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Process of testing bacterial inhibiting property  ( 1 ) Put bacteria on all plates Spread plate Put all plates into incubator at 37  o C for 24 hours Put a piece of cotton on each plate
Process of testing bacterial inhibiting property  ( 2 ) Move every piece of cotton from the plate in incubator  to another plate with media Put all plates into incubator   at 37  o C for 24 hours put all plates into incubator at 37 oC for 24 hours
Result of testing  Staphylococcus aureus   bacterial inhibiting property
CONTROL   24  ชม .  48  ชม .
Fluka    24  ชม .  48  ชม .
Biofile   24  ชม .  48  ชม .
S 1   24  ชม .  48  ชม .
Fluka xanthate   24  ชม .  48  ชม .
Biofile xanthate    24  ชม .  48  ชม .
S 1  xanthate    24  ชม .  48  ชม .
Note : +  Found less densely bacteria  ++  Found medium densely bacteria  +++  Found high densely bacteria  ++ + S 1  X +++ ++ Biofile X ++ + Fluka X +++ +++ S 1 +++ ++ Biofile ++ + Fluka +++ +++ CONTROL Past to 48  hour   Past to 24 hour   Kind of Chitosan   Staphylococcus aureus
Result of testing  Escherichia coli bacterial inhibiting property
CONTROL   24  ชม .  48  ชม .
Fluka     24  ชม .  48  ชม .
Biofile   24  ชม .  48  ชม .
S 1   24  ชม .  48  ชม .
Fluka xanthate   24  ชม .  48  ชม .
Biofile xanthate   24  ชม .  48  ชม .
S 1  xanthate   24  ชม .  48  ชม .
Note : +  Found less densely bacteria  ++  Found medium densely bacteria  +++  Found high densely bacteria  +++ +++ S 1  X ++ ++ Biofile X ++ + Fluka X ++ ++ S 1 ++ + Biofile ++ + Fluka +++ +++ CONTROL Past to 48 hour Past to 24 hour Kind of Chitosan Escherichia coli
Process of testing the color fastness   ,[object Object],[object Object],dry  the  cotton in the air W ash  in th e  distilled water.
C onclu sion ,[object Object]
1. the bacteria in the cotton chitosan plate grow less densely than the bacteria in the cotton plate. It may be assumed that chitosan can decrease the growth of  Staphylococcus aureus  and  Escherichia coli . C onclu sion
[object Object],C onclu sion

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แก้แล้ว

  • 1. Process of testing bacterial inhibiting property ( 1 ) Put bacteria on all plates Spread plate Put all plates into incubator at 37 o C for 24 hours Put a piece of cotton on each plate
  • 2. Process of testing bacterial inhibiting property ( 2 ) Move every piece of cotton from the plate in incubator to another plate with media Put all plates into incubator at 37 o C for 24 hours put all plates into incubator at 37 oC for 24 hours
  • 3. Result of testing Staphylococcus aureus bacterial inhibiting property
  • 4. CONTROL 24 ชม . 48 ชม .
  • 5. Fluka 24 ชม . 48 ชม .
  • 6. Biofile 24 ชม . 48 ชม .
  • 7. S 1 24 ชม . 48 ชม .
  • 8. Fluka xanthate 24 ชม . 48 ชม .
  • 9. Biofile xanthate 24 ชม . 48 ชม .
  • 10. S 1 xanthate 24 ชม . 48 ชม .
  • 11. Note : + Found less densely bacteria ++ Found medium densely bacteria +++ Found high densely bacteria ++ + S 1 X +++ ++ Biofile X ++ + Fluka X +++ +++ S 1 +++ ++ Biofile ++ + Fluka +++ +++ CONTROL Past to 48 hour Past to 24 hour Kind of Chitosan Staphylococcus aureus
  • 12. Result of testing Escherichia coli bacterial inhibiting property
  • 13. CONTROL 24 ชม . 48 ชม .
  • 14. Fluka 24 ชม . 48 ชม .
  • 15. Biofile 24 ชม . 48 ชม .
  • 16. S 1 24 ชม . 48 ชม .
  • 17. Fluka xanthate 24 ชม . 48 ชม .
  • 18. Biofile xanthate 24 ชม . 48 ชม .
  • 19. S 1 xanthate 24 ชม . 48 ชม .
  • 20. Note : + Found less densely bacteria ++ Found medium densely bacteria +++ Found high densely bacteria +++ +++ S 1 X ++ ++ Biofile X ++ + Fluka X ++ ++ S 1 ++ + Biofile ++ + Fluka +++ +++ CONTROL Past to 48 hour Past to 24 hour Kind of Chitosan Escherichia coli
  • 21.
  • 22.
  • 23. 1. the bacteria in the cotton chitosan plate grow less densely than the bacteria in the cotton plate. It may be assumed that chitosan can decrease the growth of Staphylococcus aureus and Escherichia coli . C onclu sion
  • 24.