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The LANCE® Ultra Human GLP-1 (7-36) Detection Kit is designed for detection and quantitation of human GLP-1 (7-36) in cell culture media using a homogeneous TR-FRET (no-wash steps, no separation steps) assay.
LANCE® and LANCE® (Lanthanide chelate excite) Ultra are our TR-FRET (time-resolved fluorescence resonance energy transfer), homogeneous (no wash) technologies. One antibody of interest is labeled with a donor fluorophore (a LANCE Europium chelate) and the second molecule 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.
The Glucagon-Like Peptide-1 (GLP-1 (7-36 amide)) is a 30-31 oligopeptide, generated from proglucagon, secreted by the enteroendocrine L cells of the small and large intestine, in a nutrient-dependent manner (some GLP-1 (7-36 amide) is also produced by the pancreatic α-cells and in the central nervous system). Circulating GLP-1 (7-36 amide) levels rapidly increase shortly after ingestion, playing a significant role in the inhibition of gastric emptying and food intake. It is also important for blood glucose homeostasis through the stimulation of insulin biosynthesis and secretion, islet proliferation, and the inhibition of glucagon secretion. Moreover, it regulates hypothalamic-pituitary function and GLP-1 activated circuits mediate the central nervous system response to aversive stimulation. In the circulation, the active form of GLP-1 (GLP-1 (7-36 amide)) is promptly inactivated by the dipeptidyl peptidase IV (DP IV).
|Assay Target Class||Peptide|
|Detection Method||Time-Resolved Fluorescence (TRF), TR-FRET|
|Experimental Type||In vitro|
|Product Brand Name||LANCE Ultra|
|Shipping Condition||Blue Ice|
|Unit Size||10,000 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.