Sensors, 2007 The demonstrated modified spectrophotometric method makes use of the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical and its specific absorbance properties. Theabsorbance decreases when the radical is reduced by antioxidants.
Ulf-Peter Hansen +5 more
doaj +1 more source
The investigation of EPR paramagnetic probe line width and shape temperature dependence in high-temperature superconductors of Bi–Pb–Sr–Ca–Cu–O system [PDF]
, 2008 The work is related with the finding out of magnetic phases in strongly anisotropic high-temperature superconductor Bi1,7Pb0,3Sr2Ca2Cu3O10-δ in the temperature region where the superconductor is in the normal state.
Acrivos, Juana Vivó +5 more
core +3 more sources
Synthesis and DPPH Radical Scavenging Activity of Prenylated Phenol Derivatives
Molecules, 2012 The synthesis of twenty six prenylated phenols derivatives is reported. These compounds were obtained under mild conditions via Electrophilic Aromatic Substitution (EAS) coupling reactions between phenol derivatives containing electron-donor subtituents ...
Héctor Carrasco +9 more
doaj +1 more source
Global analysis of serine/threonine and tyrosine protein phosphatase catalytic subunit genes in Neurospora crassa reveals interplay between phosphatases and the p38 mitogen-activated protein kinase. [PDF]
, 2013 Protein phosphatases are integral components of the cellular signaling machinery in eukaryotes, regulating diverse aspects of growth and development. The genome of the filamentous fungus and model organism Neurospora crassa encodes catalytic subunits for
Borkovich, Katherine A +3 more
core +2 more sources
Synthesis, DPPH and ABTS Activity of Novel Furfuryl-Chalcone Derivatives
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2022 In this study, novel furfuryl-chalcone derivatives substituted sulfonyl chloride or sulphonamide were synthesized. Their antioxidant properties were investigated via DPPH and ABTS assays. All furfuryl-chalcones had high antioxidant properties. Among them,
Zuhal Şahin, Enes Akgün, Fatih Sönmez
doaj
Potensi Antioksidan Rumput Laut Gracilaria verrucosa Dari Pantai Gunung Kidul, Yogyakarta
Jurnal Kelautan Tropis, 2019 Gracilaria verrucosa is red algae that has been widely used as an antioxidant. This research was conducted to test antioxidant activity, total phenolic content and bioactive compound of Gracilaria verrucosa obtained from Pok Tunggal Beach and Ngandong ...
Wahyu Febrianto +4 more
doaj +1 more source
Antioxidants, 2020 Essential oils are an important source of natural antioxidants and multiple methods have been established for evaluation of their overall antioxidant activity, however, the antioxidant activities of their compounds are less investigated.
Xiang Wang +5 more
doaj +1 more source
Antioxidant and antihemolytic activities of methanol extract of Hyssopus angustifolius [PDF]
, 2012 This study was designed to evaluate antioxidant and antihemolytic activities of Hyssopus angustifolius flower, stem and leaf methanol extracts by employing various in vitro assays.
Alinezhad, H. +6 more
core +3 more sources
JRST: Jurnal Riset Sains dan Teknologi, 2023 Pemanasan pada suhu dan waktu optimum dapat meningkatkan aktivitas antioksidan pada madu apis dan trigona karena meningkatnya total fenolik, total flavonoid dan pigmen coklat.
La Ode Sumarlin +6 more
doaj +1 more source
Eucalyptus oleosa Essential Oils: Chemical Composition and Antimicrobial and Antioxidant Activities of the Oils from Different Plant Parts (Stems, Leaves, Flowers and Fruits) [PDF]
, 2011 Essential oils obtained by hydrodistillation from the different parts (stems, adult leaves, immature flowers and fruits) of Eucalyptus oleosa were screened for their antioxidant and antimicrobial properties and their chemical composition. According to GC-
Ahmed Lebrihi +21 more
core +4 more sources