as the agar will set in its container before it can be poured. Obtain sterile petri dishes and pour enough to cover the entire surface area of the plate and at least half of its depth. Avoid overfilling the plates and preferably do not allow the agar to contact the top edge ...
Place the thermometer in the beaker, and allow the mixture to cool to between 45 and 50 degrees Celsius. Pour 1/4 inch of liquid into each sterile petri dish, making sure to replace the cover immediately. The agar will form a stiff gel at room temperature, and the petri dishes will be...
A fecal, blood, or other sample is placed in nutrient broth or on agar and incubated for up to 2-3 days. After that time, a trained microbiologist can identify the bacteria, if present, and confirm its identity by looking at biochemical reactions. Typically, this test is conducted at a ...
Purification was carried out by transferring the fungi to Water Agar (WA), followed by incubation at 25 °C for three days. After the incubation period, with the aid of a magnifying glass (Leica M205C®) and sterile needle, small fragments of the culture medium containing an individual ...
All you need is some agar (a special gelatinous growing material), a number of sterilized Petri dishes, and some disgustingly good sources of bacteria! Part 1 Preparing the Petri Dishes Download Article 1 Prepare the agar. Agar is a jelly-like substance used to culture bacteria. It ...