| electron spin resonance spectroscopy | <radiology> A technique applicable to the wide variety of substances which exhibit paramagnetism because of the magnetic moments of unpaired electrons. The spectra are useful for detection and identification, for determination of electron structure, for study of interactions between molecules, and for measurement of nuclear spins and moments. electron nuclear double resonance (endor) spectroscopy is a variant of the technique which can give enhanced resolution. Electron spin resonance analysis can now be used in vivo, including imaging applications. (12 Dec 1998) |
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| electron trajectory | <physics> The path of an electron. (05 Aug 1998) |
| electron transfer flavin | <biochemistry> Flavoproteins that participate in the electron transport pathway. (05 Mar 2000) |
| electron transport | The transport of electrons through a number of electron carriers in a set sequence. (09 Oct 1997) |
| electron transport chain | <biochemistry, chemistry> A series of compounds that transfer electrons to an eventual donor with concomitant energy conversion. One of the best studied is in the mitochondrial inner membrane, that takes NADH (from the tricarboxylic acid cycle) or FADH and transfers electrons via ubiquinone, cytochromes and various other compounds, to oxygen. Other electron transport chains are involved in photosynthesis. (18 Nov 1997) |
| electron transport particles | <cell biology> Fragments of mitochondria still capable of transporting electrons. One of the units occurring on the matrical surface of mitochondrial cristae; the head of the particle which measures about 9 nm, attaches to the membrane of the crista by a stalk 5 nm in length; the particle may be concerned with the electron transport system. Synonym: submitochondrial particles. (05 Mar 2000) |
| electron transport phosphorylation | <biochemistry> Synthesis of ATP involving a membrane associated electron transport chain and the creation of a proton-motive force. (09 Oct 1997) |
| electron transport system | The mitochondrial electron transport chain. (18 Nov 1997) |
| electron velocity | <physics> The rate of motion of an electron. (05 Aug 1998) |
| electron wavelength | <physics> The wavelength necessary to account for the deviation of electron rays in crystals by wave diffraction theory. It is numerically equal to the quotient of Planck's constant divided by the electron momentum, mv. = h / mv, where: h = Planck's constant m = mass of electron v = velocity of electron (05 Aug 1998) |
| electron-transferring flavoprotein dehydrogenase | <enzyme> System formed of electron-transferring flavoproteins plus EC 1.3.99.2 or EC 1.3.99.3 (butyryl-CoA dehydrogenase or acyl-CoA dehydrogenase) which reduces ubiquinone and other acceptors Registry number: EC 1.- Synonym: etf dehydrogenase, electron transfer flavoprotein-q oxidoreductases, electron transfer flavoprotein-ubiquinone oxidoreductase, etf-uo (26 Jun 1999) |
| electron-volt | <unit> A general unit of energy of moving particles, equal to the kinetic energy acquired by an electron losing one volt of potential, equal to 1.602 x 10-19 J. This is the energy an electron (or other particle of charge=1 such as a proton), gains as it is accelerated through a potential difference of 1 volt. In plasma physics the electron-volt is used as a unit of temperature when the mean particle energy is 1 eV, the temperature of the plasma is roughly 11, 600 Kelvin (the conversion from eV to K is via the Boltzmann constant). Abbreviation: eV (09 Oct 1997) |
| electronarcosis | Profound stupor produced by passing an electric current through the brain. (12 Dec 1998) |
| electronegative | <chemistry, physics> Relating to or charged with negative electricity. Normally refers to an element whose uncharged atoms have a tendency to ionise by adding electrons, thus becoming anions (e.g., oxygen, fluorine, chlorine). It has the property of being attracted by an electropositive body, or a tendency to pass to the positive pole during electrolysis. Source: Websters Dictionary (21 Jun 2000) |
| electronegative element | An element whose atoms have a tendency to accept electrons and form negative ions (e.g., oxygen, sulfur, chlorine, etc.). (05 Mar 2000) |
| electric sleep |
loss of voluntary movement and presence of general anesthesia induced by the application to the head of a rapidly interrupted electric current.
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| electromuscular sensibility |
sensibility of muscles to electric stimulation.
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| electron affinity |
the energy released when a single electron is combined with an isolated atom; its value is determined by the effective charge on the nucleus and the size and electronic configuration of the atom.
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| electron capture |
a type of radioactive decay in which the nucleus captures an orbital electron, with the emission of a neutrino and characteristic rays.
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| electron stream |
a stream of negatively charged particles (electrons) moving from cathode to anode across a potential difference in a low-pressure gas tube or a vacuum tube.
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| ele | the branch of physics concerned with electromagnetic phenomena |
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| ele | the branch of physics concerned with electromagnetic phenomena |
| ele | magnetism produced by an electric current |
| ele | of or relating to or involving an electrically operated mechanical device |
| ele | a mechanical device that is operated by electricity |
| ele | meter to measure electrostatic voltage differences |
| ele | concerned with or producing electric current |
| ele | the rate at which energy is drawn from a source that produces a flow of electricity in a circuit |
| ele | a serial arrangement of metallic elements or ions according to their electrode potentials determined under specified conditions |
| ele | a serial arrangement of metallic elements or ions according to their electrode potentials determined under specified conditions |
| ele | a graphical record of electric currents associated with muscle contractions |
| ele | a medical instrument that records the electrical waves associated with the activity of skeletal muscles |