Sentences with phrase «more free electrons»
Compared with «normal air», sea air has more free electrons which can neutralize free radicals in our bodies.
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A silicon crystal is doped by adding trace amounts of some other element that has either more free electrons than silicon's four (producing an electron surplus and making the result negative, or n - type) or fewer free electrons (producing a net electron deficit, and hence a positive, or p - type).
Not exact matches
The way free radical do their damage is by carrying around one or more unpaired electrons, which makes them unstable.
The more intense a laser is, the easier should it be to ionise the atom — in other words, to tear the electrons away from the attracting electric field of their nucleus and free them into space.
«Contrary to natural expectations that suggest that the more intense a laser is, the easier it frees the electron, we discovered that there is a limit to the intensity, at which we can no longer ionise the atom,» observes Misha Ivanov.
DARPA is looking at more efficient technologies, like fiber lasers and liquid lasers, which could lead to smaller, more compact devices, while the Navy is researching a Free Electron Laser, an experimental technology that uses high - speed electrons to generate an extremely powerful focused beam of radiation.
As more stars and galaxies formed, they eventually generated enough radiation to flip hydrogen from neutral, a state in which hydrogen's electrons are bound to their nucleus, to ionized, in which the electrons are set free to recombine at random.
If the electron transport chain in the mitochondria is faulty and you're not efficiently making ATP, you'll produce more free radicals and deplete your glutathione.
Abstract: We have investigated multiphoton multiple ionization dynamics of argon and xenon atoms using a new x-ray free electron laser (XFEL) facility, SPring - 8 Angstrom Compact free electron LAser (SACLA) in Japan, and identified that highly charged Xe ions with the charge state up to +26 are produced predominantly via four - photon absorption as well as highly charged Ar ions with the charge state up to +10... ▽ More We have investigated multiphoton multiple ionization dynamics of argon and xenon atoms using a new x-ray free electron laser (XFEL) facility, SPring - 8 Angstrom Compact free electron LAser (SACLA) in Japan, and identified that highly charged Xe ions with the charge state up to +26 are produced predominantly via four - photon absorption as well as highly charged Ar ions with the charge state up to +10 are produced via two - photon absorption at a photon energy of 5.5 keV.
Stealing electrons leads to a chain reaction that creates even more free radicals and leads to oxidative stress.
Free radicals are molecules with incomplete electron shells which make them more chemically reactive than those with complete electron shells.
In addition, the fact that it carries an extra electron means that it is more effective at neutralizing dangerous free radicals.
Free radicals are atoms or molecules (groups of atoms) of oxygen, nitrogen or another type, with one or more unpaired electrons.
Free radical is an atom or molecule that bears an unpaired electron and is extremely reactive, capable of engaging in rapid chain reactions that destabilize other molecules and generate many more free radicFree radical is an atom or molecule that bears an unpaired electron and is extremely reactive, capable of engaging in rapid chain reactions that destabilize other molecules and generate many more free radicfree radicals.
They also help reduce the formation of more free radicals or oxidative stress by quickly stabilizing the unpaired electrons.
This free radical now goes and steals an electron from another molecule that is more willing to give one up and thus it becomes satisfied, but now the victim molecule has become a free radical!
Ordinary atoms, once ionized by the removal of one or more electrons, also emit a continuum EM spectrum, which is not quantized, because a newly captured free electron can have any initial energy before being captured by the ion.