Results 21 to 30 of about 190,710 (211)

Infusiones de plantas medicinales: Actividad antioxidante y fenoles totales

open access: yesAgroindustrial Science, 2020
Las infusiones son consumidas como bebidas sociales para aliviar dolencias y como parte de la cultura por siglos. El objetivo de la investigación es evaluar la capacidad antioxidante (DPPH y ABTS°+) y fenoles totales de infusiones preparadas con plantas ...
Elizabeth Ordoñez   +2 more
doaj   +1 more source

YBCO microwave resonators for strong collective coupling with spin ensembles [PDF]

open access: yes, 2015
Coplanar microwave resonators made of 330 nm-thick superconducting YBCO have been realized and characterized in a wide temperature ($T$, 2-100 K) and magnetic field ($B$, 0-7 T) range.
A. Cassinese   +8 more
core   +2 more sources

The Effectiveness of Adding Red Fruit Oil (Pandanus conoideus Lamk.) into Ethanol Extract of Temulawak rhizome (Curcuma xanthorrhiza Roxb.) as Antioxidant

open access: yesJurnal Kimia Sains dan Aplikasi, 2020
Curcuma xanthorrhiza Roxb (temulawak) is a native Indonesian plant; ethnobotanically, it can facilitate breast milk, body fresheners, stomach lozenges, and seizure medications.
Sari Purbaya   +2 more
doaj   +1 more source

Study of the local field distribution on a single-molecule magnet-by a single paramagnetic crystal; a DPPH crystal on the surface of an Mn12-acetate crystal [PDF]

open access: yes, 2011
The local magnetic field distribution on the subsurface of a single-molecule magnet crystal, SMM, above blocking temperature (T >> Tb) detected for a very short time interval (~ 10-10 s), has been investigated.
Boris Rakvin   +5 more
core   +2 more sources

EVALUATION OF THE ANTIOXIDANT ACTIVITY OF THE FLAVONOIDS ISOLATED FROM HELIOTROPIUM SINUATUM RESIN USING ORACFL, DPPH AND ESR METHODOLOGIES [PDF]

open access: yes, 2016
Indexación: Web of Science; Scielo.The antioxidant capacity has been determined for a number of flavonoid compounds from Heliotropium sinuatum, a plant that grows in arid areas in the north of Chile.
Barriga-Gonzalez, G   +4 more
core   +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]

open access: yes, 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

Paramagnetic Susceptibilities of Some DPPH Derivatives [PDF]

open access: yesBulletin of the Chemical Society of Japan, 1969
Abstract The static magnetic susceptibilities of poly crystalline samples of 1,1-bis(p-chlorophenyl)-2-picrylhydrazyl (Cl-DPPH), 1,1-bis(p-bromophenyl)-2-picrylhydrazyl (Br-DPPH), and 1,1-bis (p-methoxyphenyl)-2-picrylhydrazyl (CH3O-DPPH) were measured in the temperature range from 10°K to 300°K.
Noriko Ohigashi, Hiroo Inokuchi
openaire   +1 more source

Aktivitas Penangkapan Radikal Bebas DPPH dan Daya Reduksi Ekstrak Gracilaria verrucosa

open access: yesJRST: Jurnal Riset Sains dan Teknologi, 2020
Gracilaria verrucosa adalah salah satu jenis rumput laut merah yang memiliki kandungan bioaktif untuk antioksidan alami. Penelitian ini bertujuan untuk mengetahui aktivitas antioksidan yang terkandung di dalam Gracilaria verrucosa dengan menggunakan dua ...
Anggi Setiabudi   +2 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]

open access: yes, 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

Plant elicitation with salicylic acid increases bioactive compounds content and antioxidant activity in the infusion of Achillea millefolium L.

open access: yesBioscience Journal, 2019
This study evaluated the total polyphenols content and the antioxidant activity of the infusion prepared with leaves from Achillea millefolium L. plants treated with salicylic acid (SA).
Pedro Henrique Gorni   +5 more
doaj   +1 more source

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