Results 71 to 80 of about 2,195,670 (385)

PERBEDAAN PENGARUH HIDROGEN PEROKSIDA 35% DAN KARBAMID PEROKSIDA 35% TERHADAP MICROLEAKAGE PADA RESIN KOMPOSIT NANOHYBRID

open access: yesODONTO: Dental Journal, 2015
Background: Intrinsic tooth discoloration is an aesthetic problem for most people. One of the Intracoronal bleaching treatment used hydrogen peroxide 35% and carbamide peroxide 35%.
Istianah Istianah   +2 more
doaj   +1 more source

Concentration of Hydrogen Peroxide [PDF]

open access: yes, 2006
Methods for concentrating hydrogen peroxide solutions have been described. The methods utilize a polymeric membrane separating a hydrogen peroxide solution from a sweep gas or permeate.
Parrish, Clyde F.
core   +1 more source

NR4A1 Exerts Pro‐Tumor Role in Glioblastoma via Inducing xCT/GPX4‐Regulated Ferroptosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Purpose This study investigates NR4A1's paradoxical roles in glioblastoma (GBM) progression, focusing on its mechanistic link to ferroptosis regulation. We aimed to resolve conflicting reports of NR4A1 as both an oncogene and a tumor suppressor by defining its transcriptional control over xCT/GPX4‐mediated iron homeostasis and its clinical ...
Peng Tao   +10 more
wiley   +1 more source

Complexes of hydrogen peroxide and DNA phosphate group in quantum chemical calculations

open access: yesБіофізичний вісник, 2018
Background: Molecules of hydrogen peroxide (H2O2) can be formed during radiolysis process in water medium after irradiation. A hypothesis about the possible role of hydrogen peroxide in blocking of processes of nonspecific DNA recognition by proteins is ...
D. V. Piatnytskyi, S. N. Volkov
doaj   +1 more source

Hydrogen peroxide metabolism and functions in plants.

open access: yesNew Phytologist, 2018
Contents Summary 1197 I. Introduction 1198 II. Measurement and imaging of H2 O2 1198 III. H2 O2 and O2 ·- toxicity 1199 IV. Production of H2 O2 : enzymes and subcellular locations 1200 V. H2 O2 transport 1205 VI.
N. Smirnoff, D. Arnaud
semanticscholar   +1 more source

Coating for components requiring hydrogen peroxide compatibility [PDF]

open access: yes, 2010
The present invention provides a heretofore-unknown use for zirconium nitride as a hydrogen peroxide compatible protective coating that was discovered to be useful to protect components that catalyze the decomposition of hydrogen peroxide or corrode when
Yousefiani, Ali
core   +1 more source

Portal Venous Gas Following Ingestion of Hydrogen Peroxide Successfully Treated with Hyperbaric Oxygen Therapy [PDF]

open access: yes, 2018
The primary toxicity of hydrogen peroxide results from its interaction with catalase, which liberates water and oxygen. We report the case of a 14-year-old Japanese girl with portal venous gas that was caused by oxygen liberated from intentionally ...
Hagioka, Shingo   +10 more
core   +1 more source

Hydrogen peroxide in the human body [PDF]

open access: yesFEBS Letters, 2000
Hydrogen peroxide (H2O2) is widely regarded as a cytotoxic agent whose levels must be minimized by the action of antioxidant defence enzymes. In fact, H2O2 is poorly reactive in the absence of transition metal ions. Exposure of certain human tissues to H2O2 may be greater than is commonly supposed: substantial amounts of H2O2 can be present in ...
Barry Halliwell   +2 more
openaire   +3 more sources

Moyamoya Disease and the Risk of Parkinson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objectives Moyamoya disease (MMD) is a rare cerebrovascular disorder characterized by the progressive narrowing of arteries at the base of the brain, forming abnormal collateral vascular networks. While vascular parkinsonism is noted in MMD, its link to Parkinson's disease (PD) has not been explored.
Dallah Yoo   +9 more
wiley   +1 more source

Evaluation of Extraradicular Diffusion of Hydrogen Peroxide during Intracoronal Bleaching Using Different Bleaching Agents

open access: yesInternational Journal of Dentistry, 2015
Objectives. Extra radicular diffusion of hydrogen peroxide associated with intracoronal teeth bleaching was evaluated. Methods. 108 intact single rooted extracted mandibular first premolars teeth were selected.
Mohammad E. Rokaya   +4 more
doaj   +1 more source

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