Results 11 to 20 of about 442,631 (215)

Drying suppresses fine root production to 1 m depths and alters root traits in four distinct tropical forests. [PDF]

open access: yesNew Phytol
Summary Drying and drought in tropical forests, which have some of the highest net primary productivity on Earth, are likely to alter root dynamics, ecosystem function, and carbon (C) storage. We used a chronic drying experiment in four lowland Panamanian forests to investigate whether soil drying shifts tropical forest root production from surface to ...
Cordeiro AL   +7 more
europepmc   +2 more sources

Natura: Carbono Neutro

open access: yesRevista Brasileira de Casos de Ensino em Administração, 2010
Em 2005, a Natura buscou entender a questão das mudanças climáticas, com foco mais preciso no aquecimento global e em como este poderia ter impactos nos seus negócios. Quais seriam os riscos e oportunidades que o aquecimento global poderia trazer para a empresa?
Berardi, Patrícia   +1 more
openaire   +4 more sources

Adsorption Processes for CO2 Capture from Biogas Streams

open access: yesEnergies, 2023
Anaerobic digestion plays a starring role in the development of a bioeconomy due to the practical advantages that gaseous fuels have over solid fuels (i [...]
Covadonga Pevida, Fernando Rubiera
doaj   +1 more source

RomA, A Periplasmic Protein Involved in the Synthesis of the Lipopolysaccharide, Tunes Down the Inflammatory Response Triggered by Brucella [PDF]

open access: yes, 2018
Brucellaceae are stealthy pathogens with the ability to survive and replicate in the host in the context of a strong immune response. This capacity relies on several virulence factors that are able to modulate the immune system and in their structural ...
Altabe, Silvia Graciela   +10 more
core   +1 more source

Sulfuro de carbono [PDF]

open access: yes, 2022
El sulfuro de carbono, cuya fórmula es S<SUB>2</SUB>C, es un líquido incoloro, que se altera en presencia de la luz, hierve a 46º de temperatura y es volátil a la temperatura ambiente, su peso específico es de 1,27; a -116º se solidifica. Es poco soluble en el agua; soluble en alcohol, éter y bencina.
openaire   +3 more sources

Carbon Gels–Green Graphene Composites as Metal-Free Bifunctional Electro-Fenton Catalysts

open access: yesGels, 2023
The Electro-Fenton (EF) process has emerged as a promising technology for pollutant removal. However, the EF process requires the use of two catalysts: one acting as an electrocatalyst for the reduction of oxygen to H2O2 and another Fenton-type catalyst ...
Lilian D. Ramírez-Valencia   +4 more
doaj   +1 more source

Silicon/Biogas-Derived Carbon Nanofibers Composites for Anodes of Lithium-Ion Batteries

open access: yesC, 2020
The electrochemical performance of novel nano-silicon/biogas-derived carbon nanofibers composites (nSi/BCNFs) as anodes in lithium-ion batteries was investigated, focusing on composition and galvanostatic cycling conditions.
Ignacio Cameán   +3 more
doaj   +1 more source

Synthesis of the O-linked hexasaccharide containing b-D-Galp-(1→2)- D-Galf in Trypanosoma cruzi mucins. Differences on sialylation by trans-sialidase of the two constituent hexasaccharides [PDF]

open access: yes, 2015
The hexasaccharide b-D-Galp-(1?2)-[b-D-Galp-(1?3)]-b-D-Galp-(1?6)-[b-D-Galp(1?2)-b-D-Galf(1?4)]- D-GlcNAc (10) and its b-D-Galf-(1?2)-b-D-Galf containing isomer (7) are the largest carbohydrates in mucins of some strains of Trypanosoma cruzi.
Agusti, Rosalia   +5 more
core   +1 more source

La ciudad de las telas en los albores de la modernidad. Breve esbozo del crecimiento del sector textil en Medellín durante la segunda mitad del siglo XX

open access: yesRevista Ciencias y Humanidades, 2021
En el siguiente artículo se realizará un breve esbozo sobre la consolidación del sector textil en la ciudad de Medellín en la segunda mitad del siglo XX. El prin-cipal objeto de estudio es la moda y se parte de la idea de que la moda es una manifestación
Laura Carbonó López
doaj  

determinación de bacteriocinas en muestras de consorcios microbianos nativos de ecosistemas de manglar en el departamento del atlántico, como fuente potencial de nuevos tratamientos biomédicos

open access: yesBiociencias, 2017
Los manglares son ecosistemas con gran diversidad microbiana; la presión de las condiciones físicas de este, se ha relacionado con la producción de metabolitos con estructuras moleculares únicas para los microorganismos. Dado el desarrollo de resistencia
Vanessa Galván Carbonó
doaj   +1 more source

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