Results 111 to 120 of about 77,595 (352)

Bond Length - Bond Valence Relationships for Carbon - Carbon and Carbon - Oxygen Bonds [PDF]

open access: yes, 2015
In the present study, relationships are developed for determining bond orders (also referred to as bond valences or bond numbers) from published bond lengths for carbon-carbon (C-C) and carbon-oxygen (C-O) bonds.
Hardcastle, F. D., Harris, C.
core   +3 more sources

Empowering Carbon Fibers With Ti3C2Tx MXene: A Paradigm Shift Toward Integrated Structure‐Function Composites

open access: yesAdvanced Science, EarlyView.
This review comprehensively outlines how Ti3C2Tx MXene transforms carbon fiber from a structural component into a multifunctional platform. We systematically detail cutting‐edge modification strategies and showcase exceptional performance in EMI shielding, energy storage, smart sensing, and beyond.
Hongshuo Cao   +6 more
wiley   +1 more source

Investigating emodin derivatives against SARS-CoV-2 found in medicinal herbs

open access: yesKuwait Journal of Science
SARS-CoV-2 continues to mutate and circulate at alarming levels around the world and is exemplified by the emergence of the new variant JN.1.
Usha T., Hemavathi K.N., Goyal A.K.
doaj   +1 more source

The effects of bicarbonate and mineral surfaces on uranium immobilization under anaerobic conditions [PDF]

open access: yes, 2011
For four decades, from 1940 through 1980, the U.S. Department of Energy (DoE) extensively mined and processed uranium at various sites. As a result, widespread uranium contamination exists in subsurface sediments and aquifers.
Jurado, Luis A.
core  

Aqueous Zinc‐Based Batteries: Active Materials, Device Design, and Future Perspectives

open access: yesAdvanced Energy Materials, EarlyView.
This review conducts a comprehensive analysis of aqueous zinc‐based batteries (AZBs) based on their intrinsic mechanisms, including redox reactions, ion intercalation reactions, alloying reactions, electrochemical double‐layer reactions, and mixed mechanisms, systematically discussing recent advancements in each type of AZBs.
Yan Ran, Fang Dong, Shuhui Sun, Yong Lei
wiley   +1 more source

Folate-Receptor-Targeted Gold Nanoparticles Bearing a DNA-Binding Anthraquinone

open access: yesInorganics
In recent years, anthraquinones have been widening their therapeutic opportunities given their numerous health benefits. The search for adequate delivery platforms to improve their pharmacokinetics leads us to propose herein folate-capped gold ...
Ana B. Caballero   +2 more
doaj   +1 more source

Mersaquinone, A New Tetracene Derivative from the Marine-Derived Streptomyces sp. EG1 Exhibiting Activity against Methicillin-Resistant Staphylococcus aureus (MRSA)

open access: yesAntibiotics, 2020
New antibiotics are desperately needed to overcome the societal challenges being encountered with methicillin-resistant Staphylococcus aureus (MRSA). In this study, a new tetracene derivative, named Mersaquinone (1), and the known Tetracenomycin D (2 ...
Min Cheol Kim   +7 more
doaj   +1 more source

Constituents from Moghat, the Roots of Glossostemon bruguieri (Desf.)

open access: yesMolecules, 2003
The new biflavone moghatin (3″′-hydroxycupressuflavone) was isolated from Moghat, the dried peeled roots of Glossostemon bruguieri (Desf.), together with five known compounds: 4′-methoxyisoscutellargin, sesamin, chrysophanol, emodin and ...
Meselhy R. Meselhy
doaj   +1 more source

3-Bromo-1-Hydroxy-9,10-Anthraquinone (BHAQ) Inhibits Growth and Migration of the Human Breast Cancer Cell Lines MCF-7 and MDA-MB231

open access: yesMolecules, 2013
Breast cancer is becoming more prominent in women today. As of now, there are no effective treatments in treating metastatic breast cancer. We have tested the cytotoxic and anti-migration effects of BHAQ, a synthesized anthraquinone, on two breast cancer
Swee Keong Yeap   +4 more
doaj   +1 more source

Enzymatic one-step ring contraction for quinolone biosynthesis. [PDF]

open access: yes, 2018
The 6,6-quinolone scaffolds on which viridicatin-type fungal alkaloids are built are frequently found in metabolites that display useful biological activities.
Champagne, Pier Alexandre   +7 more
core  

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