Results 1 to 10 of about 115,739 (285)

Crystal structure and magnetic study of the complex salt [RuCp(PTA)2–μ-CN-1κC:2κN–RuCp(PTA)2][Re(NO)Br4(EtOH)0.5(MeOH)0.5]

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2021
A new RuII–ReII complex salt, μ-cyanido-κ2C:N-bis[(η5-cyclopentadienyl)bis(3,5,7-triazaphosphaadamantane-κP)ruthenium(II)] tetrabromido(ethanol/methanol-κO)nitrosylrhenate(II), [Ru(CN)(C5H5)2(C6H12N3P)4][ReBr4(NO)(CH4O)0.5(C2H6O)0.5] or [RuCp(PTA)2–μ-CN ...
Mario Pacheco   +5 more
doaj   +1 more source

(1S,3R)-N-{(3S,10S,12S,13R,17R)-12-Hydroxy-17-[(R)-5-hydroxypentan-2-yl]-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-3-yl}adamantane-1-carboxamide 0.25-hydrate

open access: yesIUCrData, 2022
The title compound, C35H57NO3·0.25H2O, was synthesized from deoxycholic acid followed by a protection, a Mitsonobu substitution, a Staudinger reduction, formation of an amide and final reduction in the lateral chain.
Cristian Campos Fernandez   +4 more
doaj   +1 more source

A protocol to study bacteriophage adaptation to new hosts

open access: yesSTAR Protocols, 2021
Summary: A general protocol for the experimental assessment of bacteriophage adaptation to new hosts is described. We use as a model system the lytic phage T7 and an engineered E. coli strain modified to hamper the recruitment of a known proviral factor.
Raquel Luzon-Hidalgo   +4 more
doaj   +1 more source

Spectroscopic study of the Eu(fod)3 complex adsorbed on a 3-trimethoxypropylthioethylamine modified silica surface [PDF]

open access: yesJournal of the Serbian Chemical Society, 2004
By using 3-mercaptopropyltrimethoxysilane and ethylenediamine as precursors the compound 3-trimethoxypropylhioethylamine was synthesized, and then used as a silylating agent to obrtain, through a sol-gel process, an organicmodification of a silica-gel ...
de Farias Robinson F.   +6 more
doaj   +1 more source

Computational chemical analysis of unconjugated bilirubin anions and insights into pKa values clarification [PDF]

open access: yes, 2013
The pKa, the negative logarithm of the acid dissociation equilibrium constant, of the carboxylic acid groups of unconjugated bilirubin in water is a discussed issue because there are quite different experimental values reported.
Esteban G. Vega-Hissi   +10 more
core   +3 more sources

Caracterização físico-química e microbiológica de água de poços rasos do bairro Três Vendas, Pelotas-RS

open access: yesVetor, 2016
As águas subterrâneas provenientes de poços rasos têm sido cada vez mais utilizadas para o consumo humano. Sendo assim, este trabalho teve o objetivo de determinar as características físico-químicas e microbiológicas da água de poços rasos e comparar os ...
Daiane Einhardt Blank   +1 more
doaj   +4 more sources

Wood capillarity and deacetylation during eucalyptus alkaline impregnation. Suphidity effects and comparison between transverse directions [PDF]

open access: yes, 2013
The relative ion transport capacity of wood, i.e., the Effective Capillary Cross Sectional Area (ECCSA), is determined in this work based on the analogy with the relation between the electrical conductivities of wood and liquid medium.
Demonte, Luciano   +4 more
core   +2 more sources

Comparison of safflower oil extraction kinetics at two characteristic moisture conditions: Statistical analysis of non-linear model parameters [PDF]

open access: yes, 2013
In this study the kinetics of oil extraction from partially dehulled safflower seeds at two moisture conditions (7 and 9% dry basis) was investigated.
Baumler, Erica Raquel   +3 more
core   +3 more sources

Styrene Oxidation by Copper(II) Complexes Salen-Type Encapsulated into Nay Zeolite

open access: yesArchives of Metallurgy and Materials, 2013
Osadzenie kompleksu miedzi(II) z zasadą Schitta typu salen na zeolicie typu NaY zostało prze powadzone za pomocą dwóch metod „flexible ligand" i „in situ”.
Kuźniarska-Biernacka I.   +5 more
doaj   +1 more source

Ostwald Ripening and Antibacterial Activity of Silver Nanoparticles Capped by Anti-Inflammatory Ligands

open access: yesNanomaterials, 2023
Silver nanoparticles (AgNPs) have been extensively studied during recent decades as antimicrobial agents. However, their stability and antibacterial activity over time have yet to be sufficiently studied.
Romina Alarcon   +3 more
doaj   +1 more source

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