Results 21 to 30 of about 1,593,289 (301)

A facile strategy for incorporation of PtCo alloy into UiO-66-NH2 for cinnamaldehyde hydrogenation

open access: yesCatalysis Communications, 2023
As a material with multifunctional ligands, metal-organic frameworks (MOFs) can effectively regulate the electronic and geometric state of supported metal nanoparticles (MNPs).
Haiyu Shen   +6 more
doaj   +1 more source

Nitrogen-incorporation activates NiFeOx catalysts for efficiently boosting oxygen evolution activity and stability of BiVO4 photoanodes

open access: yesNature Communications, 2021
While solar-to-fuel conversion offers a renewable energy production strategy, photoelectrochemical water splitting requires further optimization.
Beibei Zhang   +7 more
doaj   +1 more source

Real-time quantitative analysis of volatile products generated during solid-state polypropylene thermal oxidation [PDF]

open access: yes, 2013
Analysis of volatile organic compounds (VOCs) during PP thermal oxidation under three oxygen partial pressures (0%, 21% and 100% of atmospheric pressure) at 140 C was performed by proton transfer reaction coupled with Fourier transform ion cyclotron ...
LEPROVOST, Julien   +6 more
core   +1 more source

Chemodivergent transformations of amides using gem-diborylalkanes as pro-nucleophiles

open access: yesNature Communications, 2020
Amides are versatile synthetic building blocks, however the general stability of the amide bond makes its selective transformation challenging. Here, the authors report a chemodivergent transformation of primary, secondary and tertiary amides by using 1 ...
Wei Sun   +5 more
doaj   +1 more source

The “Healthy Meals” web app for the assessment of nutritional content and food allergens in restaurant meals: Development, evaluation and validation

open access: yesDigital Health, 2022
Objective The development and the evaluation of the Healthy Meals web app designed for professionals from different disciplines related to food, aimed to assess the nutritional and food allergen content of restaurant meals, was described.
Floriana Mandracchia   +4 more
doaj   +1 more source

Co-oxidation kinetic model for the thermal oxidation of polyethylene-unsaturated substrate systems [PDF]

open access: yes, 2013
The thermal oxidation of polyethylene (PE) impregnated by the methyl esters of unsaturated fatty acids (UFEs) was studied using chemiluminescence, and infra-red spectrophotometry.
RYCHLÝ, Jozef   +3 more
core   +1 more source

Enhancing stability by trapping palladium inside N-heterocyclic carbene-functionalized hypercrosslinked polymers for heterogeneous C-C bond formations

open access: yesNature Communications, 2021
Catalyst deactivation caused by the aggregation of active metal species poses great challenges for supported metal catalyzed solid-liquid reactions. Here, the authors develop a hypercrosslinked polymer integrated with N-heterocyclic carbene (NHC) as ...
Chengtao Yue   +5 more
doaj   +1 more source

Higher Hepcidin Levels in Adolescents with Obesity Are Associated with Metabolic Syndrome Dyslipidemia and Visceral Fat

open access: yesAntioxidants, 2021
Tightly regulated iron metabolism prevents oxidative stress. Hepcidin is a hormone that regulates iron flow in plasma; its production is induced by an iron overload and by inflammation.
Reyna Rodríguez-Mortera   +4 more
doaj   +1 more source

Oxidative Stress, Nitric Oxide, and Diabetes [PDF]

open access: yesThe Review of Diabetic Studies, 2010
In the recent decades, oxidative stress has become focus of interest in most biomedical disciplines and many types of clinical research. Increasing evidence from research on several diseases show that oxidative stress is associated with the pathogenesis of diabetes, obesity, cancer, ageing, inflammation, neurodegenerative disorders, hypertension ...
Pitocco, Dario   +6 more
openaire   +3 more sources

Paraoxonase 1, HDL Subclasses and Post Surgery Acute Inflammation: A Pilot Study

open access: yesAntioxidants, 2019
High density lipoproteins (HDL) structure and function studies are needed to better understand the heterogeneous nature of the HDL particle, and its interaction with associated proteins such as apolipoprotein A-1 (ApoA-1), paraoxonase 1 (PON1) and the ...
Yasmin Bains   +3 more
doaj   +1 more source

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