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Please note control lysates are sold separately, catalog number TRF4024S.
LANCE® and LANCE® (Lanthanide chelate excite) Ultra are homogeneous (no wash) TR-FRET (time-resolved fluorescence resonance energy transfer) technologies. One antibody of interest is labeled with a donor fluorophore (a LANCE Europium chelate) and the second antibody is labeled with an acceptor fluorophore [ULight™ dye]. Upon excitation at 320 or 340 nm, energy can be transferred from the donor Europium chelate to the acceptor fluorophore if sufficiently close for FRET (~10 nm). This results in the emission of light at 665 nm. Data are represented as ratiometric (665/615 nm X 10,000).
ZAP-70 (Zeta-chain-associated protein kinase 70) is normally expressed near the surface membrane of T-cells and natural killer cells, but levels in B-cells can be an indicator for various forms of leukemia. ZAP-70 is recruited to the TCR/CD3 complex in order to be phosphorylated. Once phosphorylated, ZAP-70 promotes downstream phosphorylation of proteins such as SLP76 and ERK.
|Assay Target Class||Phosphoprotein|
|Detection Method||Time-Resolved Fluorescence (TRF), TR-FRET|
|Product Brand Name||LANCE Ultra|
|Shipping Condition||Blue Ice|
|Unit Size||500 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.