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    Hub of Microincierator

    How to Use a Microincinerator in a Microbiology Laboratory
    LAB NOTES from Science Prof Online

    This sterilization instrument consists of a ceramic tube surrounded by metal and with a hollow portion at the center. When plugged in and turned on, the microincinerator can reach temperatures of 800 degrees centigrade, more than sufficient to incinerate any organic material on an inoculation loop.

    Article Summary: A microincinerator, also known as a bactoincinerator, is a device used in microbiology laboratories to sterilize instruments.
    Use of a Microincinerator in Microbiology Laboratory
    Microincinerator In Microbiology Lab
    Microincinerator with slide tray for heat fixing bacterial smears.
    How Is a Microincinerator Used?
    There are two main purposes for which a bacto-incinerator is used in a college microbiology laboratory:
    • sterilizing an inoculation loop
    • heat fixing bacterial smears onto microscope slides

    Inoculation loop shown with plate of sterile TSY agar
    Inoculation loop shown with plate of sterile TSY agar
    ​Page last updated: 2/2016

    Why Is a Microincinerator Necessary?
    In a microbiology laboratory contamination of sterile materials must be avoided, and this can be difficult since bacteria and fungal spores are present throughout the surrounding environment. Avoiding contamination requires use of aseptic technique as well as being constantly mindful of each action performed in the microbiology laboratory.

    Sometimes bacteria that are purposely grown in a laboratory environment must be transferred from one location to another, such as when a microbiologist is trying to isolate a specific type of bacteria from a clinical sample, or when multiple Petri plates of a specific type of bacteria need to be created for a classroom of microbiology students.

    Bacteria are often transferred using an inoculation loop (a.k.a. inoculation wand). This instrument is essentially a wire with a small loop at one end and a handle at the other. Since it is made of metal, it can be repeatedly used and then resterilized in a flame or microincinerator. Open flame, however, is potentially dangerous, whereas sterilization by microincinerator is relatively safe.

    Instructor's Corner
    Virtual Microbiology

    You have free access to a large collection of materials used in a college-level introductory microbiology course. The Virtual Microbiology Classroom provides a wide range of free educational resources including PowerPoint Lectures, Study Guides, Review Questions and Practice Test Questions.
    Prokaryotic Cell, Mariana Ruiz
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