Julius Richard Petri
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Julius Richard Petri was a German microbiologist who is generally credited with inventing the device known as the Petri dish, which is named after him, while working as assistant to bacteriologist Rob
The Petri dish, widely used in microbiology studies to culture microorganisms
Streaking (microbiology)
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In microbiology, streaking is a mechanical technique used to isolate a pure strain from a single species of microorganism, often bacteria. Samples from a colony derived from a single cell are taken fr
Julius Richard Petri
…inoculation is needed: bacteria that are grown act as a host for the viral inoculum. The bacterial sample is diluted on the plate in a process called "streaking": a sterile plastic stick, or a wire loop which is sterilized by heating, is used to collect a sample, and then to make a streak on the dish with the…
Image of Robert Koch, German microbiologist and developer of the modern streaking technique.
Illustration of streak plate procedure to achieve isolated colonies using aseptic technique.
Different labs have different standards as to the direction and style of the streaking.