Results 51 to 60 of about 88,078 (299)

Interfacing Liquid State Hyperpolarization Methods with NMR Instrumentation

open access: yesJournal of Magnetic Resonance Open, 2022
Advances in liquid state hyperpolarization methods have enabled new applications of high-resolution NMR spectroscopy. Utilizing strong signal enhancements from hyperpolarization allows performing NMR spectroscopy at low concentration, or with high time ...
Pierce Pham   +3 more
doaj   +1 more source

Cellular mechanisms of potassium homeostasis in the mammalian nervous system [PDF]

open access: yes, 1987
Double-barrelled ion-sensitive microelectrodes were used to measure changes in the intracellular activities of K+, Na+, and Cl- (aKi, aNai, aCli) in neurones of rat sympathetic ganglia and in glial cells of slices from guinea-pig olfactory cortex.
Ballanyi, Klaus, Grafe, Peter
core   +1 more source

Synthetic Studies Toward [1-13C]Pyruvate

open access: yesJournal of Isotopes, 2023
Magnetic resonance imaging (MRI) is limited in clinical application due to its low sensitivity. Hyperpolarization technology overcomes this limitation by enhancing molecular MRI signal.
QING Jing;JIA Xuelei;CHEN Kai;DAI Desheng;LI Guowei
doaj   +1 more source

NKCC1: A key regulator of glioblastoma progression

open access: yesMolecular Oncology, EarlyView.
Glioblastoma (GBM) progression is driven by disrupted chloride cotransporter homeostasis. NKCC1 is highly expressed in stem‐like, astrocytic, and progenitor cells, correlating with earlier recurrence, while overall survival remains unaffected. NKCC1 serves as a prognostic marker and potential therapeutic target, linking chloride transporter imbalance ...
Anja Thomsen   +5 more
wiley   +1 more source

Dynamic mechanism of multiple bursting patterns in a whole-cell multiscale model with calcium oscillations

open access: yesJournal of Biological Dynamics, 2021
The dynamic mechanism of a whole-cell model containing electrical signalling and two-compartment Ca $ ^{2+} $ signalling in gonadotrophs is investigated.
Xiaowen Xiong, Yanqiu Li, Dongmei Zheng
doaj   +1 more source

Study of the properties of hyperpolarized xenon-129 for magnetic resonance imaging [PDF]

open access: yes, 2009
Produkce hyperpolarizovaných plynů, především helia (3He) nebo xenonu (129Xe), nachází stále rostoucí rozsah aplikací v zobrazování magnetickou rezonancí (MRI).
Rychnovský, Jan
core  

EPSPs in rat neocortical neurons in vitro. II. Involvement of N-methyl-D-aspartate receptors in the generation of EPSPs [PDF]

open access: yes, 1989
1. Intracellular recordings were obtained from neurons in layer II/III of rat frontal cortex. Single-electrode current- and voltage-clamp techniques were employed to compare the sensitivity of excitatory postsynaptic potentials (EPSPs) and ...
Hablitz, John H., Sutor, Bernd
core   +1 more source

Toward C13 hyperpolarized biomarkers produced by thermal mixing with hyperpolarized X129e [PDF]

open access: yesThe Journal of Chemical Physics, 2009
The C13 NMR signal of acetic acid 1-C13-AcH is enhanced by polarization transfer from hyperpolarized X129e using a thermal mixing procedure. 1-C13-AcH acid and hyperpolarized X129e are mixed as gases to disperse X129e in the acetic acid. The mixture is frozen with liquid N2 at 0.5 T.
Natalia, Lisitza   +5 more
openaire   +2 more sources

Epilepsy‐Associated Variants of a Single SCN1A Codon Exhibit Divergent Functional Properties

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Pathogenic variants in SCN1A, which encodes the voltage‐gated sodium channel NaV1.1, are associated with multiple epilepsy syndromes exhibiting a range of clinical severity. SCN1A variants are reported in different syndromes, including Dravet syndrome, which is associated with loss‐of‐function, whereas neonatal/infantile‐onset ...
Lanie N. Liebovitz   +3 more
wiley   +1 more source

Efflux pumps mediate changes to fundamental bacterial physiology via membrane potential

open access: yesmBio
Efflux pumps are well known to be an important mechanism for removing noxious substances such as antibiotics from bacteria. Given that many antibiotics function by accumulating inside bacteria, efflux pumps contribute to resistance.
Emily E. Whittle   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy