Results 21 to 30 of about 50,951 (250)

Quantification of the Antioxidant Activity of Plant Extracts: Analysis of Sensitivity and Hierarchization Based on the Method Used

open access: yesAntioxidants, 2020
Plants have a large number of bioactive compounds with high antioxidant activity. Studies for the determination of the antioxidant activity of different plant species could contribute to revealing the value of these species as a source of new antioxidant
Natividad Chaves   +2 more
doaj   +1 more source

Phytochemicals and Antioxidant Activities in methanol extracts of Endemic Haplophyllum Species from Türkiye

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2023
The aim of the current study is to determine the total flavonoids, phenolics and antioxidant activities of methanol extracts from aerial parts of four endemic Haplophyllum species to Türkiye (H. myrtifolium, H. vulcanicum, H. pumiliforme, and H. sahinii).
Cennet Yaman
doaj   +1 more source

Antioxidant Potential and Phenolic Content of Taraxacum officinale Root Extract

open access: yesPharmata
Objective: The purpose of this study was to assess the antioxidant capability and bioactive chemical profile of Taraxacum officinale roots, a medicinal plant with potential therapeutic uses.Methods: 70% methanol was used to extract the roots, and the ...
Aslı Yılmaz, Sefa Gözcü
doaj   +1 more source

In vitro propagated Mentha rotundifolia (L.) Huds and antioxidant activity of its essential oil

open access: yesCurrent Issues in Pharmacy and Medical Sciences, 2018
Mentha rotundifolia (L.) Huds is an aromatic plant used for its medicinal values. This study aims to select appropriate conditions for in vitro propagation of M. rotundifolia (L.) Huds and to evaluate yield and antioxidants activity of its essential oils
Benahmed Amira   +5 more
doaj   +1 more source

Fingerprinting FTIR-ATR Fraksi Kopi Robusta dan Arabika serta Korelasinya terhadap Aktivitas Antioksidan

open access: yesJurnal Teknologi dan Industri Pangan, 2023
Coffee has a positive effect on health due to its high content of antioxidant compounds. The potential antioxidant activity of coffee is strongly influenced by its chemical compound profile. This study aimed to analyze the effect of different solvents on
Masjuwina Simatupang   +2 more
doaj   +1 more source

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

open access: yesAdvanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

Microfabrication of Soft Millirobots Propelled by Low Voltage Electrohydraulic Actuators

open access: yesAdvanced Materials Technologies, EarlyView.
Manual layer‐by‐layer assembly is replaced by wafer‐level MEMS batch fabrication for compliant polymer‐based electrohydraulic actuators. The microfabricated devices integrate sacrificially defined microcavities, Parylene‐C‐sealed inlets, and multilayer polymer–metal films.
Shai Shmulevich   +2 more
wiley   +1 more source

Effect of heat treatment on phenolic content and antioxidant activity of peanut (Arachis hypogaea L.) extracts [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة
Peanuts are rich in various bioactive compounds, including total phenolics and total flavonoids. The aim of this study is to evaluate the effects of heating on total phenolic content, total flavonoid content, and antioxidant activity in peanut (Arachis ...
Eman Mohamed   +3 more
doaj   +1 more source

Silk Fibroin Nanofiber–Immobilized Horseradish Peroxidase Enables Continuous Preparation of Injectable Hydrogels With Negligible Residual Enzyme for Drug Delivery

open access: yesAdvanced Materials Technologies, EarlyView.
Overcoming the immunogenicity challenges of enzyme‐mediated crosslinking, a flow‐through reactor utilizing SFNF‐HRP enables the continuous production of injectable hydrogels. This continuous platform ensures homogeneous crosslinking while minimizing residual HRP in the resulting hydrogels.
Ayari Miyawaki, Shinji Sakai
wiley   +1 more source

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