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This demonstration kit enables an individual to discover through experimentation the relative effectiveness of 5 common disinfectants and antiseptics on Escherichia coli, a Gram-negative bacterium, and Bacillus cereus, a Gram-positive bacterium. It is for use by a teacher or student working individually, and includes perishable materials for immediate use. Keep bacteria cultures at room temperature.
Do your students understand the relative effectiveness of disinfectants and antiseptics? Both contain chemical compounds that either inhibit or kill microorganisms. This demonstration kit enables an individual to discover through experimentation the relative effectiveness of 5 common disinfectants and antiseptics on Escherichia coli, a Gram-negative bacterium, and Bacillus cereus, a Gram-positive bacterium. It is for use by a teacher or student working individually. Note: Includes perishables for immediate use. Keep bacteria cultures at room temperature; do not incubate or refrigerate.
Components | Qty | Included? |
---|---|---|
Escherichia coli Broth Culture ![]() |
1 | Included |
Bacillus cereus Broth Culture ![]() |
1 | Included |
Nutrient Agar, 20-mL Tubes | 2 | Included |
Petri Dishes | 2 | Included |
Alcohol, 30 mL | 1 | Included |
Bleach Solution, 20 mL | 1 | Included |
Surface Cleaning Solution, 20 mL | 1 | Included |
Vinegar, 30 mL | 1 | Included |
Mouthwash, 20 mL | 1 | Included |
Forceps | 1 | Included |
Alcohol Prep Wipes | 3 | Included |
Autoclavable Disposal Bag | 1 | Included |
Sterile Water, 10 mL | 1 | Included |
Filter Paper | 1 | Included |
Techniques for Studying Bacteria and Fungi Manual | 1 | Included |
Teacher’s Manual with Reproducible Student Guide | 1 | Included |
Hole Punch | 1 | Needed, Not Included |
Water Bath with Thermometer (or pan of boiling water) | 1 | Needed, Not Included |
Heat-Resistant Gloves (pair) | 1 | Needed, Not Included |
Examination Gloves (pair) | 1 | Needed, Not Included |
Labeling Marker | 1 | Needed, Not Included |
Metric Ruler | 1 | Needed, Not Included |
70% Ethanol or Isopropanol (for cleaning prep area) | Needed, Not Included | |
Incubator (optional) | 1 | Needed, Not Included |
Plastic Bucket (for alternative disposal method) (optional) | 1 | Needed, Not Included |