Results 1 to 10 of about 117,030 (304)

Quimica farmacêutica [PDF]

open access: yesBJPS: Brazilian Journal of Pharmaceutical Sciences, 2002
exaly   +5 more sources

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

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

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

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

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

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

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

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