Results 21 to 30 of about 142,492 (210)

Aplicación de semillas artificiales como método de conservación in vitro de orquídeas: Encapsulación de embriones

open access: yesRevista Mutis, 2022
Las técnicas de conservación ex situ de germoplasma vegetal se han convertido en herramientas imprescindibles para la preservación de la biodiversidad en el mundo. Las orquídeas son conocidas por ser una de las familias más afectadas por este problema, y
Jurghen Hernando Cárdenas Guarín   +2 more
semanticscholar   +1 more source

Reversal of gastrointestinal carcinoma-induced immunosuppression and induction of antitumoural immunity by a combination of cyclophosphamide and gene transfer of IL-12 [PDF]

open access: yes, 2011
Immunotherapy-based strategies for gastrointestinal carcinomas (GIC) have been exploited so far, but these approaches have to face strong mechanisms of immune escape induced by tumours.
Alaniz   +69 more
core   +1 more source

The Role of DmCatD, a Cathepsin D-Like Peptidase, and Acid Phosphatase in the Process of Follicular Atresia in Dipetalogaster maxima (Hemiptera: Reduviidae), a Vector of Chagas' Disease [PDF]

open access: yes, 2015
In this work, we have investigated the involvement of DmCatD, a cathepsin D-like peptidase, and acid phosphatase in the process of follicular atresia of Dipetalogaster maxima, a hematophagous insect vector of Chagas' disease. For the studies, fat bodies,
Canavoso, Lilian Etelvina   +3 more
core   +16 more sources

Estudio comparativo in vitro de la filtración apical con tres técnicas de obturación [PDF]

open access: yesOdontoestomatología
Resumen Objetivo: Comparar la microfiltración apical de dientes obturados con tres diferentes técnicas: condensación lateral, condensación vertical y sistema obtura II in vitro. Métodos: Se utilizaron 75 dientes uniradiculares, divididos en 5 grupos,
Mary Lou Endara Abbott
doaj   +4 more sources

Seleção de Trichoderma spp. visando ao controle de Sclerotinia sclerotiorum, in vitro [PDF]

open access: yesCiência Rural, 2001
Este trabalho teve por objetivo selecionar isolados de Trichoderma spp. com potencial de antagonismo sobre o fitopatógeno Sclerotina sclerotiorum, in vitro. Foram utilizados doze isolados de Trichoderma spp. e três isolados de S.
Luciana Zago Ethur   +2 more
doaj   +1 more source

The antibacterial action of microcin J25: evidence for disruption of cytoplasmic membrane energization in Salmonella newport [PDF]

open access: yes, 2001
Microcin J25 (MccJ25) is a cyclic peptide of 21 unmodified amino acid residues produced by a fecal strain of Escherichia coli. It has previously been shown that the antibiotic activity of this peptide is mainly directed to Enterobacteriaceae, including ...
Farias, Ricardo Norberto   +4 more
core   +1 more source

ANTAGONISMO IN VITRO DE Thielaviopsis paradoxa E Fusarium oxysporum POR FUNGOS RIZOSFÉRICOS ASSOCIADOS À CACTÁCEAS DO SEMIÁRIDO ALAGOANO E EFICIÊNCIA DE DUAS TÉCNICAS DE AVALIAÇÃO

open access: yesImpactos das Tecnologias nas Ciências Agrárias 3, 2019
Objetivou-se por meio desse estudo avaliar o potencial de cinco cepas de fungos rizosfericos associados a cactaceas provenientes do Semiarido Alagoano contra Fusarium oxysporum e Thielaviopsis paradoxa bem como a eficiencia de duas tecnicas de avaliacao ...
João Manoel da Silva   +5 more
semanticscholar   +1 more source

Effect of antibiotics against Mycoplasma sp. on human embryonic stem cells undifferentiated status, pluripotency, cell viability and growth [PDF]

open access: yes, 2013
Human embryonic stem cells (hESCs) are self-renewing pluripotent cells that can differentiate into specialized cells and hold great promise as models for human development and disease studies, cell-replacement therapies, drug discovery and in vitro ...
Bluguermann, Carolina   +6 more
core   +1 more source

Micropropagación in vitro de naranja agria (Citrus aurantium L.) a partir de segmentos nodales

open access: yesBionatura, 2021
La naranja agria (Citrus aurantium L.) presenta un alto valor nutricional y gastronómico en el distrito de Huacho, Lima, Perú, pero en la actualidad se considera una especie en peligro de desaparecer del distrito y alrededores por problemas ...
Angel David Hernández-Amasifuen   +2 more
semanticscholar   +1 more source

Proapoptotic and antiinvasive activity of Rac1 small molecule inhibitors on malignant glioma cells [PDF]

open access: yes, 2014
Malignant gliomas are characterized by an intrinsic ability to invade diffusely throughout the normal brain tissue. This feature contributes mainly to the failure of existing therapies. Deregulation of small GTPases signaling, in particular Rac1 activity,
Alonso, Daniel Fernando   +7 more
core   +2 more sources

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