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InvisibleNINJA
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Protection from powerful uv rays.. Ideas anyone? (germicidal bulbs and gamma sterilization)
    #4386094 - 07/09/05 06:30 AM (11 years, 10 months ago)

Okay,

I have bio cabinets that use hi powered UV bulbs for sterilization (germicidal).. The bulbs can cause blindness and literally fry your skin worse than the sun if you are not protected. I have one i would like to place in an area where people will be through the day, also would like to run the germicidal bulb during the day.

I have looked into welding shields etc.. the treated vinyl screens, found them in suitable sizes and colors but most have eyelets. I would have to modify it to fit the equipment. In order to keep the contamination rates to a minimum.. I thought of reversing the facing side daily. Use magnets to hold the shielding material to the equipment.

I know there is treated Mylar that withholds 99 percent of UV rays, standard Mylar does not. I am having trouble finding the Mylar that is treated. Also having trouble finding the treated vinyl in a roll form without eyelets.


Mylar is cheap enough to dispose of on a regular schedule to keep from harboring any contamination.

Any ideas, input, info would be greatly appreciated.

NINJA


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InvisiblePrisoner#1
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Registered: 01/22/03
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Re: Protection from powerful uv rays.. Ideas anyone? (germicidal bulbs and gamma sterilization) [Re: NINJA]
    #4386232 - 07/09/05 09:11 AM (11 years, 10 months ago)

Quote:

NINJA said:
I have bio cabinets that use hi powered UV bulbs for sterilization




what do you wish to sterilize with them?




Quote:

Mylar is cheap enough to dispose of on a regular schedule to keep from harboring any contamination.





mylar and vinyl wont harbor contams, both have no nutrition and if exposed to a gamma bulb no spores will survive


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OfflineIGnosticAbhorI
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Re: Protection from powerful uv rays.. Ideas anyone? (germicidal bulbs and gamma sterilization) [Re: Prisoner#1]
    #4386437 - 07/09/05 11:58 AM (11 years, 10 months ago)

Yuph.

This doesn't get asked as much as microwaving :wink:

But it's as dead as it is.

-Gnostic


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InvisiblePrisoner#1
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Re: Protection from powerful uv rays.. Ideas anyone? (germicidal bulbs and gamma sterilization) [Re: IGnosticAbhorI]
    #4386478 - 07/09/05 12:19 PM (11 years, 10 months ago)

I'd use gamma on petri dishes and most instruments, maybe even agar because the
light has to shine on what it's killing but I'd worry about mutations if I were
exposing the mushrooms to it, it's ineffective on sterilizing substrates


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InvisibleNINJA
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Posts: 22
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Re: Protection from powerful uv rays.. Ideas anyone? (germicidal bulbs and gamma sterilization) [Re: Prisoner#1]
    #4392424 - 07/11/05 02:55 PM (11 years, 10 months ago)

I am not trying to sterilize substrates.. I have dishes, the inside of cabinets, and other things that I may put on public display for walk ins to see.. Also want to be able to see the inside of cab while working nearby..

I know that mylar won't grow anything.. But it does possess some electro static qualities, thus it could have some spores / contams sticking to it.. from daily use.

I have contacted teijin division of dupont, and other companies about this. Will post findings if something that works well is found.


NINJA


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