase buffer. Wait 10 minutes for the test to run, then scan the cassette using the GoStix Plus smartphone app. Back Comparison of T-cell activation methods using IFN-gammaGoStixPlus and ELISA-based methods.Human primary T cells were isolated from peripheral blood PB mononuclear cells MNCs using negative selection. T cells were subsequently activated with either CD3/CD28-coated beads, CD3/CD28 tetramer complexes, or PHA 10 mug/ml . Supernatant samples were collected at the indicated timepoints and assayed for IFN-gamma protein using IFN-gamma GoStix Plus or an IFN-gamma ELISA. Assay results were converted into IU/ml values using NIBSC reference standard 82/587. Back Quantitation of human TH1 cytokines usingGoStixPlus lateral flow assays.Purified, human primary CD3+ T cells were activated for 24 hours using tetrameric antibody complexes to cell-surface ligands CD3, CD28, and CD2. Cell culture supernatants were collected at the indicated timepoints post activation and analyzed using IL-2, IFN-gamma, and TNF-alpha GoStix Plus assays and the accompanying GoStix Plus app. Back Timelines associated with commonly used methods for measuring cytokines.GoStixPlus:a lateral flow-based quantitation method.FastELISA:measurement using targeted, preformulated ELISA reagents.Standard ELISA:measurement using standard direct or indirect sandwich assay.Bead array:multiparametric measurement by flow cytometry of bead-based, immunocapture of cytokines.Glass array:multianalyte measurement using quantitative, glass-slide multiplex ELISA microarray platform. Assay durations were taken from manufacturers protocols. Back