Results 21 to 30 of about 14,910,705 (310)

Population Analysis of O26 Shiga Toxin-Producing Escherichia coli Causing Hemolytic Uremic Syndrome in Italy, 1989–2020, Through Whole Genome Sequencing

open access: yesFrontiers in Cellular and Infection Microbiology, 2022
Shiga toxin-producing Escherichia coli (STEC) belonging to the O26 serogroup represent an important cause of Hemolitic Uremic Syndrome (HUS) in children worldwide.
Valeria Michelacci   +10 more
doaj   +1 more source

Isolation of cabbage exosome-like nanovesicles and investigation of their biological activities in human cells

open access: yesBioactive Materials, 2021
There are extensive studies on the applications of extracellular vesicles (EVs) produced in cell culture for therapeutic drug development. However, large quantities of EVs are needed for in vivo applications, which requires high production costs and time.
J. You, S. Kang, W. Rhee
semanticscholar   +1 more source

Curcumin: Biological Activities and Modern Pharmaceutical Forms

open access: yesAntibiotics, 2022
Curcumin (1,7-bis-(4-hydroxy-3-methoxyphenyl)-hepta-1,6-diene-3,5-dione) is a natural lipophilic polyphenol that exhibits significant pharmacological effects in vitro and in vivo through various mechanisms of action.
Maja Urošević   +5 more
semanticscholar   +1 more source

Synthesis of Chalcones Derivatives and Their Biological Activities: A Review

open access: yesACS Omega, 2022
Chalcone derivatives are considered valuable species because they possess a ketoethylenic moiety, CO–CH=CH–. Due to the presence of a reactive α,β-unsaturated carbonyl group, chalcones and their derivatives possess a wide spectrum of antiproliferative ...
Nadia A. A. Elkanzi   +5 more
semanticscholar   +1 more source

The Arabidopsis GPI-anchored protein COBL11 is necessary for regulating pollen tube integrity

open access: yesCell Reports, 2023
Summary: Pollen tube integrity is required for achieving double fertilization in angiosperms. The rapid alkalinization factor4/19-ANXUR1/2-Buddha’s paper seal 1/2 (RALF4/19-ANX1/2-BUPS1/2)-complex-mediated signaling pathway is critical to maintain pollen
Hongxia Li   +11 more
doaj   +1 more source

Polysaccharides from fungi: A review on their extraction, purification, structural features, and biological activities

open access: yesFood chemistry: X, 2022
Highlights • A variety of extraction methods of polysaccharides from fungi are reviewed and compared.• Purification methods, structure of fungal polysaccharides were reviewed.• Diverse biological activities of fungal polysaccharides were outlined ...
Wenli Wang   +5 more
semanticscholar   +1 more source

Pharmacological Profile of Oxazine and its Derivatives: A Mini Review [PDF]

open access: yesInternational Journal of New Chemistry, 2020
Oxazine derivatives are significant class of heterocycle compounds, which has involved much synthetic attention due to their extensive variety of pharmacological activities. Oxazine is a heterocyclic compound can be formally derived from benzene, and its
Mohammad Asif, Mohd Imran
doaj   +1 more source

Polydatin: Pharmacological Mechanisms, Therapeutic Targets, Biological Activities, and Health Benefits

open access: yesMolecules, 2022
Polydatin is a natural potent stilbenoid polyphenol and a resveratrol derivative with improved bioavailability. Polydatin possesses potential biological activities predominantly through the modulation of pivotal signaling pathways involved in ...
A. Karami   +3 more
semanticscholar   +1 more source

Synthesis and Biological Activities of Some 1,2,4-Triazole Derivatives: A Review

open access: yesAl-Mustansiriyah Journal of Pharmaceutical Sciences, 2022
This review is about 1,2,4-triazoles include their synthesis; their physio-chemical properties, SAR, reactions, derivatives. Finally, their biological activities with a demonstrated showing   different requirements to achieve different ...
Dina Saleem M. Ameen   +2 more
doaj   +1 more source

Phthalic Acid Esters: Natural Sources and Biological Activities

open access: yesToxins, 2021
Phthalic acid esters (PAEs) are a class of lipophilic chemicals widely used as plasticizers and additives to improve various products’ mechanical extensibility and flexibility. At present, synthesized PAEs, which are considered to cause potential hazards
Ling-Qiao Huang   +6 more
semanticscholar   +1 more source

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