Results 71 to 80 of about 88,475 (354)

Antioxidant and scavenging activity of skyrin on free radical and some reactive oxygen species. [PDF]

Avances en Química, 2008
Skyrin is a natural product from some botanical species (fungi) and the first small molecular weight nonpeptidic antidiabetic agents. Now, the objective of this study was to investigate the ability of skyrin to inhibit free radical and some reactive ...
José Medina, Ernesto Medina, María Pineda, Carla Izzo, Jessenia Ortega, Verónica López, Tamara Zoltan, Carlos Rivas, Franklin Vargas*, Luís Rosales   +9 more
doaj  

Chemical constituents and antioxidant activity of garcinia parvifolia Miq. stem bark [PDF]

, 2015
The chemical constituents of GarciniaparvifoliaMiq.stem bark have been studied. The dried samples have been extracted using Soxhlet apparatus to give the crude products.
Ahmad, Farediah, Basar, Norazah, Hassan, Muhammad Aizam   +2 more
core  

The effect of melatonin on bacterial translocation following ischemia/reperfusion injury in a rat model of superior mesenteric artery occlusion [PDF]

, 2015
Background: Acute mesenteric ischemia is a life-threatening vascular emergency resulting in tissue destruction due to ischemia-reperfusion injury. Melatonin, the primary hormone of the pineal gland, is a powerful scavenger of reactive oxygen species (ROS)
Aydin, B., Aydin, C., Berber, I., Birsen, O., Cevahir, N., Gumrukcu, G., Yenisey, C., Özban, Murat.   +7 more
core   +2 more sources

In Situ Constructed Magnetic Core‐Shell Hydrogen‐Bonded Organic Framework‐on‐Metal–Organic Framework Structure: an Efficient Catalyst for Peroxymonosulfate Activation

Advanced Functional Materials, EarlyView.
In this work, a magnetic core‐shell catalyst (HOF‐on‐Fe3O4/ZIF‐67) is successfully synthesized, consisting of a metal–organic framework (ZIF‐67) with magnetic Fe3O4 as the core and a porous hydrogen‐bonded organic framework (HOF) as the shell. The catalyst efficiently activated peroxymonosulfate, resulting in rapid and effective removal of water ...
Yingying Du, Chenhui Ding, Chao Deng, Susanta Banerjee, Seema Agarwal   +4 more
wiley   +1 more source

Improvement of Postischemic Dopaminergic Dysfunction by Edaravone, a Free Radical Scavenger

Journal of Pharmacological Sciences, 2007
Effects of a free radical scavenger, edaravone (3-methyl-1-phenyl-2-pyrazolin-5-one), on ischemia/reperfusion-induced dysfunctions of rat striatal dopaminergic neurons were examined using in vivo brain microdialysis.
Yoshinori Akiyama, Soichi Miwa
doaj  

Gold and gold-graphene used as cathodic interfaces for scission of carbon-halogen bonds. Application to the building of anthraquinone-Au electrodes

, 2014
International audienceGold (smooth or covered with a thin layer of graphene) is an efficient free-radical scavenger when used as cathode material. This first work points out the immobilization of anthraquinone (AQ) in organic polar solvents containing ...
Jouikov, Viatcheslav, Simonet, Jacques
core   +3 more sources

Sonolysis of levodopa and paracetamol in aqueous solutions. [PDF]

, 2009
Pharmaceutical products are often present in wastewater treatment effluents, rivers, lakes and, more rarely, in groundwater. The advanced oxidation methods, like ultrasound, find a promising future in the area of wastewater treatment.
Delmas, Henri, Julcour-Lebigue, Carine, Jáuregui Haza, Ulises Javier, Quesada-Peñate, Isariebel, Wilhelm, Anne-Marie   +4 more
core   +1 more source

Hydrogel‐Based Photothermal‐Catalytic Membrane for Efficient Cogeneration of Freshwater and Hydrogen in Membrane Distillation System

Advanced Functional Materials, EarlyView.
This work presents an overview of the PTC‐VMD system for water‐hydrogen co‐generation. a) Illustration of the hydrogel‐based PTC membrane and the co‐generation of water and hydrogen. b) Structure of the PTC‐VMD system and the functions of each component layer.
Jiawei Sun, Muhammad Usman Farid, Wenlong Xi, Gang Lu, Min Wei Boey, Sai Kishore Ravi, Patrick H.‐L. Sit, Alicia Kyoungjin An   +7 more
wiley   +1 more source

A Flavonol Compound From Chingia Sakayensis (Zeiller) Holtt And Its Activity As DPPH Free Radical Scavenger = Suatu Senyawa Flavonol dari Daun Tumbuhan Paku Chingia Sakayensis (Zeiler) Holtt dan Aktivitasnya Sebagai... [PDF]

, 2003
It has been separated a flavonol 3,5,7,4\u27-tetrahydroxy flavone (kaemferol) from the methanol extract partitioned by ethyl acetate of the leaves of the fern Chingia sakayensis (Zeiller) Holtt. This was obtained as yellow crystals with m.p.
Suyatno
core   +1 more source

Radical Fluoroalkylation Reactions [PDF]

, 2018
Recent protocols and reactions for catalytic radical perfluoroalkylations will be described. The production of perfluoroalkyl radicals (RF = CnF2n+1, n ≥ 2), which effect both addition and substitution reactions on organic substrates, can be realized ...
Barata Vallejo, Sebastian, Cooke, María Victoria, Postigo, A.   +2 more
core   +1 more source