AntibodiesBinding Sites, AntibodyAntibody SpecificityAntibodies, MonoclonalAntibodies, ViralEpitopesAntibodies, BacterialAntibody AffinityAntibodies, NeutralizingAntibody FormationAntigen-Antibody ReactionsFluorescent Antibody TechniqueCross ReactionsAntigen-Antibody ComplexEpitope MappingHIV AntibodiesAntibodies, Anti-IdiotypicImmunoglobulin GAutoantibodiesMolecular Sequence DataAmino Acid SequenceImmunoglobulin Fab FragmentsNeutralization TestsEnzyme-Linked Immunosorbent AssayAntibodies, AntinuclearAntibodies, NeoplasmAntibodies, ProtozoanImmunoglobulin MImmune SeraSingle-Chain AntibodiesHybridomasMice, Inbred BALB CRabbitsAntibodies, BispecificBinding, CompetitiveAntigens, SurfaceImmunoglobulin FragmentsAntigensRecombinant ProteinsCell LineRadioimmunoassayAntibodies, FungalAntigens, BacterialPeptide FragmentsImmunoassayFluorescent Antibody Technique, IndirectProtein ConformationImmunoblottingHaptensGlycoproteinsMolecular WeightImmunosorbent TechniquesImmunoglobulin AImmunizationImmunoenzyme TechniquesPeptide LibraryProtein BindingElectrophoresis, Polyacrylamide GelFlow CytometryAntibodies, BlockingAntigens, ViralAutoantigensImmunoglobulin Variable RegionBlotting, WesternAntigens, NeoplasmKineticsBase SequenceViral Envelope ProteinsPeptidesEpitopes, B-LymphocyteCattleAntibodies, HeterophileAntibodies, CatalyticBinding SitesImmunologic TechniquesRecombinant Fusion Proteinsbeta 2-Glycoprotein ICells, CulturedModels, MolecularSurface Plasmon ResonanceB-LymphocytesImmunoglobulin IdiotypesComplement System ProteinsHIV Envelope Protein gp120Antibodies, Monoclonal, HumanizedIsoantibodiesLupus Erythematosus, SystemicImmunohistochemistryDigitoxinInsulin AntibodiesT-LymphocytesMicroscopy, ElectronCell MembraneAntibodies, AntiphospholipidImmunoglobulin EAntibody-Dependent Cell CytotoxicityPrecipitin TestsImmunochemistryImmunoglobulinsImmunoglobulin Isotypes