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Silicon reduces nitrogen stress and improves growth and yield of forage grass under excessive fertilization in tropical soils

Cíntia Cármen de Faria Melo, Danilo Silva Amaral, Renato de Mello Prado, Anderson de Moura Zanine et al. • Scientific Reports (2025)

Abstract Inadequate nitrogen (N) fertilization management in pastures is common and can lead to N deficiency or excess, resulting in physiological imbalances in forage grasses across different regions of the world. Silicon (Si) fertigation ...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-025-03551-1

Optimization of cationic nanoparticles stabilized by poloxamer 188: A potential approach for improving the biological activity of Aloe perryi

Tahany Saleh Aldayel, Mohamed M. Badran, Abdullah H. Alomrani, Nora A. AlFaris et al. • Heliyon (2023)

Aloe perryi (AP) has gained considerable interest as a medicinal herb in various biological applications due to its rich phytochemical composition. However, the therapeutic benefits of AP could be potentiated by utilizing nanotechnology. Mo...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2023.e22691

Admission prognostic nutritional index improves risk stratification for the carbapenem-resistant phenotype in culture-positive Klebsiella pneumoniae: a retrospective cohort study

Kaixuan Zhang, Huihui Li, Yuanyuan Xu, Sudi Zhu et al. • Frontiers in Cellular and Infection Microbiology (2026)

BackgroundCarbapenem-resistant Klebsiella pneumoniae (CRKP) remains an infection-control challenge. We assessed whether admission immuno-nutritional status, measured by the Prognostic Nutritional Index (PNI), is associated with the CRKP phe...

DOAJ Open Access (DOAJ) DOI: 10.3389/fcimb.2026.1828441

Optimized two-stage process of Haematococcus sp. for enhanced astaxanthin and essential fatty acids accumulation

Pablo N. Refolio-Samperi, Elena Adaschewski, Dieter Hanelt, Abdelfatah Abomohra • Applied Food Research (2025)

The present study evaluated a two-stage process of Haematococcus sp. to enhance the nutritional value by astaxanthin and fatty acid accumulation. Initial screening of different growth media during the green stage, focusing on enhanced bioma...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.afres.2025.101144

Adipocyte Hyperplasia Facilitated Adipose Tissue Expansion to Alleviate Hepatopancreas Injury in Nile Tilapia (Oreochromis niloticus) Fed High-Fat Diet

Senyue Tan, Jiamin Wei, Ailan Diao, Douglas R. Tocher et al. • Aquaculture Nutrition (2025)

Previous studies showed that interplay between liver and adipose tissue was important for animals to adapt to high-fat diets (HFDs). While the mechanisms of adaptation to HFD are not fully understood in fish, we hypothesize that interaction...

DOAJ Open Access (DOAJ) DOI: 10.1155/anu/1260555

Characterizing Photosymbiosis Between Fraginae Bivalves and Symbiodinium Using Phylogenetics and Stable Isotopes

Jingchun Li, Jingchun Li, Jingchun Li, Megan Volsteadt et al. • Frontiers in Ecology and Evolution (2018)

Photosymbiotic associations between heterotrophic hosts and photosynthetic algae play crucial roles in maintaining the trophic and structural integrity of coral reef ecosystems. The marine bivalve subfamily Fraginae contains both non-symbio...

DOAJ Open Access (DOAJ) DOI: 10.3389/fevo.2018.00045

Transcriptomes Suggest That Pinniped and Cetacean Brains Have a High Capacity for Aerobic Metabolism While Reducing Energy-Intensive Processes Such as Synaptic Transmission

Cornelia Geßner, Alena Krüger, Lars P. Folkow, Wilfrid Fehrle et al. • Frontiers in Molecular Neuroscience (2022)

The mammalian brain is characterized by high energy expenditure and small energy reserves, making it dependent on continuous vascular oxygen and nutritional supply. The brain is therefore extremely vulnerable to hypoxia. While neurons of mo...

DOAJ Open Access (DOAJ) DOI: 10.3389/fnmol.2022.877349

Dynamic coastal pelagic habitat drives rapid changes in growth and condition of juvenile sockeye salmon (Oncorhynchus nerka) during early marine migration

Jessica Garzke, Ian Forster, Sean C. Godwin, Brett T. Johnson et al. • FACETS (2022)

Migrating marine taxa encounter diverse habitats that differ environmentally and in foraging conditions over a range of spatial scales. We examined body (RNA/DNA, length-weight residuals) and nutritional (fatty acid composition) condition o...

DOAJ Open Access (DOAJ) DOI: 10.1139/facets-2022-0068

Varieties of Mushrooms and their Nutraceutical Importance: A Systematic Review

Debasmita Chatterje, Dipankar Halder, Satadal Das • Journal of Clinical and Diagnostic Research (2021)

Introduction: Around 2000 species of mushrooms exist in nature, of which hardly 25 varieties are accepted as edible in nature. “Nutraceuticals” are food substances that are associated with immense health benefits and also hinder the deve...

DOAJ Open Access (DOAJ) DOI: 10.7860/JCDR/2021/47240.14660

Edible insect biodiversity and anthropo-entomophagy practices in Kalehe and Idjwi territories, D.R. Congo

Jackson Ishara, Marcellin C. Cokola, Ariel Buzera, Mercy Mmari et al. • Journal of Ethnobiology and Ethnomedicine (2023)

Abstract Background Located in the Eastern Democratic Republic of Congo (South-Kivu), Kalehe and Idjwi are two relatively unexplored territories with little to no research on edible insects even though anthropo-entomophagy practice is wides...

DOAJ Open Access (DOAJ) DOI: 10.1186/s13002-022-00575-z

Developing a Rational, Optimized Product of Centella asiatica for Examination in Clinical Trials: Real World Challenges

Kirsten M. Wright, Janis McFerrin, Armando Alcázar Magaña, Armando Alcázar Magaña et al. • Frontiers in Nutrition (2022)

Botanical products are frequently sold as dietary supplements and their use by the public is increasing in popularity. However, scientific evaluation of their medicinal benefits presents unique challenges due to their chemical complexity, i...

DOAJ Open Access (DOAJ) DOI: 10.3389/fnut.2021.799137

Images of Previous Mothers through Health Education, Additional Food Package Materials and Community Empowerment in Sucopangepok Village District of Jelbuk-Jember

Lantin Sulistyorini • Journal of Agromedicine and Medical Sciences (AMS) (2018)

The period of pregnancy greatly determines the quality of human resources of the future, because the condition of the fetus in the womb determines the growth of children. Factors that affect maternal health is the mother's nutritional condi...

DOAJ Open Access (DOAJ) DOI: 10.19184/ams.v4i2.7874

A Framework to Estimate the Nutritional Value of Food in Real Time Using Deep Learning Techniques

Raza Yunus, Omar Arif, Hammad Afzal, Muhammad Faisal Amjad et al. • IEEE Access (2019)

There has been a rapid increase in dietary ailments during the last few decades, caused by unhealthy food routine. Mobile-based dietary assessment systems that can record real-time images of the meal and analyze it for nutritional content c...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2018.2879117

The evaluation of changes in muscle strength in elderly patients with premature aging

Tatyana V. Pavlova, Kirill I. Proshchayev, Elmira E. Satarinova, Natalia B. Pilkevich et al. • Медицинский вестник Юга России (2019)

Purpose: to evaluate changes in muscle strength in elderly patients with signs of premature aging. Materials and methods: the study included 1080 people: 540 aged 44 to 54 years (mean age 49.1±2.2) and 540 at the age of 55 to 64 years (mean...

DOAJ Open Access (DOAJ) DOI: 10.21886/2219-8075-2019-10-1-59-64

Dietary antioxidants and lifespan: Relevance of environmental conditions, diet, and genotype of experimental models

Alfonso Varela-López, José M. Romero-Márquez, María D. Navarro-Hortal, César L. Ramirez-Tortosa et al. • Experimental Gerontology (2023)

The rise of life expectancy in current societies is not accompanied, to date, by a similar increase in healthspan, which represents a great socio-economic problem. It has been suggested that aging can be manipulated and then, the onset of a...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.exger.2023.112221

Nutritional status, literacy, and risk factors of malnutrition in the population over 50 years of age - findings from the SHARE project

Tereza Vágnerová, Olga Dvořáčková, Eva Topinková • Clinical Nutrition Open Science (2024)

Summary: Background & Aims: The transition from middle age to old age (from adults aged 50–55 years to older seniors aged 75–80 years) represents a critical period in terms of changes in body composition, i.e., increase in body fat per...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nutos.2024.01.006

Genetic diversity in pointed gourd (Trichosanthes dioica) genotypes for fruit yield and quality traits under eastern plateau and hill region

ANKIT KUMAR SINHA, BHAVANA P, A K SINGH, H CHOUDHARY et al. • The Indian Journal of Agricultural Sciences (2024)

The experiment was conducted during summer seasons of 2021–22 and 2022–2023 at ICAR-Research Complex for Eastern Region, Farming System Research Centre for Hill and Plateau Region, Plandu, Ranchi, Jharkhand focused on assessing the genetic ...

DOAJ Open Access (DOAJ) DOI: 10.56093/ijas.v94i7.148891