Antibody SpecificityImmunoassayEnzyme-Linked Immunosorbent AssayAntibodiesSensitivity and SpecificityAntibodies, MonoclonalAntibodies, ViralAntibodies, BacterialAntibodies, NeutralizingAntibody FormationEpitopesAntibody AffinityCross ReactionsHIV AntibodiesBinding Sites, AntibodyFluorescent Antibody TechniqueAntibodies, Anti-IdiotypicImmunoglobulin GAutoantibodiesAntigen-Antibody ReactionsMolecular Sequence DataImmunoglobulin MAmino Acid SequenceNeutralization TestsAntigen-Antibody ComplexImmune SeraRabbitsSubstrate SpecificityEpitope MappingImmunizationAntibodies, ProtozoanAntibodies, NeoplasmImmunoglobulin Fab FragmentsMice, Inbred BALB CAntibodies, AntinuclearHybridomasImmunoglobulin AImmunoglobulin Variable RegionAntigensSpecies SpecificityHaptensAntigens, BacterialIsoantibodiesRadioimmunoassayAntibodies, FungalAutoantigensPeptidesBlotting, WesternImmunoblottingB-LymphocytesAntibodies, BispecificElectrophoresis, Polyacrylamide GelSingle-Chain AntibodiesMolecular WeightImmunoglobulin Heavy ChainsHIV Envelope Protein gp120ImmunohistochemistryAntibodies, BlockingHIV-1Base SequenceAntibodies, HeterophileImmunoenzyme TechniquesAntibodies, CatalyticPolymerase Chain ReactionCell LineFluorescent Antibody Technique, IndirectRecombinant ProteinsAntibodies, Monoclonal, HumanizedLimit of DetectionAntibodies, AntiphospholipidTime FactorsAntigens, ViralAntigens, SurfaceKineticsReproducibility of ResultsCattleCells, CulturedImmunization, PassiveImmunoglobulin FragmentsHemagglutination TestsProtein BindingComplement Fixation TestsBinding SitesPeptide LibraryAntigens, NeoplasmT-LymphocytesHemagglutination Inhibition TestsEvaluation Studies as TopicRecombinant Fusion ProteinsReagent Kits, DiagnosticImmunologic TechniquesBinding, CompetitiveFlow CytometrySerologic TestsCloning, MolecularSeroepidemiologic StudiesImmunoglobulin IdiotypesPeptide FragmentsEscherichia coliAntibodies, Antineutrophil Cytoplasmic