The AlphaLISA® Human Amyloid beta 1-40 (Aß 1-40) (high specificity) Detection Kit is designed for detection and quantitation of human Aß 1-40 in cerebrospinal fluid (CSF), buffered solution or cell culture medium in a homogeneous (no-wash steps, no separation steps) assay.
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|Part Number||Unit Size||List Price||Your Price||Quantity|
|AL275C||500 assay points||2827.00 USD|
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One antibody is specific to the ß-secretase cleavage site at the N-terminus: mouse monoclonal antibody, clone number 82E1. The second antibody is a polyclonal antibody specific to the C-terminus of Aß 1-40.
Amyloid beta (Aß) is a short peptide derived from the proteolysis of a larger transmembrane molecule, the amyloid precursor protein (APP). The ß- and ?-secretases cleave the respective N- and C-terminal ends of the Aß sequence, liberating the Aß peptide from APP. Aß40 is the major species of Aß produced by neurons and other cells, and accounts for over 70% of total Aß produced, while the remaining 10-20% is comprised of the longer Aß42, and other species. Aß42 has a greater propensity to form aggregates or fibrils and also has a greater neuronal toxicity in tissue culture models than Aß40, implying that Aß42 is a more important factor in Alzheimer's disease (AD) pathogenesis and plaque formation. Levels of Aß42 in cerebrospinal fluid are decreased in the majority of AD subjects (probably due to its aggregation into plaques), making it an important biomarker for this disease.
AlphaLISA technology allows the detection of molecules of interest in a no-wash, highly sensitive, quantitative assay. In an AlphaLISA assay, a biotinylated anti-analyte antibody binds to the Streptavidin-coated 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 causes 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.
Disclaimer: For research use only. Not for use in diagnostic procedures.
|Assay Target Class||Peptide|
|Experimental Type||In vitro|
|Product Brand Name||AlphaLISA|
|Shipping Condition||Blue Ice|
|Therapeutic Area||Central Nervous System|
|Unit Size||500 assay points|
|Resource Type||File Name||File Format|
|Brochure||Alpha product listing||PDF 127 KB|
|Technical Note||HiBlock Buffer Technical Data Sheet||PDF 333 KB|
|Data Sheet||Manual AlphaLISA Aß 1-40 (high specificity) AL275||PDF 208 KB|
|Poster||AlphaLISA Assays are Homogeneous Sensitive Immunoassays for Detection of Analytesin a Variety of Biological Matrices||PDF 273 KB|
|Event||Society of Laboratory Automation & Screening (SLAS)||Event|