Results 101 to 110 of about 15,583 (249)

Evolution of strategies to prepare synthetic mimics of carboxylate-bridged diiron protein active sites [PDF]

open access: yes, 2011
We present a comprehensive review of research conducted in our laboratory in pursuit of the long-term goal of reproducing the structures and reactivity of carboxylate-bridged diiron centers used in biology to activate dioxygen for the conversion of ...
Do, Loi Hung, Lippard, Stephen J.
core   +1 more source

In vitro activity of 2-pyridinecarboxylic acid against trypanosomes of the subgenus Schizotrypanum isolated from the bat Phyllostomus hastatus = Atividade in vitro do ácido 2-piridinocarboxílico em tripanossoma do subgênero Schizotrypanum isolado do morcego Phyllostomus hastatus

open access: yesActa Scientiarum: Biological Sciences, 2011
The effect of 2-pyridinecarboxylic acid (picolinic acid) on trypanosomes of the subgenus Schizotrypanum isolated from the bat Phyllostomus hastatus was determined in this study.
Paulo Roberto Ceridóreo Corrêa   +5 more
doaj  

Synthesis, Spectral, Magnetic and Thermal Studies of the Complexes of CoII and NiII With Some Bidentate and Tridentate Hydrazone Ligands

open access: yesE-Journal of Chemistry, 2005
The reaction of Co(NO3)2.6H2O and Ni(NO3)2.6H2O with hydrazones derived from 1-phenyl-3-methyl-4-acyl-5-pyrazolone (where acyl = acetyl, propionyl, butyryl and benzoyl) with 2-picolinic acid hydrazide have been studied and characterized on the basis of ...
Chetan K. Modi   +2 more
doaj   +1 more source

Comparative analysis of Bacillus weihenstephanensis KBAB4 spores obtained at different temperatures [PDF]

open access: yes, 2010
The impact of Bacillus weihenstephanensis KBAB4 sporulation temperature history was assessed on spore heat resistance, germination and outgrowth capacity at a temperature range from 7 to 30 °C. Sporulation rate and efficiency decreased at low temperature,
Abee, T., Garcia, D., Voort, M., van der
core   +2 more sources

Copper-catalyzed ortho-C-H amination of protected anilines with secondary amines [PDF]

open access: yes, 2014
A practical Cu-catalyzed picolinamide-directed o-amination of anilines showing excellent mono-substitution selectivity and high functional group tolerance has been developedWe thank the Spanish Government (MINECO, CTQ2012-35790) and the Madrid regional ...
Arrayás, Ramón Gómez   +3 more
core   +2 more sources

The kynurenine pathway and the brain: challenges, controversies and promises [PDF]

open access: yes, 2017
Research on the neurobiology of the kynurenine pathway has suffered years of relative obscurity because tryptophan degradation, and its involvement in both physiology and major brain diseases, was viewed almost exclusively through the lens of the well ...
Schwarcz, Robert, Stone, Trevor W.
core   +1 more source

The role of zinc in renal pathological changes in diabetic status [PDF]

open access: yes, 2015
Diabetes mellitus (DM) was the 8th leading cause of death in 2011, resulting in 1.4 million deaths worldwide. One of the complications of DM is chronic kidney disease, which accounts for nearly 44% of all new cases of kidney failure in the US in 2011 ...
Fernando, Julie, Zhou, Shaobo
core   +1 more source

Determination of Picolinic Acid by HPLC Coupled With Postcolumn Photo Irradiation Using Zinc Acetate as a Fluorescent Derivatization Reagent. [PDF]

open access: yesInt J Tryptophan Res, 2023
Mawatari KI   +7 more
europepmc   +1 more source

Tuning the DNA Reactivity of cis-Platinum: Conjugation to a Mismatch-Specific Metallointercalator [PDF]

open access: yes, 2004
A novel bimetallic conjugate combining a rhodium intercalator that selectively binds DNA mismatches and a reactive cis-platinum analogue that targets DNA by coordination has been prepared.
Barton, Jacqueline K., Petitjean, Anne
core   +1 more source

N′-[(1E)-2,5-Dimethoxybenzylidene]pyridine-2-carbohydrazide

open access: yesIUCrData, 2018
The molecule of the title compound, C15H15N3O3, is twisted, with the dihedral angle between the pyridyl and benzene rings being 58.34 (6)°. In the crystal, amide-N—H...O(amide) and imine-C—H...O(amide) hydrogen bonds lead to zigzag (glide symmetry ...
Mustafa R.Albayati   +4 more
doaj   +1 more source

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