Results 31 to 40 of about 331,332 (337)

Direct iminization of PEEK [PDF]

open access: yes, 2011
Semi-crystalline poly(ether ketone)s are important high-temperature engineering thermoplastics, but are difficult to characterize at the molecular level because of their insolubility in conventional organic solvents.
Attwood T. E.   +17 more
core   +1 more source

Intake of a Ketone Ester Drink during Recovery from Exercise Promotes mTORC1 Signaling but Not Glycogen Resynthesis in Human Muscle

open access: yesFrontiers in Physiology, 2017
Purpose: Ketone bodies are energy substrates produced by the liver during prolonged fasting or low-carbohydrate diet. The ingestion of a ketone ester (KE) rapidly increases blood ketone levels independent of nutritional status. KE has recently been shown
Tijs Vandoorne   +7 more
doaj   +1 more source

Cardiorenal ketone metabolism: a positron emission tomography study in healthy humans

open access: yesFrontiers in Physiology, 2023
Ketones are alternative energy substrates for the heart and kidney but no studies have investigated their metabolism simultaneously in both organs in humans.
Bernard Cuenoud   +14 more
doaj   +1 more source

A designed phenylalanyl-tRNA synthetase variant allows efficient in vivo incorporation of aryl ketone functionality into proteins [PDF]

open access: yes, 2002
Incorporation of non-natural amino acids into proteins in vivo expands the scope of protein synthesis and design. p-Acetylphenylalanine was incorporated into recombinant dihydrofolate reductase (DHFR) in Escherichia coli via a computationally designed ...
Carrico, Isaac S.   +4 more
core   +2 more sources

A Review on the Catalytic Acetalization of Bio-renewable Glycerol to Fuel Additives

open access: yesFrontiers in Chemistry, 2018
The last 20 years have seen an unprecedented breakthrough in the biodiesel industry worldwide leads to abundance of glycerol. Therefore, the economic utilization of glycerol to various value-added chemicals is vital for the sustainability of the ...
Amin Talebian-Kiakalaieh   +4 more
doaj   +1 more source

Ion exchange membranes based upon crosslinked sulfonated polyethersulfone for electrochemical applications [PDF]

open access: yes, 2013
Synthesis and characterization of new ion exchange membranes made from chlorosulfonated polyethersul- fone (SO2Cl-PES) crosslinked by polyaminated crosslinking reagents have been performed.
FAUVARQUE, J.F   +5 more
core   +6 more sources

Severity of experimental escherichia-coli mastitis in ketonemic and nonketonemic dairy-cows. [PDF]

open access: yes, 1993
The severity of experimental Escherichia coli mastitis in relation to in vitro chemotaxis of polymorphonuclear leukocytes was investigated in cows during negative energy balance. The negative energy balance was induced by feed restriction.
Brand, A   +6 more
core   +1 more source

Synthesis of some novel hydrazono acyclic nucleoside analogues

open access: yesBeilstein Journal of Organic Chemistry, 2010
The syntheses of novel hydrazono acyclic nucleosides similar to miconazole scaffolds are described. In this series of acyclic nucleosides, pyrimidine as well as purine and other azole derivatives replaced the imidazole function in miconazole and the ...
Mohammad N. Soltani Rad   +2 more
doaj   +1 more source

A Facile One-Pot Process for the Formation of Hindered Tertiary Amines

open access: yesMolecules, 2012
A simple and convenient method was developed for the preparation of hindered tertiary amines via direct reductive amination of ketones with secondary aryl amines, using trichlorosilane as reducing agent and tetramethylethylenediamine (TMEDA) as organic ...
Jian Sun   +4 more
doaj   +1 more source

Conformational modulation of sequence recognition in synthetic macromolecules [PDF]

open access: yes, 2011
The different triplet sequences in high molecular weight aromatic copolyimides comprising pyromellitimide units ("I") flanked by either ether-ketone ("K") or ether-sulfone residues ("S") show different binding strengths for pyrene-based tweezer-molecules.
Cardin, Christine   +6 more
core   +1 more source

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