Thermo Scientific™ Haemophilus Isolation Agar w/bacitracin and horse blood

Description

• Selectively isolate Haemophilus species from respiratory specimens with Thermo Scientific™ Remel™ Haemophilus Isolation Agar w/bacitracin and horse blood
• Haemophilus influenzae, a fastidious gram-negative bacillus, is a common cause of serious diseases of the upper and lower respiratory tract 1
• Haemophilus Isolation Agar w/bacitracin and horse blood is a solid media recommended for use in qualitative procedures for selective isolation of Haemophilus spp
• from respiratory specimens
• Selective : Kanamycin and vancomycin antibiotics inhibit gram-positive organisms and facultative anaerobic bacteria
• Neomycin stimulates the growth of gram-negative anaerobes, especially Bacteriodes spp
• Colistin and nalidixic inhibit the growth of most gram-negative bacilli
• Enriched medium: The presence of intact erythrocytes in horse blood enables differentiation of hemolytic and nonhemolytic Haemophilus spp
• Horse blood, unlike sheep blood, does not contain V factor-inactivating enzymes
• Ready-to-use : Convenience of prepared media
• Beef heart Infusion and casein peptone supply the nutritional requirements for all but the fastidious bacteria
• Horse sheep supplies both the X and V factors, which are growth requirements for certain organisms, such as Haemophilus influenzae
• Horse blood also serves to distinguish the hemolytic species of Haemophilus from non-hemolytic Haemophilus species
• Bacitracin inhibits normal flora found in respiratory cultures, particularly Neisseria spp
• 4
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• Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.