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Sandwich ELISA kit
Immunometric assays, also known as sandwich ELISAs (enzyme-linked immunosorbent assay), use two antibodies specific to the antigen to capture or "sandwich” antigen in the well for detection. Immunometric assays exhibit a direct correlation between antigen concentration and substrate response. Immunometric assays typically employ a "capture” antibody coated on the plate to bind the antigen of interest. During a second incubation, the antigen is bound by a second "detection” antibody that is also specific to the antigen. The detection antibody can either be bound by a secondary antibody-enzyme conjugate, or the detection antibody itself is enzyme-conjugated. When chromogenic substrate is added to the assay to develop color, samples with high antigen concentration generate more signal than those with low antigen concentration, producing a signal directly proportional to the amount of antigen in the sample. This correlation can then be used to extrapolate the concentration of antigen in an unknown sample from a standard curve.

  • CAT. #
  • PRODUCT NAME
  • SAMPIE
  • PRICE
  • EIA-402C
  • Human TNF ELISA Kit
  • cell culture supernatants, human plasma (EDTA, heparin and citrate), serum, cerebrospinal fluid, urine, synovial fluid or other body fluids
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Cat.#: EIA-457C Product Name: Human LEPR ELISA Kit
Sample: human serum, plasma and other biological fluids Species:
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Cat.#: EIA-458C Product Name: Human Layilin, LAYN ELISA Kit
Sample: Species:
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Cat.#: EIA-459C Product Name: Human Lambda ELISA Kit
Sample: serum, plasma, cerebrospinal fluid, milk, and urine Species:
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Cat.#: EIA-460C Product Name: Human KLK3 ELISA Kit
Sample: serum samples Species:
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Cat.#: EIA-461C Product Name: Human KIT Ligand, KITLG ELISA Kit
Sample: Species:
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Cat.#: EIA-462C Product Name: Human Kallikrein-Related Peptidase 11, KLK11 ELISA Kit
Sample: Species:
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Cat.#: EIA-463C Product Name: Human Interleukin 9, IL9 ELISA Kit
Sample: Species:
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Cat.#: EIA-464C Product Name: Human Interleukin 9, IL9 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-465C Product Name: Human Interleukin 8, IL8 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-466C Product Name: Human Interleukin 8, IL8 ELISA Kit
Sample: Species:
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Cat.#: EIA-467C Product Name: Human Interleukin 6, IL6 ELISA Kit
Sample: Species:
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Cat.#: EIA-468C Product Name: Human Interleukin 6 Receptor, IL6R ELISA Kit
Sample: Species:
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Cat.#: EIA-469C Product Name: Human Interleukin 6 (Interferon, Beta 2), IL6 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-470C Product Name: Human Interleukin 5, IL5 ELISA Kit
Sample: Species:
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Cat.#: EIA-471C Product Name: Human Interleukin 5 (colony-stimulating factor, eosinophil), IL5 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-472C Product Name: Human Interleukin 4, IL4 ELISA Kit
Sample: Species:
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Cat.#: EIA-473C Product Name: Human Interleukin 4, IL4 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-474C Product Name: Human Interleukin 32, IL32 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-475C Product Name: Human Interleukin 31, IL31 ELISA Kit
Sample: Species:
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Cat.#: EIA-476C Product Name: Human Interleukin 3(colony-stimulating factor, multiple), IL3 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-477C Product Name: Human Interleukin 25, IL25 ELISA Kit
Sample: Species:
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Cat.#: EIA-478C Product Name: Human Interleukin 23, Alpha Subunit p19, IL23A ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-479C Product Name: Human Interleukin 22, IL22 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-480C Product Name: Human Interleukin 21, IL21 ELISA Kit
Sample: Species:
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Cat.#: EIA-481C Product Name: Human Interleukin 21, IL21 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-482C Product Name: Human Interleukin 20 Receptor, Alpha, IL20RA ELISA Kit
Sample: Species:
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Cat.#: EIA-340C Product Name: Mouse ADP ELISA Kit
Sample: serum, plasma, tissue homogenates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-341C Product Name: Mouse ACV-A ELISA Kit
Sample: serum, plasma, tissue homogenates, cell culture supernates and other biological fluids. Species:
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Cat.#: EIA-358C Product Name: Influenza B HA ELISA Kit
Sample: Species:
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Cat.#: EIA-362C Product Name: Influenza A H5N1 (Avian Flu) Hemagglutinin, HA ELISA Kit
Sample: Species:
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Cat.#: EIA-363C Product Name: Influenza A H3N2 HA1 Hemagglutinin, HA1 ELISA Kit
Sample: Species:
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Cat.#: EIA-364C Product Name: Influenza A 2009 H1N1 Influenza (Swine Flu) Hemagglutinin, HA ELISA Kit
Sample: Species:
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Cat.#: EIA-380C Product Name: Human V-erb-b2 Erythroblastic Leukemia Viral Oncogene Homolog 2, Neuro / glioblastoma Derived Oncogene Homolog (avian), ERBB2 ELISA Kit
Sample: Species:
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Cat.#: EIA-381C Product Name: Human VEGFR1 ELISA Kit
Sample: serum, plasma, tissue homogenates and other biological fluids Species:
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Cat.#: EIA-382C Product Name: Human VEGFC ELISA Kit
Sample: serum, plasma, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-383C Product Name: Human VEGFA ELISA Kit
Sample: cell culture supernatants, human serum, plasma (EDTA, heparin and citrate), CSF and urine Species:
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Cat.#: EIA-386C Product Name: Human Vascular Endothelial Growth Factor A, VEGFA ELISA Kit
Sample: Species:
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Cat.#: EIA-387C Product Name: Human Vascular Endothelial Growth Factor A, VEGFA ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-388C Product Name: Human Vascular Cell Adhesion Molecule 1, VCAM1 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-389C Product Name: Human uPAR ELISA Kit
Sample: human serum, plasma and other biological fluids Species:
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Cat.#: EIA-390C Product Name: Human uPA ELISA Kit
Sample: human serum, plasma, tissue homogenates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-391C Product Name: Human Tumor Necrosis Factor, TNF ELISA Kit
Sample: Species:
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Cat.#: EIA-392C Product Name: Human Tumor Necrosis Factor Receptor Superfamily, Member 13B, TNFRSF13B ELISA Kit
Sample: Species:
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Cat.#: EIA-393C Product Name: Human Tumor Necrosis Factor (TNF superfamily, member 2), TNF ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-394C Product Name: Human Tumor Necrosis Factor (Ligand) Superfamily, Member 15, TNFSF15 ELISA Kit
Sample: Species:
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Cat.#: EIA-395C Product Name: Human Tumor Necrosis Factor (Ligand) Superfamily, Member 12, TNFSF12 ELISA Kit
Sample: Species:
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Cat.#: EIA-396C Product Name: Human TSH ELISA Kit
Sample: serum Species:
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Cat.#: EIA-397C Product Name: Human Transforming Growth Factor, Beta 1, TGFB1 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-398C Product Name: Human TRAIL ELISA Kit
Sample: human serum, plasma, tissue homogenates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-399C Product Name: Human TNFSF11 ELISA Kit
Sample: EDTA PLASMA, HEPARIN PLASMA, SERUM OR CELL CULTURE Species:
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Cat.#: EIA-400C Product Name: Human TNFRSF11B ELISA Kit
Sample: EDTA PLASMA, HEPARIN PLASMA, SERUM OR CELL Species:
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Cat.#: EIA-401C Product Name: Human TNFb ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-402C Product Name: Human TNF ELISA Kit
Sample: cell culture supernatants, human plasma (EDTA, heparin and citrate), serum, cerebrospinal fluid, urine, synovial fluid or other body fluids Species:
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Cat.#: EIA-403C Product Name: Human TIMP3 ELISA Kit
Sample: serum, plasma, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-404C Product Name: Human TIMP2 ELISA Kit
Sample: human serum, plasma and other biological fluids Species:
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Cat.#: EIA-405C Product Name: Human TIMP Metallopeptidase Inhibitor 1, TIMP1 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-406C Product Name: Human Tie2 ELISA Kit
Sample: human tissue homogenates and other biological fluids Species:
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Cat.#: EIA-409C Product Name: Human Thymic Stromal Lymphopoietin, TSLP ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-410C Product Name: Human TF ELISA Kit
Sample: serum, plasma, cerebrospinal fluid, milk, and urine Species:
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Cat.#: EIA-414C Product Name: Human Surv ELISA Kit
Sample: human serum, plasma and other biological fluids Species:
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Cat.#: EIA-415C Product Name: Human SOST ELISA Kit
Sample: HUMAN SERUM Species:
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Cat.#: EIA-416C Product Name: Human SERPINA1 ELISA Kit
Sample: serum, plasma, milk, and colostrum Species:
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Cat.#: EIA-417C Product Name: Human Serpin Peptidase Inhibitor, Clade E (nexin, plasminogen activator inhibitor type 1), Member 1, SERPINE1 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-418C Product Name: Human Selectin P (Granule Membrane Protein 140kDa, Antigen CD62), SELP ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-419C Product Name: Human SAA ELISA Kit
Sample: serum, plasma, cell culture supernatant, other biological fluids Species:
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Cat.#: EIA-420C Product Name: Human RUBELLA virus IgM ELISA kit
Sample: human serum and plasma Species:
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Cat.#: EIA-421C Product Name: Human Resistin, RETN ELISA Kit
Sample: Species:
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Cat.#: EIA-422C Product Name: Human Resistin, RETN ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-423C Product Name: Human RBP4 ELISA Kit
Sample: human serum, plasma and other biological fluids Species:
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Cat.#: EIA-424C Product Name: Human Prokineticin 1, PROK1 ELISA Kit
Sample: Species:
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Cat.#: EIA-425C Product Name: Human Programmed Cell Death 1, PDCD1 ELISA Kit
Sample: Species:
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Cat.#: EIA-426C Product Name: Human PLGF ELISA Kit
Sample: human serum, plasma tissue homogenates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-427C Product Name: Human Platelet / Endothelial Cell Adhesion Molecule, PECAM1 ELISA Kit
Sample: Species:
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Cat.#: EIA-428C Product Name: Human Plasminogen Activator, Tissue, PLAT ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-429C Product Name: Human PDGFAB ELISA Kit
Sample: human serum, plasma, tissue homogenates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-430C Product Name: Human PAI1 ELISA Kit
Sample: human plasma, cell lysates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-431C Product Name: Human oxLDL ELISA Kit
Sample: HUMAN SERUM, CITRATE PLASMA, EDTA PLASMA OR HEPARIN PLASMA Species:
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Cat.#: EIA-432C Product Name: Human OPN ELISA Kit
Sample: human serum, plasma, tissue homogenates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-433C Product Name: Human OPG ELISA Kit
Sample: human serum, plasma, tissue homogenates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-434C Product Name: Human oLDL ELISA Kit
Sample: SERUM Species:
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Cat.#: EIA-436C Product Name: Human NT3 ELISA Kit
Sample: human serum, plasma, tissue homogenates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-438C Product Name: Human NPPA ELISA Kit
Sample: EDTA PLASMA, HEPARIN PLASMA, SERUM, URINE OR CELL CULTURE SUPERNATANTS Species:
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Cat.#: EIA-439C Product Name: Human Nerve Growth Factor (Beta Polypeptide), NGF ELISA Kit
Sample: Species:
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Cat.#: EIA-440C Product Name: Human Nephroblastoma Overexpressed Gene, NOV ELISA Kit
Sample: Species:
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Cat.#: EIA-441C Product Name: Human MPO ELISA Kit
Sample: human serum, plasma, tissue homogenates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-442C Product Name: Human MMP9 ELISA Kit
Sample: human serum, plasma, tissue homogenates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-443C Product Name: Human MMP8 ELISA Kit
Sample: human serum, plasma, tissue homogenates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-444C Product Name: Human MMP7 ELISA Kit
Sample: human serum, plasma and other biological fluids Species:
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Cat.#: EIA-445C Product Name: Human MMP2 ELISA Kit
Sample: human serum, plasma and other biological fluids Species:
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Cat.#: EIA-446C Product Name: Human MMP1 ELISA Kit
Sample: human serum, plasma and other biological fluids Species:
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Cat.#: EIA-447C Product Name: Human MIF ELISA Kit
Sample: human serum, plasma and other biological fluids Species:
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Cat.#: EIA-448C Product Name: Human Midkine, MDK ELISA Kit
Sample: Species:
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Cat.#: EIA-449C Product Name: Human MHC Class I Polypeptide-related Sequence B, MICB ELISA Kit
Sample: Species:
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Cat.#: EIA-450C Product Name: Human MDC ELISA Kit
Sample: human serum, plasma, tissue homogenates, cell culture supernates and other biological fluids Species:
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Cat.#: EIA-451C Product Name: Human M-CSF ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-452C Product Name: Human Matrix Metallopeptidase 3 (stromelysin 1, progelatinase), MMP3 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-453C Product Name: Human LTF ELISA Kit
Sample: plasma, urine, milk and cerebrospinal fluid Species:
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Cat.#: EIA-454C Product Name: Human LPA ELISA Kit
Sample: Human Serum, Citrate and EDTA Plasma Species:
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Cat.#: EIA-455C Product Name: Human Lipocalin 2, LCN2 ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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Cat.#: EIA-456C Product Name: Human Leptin, LEP ELISA Kit
Sample: serum, plasma and other biological fluids Species:
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