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Positron

positron

A subatomic particle of mass and charge equal to the electron but of opposite (i.e., positive) charge.

Synonym: positive electron.


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Re: Electrons... To be or not to be...

... to the section "Manifestations" and see the list item about vacuum polarization, which involves creation and destruction of electron-positron pairs. See also: http://en.wikipedia.org/wiki/Pair_production That level of detail probably didn't make understanding electrons in the everyday ...

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by jonmoulton
Wed Feb 11, 2009 11:14 pm
 
Forum: General Discussion
Topic: Electrons... To be or not to be...
Replies: 14
Views: 7887

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... (1993) reviewed several studies that used the state-of-the-art techniques of Computerized Tomography (CT), Magnetic Resonance Imaging (MRI), and Positron Emission Tomography (PET) to study the brains of violent and sexual offenders. He tentatively concluded that frontal lobe dysfunction was associated ...

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by TJJ
Fri May 16, 2008 12:13 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 263495

Positron emission Tomography

CONDUCTING A PET SCAN To conduct the scan, a short-lived radioactive tracer isotope which decays by emitting a positron, and which has been chemically incorporated into a metabolically active molecule, is injected into the living subject (usually into blood circulation). There ...

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by dipjyoti
Wed Sep 27, 2006 9:57 am
 
Forum: Human Biology
Topic: Positron emission Tomography
Replies: 0
Views: 3445

The Fiber Disease

... a fusion protein. 4. The method of claim 1, wherein the detecting comprises NMR imaging. 5. The method of claim 1, wherein the detecting comprises positron emission tomography. 6. The method of claim 1, wherein the detecting comprises locating the fluorescence characteristic of the fluorescent ...

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by Nadas Moksha
Wed Aug 16, 2006 3:44 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5478931

the BRAIN!!

... 3] It was possible only due to this brain itself !!! Using redioactive markers and seeing oxygen consumption or blood sulpply-amount using MRI Positron-emmision tomography etc. 4] I'm also curious.They may resemble the action of natural painkillers [ of our body] eg. opiates by our body or ...

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by 2810712
Thu Apr 21, 2005 4:42 am
 
Forum: Human Biology
Topic: the BRAIN!!
Replies: 1
Views: 2284


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