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Human LCN1 / Lipocalin 1 ELISA Pair Set

DatasheetSpecific ReferencesReviewsRelated ProductsProtocols
Human LCN1 Materials provided
Capture Ab:0.15 mg/mL of mouse anti-LCN1 monoclonal antibody. Dilute to a working concentration of 2.0 μg/mL in CBS before coating.
Detection Ab:0.25 mg/mL mouse anti-LCN1 monoclonal antibody conjugated to horseradish-peroxidase (HRP). Dilute to working concentration of 0.5 μg/mL in detection antibody dilution buffer before use.
Standard:Each vial contains 35 ng of recombinant LCN1. Reconstitute standard powder with 1 mL detection antibody dilution buffer. After reconstitution, store at -20℃ to -80℃ in a manual defrost freezer. A seven-point standard curve usi ng 2-fold serial dilutions in sample dilution buffer, and a high standard of 2000 pg/mL is recommended.
Human LCN1 Specificity
Human LCN1 Sensitivity
The minimum detectable dose of Human LCN1 / Lipocalin 1 was determined to be approximately 31.25 pg/ml. This is defined as at least three times standard deviations above the mean optical density of 10 replicates of the zero standard.
Human LCN1 Principle of the product
The human LCN1 / Lipocalin 1 ELISA Pair Set is for the quantitative determinationof human LCN1 / Lipocalin 1.
This ELISA Pair Set contains the basic components required for the development of sandwich ELISAs.
The Sino Biological ELISA Pair Set is a solid phase sandwich ELISA (Enzyme-Linked Immunosorbent Assay). It utilizes a monoclonal antibody specific for LCN1 / Lipocalin 1 coated on a 96-well plate. Standards and samples are added to the wells, and any LCN1 / Lipocalin 1 present binds to the immobilized antibody. The wells are washed and a horseradish peroxidase conjugated mouse anti-LCN1 / Lipocalin 1 monoclonal antibody is then added, producing an antibody-antigen-antibody "sandwich". The wells are again washed and TMB substrate solution is loaded, which produces color in proportion to the amount of LCN1 / Lipocalin 1 present in the sample. To end the enzyme reaction, the stop solution is added and absorbances of the microwell are read at 450 nm.
Human LCN1 Storage
Capture Antibody: Aliquot and store at -20℃ to -80℃ for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Detection Antibody: Protect it from prolonged exposure to light. Aliquot and store at -20℃ to -80℃ and for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Standard: Store lyophilized Standard at -20℃ to -80℃ for up to 6 months from date of receipt. Aliquot and store the reconstituted Standard at -80℃ for up to 1 month. Avoid repeated freeze-thaw cycles.
LCN1/Lipocalin 1 Background

Lipocalin-1, also known as Von Ebner gland protein, VEG protein, Tear prealbumin, VEGP, Tear lipocalin and LCN1, is a secreted protein which belongs to the calycin superfamily and Lipocalin family. Human Lipocalin-1 / VEGP was originally described as a major protein of human tear fluid, which was thought to be tear specific. Lipocalin-1 / VEGP is identical with lingual von Ebner's gland protein, and is also produced in prostate, nasal mucosa and tracheal mucosa. Homologous proteins have been found in rat, pig and probably dog and horse. Lipocalin-1 / VEGP is an unusual lipocalin member, because of its high promiscuity for relative insoluble lipids and binding characteristics that differ from other members. Lipocalin-1 / VEGP acts as the principal lipid binding protein in tear fluid, a more general physiological function has to be proposed due to its wide distribution and properties. Lipocalin-1 / VEGP would be ideally suited for scavenging of lipophilic, potentially harmful substances and thus might act as a general protection factor of epithelia. Lipocalin-1 / LCN1 could play a role in taste reception. It could be necessary for the concentration and delivery of sapid molecules in the gustatory system. Lipocalin-1 / LCN1 can bind various ligands, with chemical structures ranging from lipids and retinoids to the macrocyclic antibiotic rifampicin and even to microbial siderophores. It exhibits an extremely wide ligand pocket.

Human LCN1/Lipocalin 1 References
  • Lassagne H. et al., 1993, Exp. Eye Res. 56:605-609.
  • Redl,B. et al., 2000, Biochim Biophys Acta  1482 (1-2):241-8.
  • Wojnar P. et al., 2001, J. Biol. Chem. 276:20206-20212.
  • Wojnar P. et al., 2003, J. Biol. Chem. 278:16209-16215.
  • Breustedt D.A. et al., 2005, J. Biol. Chem. 280:484-493.
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    • Human LCN1 / Lipocalin 1 ELISA standard curve