Results 41 to 50 of about 58,029 (245)
International Journal of Analytical Chemistry, Volume 2018, Issue 1, 2018., 2018 Spirulina platensis contains several biologically active compounds, some of them with antioxidant activity. Nevertheless, not all of these compounds have been identified to date. As a first step to achieving such identification, a methodology to perform two‐dimensional thin layer chromatography bioautographies on silica gel thin layer chromatography ...
Margarita Cid-Hernández +5 more
wiley +1 more source
Revista Mexicana de Ciencias Forestales, 2017 Se evaluaron tres especies de pino: Pinus douglasiana, Pinus devoniana y Pinus oocarpa, de una parcela ubicada en el bosque La primavera, Jalisco. Después de realizar las mediciones dasométricas y establecer el balance de biomasa (madera, ramas, corteza ...
Teófilo Escoto García +6 more
doaj +1 more source
NIRS Characterization of Paper Pulps to Predict Kappa Number
Journal of Spectroscopy, Volume 2015, Issue 1, 2015., 2015 Rice is one of the most abundant food crops in the world and its straw stands as an important source of fibres both from an economic and an environmental point of view. Pulp characterization is of special relevance in works involving alternative raw materials, since pulp properties are closely linked to the quality of the final product.
Ana Moral +4 more
wiley +1 more source
El Papel de los Residuos Agrícolas en la Extracción de Nanocristales de Celulosa
Revista Bases de la Ciencia. e-ISSN 2588-0764, 2021 El objetivo del presente estudio fue revisar fuentes documentales sobre el contenido lignocelulósico de los residuos agrícolas del cultivo de arroz, plátano, maíz, caña de azúcar, y piña para la obtención de nanocristales de celulosa. La investigación
Wendy Elizabeth Peralta Holguín +1 more
semanticscholar +1 more source
Cationization of Alpha‐Cellulose to Develop New Sustainable Products
International Journal of Polymer Science, Volume 2015, Issue 1, 2015., 2015 Papermaking has been using high quantities of retention agents, mainly cationic substances and organic compounds such as polyamines. The addition of these agents is related to economic and environmental issues, increasing contamination of the effluents.
Ana Moral +4 more
wiley +1 more source
BioResources, 2017 The results from Voith Sulzer refining, porosity, and morphology studies of bleached Pinus radiata fibers showed the main effects described for hornification in dried pulps compared with never-dried pulps. Dried pulps showed higher deformations, measured
Dante Giacomozzi, Olli Joutsimo
doaj +1 more source
Agroindustrial 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
International Journal of Polymer Science, Volume 2015, Issue 1, 2015., 2015 The effect of carbon source, carbon to nitrogen (C/N) ratio, and limitation in nutrients (N, P, K, Ca, Mg, and Fe) on extracellular polymeric substances (EPS) synthesis by the marine bacterium Saccharophagus degradans was studied. This strain was able to grow in mineral medium and produce EPS with different efficiency according to the C source used (g ...
Yolanda González-García +6 more
wiley +1 more source
Método experimental para consolidar fibras de papel. (I parte del estudio) [PDF]
Ge-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
Agronomía 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