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AlphaLISA technology allows the detection of molecules of interest in buffer, cell culture media, serum and plasma in a highly sensitive, quantitative, reproducible and user-friendly mode. In an AlphaLISA assay, a Biotinylated Anti-Analyte Antibody binds to the Streptavidin-coated Alpha Donor beads, while another Anti-Analyte Antibody is conjugated to AlphaLISA Acceptor beads. In the presence of the analyte, the beads come into close proximity. The excitation of the Donor beads provokes the release of singlet oxygen molecules that triggers a cascade of energy transfer in the Acceptor beads, resulting in a sharp peak of light emission at 615 nm.
Platelet-derived Growth Factor (PDGF) helps to regulate cell growth and division, specifically angiogenesis. PDGF is a dimeric glycoprotein. It can exist as a homodimer of the A chains, B chains, or as a heterodimer (AB). This kit detects the PDGF-BB homodimer. Mostly synthesized in platelets, PDGF can also be derived from smooth muscle cells, activated macrophages, and endothelial cells. Recombinant PDGF has been used to help heal chronic ulcers and to treat bone loss. The deregulation of PDGF signaling has been linked to many inflammatory diseases including: atherosclerosis, pulmonary hypertension and fibrosis.
|Assay Target Class||Protein|
|Product Brand Name||AlphaLISA|
|Shipping Condition||Blue Ice|
|Unit Size||100 Assay Points|
The introduction of enzyme-linked immunosorbent assays (ELISAs) in the early 1970’s offered researchers a non-radiometric immunoassay platform without compromising sensitivity. Over the last 50 years scientists have made huge strides in disease research and drug discovery and a demand for greater assay throughput and sensitivity has evolved. In response, more robust immunoassays have been developed to address some of the limitations of the standard, colorimetric ELISA.
Find out about the most common limitations of traditional ELISAs and how different ELISA alternative technologies address these limitations.