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Haemophilus Influenzae anticorps

Reactivité: Haemophilus influenzae EIA, IF Hôte: Souris Monoclonal 1079-83 unconjugated
N° du produit ABIN180862
  • Antigène
    Haemophilus Influenzae
    Reactivité
    Haemophilus influenzae
    Hôte
    • 1
    Souris
    Clonalité
    • 1
    Monoclonal
    Conjugué
    • 1
    Inconjugué
    Application
    Enzyme Immunoassay (EIA), Immunofluorescence (IF)
    Purification
    Affinity Chromatography on Protein G
    Immunogène
    Native, NCTC 7279.
    Clone
    1079-83
    Isotype
    IgG2b
  • Indications d'application
    ELISA. Immunofluorescence.
    Other applications not tested.
    Optimal dilutions are dependent on conditions and should be determined by the user.
    Restrictions
    For Research Use only
  • Validation #101185 (Enzyme Immunoassay)
    'Independent Validation' signe
    by
    Department of Medical Biochemistry and Cell Biology, University of Gothenburg
    No.
    #101185
    Date
    31.08.2017
    Antigène
    H. influenzae
    Numéro du lot
    1601
    Application validée
    Enzyme Immunoassay
    Contrôle positif
    Purified human lung mucin incubated with Haemophilus influenzae and ABIN180862
    Contrôle négative
    Purified human lung mucin incubated with ABIN180862 without Haemophilus influenzae
    Conclusion
    Passed, the antigen Haemophilus influenzae antibody ABIN180862 specifically detects its antigen in human mucin samples incubated with the bacteria.
    'Independent Validation' signe
    Validation Images
    Protocole
    Anticorps primaire
    ABIN180862
    Anticorps secondaire
    anti-mouse IgG antibody HRP conjugate (Merck, AP160P)
    Full Protocol
    • Human lung mucin isolation and purification
      • Isolate mucins from bronchoalveolar lavage fluid of 8 human patients.
      • Place samples in five volumes of extraction buffer (6M guanidinium chloride (GuHCl), 5mM EDTA, 10mM sodium phosphate buffer pH6.5) containing 0.1 M PMSF.
      • Stir samples slowly ON at 4°C.
      • Reduce samples with 10ml of 10mM 1,4-dithiothreitol (DTT) in reduction buffer (6M guanidinium chloride, 5mM EDTA, 0.1M Tris-HCl buffer pH8.0) for 5h at 37°C.
      • Alkylate samples with 25mM iodoacetamide in the dark ON at 23-24°C.
      • Centrifuge samples at 23000xg for 50min at 4°C in a Beckman JA-30 rotor.
      • Dialyze samples against 10 volumes of extraction buffer for 24h at 4°C.
      • Adjust sample volume to 26ml with extraction buffer.
      • Add CsCl to a starting density of 1.39g/ml by gentle stirring.
      • Transfer samples to Quick Seal ultracentrifuge tubes (Beckman, 342699).
      • Centrifuge samples at 40000xg for 90h at 15°C in a Beckman 70-Ti rotor.
      • Collect fractions from the bottom of the tubes.
    • Glycan detection
      • Dilute gradient fractions in 0.5M GuHCl.
      • Coat fractions onto 96-well PolySorp plates (ThermoFisher Scientific, 475094) ON at 4°C.
      • Wash plates 3x with DELFIA washing solution (5mM Tris-HCl, 0.15M NaCl, 0.005% Tween 20, 0.01% NaN3, pH7.75).
      • Periodate oxidation of polysaccharide conjugates with 25mM sodium metaperiodate in 0.1M sodium acetate buffer pH5.5 for 20min at 22-24°.
      • Wash plates 3x with 200µl/well DELFIA washing solution.
      • Wash plates once with 200µl/well PBS 0.05% Tween.
      • Block plates with 200µl/well DELFIA blocking solution (50mM Tris-HCl, 0.15M NaCl, 90µM CaCl2, 4µM EDTA, 0.02% NaN3, and 0.1% BSA, 200µl/well) for 1h at 22-24°C.
      • Discard blocking buffer.
      • Incubated plates with 100µl/well 2.5µM biotin-hydrazide solution in 0.1M sodium acetate buffer pH5.5 for 1h at 22-24°C.
      • Wash plates 3x with 200µl/well DELFIA washing solution.
      • Incubate plates with 100µl europium labelled Streptavidin (PerkinElmer) diluted 1:1000 in DELFIA assay buffer (PerkinElmer) for 1h at 22-24°C.
      • Wash plates 6x with 200µl/well DELFIA washing solution.
      • Incubate plates with 200µl/well DELFIA enhancement buffer (PerkinElmer) on a shaker for 5min at 22-24°C.
      • Measure fluorescence using a Wallac 1420 VICTOR2 plate reader following the europium label protocol (PerkinElmer, Waltham, MA, USA).
    • Haemophilus influenzae binding to human lung mucins
      • Coat mucin samples onto 96-well PolySorp plates (ThermoFisher Scientific, 475094) ON at 4°C.
      • Wash plates 3x with washing buffer (PBS with 0.05% Tween 20).
      • Block wells with 200µl/well 1% Blocking Reagent for ELISA (Roche) for 1h at 22-24°C.
      • Discard blocking buffer.
      • Dilute bacteria to an OD600 of 0.05 in blocking buffer containing 0.05% Tween 20.
      • Add 100µl/well of the bacterial suspension to the coated plates.
      • Incubate plates for 2h at 37°C at 120rpm on an orbital shaker.
      • Wash plates 3x with 200µl/well washing buffer.
      • Incubate plates with 100µl/well H. influenzae antibody (antibodies-online, ABIN180862, lot 1601) diluted 1:500 in blocking buffer for 1h at 22-24°C.
      • Wash plates 3x with 200µl/well washing buffer.
      • Incubate plates with 100µl anti-mouse IgG antibody HRP conjugate (Merck, AP160P) diluted 1:5000 in blocking buffer for 1h at 22-24°C.
      • Wash plates 200µl/well washing buffer.
      • Add 100µl/well TMB substrate to the wells.
      • Incubate plates for 20min at 22-24°C.
      • Stop reaction with an equivalent amount of 0.5 M H2SO4.
      • Measure absorbance in a microplate reader at 450nm.
    Notes
  • Concentration
    1.0 mg/mL
    Buffer
    PBS, 0.09 % Sodium Azide
    Agent conservateur
    Sodium azide
    Précaution d'utilisation
    This product contains sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
    Stock
    4 °C/-20 °C
    Stockage commentaire
    Store the antibody undiluted at 2-8 °C for one month or (in aliquots) at -20 °C for longer. Avoid repeated freezing and thawing.
    Shelf life: one year from despatch.
    Date de péremption
    12 months
  • Antigène
    Haemophilus Influenzae
    Classe de substances
    Species
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