Results 101 to 110 of about 32,676 (309)

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

Secondary Metabolites from Pepper (Piper Nigrum) and Tahitian Noni (Morinda Citrifolia) and Their Biological Activities [PDF]

open access: yes, 2009
Piper nigrum from the Piperaceae family and Morinda citrifolia from the Rubiaceae family were researched in this study. Detailed phytochemical investigations on the roots of these plants afforded ten pure compounds, which consists mainly of alkaloids and
Wen, Yin Ping
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

Extraction of Anthraquinones from Japanese Knotweed Rhizomes and Their Analyses by High Performance Thin-Layer Chromatography and Mass Spectrometry

open access: yesPlants, 2020
Anthraquinones (yellow dyes) were extracted from Japanese knotweed rhizomes with twelve extraction solvents (water; ethanol(aq) (20%, 40%, 60%, 70% and 80%), ethanol, 70% methanol(aq), methanol, 70% acetone(aq), acetone and dichloromethane). The obtained
Vesna Glavnik, Irena Vovk
doaj   +1 more source

Metabolism of sulphonated anthraquinones in rhubarb, maize and celery: the role of cytochromes P450 and peroxidases [PDF]

open access: yes, 2018
Sulphonated anthraquinones are precursors of many synthetic dyes and pigments, recalcitrant to biodegradation, and thus contaminating many industrial effluents and rivers.
Page, Valérie   +1 more
core  

Enhanced anthraquinones production from adsorbent-treated Morinda elliptica cell suspension cultures in production medium strategy. [PDF]

open access: yes, 2007
Continuous removal of anthraquinones (AQ) by Amberlite polymeric adsorbents (XAD-4, XAD-7 and XAD-16) through in situ adsorption in Morinda elliptica cell suspension cultures is studied for product recovery and improvement of the overall titre.
Abdullah, Mohd Azmuddin, Chiang, Lim
core   +1 more source

Slim and scum: Natural products from land and sea [PDF]

open access: yes, 2000
To a natural-products chemist, the term "natural products" does not refer to all compounds from natural sources, as the name might imply. It is specifically used to refer to compounds known as secondary metabolites, structurally complex molecules, often ...
Prinsep, Michèle R.
core   +1 more source

Content of bioactive constituents and antioxidant potential of Galium L. species [PDF]

open access: yes, 2018
Qualitative phytochemical analyses of eight species from the genus Galium (G. corrudifolium, G. cruciata, G. divaricatum, G. lucidum, G. mollugo, G. palustre, G. parisiense, and G. verum), followed by spectrophotometric evaluation of their total phenolic,
Friščić, Maja   +4 more
core   +4 more sources

Phytochemical and antifungal activity of anthraquinones and root and leaf extracts of Coccoloba mollis on phytopathogens

open access: yesBrazilian Archives of Biology and Technology, 2011
The aim of this work was to study the phytochemical and antifungal activity of anthraquinones and root and leaf extracts of Coccoloba mollis on phytopathogens.
Iuri Bezerra de Barros   +5 more
doaj   +1 more source

Isolation of an Anti-Cancer Asperuloside From Hedyotis Corymbosa L. [PDF]

open access: yes, 2015
Hedyotis corymbosa, with local name rumput mutiara, is an anti-inflammatory, anti-cancer and hepatoprotective traditional medicine. The ethanol extract of H. corymbosa L. shows inhibitory activity to human YMB-1 breast cancer cell line with an IC50 of 6.
Andriyani, R. (Rina)   +7 more
core   +1 more source

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