Results 41 to 50 of about 31,236 (230)

Preliminares

open access: yesRevista Colombiana de Biotecnología, 2002
Páginas preliminares del presente número, información sobre consejo editorial, consejo asesor y tabla de contenido.
Colombiana de Biotecnología Revista
doaj  

Estratégias de produção de si e de biotecnologias Estrategias de producción de sí y de biotecnologías Strategies of self-production and biotechnologies

open access: yesPsicologia em Estudo, 2007
Este artigo problematiza a relação das biotecnologias com a produção de subjetividades na contemporaneidade, colocando em discussão a naturalização da evolução da espécie humana e da ciência que objetiva tomar as biotecnologias como um exemplo de ...
Anita Guazzelli Bernardes   +1 more
doaj   +1 more source

Antimicrobial Residues in a Key Cerrado River: Distribution, Persistence, and Effects on Zebrafish Embryo‐Larval Development

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT The current study aimed to quantify the antimicrobials amoxicillin (AMX), cefazolin (CFZ), chloramphenicol (CHL), metronidazole (MTZ), and sulfamethoxazole (SX) in effluents and surface water of an important Cerrado river, calculate their half‐lives, and analyze their ecotoxicity following single and combined exposures.
Náthala Maria Simão   +12 more
wiley   +1 more source

Primer Congreso Colombiano de Biotecnología: la biotecnología en el desarrollo del país

open access: yesRevista Colombiana de Biotecnología, 2002
L   a biotecnología es la tecnología del siglo XXI. Se caracteriza por sus cambios rápidos, alta inversiónen capital de riesgo y considerables costos de investigación y desarrollo, acompañada con una tasa de retorno de la inversión muy atractiva. Esto ha
Biotecnología Revista Colombiana de
doaj   +2 more sources

Multiplicação in vitro e aclimatação de Vernonia condensata Baker In vitro multiplication and acclimation of Vernonia condensata Baker

open access: yesRevista Brasileira de Plantas Medicinais, 2009
A espécie medicinal Vernonia condensata, vulgarmente conhecida por alumã, pertencente à família Asteraceae, possui propriedades analgésicas e de proteção gástrica.
M.A.A. Vicente   +2 more
doaj   +1 more source

BIOTECNOLOGIA Y RECURSOS GENETICOS VEGETALES

open access: yesAgro Sur, 2000
Although most Chilean genetic resources are considered endemic species and unique on a world-wide basis, important fact to develop new valuable agronomic alternatives, there are cases reflecting their effective use by countries other than Chile. The latest biotechnological developments concerning management of plant genetic resources are discussed in ...
Campos-De Quiroz, Hugo   +1 more
openaire   +3 more sources

AlignPCA‐2D: PCA‐reduced Euclidean vector alignment for 2D classification in cryo‐EM

open access: yesActa Crystallographica Section D, EarlyView.
We introduce AlignPCA‐2D, a PCA‐space Euclidean alignment method for rapid and interpretable 2D classification of cryo‐EM particle images. The approach preserves essential structural variability while greatly reducing computational cost, offering a lightweight alternative to existing large‐scale cryo‐EM classification pipelines.Cryogenic electron ...
E. Ramírez-Aportela   +6 more
wiley   +1 more source

Antecedentes e conflitos na implementação das leis nacionais de biossegurança

open access: yesRevista Brasileira de História da Ciência, 2010
O objetivo do artigo é traçar um histórico da legislação de biossegurança no Brasil, a partir da elaboração e implementação da lei 8974/95 e da lei que a sucedeu (11.105/05).
Victor Pelaez
doaj   +1 more source

Herbivore and mesocarnivore carcasses trigger divergent short‐term changes in soil properties

open access: yesJournal of Animal Ecology, EarlyView.
Scavengers reshape nutrient cycles in soils under carrion. Compared to herbivore carcasses, smaller but longer‐lasting carnivore remains boost nutrient levels and microbial activity in dry soils. Abstract Animal corpses act as pulses of organic matter (OM) and serve a key zoogeochemical role by providing localized nutrient inputs to soils and thereby ...
Adrián Colino‐Barea   +15 more
wiley   +1 more source

A preventive strategy for the control of aphids in sweet pepper using lacewings and micrococcinelid beetles

open access: yesInsect Science, EarlyView.
Aphids pose a serious risk to horticultural crops. Current biocontrol strategies often fail due to the poor establishment of natural enemies when aphids are scarce. We evaluated the potential of two aphidophagous predators, Micromus variegatus and Scymnus interruptus, to be used as preventive biocontrol agents, released before aphid infestation.
Jesica Pérez‐Rodríguez   +3 more
wiley   +1 more source

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