Results 11 to 20 of about 447,214 (305)

Cure modelling and monitoring of epoxy/amine resin systems [PDF]

open access: yes, 1998
Thermoanalytical techniques and dielectric analysis were used in this study to describe and characterise the cure processes occurring during the isothermal and dynamic cures of four epoxy/amine resin systems.
Karkanas, Panagiotis I.
core   +7 more sources

Amine-Directed Alkene Hydrocarboxylation

open access: yes, 2016
Homo- and bishomoallylic secondary and tertiary amines react with Rh(I) complexes di-μ-chloro(tetracarbonyl)dirhodium(I) [(CO)2RhCl]2 (1), di-μ-chloro(diethylene)(dicarbonyl)dirhodium(I) [(CO)(CH2CH2)RhCl]2 (2), or di-μ-chloro(tetraethylene)dirhodium(I) [
L. J. Wilson (3085704)   +2 more
core   +4 more sources

Formylation of Amines [PDF]

open access: yesMolecules, 2014
Methods to convert amines to formamides are of interest due to the many uses of formamides as synthetic intermediates. These methods include stoichiometric reactions of formylating reagents and catalytic reactions with CO as the carbonyl source. This review discusses the reported stoichiometric and catalytic approaches for preparation of formamides.
Ciera J. Gerack, Lisa McElwee-White
openaire   +3 more sources

The synthesis, crystal structure and Hirshfeld analysis of 4-(3,4-dimethylanilino)-N-(3,4-dimethylphenyl)quinoline-3-carboxamide

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2020
The structure of the title quinoline carboxamide derivative, C26H25N3O, is described. The quinoline moiety is not planar as a result of a slight puckering of the pyridine ring.
Ligia R. Gomes   +4 more
doaj   +1 more source

Solvent and Substituent Effect on Selectivity of Triphenylether-Based Ionophores: A Voltammetric Study

open access: yesC, 2021
The past two decades have seen considerable attention given to chemical sensing due to its quick, reproducible, and accurate results. These are extensively used for the detection of cations and anions in different environmental matrices. Organic-molecule-
Susheel K. Mittal   +2 more
doaj   +1 more source

Oxidation of tertiary amine-derivatized surfaces to control protein adhesion [PDF]

open access: yes, 2013
Selective oxidation of omega-tertiary amine self-assembled thiol monolayers to tertiary amine N-oxides is shown to transform the adhesion of model proteins lysozyme and fibrinogen upon them.
Evans, Stephen D.   +12 more
core   +1 more source

Time dependent transition of the levels of protein-conjugated acrolein (PC-Acro), IL-6 and CRP in plasma during stroke

open access: yeseNeurologicalSci, 2017
Objective: Measurement of plasma levels of protein-conjugated acrolein (PC-Acro) together with IL-6 and CRP can be used to identify silent brain infarction (SBI) with high sensitivity and specificity.
Madoka Yoshida   +14 more
doaj   +1 more source

Dynamic Modeling and Control of a Simulated Carbon Capture Process for Sustainable Power-to-X

open access: yesApplied Sciences, 2021
The goal of this study is to develop a dynamic model for a Carbon Capture (CC) process that can be integrated with a water electrolysis facility. The possibility of operating the post-combustion CC plant dynamically is investigated.
Mahmoud Mostafa   +3 more
doaj   +1 more source

Pharmacological Approaches to Diabetic Gastroparesis: A systematic review of randomised clinical trials

open access: yesSultan Qaboos University Medical Journal, 2019
Pharmacological interventions of diabetic gastroparesis (DG) constitute an essential element of a patient’s management. This article aimed to systematically review the available pharmacological approaches of DG, including their efficacy and safety.
Mohammad Z. Asha, Sundos F.H. Khalil
doaj   +1 more source

Silica Aerogels/Xerogels Modified with Nitrogen-Containing Groups for Heavy Metal Adsorption

open access: yesMolecules, 2020
Heavy metals are common inorganic pollutants found in the environment that have to be removed from wastewaters and drinking waters. In this work, silica-derived aerogels and xerogels were modified via a co-precursor method to obtain functional adsorbents
João P. Vareda   +2 more
doaj   +1 more source

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