5 ways to grow bacteria, prepare cultures and petri dishes. Also learn about antibacterial agents, how bacteria can help/harm and more. Read HST's blog now!

The ever-popular growing bacteria in agar activity is eye-opening, fascinating, and well, kind of disgusting! But it’s an activity I highly recommend for all ages. There is much to learn! We used this kit which comes with the agar already pre-made and in petri (pitri) dishes and includes swabs. You will want to gather extra swabs and ...

A Petri dish prepared with nutrient agar (a seaweed derivative with beef nutrients added) is an ideal way to reveal the bacteria hiding all around you. You may not believe what you find hiding in all corners of every home and school and location in the world!

2024年3月19日 · A Petri dish, also known as a Petri plate or cell-culture dish, is a shallow transparent lidded dish used in biology laboratories to hold growth medium for culturing cells, typically microorganisms like bacteria, fungi, and small mosses.

2024年11月1日 · Bacterial culturing using Petri dishes is a cornerstone of microbiological research and applications. Understanding the principles behind this technique, along with the appropriate use of agar media and incubation methods, is essential for successful bacterial growth and analysis.

How to Measure Bacteria in a Petri Dish. To measure bacteria in a petri dish, you will need only a few tools: Agar plates; Pasteur pipettes; Vials; Dilution medium like sterile water; Sterile gloves; Incubator; Ethanol; You don’t typically need a centrifuge or even a bacteria shaker as you can simply agitate the vials by hand.

HOW DO I MAKE AGAR PLATES? 1. Measure out the desired amount of nutrient agar and distilled water and pour into a clean beaker. For the agar I order, the recipe calls for 23g of dehydrated agar per 1 liter of distilled water. (Note: 1 liter of …

Bacteria Growth Plates Activity Overview: Learn about the diversity of bacteria that live with you at home and within you! Materials: Petri dishes or several condiment cups with lids 1 teaspoon of beef stock powder or beef bullion 1 cup water 1 teaspoon …

Use a sterilized inoculating loop or sterile swabs to collect bacteria from different locations and then streak each petri dish with your sample. This involves a bit more technique than Experiment 1 but offers a wider choice of bacteria sampling locations.