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Bleach

Bleach

to make white, or whiter; to remove the colour, or stains, from; to blanch; to whiten. The destruction of the colouring matters attached to the bodies to be bleached is effected either by the action of the air and light, of chlorine, or of sulphurous acid. (Ure) Immortal liberty, whose look sublime Hath bleached the tyrants cheek in every varying clime. (Smollett)

Origin: oe. Blakien, blechen, v. T. & v. I, as. Blacian, blcan, to grow pale; akin to Icel. Bleikja, Sw. Bleka, dan. Blege, D. Bleeken, g. Bleichen, as. Blac pale. See bleak.


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Chemical effects on bacteria

... grow by fermenting sugars for energy metabolism. You could test different sugars with r.rubrum bacteria for e.g In terms of killing bacteria, test bleach, disinfectants, antbiotics etc etc. There is heaps of things to do.

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by prime
Sun Jun 07, 2009 1:35 am
 
Forum: Microbiology
Topic: Chemical effects on bacteria
Replies: 4
Views: 209

Re: How to be "good at the bench"

... and yeast media 2. Don’t autoclave: corrosives (Acids, phenol, bases), solvents or volatiles (ethanol, methanol. Chloroform); liquids containing bleach, formalin, or glutaraldehyde; buffers with detergents, such as 10% SDS, since they can boil over; heat labile ingredients such as serum, vitamins, ...

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by jangajarn
Sat May 23, 2009 7:15 pm
 
Forum: General Discussion
Topic: How to be "good at the bench"
Replies: 3
Views: 1451

Common Household Chemicals - Dangerous Mixtures

bleach + alcohol.

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by mith
Thu Jul 24, 2008 2:01 am
 
Forum: General Discussion
Topic: Common Household Chemicals - Dangerous Mixtures
Replies: 1
Views: 1434

Common Household Chemicals - Dangerous Mixtures

Some of the common chemicals found in your home shouldn't be mixed together. It's one thing to say "don't mix bleach with ammonia", but it's not always easy to know what products contain these two chemicals. Here's are some products you may have around the home that shouldn't ...

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by sunnye
Thu Jul 24, 2008 1:57 am
 
Forum: General Discussion
Topic: Common Household Chemicals - Dangerous Mixtures
Replies: 1
Views: 1434

Re: Negative control not negative in RT-PCR

... But the point to note is that we have three other laminars in the same room where cell infections are carried out. I wiped the surface with 10% bleach, 70% ethanol, and let UV on for 15 minutes. I UV'ed my tips, gloves, tubes, rack and even the ice bucket for 5 mins in heavy UV. I then wiped ...

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by jangajarn
Wed Jul 16, 2008 7:28 pm
 
Forum: Molecular Biology
Topic: Negative control not negative in RT-PCR
Replies: 3
Views: 1729
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