Dictionary » E » Emission

Emission

Emission

1. The act of sending or throwing out; the act of sending forth or putting into circulation; issue; as, the emission of light from the sun; the emission of heat from a fire; the emission of bank notes.

2. That which is sent out, issued, or put in circulation at one time; issue; as, the emission was mostly blood.

3. (Science: physics) emission theory, the theory of newton, regarding light as consisting of emitted particles or corpuscles. See corpuscular theory.

Origin: L. Emissio: cf. F. Emission.


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Re: Resonance transfer

... let's say green light, it instead passes the energy (the "exciton") to another fluorochrome that has an excitation energy matching the emission energy of the first fluorochrome; in this case, let's say the second fluorochrome excites with green light and emits with red. Finally, the ...

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by jonmoulton
Fri Jun 07, 2013 3:20 pm
 
Forum: General Discussion
Topic: Resonance transfer
Replies: 1
Views: 633

Re: Device for ratiometric fluorescence measurement

... losing the flexibility of scanning the spectrum or rapidly changing ex/em bands, you would build a 2-band fluorescence colorimeter. You'd need two emission filters and one or two excitation filters, arranged around your cuvette so that the excitation and emission light paths intersect at a 90 degree ...

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by jonmoulton
Mon Mar 04, 2013 4:58 pm
 
Forum: General Discussion
Topic: Device for ratiometric fluorescence measurement
Replies: 1
Views: 972

Radio-phosphate binding assay

... for 1 hour. 5) Develop blot in phospho-imaging casette. Leave overnight and observe. The phosphate solutio contains 5 uCi radiolabelled P-32 (beta emission), suspended in 10ml 10mM Tris-Cl buffer ph 7.0. I expect to see something on my developed phosphorescent plates, but I see nothing except background ...

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by vader1941
Tue Jul 10, 2012 3:32 pm
 
Forum: Molecular Biology
Topic: Radio-phosphate binding assay
Replies: 0
Views: 1293

Re: Molecular gene (genome) concept scientifically untenable

... a radionuclide decays by emitting radiation, there again it changes. That is why its property changes. What you said is wrong. For example P-32 on emission of a beta particle becomes sulphur. My response: “It is both persuasive and scientific criticism.” AstraSequi wrote: “This is possible, but ...

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by PAWahid
Sat May 12, 2012 2:29 am
 
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
Replies: 12
Views: 20454

Re: Tools in Biology

... of fluorescent material in a sample and how the material is distributed in the sample. However, to check for different excitation wavelengths and emission colors, you must switch part of the optics in the microscope. This is easy in most fluorescence microscope as you slide a different "cube" ...

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by jonmoulton
Wed Mar 21, 2012 8:52 pm
 
Forum: General Discussion
Topic: Microscopy
Replies: 2
Views: 1548
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