Results 41 to 50 of about 10,225 (206)

Identification of Exhaled Volatile Organic Compounds Biomarkers for Lung Cancer Under Data‐Limited Conditions Using Data Augmentation and Multi‐View Feature Selection

open access: yesAdvanced Intelligent Discovery, EarlyView.
This work introduces a novel framework for identifying non‐small cell lung cancer biomarkers from hundreds of volatile organic compounds in breath, analyzed via gas chromatography‐mass spectrometry. This method integrates generative data augmentation and multi‐view feature selection, providing a stable and accurate solution for biomarker discovery in ...
Guancheng Ren   +10 more
wiley   +1 more source

Chalcones X : Syntheses of Naphthalene Chalcone Analogues

open access: yes, 1972
Department of Chemistry, H. B. Technological Institute, Kanpur Received 23 October 1971; revised MSS received 27 March 1972 Chalcones X : Syntheses of Naphthalene Chalcone Analogues.
SHYAM SUNDER MISRA, DINKAR
openaire   +1 more source

Research on synthesis of microwave‐assisted heterocyclic compounds with eco‐friendly solvents and transition metals via C–H activation

open access: yesBulletin of the Korean Chemical Society, EarlyView.
This review summarizes microwave‐assisted transition‐metal catalysis for constructing N‐ and O‐heterocycles, highlighting rapid C–H and pre‐activated C–X activation, improved selectivity, and green synthetic efficiency. Abstract Microwave‐assisted organic synthesis provides a rapid and sustainable platform for synthesizing various heterocycles ...
Woo‐Jin Park, Ye Ri Han, Hyejeong Lee
wiley   +1 more source

Anticancer Activity of Chalcones and Its Derivatives: Review and In Silico Studies

open access: yesMolecules, 2023
Chalcones are direct precursors in the biosynthesis of flavonoids. They have an α,β-unsaturated carbonyl system which gives them broad biological properties.
Fernando Ferreira Leite   +10 more
doaj   +1 more source

Chalcones IX : Syntheses of Some Methoxy Chalcones

open access: yes, 1972
Department of Chemistry, H. B. Technological Institute, Kanpur Received 15 October 1971 Chalcones IX : Syntheses of Some Methoxy Chalcones.
SHYAM SUNDER MISRA, DINKAR
openaire   +1 more source

Buck Wheat: Nutritional, Bioactive Characteristics, Health Benefits, and Side Effects

open access: yesFuture Postharvest and Food, EarlyView.
ABSTRACT Micronutrient deficits have resulted from an over‐reliance on a small number of cereal crops for food security. The agricultural sector faces severe sustainability issues due to the rapid growth of the world's population and sudden climatic changes.
Momina Farooq   +2 more
wiley   +1 more source

Synthesis and Identification of Phenyl Azochalcone & bis- azo – Chalcone Derivatives Derived from P-amino Acetophenone [PDF]

open access: yesKirkuk Journal of Science, 2018
This work involves the synthesis of different substituted amino-chalcones via claisen- schmidt condensation reaction between p-amino acetophenone and different aromatic substituted benzaldehydes. The second step involves the conversion of amino-chalcones
Zahraa Talib Ghlib   +2 more
doaj   +1 more source

Green Synthesis of Chalcone Derivatives Using Chalcones as Precursor

open access: yes, 2022
Recently, the use of green methodologies like sonication, use of ionic liquids, etc. attracted the attention of researchers in the field of organic synthesis as they have advantages such as mild reaction conditions, environmentally benign procedures, etc.
Surbhi, Dhadda,   +2 more
openaire   +2 more sources

A Comprehensive Review on Nutrition, Phytochemistry, Pharmacology and Food Application Perspectives of Bioactive Rich Superfruits

open access: yesFuture Postharvest and Food, EarlyView.
The review critically evaluated and compared the selected superfruit phytochemistry, their bioactive composition and the key health benefits majorly emphasizing the antioxidant potential. It has highlighted the translational challenges in formulating functional foods by addressing the issues related to delivery system, bioavailability mechanism and the
Sharath Kumar Nagaraja   +3 more
wiley   +1 more source

Simple chalcones and bis-chalcones ethers as possible pleiotropic agents

open access: yesJournal of Enzyme Inhibition and Medicinal Chemistry, 2015
The synthesis, the antioxidative properties and the lipoxygenase (LOX) and acetylcholinesterase (AChE) inhibition of a number of 4-hydroxy-chalcones diversely substituted as well as of a series of bis-chalcones ether derivatives are reported. The chalcones derivatives were readily produced using a Claisen-Schmidt condensation in a ultra sound bath in ...
Liargkova, T.   +4 more
openaire   +3 more sources

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