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This classroom kit enables students 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 designed for a class of 30 students working in 10 groups of 3, and includes a prepaid coupon to request delivery of perishable materials.
Do your students understand the relative effectiveness of disinfectants and antiseptics? Both contain chemical compounds that either inhibit or kill microorganisms. This kit enables students 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 designed for a class of 30 students working in 10 groups of 3. Note: Includes a prepaid coupon to request perishables later at your convenience. Contact us or return the coupon to request delivery of perishable materials.
|Escherichia coli Broth Culture||1||Included|
|Bacillus cereus Broth Culture||1||Included|
|Nutrient Agar, 125-mL Bottles||4||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|
|Alcohol Prep Wipes||24||Included|
|Autoclavable Disposal Bag||1||Included|
|Sterile Water, 10 mL||2||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)||10||Needed, Not Included|
|Labeling Markers||10||Needed, Not Included|
|Metric Rulers||10||Needed, Not Included|
|Plastic Cups or Beakers, 125 mL||12||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|