Results 51 to 60 of about 37,489 (228)

Development of a Novel, Sensitive, Selective, and Fast Methodology to Determine Malondialdehyde in Leaves of Melon Plants by Ultra-High-Performance Liquid Chromatography-Tandem Mass Spectrometry

open access: yesJournal of Analytical Methods in Chemistry, 2017
Early production of melon plant (Cucumis melo) is carried out using tunnels structures, where extreme temperatures lead to high reactive oxygen species production and, hence, oxidative stress.
Melisa E. Yonny   +3 more
doaj   +1 more source

Yield, chemical composition and functional properties of essential oils from Mentha spicata (Lamiaceae) in Santiago del Estero, Argentina

open access: yesCuadernos de investigación UNED, 2019
Introduction: Mentha spicata, commonly known as spearmint, is the most common and popular cultivated mint, and is used in food, perfumes and pharmaceutical products.
Diego Ariel Meloni   +3 more
doaj   +1 more source

Contenidos de Ciencias Naturales en la Educación Primaria en el pasado reciente en Santiago del Estero: un análisis de normativas nacionales y provinciales

open access: yesEnsaio, 2022
Desde la década de 1990, se han construido dos propuestas de contenidos curriculares para la Educación Primaria a nivel nacional en Argentina, una bajo la Ley Federal de Educación y otra de la Ley de Educación Nacional.
Raúl Esteban Ithuralde   +1 more
doaj   +1 more source

Impact of migration on the occurrence of new cases of Chagas disease in Buenos Aires city, Argentina [PDF]

open access: yes, 2013
Chagas disease, also known as American Trypanosomiasis, is endemic in the Americas, especially Central and South America. Chagas disease is a zoonotic disease caused by the parasite Trypanosoma cruzi.
Altcheh, Jaime Marcelo   +12 more
core   +2 more sources

Usability and Acceptance by Therapists and Users of an Internet‐Based Intervention Based on the Unified Protocol in Argentina

open access: yesJournal of Clinical Psychology, Volume 81, Issue 12, Page 1294-1309, December 2025.
ABSTRACT Latin American countries face a significant mental health gap, characterized by an increasing prevalence of mental disorders and limited access to evidence‐based treatments. Internet‐based interventions hold promise for bridging this gap. In Argentina, there are currently no locally developed internet‐based interventions.
Milagros Celleri   +5 more
wiley   +1 more source

Comparative analysis of feeding strategies and post mortem aging time on the oxidative status and color of the longissimus thoracis et lumborum muscle in Braford steers

open access: yesFrontiers in Animal Science
The impact of corn silage supplementation and post mortem aging on the antioxidant status in longissimus thoracis et lumborum (LTL) muscle was assessed using micro-spectroscopic techniques. A total of 30 Braford steers were utilized in the study.
María Sofía Castaño Ledesma   +6 more
doaj   +1 more source

Development of an analytical method to determine malondialdehyde as an oxidative marker in cryopreserved bovine semen [PDF]

open access: yes, 2015
Frozen sperm is widely used in artificial insemination of cattle as well as other animal species. As a consequence of the freezing and thawing processes of semen, an excess of reactive oxygen species (ROS) are formed.
Nazareno, Mónica Azucena   +3 more
core   +2 more sources

Revisiting the taxonomy and nomenclature of Phyla, a small genus of Verbenaceae

open access: yesNordic Journal of Botany, Volume 2025, Issue 12, December 2025.
Phyla is unique within Verbenaceae due to the presence of malpighiaceous hairs. Its taxonomy has long been marked by difficulties in defining species boundaries. The most recent revision of the genus recognized five species and three varieties. In this study, however, we recognize only two species and no varieties: P.
Pedro Henrique Cardoso   +3 more
wiley   +1 more source

BlsA Is a Low to Moderate Temperature Blue Light Photoreceptor in the Human Pathogen Acinetobacter baumannii

open access: yesFrontiers in Microbiology, 2019
Light is an environmental signal that produces extensive effects on the physiology of the human pathogen Acinetobacter baumannii. Many of the bacterial responses to light depend on BlsA, a bluelight using FAD (BLUF)-type photoreceptor, which also ...
Adrián E. Golic   +7 more
doaj   +1 more source

Respuestas bioquímicas y fisiológicas del árbol Pterogine nitens (Fabaceae) a la deriva simulada de glifosato

open access: yesCuadernos de investigación UNED, 2022
Introducción: En las últimas décadas, el área de  dispersión natural de P. nitens, estuvo sometida a un cambio en el uso de la tierra. Se expandió la frontera agropecuaria, a expensas del bosque nativo, con la incorporación de sistemas productivos que ...
Diego Ariel Meloni   +2 more
doaj   +1 more source

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