Results 31 to 40 of about 151,231 (182)

Poly(Ionic) Liquid‐Enhanced Ion Dynamics in Cellulose‐Derived Gel Polymer Electrolytes

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
Advancing Energy Storage: Gel Polymer Electrolytes with Promising Potential Gel polymer electrolytes (GPEs) incorporating methyl cellulose and a range of ionic/polymeric achieved Li+ transference numbers comparable to traditional liquid electrolytes.
Tiago G. Paiva   +7 more
wiley   +1 more source

Influence of phenolic compounds on color formation at different stages of the VHP sugar manufacturing process

open access: yesScientific Reports, 2022
Phenolic compounds are natural dyes contained in sugarcane juice and represent an important parameter in industrial processing, as they significantly affect the color formation of raw sugar.
Mirelle Márcio Santos Cabral   +6 more
doaj   +1 more source

Passion fruit seed oil: extraction and subsequent transesterification reaction

open access: yesGrasas y Aceites, 2021
This work aims to remove the oil from passion fruit seeds using ethanol as solvent and then to carry out the transesterification of the product from the extraction step (oil + ethanol).
T.B. Massa   +4 more
doaj   +1 more source

Novel Tetrazine Organometallic Complexes for Nonlinear Optical Switching: a Combined Density Functional Theory and Experimental Study [PDF]

open access: yes, 2012
Over the past decade, mono- and bi- and oligonuclear organometallic complexes have been deal of great interest by material chemists and engineers due to their remarkable nonlinear optical (NLO), magnetic and electric properties. [1] They were furthermore
Mendes, Paulo J.
core  

A química na região Norte [PDF]

open access: yes, 1997
A historical overview of CHEMISTRY SCIENCE from the beginning of the ESCOLA DE QUÍMICA INDUSTRIAL DO PARÁ in the northern region of Brazil is given.
ARRUDA, Alberto Cardoso
core   +2 more sources

Synthesis of Novel C‐Acyl‐Glycosyl Sulfonamides via Pd‐Catalyzed Carbonylative Coupling

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
A Pd‐catalyzed carbonylative coupling of 1‐iodo‐glycals with diverse sulfonamides using Mo(CO)6 enables efficient access to C‐acyl‐glycosyl sulfonamides.This robust and versatile strategy delivers novel glycoside derivatives in good to excellent yields, highlighting their potential for drug discovery.
João A. F. Silva   +5 more
wiley   +1 more source

Integration of Microalgae-Based Bioenergy Production into a Petrochemical Complex: Techno-Economic Assessment

open access: yesEnergies, 2016
The rapid development of modern society has resulted in an increased demand for energy, mainly from fossil fuels. The use of this source of energy has led to the accumulation of carbon dioxide (CO2) in the atmosphere.
Ana L. Gonçalves   +4 more
doaj   +1 more source

Optimizing germination and cultivation of edible halophytes using effluents from an IMTA system

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Halophytes offer nature‐based solutions to food insecurity and soil degradation, while their integration into integrated multi‐trophic aquaculture (IMTA) systems promotes circular economy practices. This study aimed to optimize the germination and cultivation of edible halophytic species, namely Limbarda crithmoides, Suaeda vera and
Viana Castañeda‐Loaiza   +5 more
wiley   +1 more source

O ensino de engenharia biológica na Universidade do Minho [PDF]

open access: yes, 2002
Nos anos 80, a Biotecnologia foi considerada, a nível mundial, como uma das áreas prioritárias de desenvolvimento. Isto levou a que algumas universidades portuguesas começassem a oferecer alguma formação no domínio da Bioengenharia, essencialmente ...
Ferreira, E. C., Teixeira, J. A.
core  

Magnetic Field Dependent Behavior of the CDW ground state in Per2M(mnt)2 (M = Au, Pt)

open access: yes, 2005
The Per2M(mnt)2 class of organic conductors exhibit a charge density wave (CDW) ground state below about 12 K, which may be suppressed in magnetic fields of order 20 to 30 T.
Alcacer   +31 more
core   +1 more source

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