Results 81 to 90 of about 94,992 (227)

Identificación de genes blanco NFAT5 inducidos por hipoxia e hipoxia/reoxigenación [PDF]

open access: yes, 2016
Tesis (Tecnólogo Médico)El trasplante renal es una de las opciones terapéuticas en la Insuficiencia Renal Crónica Terminal (IRCT). Sin embargo, a pesar de las sofisticadas técnicas de preservación, dicho tejido inevitablemente sufrirá algún daño debido a
Badilla Muñoz, Charlotte Vanessa   +1 more
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A nationwide assessment of microplastic abundance in agricultural soils: The influence of plastic crop covers within the United Kingdom

open access: yesPLANTS, PEOPLE, PLANET, Volume 6, Issue 2, Page 304-314, March 2024.
Agricultural soils are substantial receptors of plastic pollution. Plastic crop covers, a facet of agriplastics, may represent an important contribution to microplastic load in agricultural soils. The authors present a nationwide study of agricultural soils in the United Kingdom, comparing microplastic load between sites where plastic crop covers are ...
Samuel J. Cusworth   +3 more
wiley   +1 more source

Evaluación del efecto de la luz sobre la propagación masiva de Sinningia speciosa vía organogénesis. [PDF]

open access: yes, 2001
Proyecto de Graduación (Bachillerato en Ingeniería en Biotecnología) Instituto Tecnológico de Costa Rica, Escuela de Biología, 2001.La producción vía organogénesis en gloxinias (Sinningia speciosa) se evaluó a partir del efecto de tres condiciones de luz
Pacheco-Vásquez, Randall
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Bridging the gap? Public–private partnerships and genetically modified crop development for smallholder farmers in Africa

open access: yesPLANTS, PEOPLE, PLANET, Volume 6, Issue 2, Page 437-451, March 2024.
Genetically modified (GM) crops have the potential to address multiple challenges for African smallholder farmers, but are limited by several institutional constraints. Public‐private partnerships (PPPs) are seen as an organizational fix to one such constraint, bringing privately held intellectual property rights on key crop technologies to African ...
Brian Dowd‐Uribe   +4 more
wiley   +1 more source

Effect of explant type and immersion frequency on potato microtubers cv. `Andinita' production in Temporary Immersion Systems

open access: yesBiotecnología Vegetal, 2015
The potato (Solanum tuberosum L.) is one of the most important crops. Commercial production of microtubers in temporary immersion systems could represent a qualitative step in the production of planting material.
Janet Igarza   +7 more
doaj  

Phytotoxicity of Green-Synthesized Ag-Zn Nanoparticles in Maize Seedlings Using Response Surface Method

open access: yesInternational Journal of Plant Biology
The use of nanoparticles (NPs) synthesized from plant extracts is an alternative to conventional pesticides for the control of agricultural pests. This study aimed to optimize the conditions of synthesis of silver–zinc nanoparticles (Ag-ZnNPs) using ...
Eugenia León-Jiménez   +7 more
doaj   +1 more source

Morfogénesis in vitro de brotes adventicios del pinabete mexicano Pseudotsuga menziesii

open access: yesRevista Mexicana de Ciencias Forestales, 2019
Pseudotsuga menziesii es una conífera de gran importancia ecológica y económica a nivel mundial. Sus poblaciones nativas en México enfrentan serias dificultades para su regeneración natural, por lo que el cultivo in vitro se plantea como estrategia ...
Florencia Tiberia Aucán García Campusano   +5 more
doaj   +1 more source

EMBRIOGÉNESIS SOMÁTICA DE CUATRO VARIEDADES DE CRISANTEMO (Dendranthema grandiflora Tzvelev) [PDF]

open access: yes, 2014
En México, el crisantemo es uno de los principales cultivos florícolas de gran demanda en el mercado. El material ornamental mejorado genéticamente es importado de otros países, lo que provoca elevados costos para adquirir las plantas, además, de que ...
Gomora Rasso, Janet, Gomora Rasso, Janet
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Induction of Defensive Response in Plants and its Persistence in Vegetative Propagation

open access: yesNatural Product Communications, 2013
The expression of defensive compounds derived from secondary metabolism in plants of Eucalyptus globulus Labill, and the persistence of these in vegetative propagation was evaluated by gas chromatography with flame ionization (GC-FID) and mass ...
Christian Troncoso   +6 more
doaj   +1 more source

Actinomicetos termoalcalófilos del área subtropical de Jujuy, Argentina [PDF]

open access: yes, 2009
El objetivo de este trabajo fue examinar los actinomicetos termoalcalófilos presentes en el área subtropical de Jujuy, Argentina, caracterizada por el cultivo de la caña de azúcar.
Benitez Ahrendts, Marcelo Rafael   +2 more
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