Prevention Of Contamination - Sanyo MCO-5M Service Manual

Prevention of contamination

In servicing for CO incubator, it is important to prevent from contamination.
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1 More than 90% of contamination in CO
true fungi, it has high increasing power under high temperature and high humidity.
Accordingly, it is easy for mold to increase inside CO
eat up culture (mainly animal cell), eventually precious test sample will be killed. Cell that
is independent from ecosystem is also independent from immune system, it has no
immunity against all.
2 Precautions for mold increasing
There are many cases that mold multiply by eating fat on the fingers as a source of
nutrient in CO incubator.
2
Therefore,
Be sure to wash and sterilize your hands prior to servicing. Use 70
In installing, sterilize the inside wall and shelves after removing shelves, duct,
humidifying pan and so on with 70% ethanol.
3 In the case that mold has already multiplied.
Sterilize the interior (walls) and shelves with 70% ethanol after removed all items from
the chamber as same as (2)-
And you should sterilize again after 24 hours once sterilized, when the root of spore is
geminated, because it is too difficult to remove spore of mold. Repeat sterilization is
effective.
In general, stainless steel is known that it is not easy hard to rust.
However depends on the conditions, rust might generate.
When you remove rust, we recommend the following agents.
Besides, the surface may become foggy.
Recommended agent:
1 Cream cleanser Gif
2 Picasso #SUS300-W Chemical YAMAMOTO
Picasso has greater capability of clean for rust than Gif.
incubator is caused by mold. Mold is a kind of
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above.
NOTICE
Nippon Leva
31
incubator. Those increased mold
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ethanol.