Results 21 to 30 of about 766 (179)

Contenido mineral y tamizaje fitoquímico en Physalis chenopodifolia Lam. en condiciones de desarrollo

open access: yesRevista Mexicana de Ciencias Forestales, 2018
Dada su riqueza forestal, México cuenta con numerosas especies silvestres del género Physalis (Solanaceae) que poseen potencial para su aprovechamiento, desde el punto de vista fitoquímico; además tiene importantes propiedades medicinales.
Eduardo Salcedo-Pérez   +5 more
doaj   +1 more source

Diseño de biocolumnas con biomasa seca y triturada de E. crassipes para el tratamiento de agua contaminada con Cr (VI)

open access: yesTecnología y ciencias del agua, 2022
Muchas investigaciones alrededor del mundo se centran en encontrar procesos y materiales con la suficiente capacidad para descontaminar aguas de una mantera eficiente y económica. Con celulosa seca y triturada de la planta E.
Uriel Fernando Carreño-Sayago
doaj   +1 more source

Two‐Dimensional Thin Layer Chromatography‐Bioautography Designed to Separate and Locate Metabolites with Antioxidant Activity Contained on Spirulina platensis

open access: yesInternational 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

Caracterización dasométrica y químico - micrográfica de tres especies de pino y su viabilidad de aprovechamiento integral

open access: yesRevista 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

open access: yesJournal 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

Cationization of Alpha‐Cellulose to Develop New Sustainable Products

open access: yesInternational 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

Biosynthesis of Extracellular Polymeric Substances by the Marine Bacterium Saccharophagus degradans under Different Nutritional Conditions

open access: yesInternational 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

Drying Temperature and Hornification of Industrial Never-Dried Pinus radiata Pulps. 2. Voith Sulzer Refining

open access: yesBioResources, 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

Modelling of the Simultaneous Saccharification and Fermentation for a Pine Sawdust Biorefinery

open access: yesFermentation, 2022
The decline in world oil reserves evidences the need to diversify the sources of equivalent raw materials. The use of biomass is one of the most explored alternatives.
Carolina Mónica Mendieta   +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

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