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Visible spectrum


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Photosynthesis Experiment - Do LED's work?

... 675 nm wavelengths. 450 nm represents the most purple of hues in the visible spectrum, whilst 675 nm manifests itself as a reddish-orange. If you are utilizing an LED then ...

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by Coelacanth
Sun Oct 13, 2013 6:33 am
 
Forum: Botany Discussion
Topic: Photosynthesis Experiment - Do LED's work?
Replies: 8
Views: 5416

A biological way to indirectly proof that God exists? No BS

... if it will find proof of life in trees, that lies outside of the human visible spectrum, the first indication of God's existance, and consiousness lying outside of the human ...

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by Darketernal
Thu Jun 21, 2012 10:34 am
 
Forum: General Discussion
Topic: A biological way to indirectly proof that God exists? No BS
Replies: 10
Views: 5548

brown substance without UV/VIS spectra

... The thing is we have a substance isolated from plant being white, the spectrum has two maxima in UV (<300nm), but when the substance was synthesized ... the spectrum is exactly the same with two maxima in UV, but nothing in visible part of spectrum. I was thinking about some impurities or mechanical ...

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by JackBean
Fri Feb 03, 2012 5:44 pm
 
Forum: General Discussion
Topic: brown substance without UV/VIS spectra
Replies: 0
Views: 593

UltraBright UV transilluminator

It is hard to say. From the spectrum of EtBr, it shows the response of 302 nm is approximately 5 times higher than ... for UV and blue light needs the luminance meter with sensor suitable for visible light. So, I think if we want to judge the feasibility of 500 nm, just consider ...

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by swing0916
Thu Nov 11, 2010 10:49 am
 
Forum: Molecular Biology
Topic: UltraBright UV transilluminator
Replies: 17
Views: 14800

Re: UltraBright UV transilluminator

I used a photospectrometer to check the spectrum at UV lamp and black glass positions, and found there is visible light emitted from the lamps. When the lights go through the black glass filter, there is nearly ...

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by swing0916
Sat Oct 16, 2010 1:31 pm
 
Forum: Molecular Biology
Topic: UltraBright UV transilluminator
Replies: 17
Views: 14800
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