Results 31 to 40 of about 226,956 (383)

Liability of a Surgeon for the Extension of an Authorized Operation [PDF]

open access: yes, 1956
Polyunsaturated fatty acids modulate the voltage dependence of several voltage-gated ion channels, thereby being potent modifiers of cellular excitability.
Billman   +43 more
core   +2 more sources

QM/MM study of the stereospecific proton exchange of glutathiohydroxyacetone by glyoxalase I

open access: yesResults in Chemistry, 2019
We have performed quantum mechanics (QM), molecular mechanics (MM) and hybrid QM/MM calculations to study the stereospecific proton exchange of glutathiohydroxyacetone (HOC-SG) by glyoxalase I (GlxI). We did the QM/MM calculations with a large QM system (
Sonia Jafari, Ulf Ryde, Mehdi Irani
doaj   +1 more source

Transient expression in Nicotiana benthamiana for rapid functional analysis of genes involved in non-photochemical quenching and carotenoid biosynthesis. [PDF]

open access: yes, 2016
Plants must switch rapidly between light harvesting and photoprotection in response to environmental fluctuations in light intensity. This switch can lead to losses in absorbed energy usage, as photoprotective energy dissipation mechanisms can take ...
Erickson, Erika   +3 more
core   +1 more source

Re‐evaluation of glutamic acid (E 620), sodium glutamate (E 621), potassium glutamate (E 622), calcium glutamate (E 623), ammonium glutamate (E 624) and magnesium glutamate (E 625) as food additives

open access: yesEFSA Journal, 2017
The EFSA Panel on Food Additives and Nutrient Sources added to Food (ANS) provides a scientific opinion re‐evaluating the safety of glutamic acid–glutamates (E 620–625) when used as food additives.
EFSA Panel on Food Additives and Nutrient Sources added to Food (ANS)   +27 more
doaj   +1 more source

Glutamate Taste: Discrimination between the Tastes of Glutamate Agonists and Monosodium Glutamate in Rats [PDF]

open access: yesChemical Senses, 2004
Taste aversion studies have demonstrated that rats conditioned to avoid monosodium glutamate (MSG) with amiloride added to reduce the intensity of the sodium component of MSG taste, generalize this aversion to aspartic acid and to L-AP4, but not to ionotropic glutamate receptor agonists.
Delay, Eugene R.   +3 more
openaire   +3 more sources

Energetics of discrete selectivity bands and mutation-induced transitions in the calcium-sodium ion channels family [PDF]

open access: yes, 2013
We use Brownian dynamics (BD) simulations to study the ionic conduction and valence selectivity of a generic electrostatic model of a biological ion channel as functions of the fixed charge Qf at its selectivity filter.
Eisenberg, Robert S.   +4 more
core   +2 more sources

Molecular Cloning and Characterization of SaCLCd, SaCLCf, and SaCLCg, Novel Proteins of the Chloride Channel Family (CLC) from the Halophyte Suaeda altissima (L.) Pall

open access: yesPlants, 2022
Coding sequences of the CLC family genes SaCLCd, SaCLCf, and SaCLCg, the putative orthologs of Arabidopsis thaliana AtCLCd, AtCLCf, and AtCLCg genes, were cloned from the euhalophyte Suaeda altissima (L.) Pall.
Olga I. Nedelyaeva   +3 more
doaj   +1 more source

Phosphine Catalyzed Michael-Type Additions: The Synthesis of Glutamic Acid Derivatives from Arylidene-α-amino Esters

open access: yesMolecules
The reaction of arylidene-α-amino esters with electrophilic alkenes to yield Michael-type addition compounds is optimized using several phosphines as organocatalysts. The transformation is very complicated due to the generation of several final compounds,
Lesly V. Rodríguez-Flórez   +6 more
doaj   +1 more source

Synthesis of N -(4-propargylaminobenzoyl)-L-glutamates

open access: yesPteridines, 1994
To facilitate the rather labour consuming synthesis of antifolate γ-oligo-L-glutamates including those with the propargyl group at position N10 , two synthons possessing this group, α-t-butyl γ-methyl N-(4-propargylaminobenzoyl)- L-glutamate (1) and a-t ...
Kempny Michal   +2 more
doaj   +1 more source

Glutamate transporter control of ambient glutamate levels

open access: yesNeurochemistry International, 2014
Accurate knowledge of the ambient extracellular glutamate concentration in brain is required for understanding its potential impacts on tonic and phasic receptor signaling. Estimates of ambient glutamate based on microdialysis measurements are generally in the range of ∼2-10μM, approximately 100-fold higher than estimates based on electrophysiological ...
Weinan Sun   +3 more
openaire   +3 more sources

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