Dictionary » A » Attenuation



(Science: radiobiology) process by which a beam of radiation is reduced in intensity when passing through material - combination of absorption and scattering processes, leading to a decrease in flux density of beam when projected through matter.

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Re: What's the difference between CTT and TTA?

The rate of translation affects attenuation. http://en.wikipedia.org/wiki/Attenuator_%28genetics%29

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by jonmoulton
Wed Jan 19, 2011 4:04 pm
Forum: Genetics
Topic: What's the difference between CTT and TTA?
Replies: 4
Views: 1949

Attenuation mechanism

Attenuation is a great and spectacular of metabolic pathway in bacteria. However, for the higher creatures, they do not use this mechanism as the main way to control their metabolism, why? and what the meaning of this mechanism ...

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by hlamsuperman
Thu Aug 12, 2010 12:59 pm
Forum: General Discussion
Topic: Attenuation mechanism
Replies: 0
Views: 845

topical steroids

... be Langerhans cells digest them before it takes effect :? Topical means applied on the skin DrStein They are not likely to be digested. As for an attenuation of the effects of such creams over time, I have no idea if it is likely or how it would work. sorry.

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by canalon
Wed Apr 04, 2007 7:42 pm
Forum: Human Biology
Topic: topical steroids
Replies: 5
Views: 2777

Questions regarding lac/trp operons

... would then get 1 for each, right? (0.5+0.5). 2. What will happen to the expression of trp when trp is removed from the following cultures? Assume attenuation accounts for 10-fold and repression accounts for 70-fold. a) trp repressor protein mutant ANS. With no repressor to bind to the operator, ...

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by operon
Thu Mar 08, 2007 7:32 pm
Forum: Molecular Biology
Topic: Questions regarding lac/trp operons
Replies: 2
Views: 4857

The Fiber Disease

... process for the fiber. The fiber will have a stable bandwidth of >2 GHz.km, be stable from -40oC to +150oC, have low moisture uptake, attenuation of less than 150 dB/kilometer and be stable to radiation exposure up to 103 Rad. The potential commercial applications as described by the ...

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by London
Sun Dec 17, 2006 6:50 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5560280
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