Results 31 to 40 of about 56,214 (225)

Caracterización morfológica por microscopía electrónica de barrido de nanocelulosas de cáscara de sandía (Citrullus lanatus)

open access: yesAgroindustrial Science, 2021
La cáscara de sandía (Citrullus lanatus) es un residuo agrícola abundante, disponible y muy poco utilizable. Los objetivos fueron aislar la nanocelulosa a partir de la corteza de sandía y obtener sus imágenes de morfología a través de microscopía ...
Diana García   +5 more
doaj   +1 more source

Método experimental para consolidar fibras de papel. (I parte del estudio) [PDF]

open access: yesGe-conservación, 2009
En este artículo describimos un nuevo método enzimático para consolidar la celulosa del papel. Este método consiste en la síntesis de la celulosa con una enzima hidrolítica: la celulasa.
Alicia De Lera Santín   +3 more
doaj   +1 more source

The Role of Multistakeholder Initiatives in the Radicalization of Resistance: The Forest Stewardship Council and the Mapuche Conflict in Chile

open access: yesJournal of Management Studies, Volume 61, Issue 7, Page 2961-2991, November 2024.
Abstract Multi‐stakeholder initiatives (MSIs) that address sustainability concerns have grown in importance in recent years. These private governance measures involving market, state and civil society actors aim to resolve disagreements between stakeholders through stakeholder engagement practices.
Rajiv Maher   +3 more
wiley   +1 more source

Efecto de la adición de furfural sobre la capacidad adhesiva de la proteína de soya

open access: yesRevista Mexicana de Ciencias Forestales, 2018
Adhesivos para madera como la urea-formaldehído y el fenol-formaldehído son apreciados por su eficacia y el segundo ofrece buena resistencia para usos en ambientes húmedos. Su inconveniente son las emisiones de formaldehído, que en estudios recientes
Fernando Hernández-Castorena   +6 more
doaj   +1 more source

Caracterización física y química: biomasa residual de la palma (Elaeis guineensis Jacq.) en la Amazonia peruana

open access: yesAgronomía Mesoamericana, 2022
Introducción. La palma aceitera (Elaeis guineensis Jacq.) en la Amazonia peruana tiene un área instalada en producción de 72 861 ha, cuyo procesamiento del fruto genera residuos sólidos como el escobajo y el mesocarpio secos. Objetivo.
Jessica Yanina Neyra-Vasquez   +3 more
doaj   +1 more source

T��CNICAS DE EXTRACCI��N DE CELULOSA EN RESIDUOS AGROINDUSTRIALES

open access: yesRevista Pertinencia Académica, 2021
En el presente trabajo de revisi n bibliogr fica, se pretende dar a conocer las t cnicas de extracci n de celulosa en residuos Agroindustriales, los m todos descritos en este trabajo son el m todo Alcalino y el m todo Kraft, en donde se describe al m todo Alcalino, el mismo que se caracteriza principalmente por el uso de NaOH, el cual separa ...
Guasgua, Erika Maribel Cabascango   +4 more
openaire   +3 more sources

Biopolymer‐Based Nanogels Synthesis, Characterization, and Stability for Doxorubicin Encapsulation and Delivery

open access: yesMacromolecular Symposia, Volume 413, Issue 4, August 2024.
Abstract Nanogels are nanostructures with dimensions within the nanoscale, composed of crosslinked polymers through their functional groups. Nanogels can display sensitiveness to stimuli, such as pH or temperature. This characteristic has been used in the design of new platforms for the transport and release of active ingredients.
Karla Gricelda Fernández‐Solís   +5 more
wiley   +1 more source

Drying Temperature and Hornification of Industrial Never-Dried Pinus radiata Pulps. 1. Strength, Optical, and Water Holding Properties

open access: yesBioResources, 2015
Hornification and changes in properties of bleached Pinus radiata pulps were studied for oven-dried pulps and compared to never-dried pulps. Evaluation of unrefined and PFI-refined pulps showed an increase in strength loss with high drying temperature ...
Dante E. Giacomozzi, Olli Joutsimo
doaj   +1 more source

Effect of DNA's Molecular Weight on their Solution Viscosity, Critical Concentrations, and Liquid Crystals Formation

open access: yesMacromolecular Symposia, Volume 413, Issue 4, August 2024.
Abstract The study of the dynamics of nucleic acids in solution, their flow properties, and viscoelasticity is of great importance for understanding their biological functions. Many important properties of nucleic acids, such as DNA, depend on polymer concentration, CDNA, molecular weight (MW), rigidity, and external salt content, the latter parameter ...
Scarlett ElizabethLópez Álvarez   +6 more
wiley   +1 more source

Fractionation Stream Components of Wood-based Biorefinery: New Agents in Active or Intelligent Primary Food Packaging?

open access: yesBioResources, 2023
Active and intelligent packaging production helps to improve the food value chain, granting reliability to consumers. According to these two premises, these packaging concepts were born.
Nanci Ehman   +2 more
doaj   +2 more sources

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