PerkinElmer

Iodinated Compounds

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Radiometric detection is considered the gold standard for many applications, from drug discovery and development to plant sciences. 125I labeled compounds are useful in both basic research and drug discovery where they are used as tracers in radioimmunoassays (RIA) and ligands in binding studies. 125I is particularly versatile as it emits both gamma and Auger electrons. This means that can be it counted either directly, without requiring scintillation, or by using a liquid scintillation counter. We offer a wide range of 125I labeled compounds as well as customized services to label your unique compound.

We also provide customized services to 131I labeled your compound of interest.

For Research and investigative use only.

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1-12 of 74 Products & Services

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  • Alpha Bungarotoxin

    α-Bungarotoxin, [125I]-Tyr54

    α-bungarotoxin, labeled with 125I on tyrosine residue 54. α-bungarotoxin is a snake venom neurotoxin that acts as an antagonist at nicotinic acetylcholine receptors (nAChRs). This product as offered at two specific activities. Specific activity indicates how much radioactivity there is per molecule of ligand. Several of our 125I-labeled ligands are offered at maximum specific activity (2200 Ci/mmol if one 125I labeling site is available). This indicates that virtually every molecule of ligand provided in the stock vial is radiolabeled.
    Price Range : 623.00 USD - 3032.00 USD
  • Alpha Bungarotoxin

    TGF-β1 (human, recombinant), [125I]

    Transforming growth factor beta 1 (TGF-β1), labeled with 125I. TGF-β1 is a cytokine that is involved in cell growth, cell differentiation, and apoptosis.
    Price Range : 930.00 USD - 2329.00 USD
  • Alpha Bungarotoxin

    Triiodothyronine, ([125I]-T3)

    Triiodothyronine (T3) labeled with 125I. Triiodothyronine is a thyroid hormone that affects growth and development, body temperature, and heart rate. T3 detection by radioimmunoassay is a common test of thyroid gland function. This product is offered at three specific activities. Specific activity indicates how much radioactivity there is per molecule of ligand. Several of our 125I-labeled ligands are offered at maximum specific activity (2200 Ci/mmol if one 125I labeling site is available, 4400 Ci/mmol if two labeling sites are available).
    Price Range : 742.00 USD - 2765.00 USD
  • Alpha Bungarotoxin

    Thyroxine, ([125I]-T4), Specific Activity: 1080-1320 µCi/µg

    Thyroxine (T4) labeled with 125I. Thyroxine is a thyroid hormone that is responsible for regulation or metabolism. T4 detection by radioimmunoassay is a common test of thyroid disease. This product is offered at three specific activities. Specific activity indicates how much radioactivity there is per molecule of thyroxine. Several of our 125I-labeled ligands are offered at maximum specific activity (2200 Ci/mmol if one 125I labeling site is available, 4400 Ci/mmol if two labeling sites are available).
    Price Range : 841.00 USD - 2765.00 USD
  • Alpha Bungarotoxin

    IL-6 (human, recombinant), [125I]

    Interleukin 6 (IL-6), labeled with 125I. IL-6 is a cytokine that regulates cell growth, cell differentiation, and immune response, and binds to the interleukin 6 receptor (IL6R; CD126).
    Price Range : 1419.00 USD - 4748.00 USD
  • Alpha Bungarotoxin

    Motilin, [125I]

    Motilin, labeled with 125I. Motilin is a peptide hormone that binds motilin receptors, and stimulates contraction of gut smooth muscle.
    Price Range : 1269.00 USD - 2551.00 USD
  • Alpha Bungarotoxin

    PACAP27, [125I]

    Pituitary adenylate cyclase activating peptide-27 (PACAP-27), labeled with 125I. PACAP-27 binds the pituitary adenylate cyclase-activating polypeptide type I receptor (PAC1) and vasoactive intestinal peptide receptors (VPAC1 and VPAC2).
    Price Range : 877.00 USD - 2004.00 USD
  • Alpha Bungarotoxin

    Adenosine 3',5'-cyclic Phosphoric Acid, 2'-O-succinyl [125I]-Iodotyrosine Methyl Ester

    cAMP, labeled with 125I on the tyrosine methyl ester group. I-125 labeled cAMP can be used as a tracer for radioimmunoassays to detect levels of endogenous cAMP in a sample or for GPCR functional assays.
    Price Range : 417.00 USD - 5100.00 USD
  • Alpha Bungarotoxin

    Apelin 13 [125I]

    Apelin, labeled with 125 I. Apelin is the endogenous ligand for apelin receptors, and is used in receptor binding studies. Apelin 13 is a 13-amino acid peptide corresponding to residues 65-77.
    Price Range : 1098.00 USD - 3825.00 USD
  • Alpha Bungarotoxin

    Neurokinin B, [125I]His, MePhe7

    Neurokinin B (NKB), labeled with 125I on the histidine residue. Neurokinin B is involved in ovarian cycle regulation, and binds neurokinin 3 receptor (NK3R; tachykinin receptor 3), a GPCR involved in vascular remodeling, angiogenesis, and cancer.
    Price Range : 1077.00 USD - 2512.00 USD
  • Alpha Bungarotoxin

    Vasopressin (Linear), V-1A Antagonist (Phenylacetyl1, 0-Me-D-Tyr2, [125I-Arg6]-)

    Vasopressin (linear), labeled with 125I. Linear vasopressin acts as an antagonist at vasopressin receptor 1A (V1AR).
    Price Range : 1060.00 USD - 2354.00 USD
  • Alpha Bungarotoxin

    Neurokinin A, ([125I]-Substance K

    Neurokinin A (Substance K), labeled with 125I. Neurokinin A is a member of the tachykinin family of neuropeptide neurotransmitters, and is an endogenous agonist for NK-2 receptors. NK-2 receptors are potential drug targets for depression.
    Price Range : 899.00 USD - 2359.00 USD
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