Results 21 to 30 of about 3,650 (207)

Determination of the Qualitative Composition of Biologically Active Substances of Extracts of In Vitro Callus, Cell Suspension, and Root Cultures of the Medicinal Plant Rhaponticum carthamoides

open access: yesApplied Sciences, 2021
This work aims to study the qualitative composition of biologically active substance (BAS) extracts in vitro callus, cell suspension, and root cultures of the medicinal plant Rhaponticum carthamoides. The research methodology is based on high-performance
Lyudmila Asyakina   +7 more
doaj   +1 more source

The Ethnopharmacological Uses, Metabolite Diversity, and Bioactivity of Rhaponticum uniflorum (Leuzea uniflora): A Comprehensive Review

open access: yesBiomolecules, 2022
Rhaponticum uniflorum (L.) DC. (syn. Leuzea uniflora (L.) Holub) is a plant species of the Compositae (Asteraceae) family that is widely used in Asian traditional medicines in China, Siberia, and Mongolia as an anti-inflammatory and stimulant remedy ...
Daniil N. Olennikov
doaj   +1 more source

Arthropod molting hormones (ecdysteroids) are present in the blood of insectivorous bats

open access: yes, 2021
In this study, blood samples of eight insectivorous bat species were analyzed for the presence of ecdysteroids with highly sensitive targeted ultra-high-performance liquid chromatography coupled to high-resolution quadrupole-orbitrap mass spectrometry ...
Berkecz, R (via Mendeley Data)   +1 more
core   +1 more source

Quantitative Determination of Ecdysteroids in L. and various other Species Using LC-UV, and their Anatomical Characterization

open access: yesNatural Product Communications, 2008
The genus Sida is used extensively in herbal medicine. A simple and specific analytical method for the quantitative determination of ecdysteroids in S. rhombifolia is reported. The ecdysteroids were separated with an acetonitrile (0.1% acetic acid)-water
Bharathi Avula   +4 more
doaj   +1 more source

Experimental phytobiotic Phytostimplus and its application to calves

open access: yesАграрная наука Евро-Северо-Востока, 2023
The purpose of the research is to study the composition of biologically active compounds of the experimental biological supplement Fitostimplus and its influence on the biochemical parameters of the blood of calves of the milk growing period, body weight
A. A. Ivanovsky, N. A. Latushkina
doaj   +1 more source

Mechanisms of wound repair in crayfish [PDF]

open access: yesInvertebrate Survival Journal, 2009
their regulation using the crayfish as a model system. Injuries to integument precipitate a cascade of cellular events that lead to rapid healing of the wound, regeneration of damaged tissues and repair of the integument.
X Vafopoulou
doaj   +2 more sources

Phytobiotics in world practice: plant species and active substances, efficiency and limitations, perspectives (review)

open access: yesАграрная наука Евро-Северо-Востока, 2021
In the review the historical preconditions for implementation and the state of use (for 2021) of phytogenic substances as growth and productivity stimulators of farm animals are considered.
N. P. Timofeev
doaj   +1 more source

Ecdysonelactones, Ecdysteroids from the Tropical Eastern Pacific Zoantharian Antipathozoanthus hickmani

open access: yesMarine Drugs, 2018
Despite a large occurrence, especially over the Pacific Ocean, the chemical diversity of marine invertebrates belonging to the order Zoantharia is largely underexplored.
Paul O. Guillen   +6 more
doaj   +1 more source

Correlation between metabolic depression and ecdysteroid peak during embryogenesis of the desert locust, Schistocerca gregaria (Orthoptera: Acrididae)

open access: yesEuropean Journal of Entomology, 2000
Respiratory metabolism of developing eggs of Schistocerca gregaria has been individually monitored by means of scanning microrespirography. The freshly oviposited eggs consumed 7 nl of O2 /min./egg (50 µl O2/g/h) while the pharate 1st instar larvae ...
Karel SLÁMA
doaj   +1 more source

Sterol Regulation of Development and 20-Hydroxyecdysone Biosynthetic and Signaling Genes in Drosophila melanogaster

open access: yesCells, 2023
Ecdysteroids are crucial in regulating the growth and development of insects. In the fruit fly Drosophila melanogaster, both C27 and C28 ecdysteroids have been identified.
Di Wen   +3 more
doaj   +1 more source

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