Results 21 to 30 of about 16,621,712 (406)

Chemical Structure and Biological Activity of Humic Substances Define Their Role as Plant Growth Promoters

open access: yesMolecules, 2021
Humic substances (HS) are dominant components of soil organic matter and are recognized as natural, effective growth promoters to be used in sustainable agriculture. In recent years, many efforts have been made to get insights on the relationship between
S. Nardi, M. Schiavon, O. Francioso
semanticscholar   +1 more source

Evaluation of Biological Activity of Natural Compounds: Current Trends and Methods

open access: yesMolecules, 2022
Natural compounds have diverse structures and are present in different forms of life. Metabolites such as tannins, anthocyanins, and alkaloids, among others, serve as a defense mechanism in live organisms and are undoubtedly compounds of interest for the
Carlos Barba-Ostria   +8 more
semanticscholar   +1 more source

Biological activity of oxadiazole and thiadiazole derivatives

open access: yesApplied Microbiology and Biotechnology, 2022
The 5-membered oxadiazole and thiadiazole scaffolds are the most privileged and well-known heterocycles, being a common and essential feature of a variety of natural products and medicinal agents.
Upare Abhay Atmaram, S. Roopan
semanticscholar   +1 more source

A New Pyrimidine Schiff Base with Selective Activities against Enterococcus faecalis and Gastric Adenocarcinoma

open access: yesMolecules, 2021
Enterococcus faecalis is known as a significant nosocomial pathogen due to its natural resistance to many antibacterial drugs. Moreover, it was found that E. faecalis infection causes inflammation, production of reactive oxygen species, and DNA damage to
Marcin Stolarczyk   +6 more
doaj   +1 more source

Thymus vulgaris Essential Oil and Its Biological Activity

open access: yesPlants, 2021
Thymus vulgaris essential oil has potential good biological activity. The aim of the research was to evaluate the biological activity of the T. vulgaris essential oil from the Slovak company. The main components of T.
Lucia Galovičová   +9 more
semanticscholar   +1 more source

Tramesan, a novel polysaccharide from trametes versicolor. structural characterization and biological effects [PDF]

open access: yes, 2017
Mushrooms represent a formidable source of bioactive compounds. Some of these may be considered as biological response modifiers; these include compounds with a specific biological function: antibiotics (e.g.
Scarpari, Marzia   +14 more
core   +6 more sources

Active Biological Materials [PDF]

open access: yesAnnual Review of Physical Chemistry, 2009
Cells make use of dynamic internal structures to control shape and create movement. By consuming energy to assemble into highly organized systems of interacting parts, these structures can generate force and resist compression, as well as adaptively change in response to their environment.
Daniel A, Fletcher, Phillip L, Geissler
openaire   +2 more sources

The Degradation Product of Ramipril Is Potentially Carcinogenic, Genotoxic and Mutagenic

open access: yesApplied Sciences, 2023
(1) Background: The aim of this study was to identify the degradation product of ramipril (RAM) formed under dry air and to verify its potential modes of carcinogenicity. We intended to check whether its formation and presence in final dosage forms could
Katarzyna Regulska   +3 more
doaj   +1 more source

A Review on the Biological Activity of Camellia Species

open access: yesMolecules, 2021
Medicinal plants have been used since antiquity to cure illnesses and injuries. In the last few decades, natural compounds extracted from plants have garnered the attention of scientists and the Camellia species are no exception.
A. M. Teixeira, C. Sousa
semanticscholar   +1 more source

Optimum Inhibition of Amphotericin-B-Resistant Candida albicans Strain in Single- and Mixed-Species Biofilms by Candida and Non-Candida Terpenoids

open access: yesBiomolecules, 2020
Candida albicans is one of the most common human fungal pathogens and represents the most important cause of opportunistic mycoses worldwide. Surgical devices including catheters are easily contaminated with C.
Hidaya F. Z. Touil   +5 more
doaj   +1 more source

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