Results 11 to 20 of about 217,573 (335)

Acute Toxicity Testing of the Tire Rubber–Derived Chemical 6PPD‐quinone on Atlantic Salmon (Salmo salar) and Brown Trout (Salmo trutta)

open access: yesEnvironmental Toxicology and Chemistry, 2022
Recent identification of 6PPD‐quinone as the chemical causing acute toxicity in coho salmon has led to substantial concern regarding the toxicity of this contaminant for other aquatic species.
A. Foldvik   +3 more
semanticscholar   +1 more source

High-Throughput Virtual Screening of Quinones for Aqueous Redox Flow Batteries: Status and Perspectives

open access: yesBatteries, 2022
Quinones are one of the most promising and widely investigated classes of redox active materials for organic aqueous redox flow batteries. However, quinone-based flow batteries still lack the necessary performance in terms of metrics, such as specific ...
Abhishek Khetan
doaj   +1 more source

Natural Quinone Dyes: A Review on Structure, Extraction Techniques, Analysis and Application Potential

open access: yesWaste and Biomass Valorization, 2021
Synthetic dyes are by far the most widely applied colourants in industry. However, environmental and sustainability considerations have led to an increasing efforts to substitute them with safer and more sustainable equivalents.
Benson Dulo   +4 more
semanticscholar   +1 more source

Investigating the antiparasitic potential of the marine sesquiterpene avarone, its reduced form avarol, and the novel semisynthetic thiazinoquinone analogue thiazoavarone [PDF]

open access: yes, 2020
The chemical analysis of the sponge Dysidea avara afforded the known sesquiterpene quinone avarone, along with its reduced form avarol. To further explore the role of the thiazinoquinone scaffold as an antiplasmodial, antileishmanial and antischistosomal
AIELLO, ANNA   +13 more
core   +1 more source

Evaluation the Effect of Wheat Germ Fermentation Using Yeast and Lactic Acid Bacteria on the Bioactive Compounds [PDF]

open access: yesمجله پژوهش‌های علوم و صنایع غذایی ایران, 2023
Introduction Wheat germ is a valuable nutritional supplement and a by-product of the flour milling industry used for animal feed and oil extraction. Quinone compounds found in wheat germ have anti-cancer properties that are abundantly found in wheat germ.
E. Bayat asl   +2 more
doaj   +1 more source

Regioselectivity of conjugate additions to monoalkyl-1,4-benzoquinones [PDF]

open access: yesJournal of the Serbian Chemical Society, 2002
The regioselectivity of the reaction of conjugate addition of thiols amines, methanol and hydrogen chloride with the monoalkyl-1,4-benzoquinones avarone and 2-tert-butyl- 1,4-benzoquinone was investigated.
Božić Tatjana T.   +5 more
doaj   +3 more sources

Structures of Rhodopseudomonas palustris RC-LH1 complexes with open or closed quinone channels

open access: yesScience Advances, 2021
High-resolution structures of reaction-center light-harvesting 1 complexes provide new insights into quinone dynamics. The reaction-center light-harvesting complex 1 (RC-LH1) is the core photosynthetic component in purple phototrophic bacteria.
D. Swainsbury   +15 more
semanticscholar   +1 more source

The MarR-Type Repressor MhqR Confers Quinone and Antimicrobial Resistance in Staphylococcus aureus [PDF]

open access: yes, 2019
Aims: Quinone compounds are electron carriers and have antimicrobial and toxic properties due to their mode of actions as electrophiles and oxidants.
Fritsch, Verena Nadin   +9 more
core   +1 more source

Protein covalent modification of biologically active quinones [PDF]

open access: yesJournal of the Serbian Chemical Society, 2004
The avarone/avarol quinone/hydroquinone couple shows considerable antitumor activity. In this work, covalent modification of β-lactoglobulin by avarone and its derivatives as well as by the synthetic steroidal quinone 2,5(10)-estradiene- 1,4,17-trione ...
Sladić Dušan M.   +7 more
doaj   +1 more source

Electrochemistry of potential bioreductive alkylating quinones : Part 2. Electrochemical properties of 2,5-bis(1-aziridinyl)-3,6-bis(ethoxycarbonylamino)-1,4-benzoquinone and some model compounds [PDF]

open access: yes, 1990
The reduction mechanism of 2,5-bis(1-aziridinyl)-3,6-bis(ethoxycarbonylamino)-1,4-benzoquinone (Diaziquone, AZQ) and several model compounds of the mono- and bis(1-aziridinyl)quinone type at the dropping mercury electrode in aqueous solutions was studied.
Blauw, J.S.   +6 more
core   +2 more sources

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