3. Sterilization:
The removal of all microorganisms and other pathogens from an
object or surface by treating it with chemicals or subjecting it to
high heat or radiation. Sterilization also refers to procedures that
result in infertility.
Types of sterilization:
1.Dry Heat
2.Steam sterilizer
3.Chemical sterilizer
4.Glass bead sterilizer
5.Laboratory sterilizer 2
4. Methods of Sterilization:
The various methods of sterilization are:
1.Physical Method:
a. Thermal Method
b. Radiation method
c. Filtration method
2.Chemical Method:
a. Gaseous method.
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5. 1.Dry heat sterilization:
-It was the first method of sterilization and is a longer process
than moist heat sterilization. The destruction of
microorganisms through the use of dry heat is a gradual
phenomenon.
2.Steam Sterilization:
The steam Sterilization depend on the hot air/steam. Kill the
microbs using steam.
3.Chemical Heated Sterilization:
The elimination of viable Microorganism an their spores using
chemical liquids and gaseous compounds.
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6. Glass Bead Sterilization:
In the glass bed sterilization the sterilization done by
using glass container which contain glass bed and heated
it. about 437F.
Laboretory Sterilizer:
The sterilization is done by using the lab. apparatus.
e.g. Autoclave, Ovens, UV Chamber.
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7. Advantages:
1.Prevent Transmission of Diseases.
2.Prevant Contamination.
3.Prevant growth of undesirable Bacteria.
4.Prevant spoilage of material by microbs.
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8. DISADVANTAGES
1.It is high in a cost.
2.High chances of accidents.
3.At that time operation chances of causes the
Respiratory disease.
4.Chances of Skin Burning.
5.Showing problem to handling.
9. Application:
1.Foods
-One of first step to words the sterilization was made by
Nicols Apart who discover that through application of heat
over suitable period.
2.Medicine and Surgery:
-It is used to preparation of injectable medication.
3.Laboratory:
-It used in labs. To cleaning apparatus or glassware's.
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