Results 11 to 20 of about 222,901 (162)

Chemodiversity of Essential Oils From Eugenia uniflora L. Collected in Different Phytophysiognomies of the Coastal Region of Rio de Janeiro. [PDF]

Chem Biodivers
Essential oils from Eugenia uniflora collected in different coastal phytophysiognomies of Rio de Janeiro showed notable chemodiversity. GC‐MS and GC‐FID analyses revealed nine chemotypes, mainly rich in curzerene and selina‐1,3,7(11)‐trien‐8‐one. ABSTRACT This study aimed to evaluate the yield, color, and chemical composition of Eugenia uniflora ...
Duarte Junior EB, Moreira YN, Pereira CDSB, Junior DRM, Cavalcante RS, Alves DDP, Pinheiro DFDR, Burgiert KDS, Fontes IS, Silva ME, Pedro LB, Santos AMD, Damasceno Junior PC, de Souza MAA.   +13 more
europepmc   +2 more sources

Lipidomics-Guided Ultrasound-Assisted Ethanol Extraction of Avocado Pulp and Evaluation of Bioactive Properties. [PDF]

J Food Sci
ABSTRACT Avocados are a valuable source of lipids with potential applications in food, nutraceutical, and cosmetic products, all requiring food‐grade and environmentally friendly extraction methods. Though often enjoyed fresh, avocado pulp is also processed for oil.
Neves BB, Pais R, Batista J, Pinho M, Maurício T, Bonciarelli S, Goracci L, Neves B, Domingues P, Domingues MR, Melo T.   +10 more
europepmc   +2 more sources

La enseñanza de la química desde la perspectiva de la Química Verde

Revista Científica, 2016
La Química Verde, como área de investigación, se comprende como el desarrollo de metodologías para modificar los productos o procesos con la finalidad de reducir o eliminar los riesgos que existen para el medio ambiente y la salud.
Pía José González García, Claudio Pérez-Mendez, Sebastián Figueroa-Duarte   +2 more
doaj   +1 more source

¿Qué tan verde es un experimento?

Educación Química, 2018
[-]En muchos trabajos de investigación publicados se manifiesta que son verdes, sin embargo, hasta ahora pocos son en los que se cuestiona qué tanta es su incidencia en los planteamientos de la Química Verde, o en los cuales se proponga cómo evaluar ésta.
René Miranda Ruvalcaba, Osnieski Martín Hernández, Marina Lucina Morales, Laura Bertha Reyes Sánchez, Joel O. Martínez, Gabriel Arroyo, Adolfo Obaya Valdivia   +6 more
doaj   +1 more source

A diagnostic tool for assessing the conservation condition of cellulose nitrate and acetate in heritage collections: quantifying the degree of substitution by infrared spectroscopy

Heritage Science, 2020
Cellulose nitrate and acetate are materials at risk in heritage collections because it is not possible to predict the evolution of their conservation state over time.
Sofia Nunes, Francesca Ramacciotti, Artur Neves, Eva Marisole Angelin, Ana Maria Ramos, Élia Roldão, Nadja Wallaszkovits, Alfonso Alejo Armijo, Maria João Melo   +8 more
doaj   +1 more source

Bifenthrin resistance in Dalbulus maidis (Hemiptera: Cicadellidae): inheritance, cross-resistance, and stability. [PDF]

Pest Manag Sci
Resistance of Dalbulus maidis to bifenthrin was autosomal, incompletely dominant, and polygenic. Additionally, this resistance was unstable in the absence of selection pressure. Abstract BACKGROUND Pyrethroid insecticides have been a primary strategy for managing Dalbulus maidis (Hemiptera: Cicadellidae) in Brazil. Howeve, failures in the control of D.
Dias GS, Machado EP, Sacilotto MG, Thiesen LV, Omoto C.   +4 more
europepmc   +2 more sources

Algal-derived functional additives for ensured safety and efficacy. [PDF]

EFSA J
Abstract This document was developed within the framework of the EU‐FORA fellowship programme, which aims to improve expertise in food risk assessment through training to ensure awareness for future risk analysis needs. The work aimed to study extracts obtained from macroalgae to be used as functional additives and discusses issues related to their ...
European Food Safety Authority (EFSA), Silva A, Carpena M, Barroso MF, Prieto MA.   +4 more
europepmc   +2 more sources

Macro and micronutrients uptake in biomass sorghum

Pesquisa Agropecuária Tropical, 2018
Biomass sorghum [Sorghum bicolor (L.) Moench] is a very promising renewable source to produce energy obtained by cogeneration and fermentation processes. However, some aspects of the fertilizer management for this crop should be better understood.
Thomas Jefferson Cavalcante, Gustavo Castoldi, Carlos Ribeiro Rodrigues, Matheus Martins Nogueira, Alice Maria Albert   +4 more
doaj   +1 more source

Química verde aplicada en los residuos de universidades

Educación Química, 2021
La química es una parte fundamental del desarrollo del hombre. Sin embargo, también es una fuente importante de contaminación. Gran parte de esta contaminación es atribuida a las industrias, debido a que generan una cantidad significativa de residuos ...
Jonathan Steven Murcia Fandiño, Luis Alfonso Esquiaqui Marín   +1 more
doaj   +1 more source

Turning a Collagenesis-Inducing Peptide Into a Potent Antibacterial and Antibiofilm Agent Against Multidrug-Resistant Gram-Negative Bacteria

Frontiers in Microbiology, 2019
Antimicrobial resistance is becoming one the most serious health threats worldwide, as it not only hampers effective treatment of infectious diseases using current antibiotics, but also increases the risks of medical procedures like surgery ...
Ana Gomes, Lucinda J. Bessa, Iva Fernandes, Ricardo Ferraz, Ricardo Ferraz, Nuno Mateus, Paula Gameiro, Cátia Teixeira, Paula Gomes   +8 more
doaj   +1 more source