Price with discount: $12.95 |
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Product Details
- Shipped directly from EZ BioResearch production facility. Guaranteed freshness.
- Special nutrient formulation for guaranteed bacterial growth and long storage shelf life.
- Prepoured agar plates are ready to use. No messy microwave or heating is needed. Safe for children.
- 10 sterile 6-inch long swabs for easy sample pickup. Conveniently packed with 2 per pouch.
- Secure packaging and trackable shipping. Great for school science fair projects.
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Customer Review
Ready to go Petri dish - don't have to mix up your own nutrient agar
This is a set of 10 Petri dishes which come with pre-poured nutrient agar. For those of you who are culturing micro-organisms for the first time, a Petri dish itself is just a plastic (or less often, glass) dish with a cover on it. Organisms won't grow in it unless food is provided for them in the dish. Most commonly this is done with "nutrient agar" which is (as you might imagine) a mixture of nutrients and agar that comes in a powder form. The powder is mixed with water and the mixture is heated up until the powder has dissolved into the water; the hot liquid is then poured into the Petri dishes and allowed to cool before use.This set of Petri dishes already has had all of that done for you so all you need to do is put the micro organisms in and wait for them to grow. It's very convenient but there is extra cost because of this. I was quite pleased with the dishes I received; they were well-packaged, free of contamination, and most definitely ready to go. The...
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October 6, 2011
(Modesto, California, United States) | Helpful Votes: 17 | Rating: 5
Product Description
What is inside the package:
1) 10 Pre-poured LB-agar plates (100 x 15 mm Petri Dish)
2) 10 sterile swabs (in 5 pouches)
Storage condition and shelf life:
Store agar plates at 4 oC refrigerator with a shelf-life of up to 30 days.
Instructions:
LB-agar plates contain a yellowsih nutrient agar layer in the bottom half of a Petri dish. This yellowish layer is used to culture bacteria and other micro-organisms.
Sterile swabs are used to pick up bacteria and seed them on to the agar plates.
After the plates are swabbed, the plates should be incubated at 37 oC for optimal bacterial growth. Normally 24 hr incubation should be enough to see the appearance of bacterial colonies. Incubation at 25 oC or room temperature should take considerable longer time (2 to 3 days) to see bacterial colonies.
Notice:
1) The plates should be placed in an upside down position to prevent water condensation.
2) The plates should be placed in a closed box (NOT sealed) to minimize the chance of contamination.
3) The experiment should be terminated after 5 days. Prolonged incubation is strongly discouraged due to possible contamination in a non-sterile environment.
For more info, search internet using key words such as agar plates. Top to learn more
Petri Dishes for Second Grade Experiment on Germs
I ordered the petri dishes for my second graders unit on Germs. They worked beautifully. In the past, I would make a solution with agar, but it took a long time and it was a hassle. These dishes and swabs were perfect for our experiment. The students loved it and learned a lot about germs being everywhere - even in our classroom.
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November 2, 2011
(Pacifica, CA USA) | Helpful Votes: 6 | Rating: 3
Perfect for what I needed.
The plates came in secure packaging. Nice clear agar, no contams whatsoever. After collecting my samples and finishing my research, I was able to autoclave the petri dishes and reuse them.
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August 13, 2011
| Helpful Votes: 6 | Rating: 3
