• (SEOP) is one of several hyperpolarization techniques discussed on this page. This technique specializes in creating hyperpolarized (HP) noble gases, such...
    65 KB (8,328 words) - 20:36, 21 April 2025
  • Hyperpolarization has several meanings: Hyperpolarization (biology) occurs when the strength of the electric field across the width of a cell membrane...
    315 bytes (69 words) - 15:05, 7 March 2013
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    depolarization is called a hyperpolarization. Usage of the term "depolarization" in biology differs from its use in physics, where it refers to situations...
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  • Hypernuclei Hypernucleus Hyperon Hyperplane Hyperpolarizability Hyperpolarization (physics) Hyperradiant Fresnel lens Hypersonic effect Hypersonic speed...
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  • because its large electron cloud permits hyperpolarization and a wide range of chemical shifts. The hyperpolarization creates a large signal intensity, and...
    28 KB (2,894 words) - 22:35, 29 May 2025
  • than that of protons. To overcome this limitation, a process called hyperpolarization is used to increase the magnetization of these gases by about 5 orders...
    41 KB (5,163 words) - 02:54, 29 May 2025
  • administered in sufficient quantities in liquid form (e.g. 17O-water) that hyperpolarization is not a necessity. Using helium or xenon has the advantage of reduced...
    93 KB (10,805 words) - 01:11, 20 June 2025
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    so that they are aligned in the same direction—a condition called hyperpolarization. This has important applications in magnetic resonance imaging. The...
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  • Thumbnail for Hysteresis
    the absolute refractory period, the neuron is less excitable due to hyperpolarization caused by potassium efflux. This molecular inhibitory feedback creates...
    73 KB (9,125 words) - 21:47, 19 June 2025
  • Thumbnail for Dynamic nuclear polarization
    Dynamic nuclear polarization (category Chemical physics)
    Dynamic nuclear polarization (DNP) is one of several hyperpolarization methods developed to enhance the sensitivity of nuclear magnetic resonance (NMR)...
    32 KB (4,198 words) - 07:35, 25 May 2025
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    polarization, the nuclear spins must be polarized externally using hyperpolarization techniques. This can be as simple as polarizing the spins in a magnetic...
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  • Thumbnail for Matthew S. Rosen
    general AI-based image reconstruction framework, and for unique spin hyperpolarization techniques." In 2023, he was named Distinguished Investigator by the...
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  • effective Aβ channel blocker difficult. Indirect methods such as membrane hyperpolarization may help limit the cytotoxic depolarizing effects of Aβ channels....
    23 KB (2,645 words) - 23:33, 27 May 2025
  • Thumbnail for Florida State University College of Arts and Sciences
    Cala, Olivier; Jannin, Sami (2021-04-30). "Direct observation of hyperpolarization breaking through the spin diffusion barrier". Science Advances. 7...
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  • Thumbnail for Xenon
    of spins is a temporary condition, and is called hyperpolarization. The process of hyperpolarizing the xenon is called optical pumping (although the...
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  • Thumbnail for Nuclear magnetic resonance
    metals). The information provided by NMR can also be increased using hyperpolarization, and/or using two-dimensional, three-dimensional and higher-dimensional...
    93 KB (11,871 words) - 14:30, 29 May 2025
  • Thumbnail for Hydrogen
    2008. Green, Richard A.; et al. (2012). "The theory and practice of hyperpolarization in magnetic resonance using parahydrogen". Prog. Nucl. Magn. Reson...
    124 KB (12,916 words) - 21:57, 15 June 2025
  • Thumbnail for Spin isomers of hydrogen
    Spin isomers of hydrogen (category Hydrogen physics)
    Signal amplification by reversible exchange (SABRE) is a technique to hyperpolarize samples without chemically modifying them. Compared to orthohydrogen...
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  • the nonequilibrium state has been achieved by other means (e.g., hyperpolarization by optical pumping).[citation needed] The relaxation time, T1 (the...
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  • Thumbnail for Potassium
    selective potassium ion channels (which are tetramers) are crucial for hyperpolarization inside neurons after an action potential is triggered, to cite one...
    97 KB (11,228 words) - 22:59, 22 May 2025
  • Thumbnail for Transcranial magnetic stimulation
    change in transmembrane potentials resulting in depolarization or hyperpolarization of neurons, causing them to be more or less excitable, respectively...
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  • generates an action potential in the connected auditory-nerve fiber. Hyperpolarization of the hair cell, which occurs when potassium leaves the cell, is...
    21 KB (2,630 words) - 17:49, 23 December 2024
  • Thumbnail for Index of biology articles
    (biology) – hybridization – hydrolysis – hydrolytic enzyme – hygiene – hyperpolarization (biology) ichthyology – immune cell – immune system – immunology –...
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    Chemistry and Physics (85th ed.). Boca Raton, Florida: CRC Press. 2005. Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.)...
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    [citation needed] Hyperpolarization-activated cyclic nucleotide-gated channels: The opening of these channels is due to hyperpolarization rather than the...
    52 KB (6,010 words) - 15:18, 20 June 2025
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    1996 Nobel Prize in Physics for their discovery. Alexei Abrikosov, Vitaly Ginzburg, and Tony Leggett won the 2003 Nobel Prize in Physics for their work on...
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    structure as NaCl. Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton, Florida: CRC Press. p. 4.57. ISBN 0-8493-0486-5...
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  • Thumbnail for Membrane potential
    interior voltage becomes less negative (say from −70 mV to −60 mV), or a hyperpolarization if the interior voltage becomes more negative (say from −70 mV to...
    66 KB (8,312 words) - 00:08, 28 June 2025
  • D\}_{i}} . Characterization of these transitions is essential for hyperpolarizing the electron into the different transitions for various state manipulation...
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    Christian Wahl-Schott; Stylianos Michalakis; Xiangang Zong (2009). "Hyperpolarization-Activated Cation Channels: From Genes to Function". Physiological...
    39 KB (3,427 words) - 04:44, 19 June 2025