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Absorption band

Absorption band

The range of wavelengths or frequencies in the electromagnetic spectrum where radiant energy is absorbed by passage through a gaseous, liquid, or dissolved substance; it is exploited for analytical purposes in colourimetry or spectrophotometry, and is usually described in terms of the wavelength where maximum absorbance occurs (i.e., lambdamax).


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Why does chlorophyll always fluoresce in red?

... fluorescence is always on the long-wavelength side of the lowest energy absorption band, in the red or infrared region of the spectrum. The fluorescent properties of a particular ...

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by tyra99
Mon Aug 01, 2011 9:13 am
 
Forum: Botany Discussion
Topic: Why does chlorophyll always fluoresce in red?
Replies: 6
Views: 12047

Re:

This accounts for the two absorption bands on either side of the green reflectance band and explains why a leaf appears green. I think it's pretty ...

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by Geokinkladze
Sun Sep 26, 2010 6:19 pm
 
Forum: Botany Discussion
Topic: Why are leaves green?
Replies: 76
Views: 291307

Why are leaves green?

... abundant in the leaf, it dominates both reflection (in the green) and absorption (in blue and red). This accounts for the two absorption bands on either side of the green reflectance band and explains why a leaf appears green.

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by d3vilprada
Thu Sep 16, 2010 7:01 pm
 
Forum: Botany Discussion
Topic: Why are leaves green?
Replies: 76
Views: 291307

Stomach bloating and weight gain

... we need......must be in liquid form. Capsules are 2nd on the list for absorption and pills the last. hmmm. Good to know for all of us. Only time ... my 2nd session how things are proceeding there. Apparently BIE is NOT a band-aid treatment, requiring one to spend $$$ on a steady basis. Once cleared ...

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by CheeMiss
Thu Sep 02, 2010 2:39 am
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 452
Views: 2683279

Re: Stomach bloating and weight gain

... lining, great appetite suppressant, must take with B-6 for proper absorption...so I pop a high mg. Vitamin B complex with it. This practice ... than before. I WANT A CURE TO BLOATING, WEIGHT GAIN & IBS, NOT A BAND-AID, DON'T YOU??? I am sick & tired of just getting things under ...

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by CheeMiss
Sun Aug 22, 2010 11:30 pm
 
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 452
Views: 2683279
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