Results 31 to 40 of about 111,785 (320)

Metal-Free Aminohalogenation of Quinones With Alkylamines and NXS at Room Temperature

open access: yesFrontiers in Chemistry, 2022
A simple and practical strategy for intermolecular aminohalogenation of quinone with alkyl amines and NXS was developed, in which haloamines generated in situ were employed as bifunctional reagents.
Jia Li, Yu-An Li, Ge Wu, Xu Zhang
doaj   +1 more source

Surface Self-Assembly of Functionalized Molecules on Ag(111): More Than Just Chemical Intuition [PDF]

open access: yesACS Nano 2021, 15, 4, 6723-6734, 2020
The fabrication of nanomaterials involves self-ordering processes of functional molecules on inorganic surfaces. To obtain specific molecular arrangements, a common strategy is to equip molecules with functional groups. However, focusing on the functional groups alone does not provide a comprehensive picture.
arxiv   +1 more source

Polyphenol-Protein Complexes and Their Consequences for the Redox Activity, Structure and Function of Honey. A Current View and New Hypothesis – a Review

open access: yesPolish Journal of Food and Nutrition Sciences, 2015
There is increasing evidence that protein complexation by honey polyphenols is changing honey structure and function. This relatively less investigated filed of honey research is presented in a context of known mechanism of formation of the stable ...
Brudzynski Katrina   +1 more
doaj   +1 more source

Electrocoagulation of Quinone Pigments

open access: yesMolecules, 2006
Some representative quinones, viz. one naphthoquinone (plumbagin) and five anthraquinones (alizarin, purpurin, chrysazin, emodin, and anthrarufin), were subjected to electrocoagulation.
Duang Buddhasukh   +5 more
doaj   +1 more source

Therapeutic Potential of Phenolic Compounds in Medicinal Plants—Natural Health Products for Human Health

open access: yesMolecules, 2023
Phenolic compounds and flavonoids are potential substitutes for bioactive agents in pharmaceutical and medicinal sections to promote human health and prevent and cure different diseases.
Wenli Sun, Mohamad Hesam Shahrajabian
doaj   +1 more source

Gaseous Plasmonic Resonators for Metamaterial Applications [PDF]

open access: yes, 2018
We examine the properties of a gaseous plasma resonator generated by focusing a high-energy laser pulse through a lens and into a gas. An analytical model is presented describing the scattering resonance of these near-ellipsoidal plasmas and its dependence on their eccentricity and intrinsic plasma properties. This dependence is investigated through Ku
arxiv   +1 more source

2-Methyl-6-phytylquinol and 2,3-dimethyl-5-phytylquinol as precursors of tocopherol synthesis in spinach chloroplasts [PDF]

open access: yes, 1980
The incorporation of [Me-14C] from SAM-[Me-14C] into precursors indicates the following sequence of tocopherol synthesis in spinach: 2-methyl-6-phytylquinol (6-phytyltoluquinol) (1a) → 2,3-dimethyl-5-phytylquinol (phytylplastoquinol) (2a)→,γ-tocopherol ...
Bickel   +18 more
core   +1 more source

Green Synthesis and Antimicrobial Potential of Silver Nanoparticles with Boerhavia procumbens Extract

open access: yesJournal of Pure and Applied Microbiology, 2020
The goals of the present study were to use silver nitrate (AgNO3 ) solution to synthesize plant-mediated silver nanoparticles (AgNPs) using Boerhavia procumbens extract, to evaluate the antimicrobial potential of crude B.
Muhammad Rizwan   +9 more
doaj   +1 more source

A New Quinone-Based Inhibitor of Mitochondrial Complex I in D-Conformation, Producing Invasion Reduction and Sensitization to Venetoclax in Breast Cancer Cells

open access: yesAntioxidants, 2023
Mitochondrial Complex I plays a crucial role in the proliferation, chemoresistance, and metastasis of breast cancer (BC) cells. This highlights it as an attractive target for anti-cancer drugs.
Matías Monroy-Cárdenas   +8 more
doaj   +1 more source

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