Results 61 to 70 of about 9,139,223 (407)

Effects of bioactive substances isolated from Siberian medicinal plants on the lifespan of Caenorhabditis elegans

open access: yesFoods and Raw Materials, 2022
Medicinal plants are sources of natural antioxidants. Acting as reducing agents, these substances protect the human body against oxidative stress and slow down the aging process.
Elizaveta R. Faskhutdinova   +5 more
doaj   +1 more source

Responses of Plants to Environmental Stresses

open access: yes, 1973
Responses of plants to environmental stresses , Responses of plants to environmental stresses , مرکز فناوری اطلاعات و اطلاع رسانی ...
P. Kramer, Jacqueline R. Levitt
semanticscholar   +1 more source

occumb: An R package for site occupancy modeling of eDNA metabarcoding data

open access: yesPopulation Ecology, EarlyView.
This study introduces a new R package, occumb, for the convenient application of site occupancy modeling using environmental DNA (eDNA) metabarcoding data. We outline a data analysis workflow, including data setup, model fitting, model assessment, and comparison of potential study settings based on model predictions, all of which can be performed using
Keiichi Fukaya, Yuta Hasebe
wiley   +1 more source

Effects of virus infection on release of volatile organic compounds from insect-damaged bean, Phaseolus vulgaris [PDF]

open access: yes, 2003
Insects can serve as important vectors of plant pathogens, especially viruses. Insect feeding on plants causes the systemic release of a wide range of plant volatile compounds that can serve as an indirect plant defense by attracting natural enemies of ...
Drumwright, B. Alison   +4 more
core   +2 more sources

Some Aspects of Good Practice for Safe Use of Wi-Fi, Based on Experiments and Standards

open access: yesApplied Computer Systems, 2019
The aim of the research is to study the effect of microwave Wi-Fi radiation on humans and plants. The paper investigates national standards for permissible exposure levels to microwave radiation, measures electric field intensity and justifies the point ...
Gorbāns Imants, Jurenoks Aleksejs
doaj   +1 more source

FoxO1 signaling in B cell malignancies and its therapeutic targeting

open access: yesFEBS Letters, EarlyView.
FoxO1 has context‐specific tumor suppressor or oncogenic character in myeloid and B cell malignancies. This includes tumor‐promoting properties such as stemness maintenance and DNA damage tolerance in acute leukemias, or regulation of cell proliferation and survival, or migration in mature B cell malignancies.
Krystof Hlavac   +3 more
wiley   +1 more source

Between-Site Variation in Suitability of \u3ci\u3eSalix Cordata\u3c/i\u3e as a Host for \u3ci\u3eAltica Subplicata\u3c/i\u3e (Coleoptera: Chrysomelidae) [PDF]

open access: yes, 2017
To investigate local adaptation of insect herbivore populations to host plant populations, willow flea beetles (Altica subplicata) were collected from two distant sites in northern Michigan (Grass Bay, GB; Pte. Aux Chenes, PAC) and reared on host plants (
Bach, Catherine E, Milanowski, Dennis J
core   +2 more sources

Minority cereals cultivated under loaded model conditions / Rzadkie gatunki zbóż uprawiane w warunkach obciążenia metalami ciężkimi

open access: yesEnvironmental Protection and Natural Resources, 2013
Celem pracy jest ocena zakresu narażenia na przemieszczenie metali ciężkich z zanieczyszczonej gleby na wybrane części plonów. Ocenę przeprowadzono w doświadczeniu z uprawą roślin w pojemnikach w warunkach modelowych.
Harangozo Ľuboš   +4 more
doaj   +1 more source

Natural Sources and Bioactivities of 2,4-Di-Tert-Butylphenol and Its Analogs

open access: yesToxins, 2020
2,4-Di-tert-butylphenol or 2,4-bis(1,1-dimethylethyl)-phenol (2,4-DTBP) is a common toxic secondary metabolite produced by various groups of organisms. The biosources and bioactivities of 2,4-DTBP have been well investigated, but the phenol has not been ...
Fuqiang Zhao   +4 more
doaj   +1 more source

Parkinson’s disease, dopaminergic drugs and the plant world

open access: yesFrontiers in Pharmacology, 2022
A large proportion of drugs used for the treatment of neurological disorders relate to naturally occurring compounds, many of which are plant alkaloids. This is particularly true of Parkinson’s disease (PD).
Peter Kempster   +2 more
doaj   +1 more source

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