Results 131 to 140 of about 29,669 (238)

Synthesis and cation-receptor properties of macrocyclic imines of anthraquinone [PDF]

open access: yes, 2018
At the present study a series of crown-containing imines of 1-hydroxy-9,10-anthraquinone with donor and acceptor substituents at the anthraquinone nucleus were synthesized.
Незнаева, Д. А.   +1 more
core  

Anthraquinone glycoside from Elaeagnus umbellata Thunb.

open access: yes, 2002
Department of Chemistry, H. N. B. Garhwal University, Srinagar-246 174, India E-mail : ur@oceanfree.net Faculty of Integrated Science and Art, Tokoshima, Japan Manuscript received 15 May 2001, revised 23 August 2001.
O. P. Sati   +3 more
core   +1 more source

Review of phytochemical and antioxidant properties of Ethiopian medicinal plants

open access: yesJSFA reports, EarlyView.
Abstract Ethiopia possesses a rich ethnobotanical heritage and diverse medicinal flora that play an important role in traditional healthcare. Many Ethiopian medicinal plants contain bioactive phytochemicals with potential antioxidant properties. This capital of indigenous knowledge has contributed to the documentation of different medicinal plants that
Endalamaw Yihune   +2 more
wiley   +1 more source

Structure of a stacked anthraquinone–DNA complex

open access: yes, 2010
The crystal structure of the telomeric sequence d(UBrAGG) interacting with an anthraquinone derivative has been solved by MAD. In all previously studied complexes of intercalating drugs, the drug is usually sandwiched between two DNA base pairs. Instead,
Glenford Wright   +4 more
core   +1 more source

Gymnema sylvestre: Bioactive constituents, health benefits, and emerging applications in nutraceuticals and functional foods

open access: yesJSFA reports, EarlyView.
Abstract Gymnema sylvestre (Retz.) R.Br. ex‐Schult., commonly known as “gurmar” or “sugar destroyer,” belongs to the Apocynaceae family and is traditionally used in Ayurveda for diabetes management. This review synthesizes ethnomedicinal evidence with contemporary pharmacological studies, to evaluate the therapeutic properties and mechanistic actions ...
Faiza Saeed   +5 more
wiley   +1 more source

Breaking polyphenol–polysaccharide interactions: the promising role of natural deep eutectic solvents

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract Food processing generates substantial amounts of byproducts rich in valuable bioactive compounds, particularly polyphenols, known for their antioxidant, anti‐UV, and antimicrobial properties. These molecules hold great potential in sectors such as food, cosmetics, and pharmaceuticals.
Paul Sauvetes   +2 more
wiley   +1 more source

Electrospun conducting polymers: recent trends and the transition towards a sustainable future

open access: yesPolymer International, EarlyView.
This review discusses the electrospinning of conducting polymers, detailing procedures, fibrous morphologies, improved properties, applications in electronics, and challenges, while outlining future directions for nanofibre‐based devices in various fields.
Xenofon Karagiorgis   +3 more
wiley   +1 more source

Effects of pH, Temperature and Agitation on the Decolourisation of Dyes by Laccase-Containing Enzyme Preparation from Pleurotus sajor-caju

open access: yesBrazilian Archives of Biology and Technology
(1) Background: In this study, the effects of different pH values (2.4, 3.2, 4.4 and 5.0), temperatures (30, 35, 40, 45 and 50°C) and agitation (100 rpm) on the enzymatic decolourisation of twenty-two dyes belonging to the chromophore groups ...
Fernanda Bettin   +6 more
doaj   +1 more source

Synthesis of an anthraquinone derivative (DHAQC) and its effect on induction of G2/M arrest and apoptosis in breast cancer MCF-7 cell line

open access: yes, 2015
SweeKeong Yeap,1 Muhammad Nadeem Akhtar,2 Kian Lam Lim,3 Nadiah Abu,4,5 Wan Yong Ho,6 Seema Zareen,2 Kiarash Roohani,1 Huynh Ky,4 Sheau Wei Tan,1 Nordin Lajis,7 Noorjahan Banu Alitheen1,4 1Institute of Bioscience, Universiti Putra Malaysia, Selangor ...
Abu N   +10 more
core  

Novel nitro‐quinoline photoinitiators for composites: exploring the effects of hydroxyl and methacrylate substituents on the photopolymerization of dimethacrylate matrices

open access: yesPolymer International, EarlyView.
New quinoline derivatives proved to be efficient photoinitiators for dental resin monomers under two different light‐curing units, yielding favorable conversion, color and fluorescence results in the presence of different co‐initiators, including an eco‐friendly alternative.
Vitor Fernandes Moreno   +2 more
wiley   +1 more source

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