Results 71 to 80 of about 1,520,174 (245)

Rethinking plastic waste: innovations in enzymatic breakdown of oil‐based polyesters and bioplastics

open access: yesFEBS Open Bio, EarlyView.
Plastic pollution remains a critical environmental challenge, and current mechanical and chemical recycling methods are insufficient to achieve a fully circular economy. This review highlights recent breakthroughs in the enzymatic depolymerization of both oil‐derived polyesters and bioplastics, including high‐throughput protein engineering, de novo ...
Elena Rosini   +2 more
wiley   +1 more source

Emisiones de CO, CO2 y SO2 durante procesos de calentamiento de coque y carbón compactado y no compactado [PDF]

open access: yes, 2013
La autoignición de sustancias pulverulentas sigue siendo un gran problema hoy en día, causando una gran cantidad de pérdidas humanas y en las instalaciones.
Fernández Áñez, María de las Nieves   +3 more
core  

ATG4B is required for mTORC1‐mediated anabolic activity and is associated with clinical outcomes in non‐small cell lung cancer

open access: yesFEBS Open Bio, EarlyView.
The relationship between anabolic and catabolic processes governing lung cancer cell growth is nuanced. We show that ATG4B, an autophagy regulator, is elevated in lung cancer and that high ATG4B is associated with worse patient outcomes. Targeting ATG4B in cells reduces growth, protein synthesis, and mTORC1 activity, demonstrating a new relationship ...
Patrick J. Ryan   +6 more
wiley   +1 more source

Caracterización estructural por adsorción y difracción de rayos X de monolitos de carbón activado a partir de cáscara de coco y cuesco de palma africana [PDF]

open access: yes, 2009
Se prepararon monolitos de carbón activado tipo disco utilizando como precursores por separado cáscara de coco y cuesco de palma africana mediante la activación química con ácido fosfórico, utilizando diferentes concentraciones, sin el uso de ningún ...
Giraldo-Gutiérrez, Liliana   +2 more
core  

Hands‐on protocol for preparing water‐soluble fractions from agri‐food samples for NMR‐based metabolomics analysis

open access: yesFEBS Open Bio, EarlyView.
This research protocol outlines a workflow for nuclear magnetic resonance (NMR)‐based metabolomics in the agri‐food sector. Using two case studies—strawberry leaves (solid matrix) and wine (liquid matrix)—it details the procedures for sample preparation, data acquisition, and processing.
Andrea Fernández‐Veloso   +4 more
wiley   +1 more source

Compuestos orgánicos presentes en aguas de escombreras de carbón. [PDF]

open access: yes, 2008
Se ha realizado un estudio de la influencia de las aguas acidas de mina en la movilización de los hidrocarburos policidicos aromáticos (PAHs) presentes en las escombreras de carbón. Se observa como dichas aguas acidas disuelven preferentemente a los PAHs
Canoira López, Laureano   +5 more
core   +1 more source

FTIR spectroscopic and thermogravimetric characterization of ground tyre rubber devulcanized by microwave treatment [PDF]

open access: yes, 2016
In this work the phenomena involved with the microwave devulcanization of ground tyre rubber (GTR) were investigated. During studies three types of GTR characterized by different content of organic compounds (elastomers, plasticizers, etc..), carbon ...
Bin Musidin, Anwar Faliq   +3 more
core   +2 more sources

Antibiofilm activity of a chionodracine‐derived peptide by NMR‐based metabolomics of cell‐free supernatant of Acinetobacter baumannii clinical strains

open access: yesFEBS Open Bio, EarlyView.
KHS‐Cnd peptide is able to impair biofilm formation and disaggregate mature biofilms in Acinetobacter baumannii clinical isolates. Differences in extracellular metabolites reflect changes in biofilm metabolism due to KHS‐Cnd treatment. Among the differentially represented extracellular metabolites upon KHS‐Cnd treatment, the significantly altered ...
Fernando Porcelli   +9 more
wiley   +1 more source

El tercer ciclo del carbón en Chile, 1973 a 2013: del climaterio al rejuvenecimiento

open access: yesAmérica Latina en la Historia Económica, 2017
A diferencia de otros latecomers, la historia energética chilena ha estado profundamente vinculada al consumo de carbón mineral. Su importancia en la matriz energética disminuiría desde 1953, abandonando industrias y ferrocarriles para concentrarse en ...
César Yáñez, Martín Garrido-Lepe
doaj   +1 more source

Elementos contextuales para el análisis del caso [PDF]

open access: yes, 2016
28 p.Cada vez son más los casos de desplazamiento de poblaciones a causa de los llamados megaproyectos de minería, también conocidos como minería a gran escala, sobre todo en América Latina (como en Argentina, Perú, Ecuador, Colombia, Chile y Bolivia ...
Campo-Robledo, Jacobo Alberto   +2 more
core  

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