Results 21 to 30 of about 772,657 (248)

Findings from a visibility survey in the construction industry

open access: yesTransportation Research Interdisciplinary Perspectives, 2019
The current study documented worker ratings of visibility on common pieces of construction equipment. Participants (n = 57) were recruited from a health and safety training facility to complete a custom visibility survey.
Mallorie Leduc   +3 more
doaj   +1 more source

Prevalence of loneliness and association with depressive and anxiety symptoms among retirees in Northcentral Nigeria: a cross-sectional study

open access: yesBMC Geriatrics, 2020
Background Retirees face numerous challenges, including disassociation from persons in their social networks in Nigeria. Perceived social isolation or loneliness could impair the quality of life in old age, and lead to mental disorders.
Chima C. Igbokwe   +5 more
doaj   +1 more source

Antioxidant Activity of Deferasirox and Its Metal Complexes in Model Systems of Oxidative Damage: Comparison with Deferiprone

open access: yesMolecules, 2021
Deferasirox is an orally active, lipophilic iron chelating drug used on thousands of patients worldwide for the treatment of transfusional iron overload. The essential transition metals iron and copper are the primary catalysts of reactive oxygen species
Viktor A. Timoshnikov   +4 more
doaj   +1 more source

Spectroscopic Characterization of Commercial UV-Curable Gel Polish, Identifying Acrylate Monomers and Additives Using NMR Technique

open access: yesMedžiagotyra
This study investigates the composition and structure of commercial UV-curable gel polish formulations using advanced spectroscopic techniques. Five commercially available gel polish products and eight raw materials were analyzed using nuclear magnetic ...
Zane GRIGALE-SOROCINA   +3 more
doaj   +1 more source

Photodegradation of organic pollutants in aqueous solutions caused by Fe(OH)aq2+ photolysis: Evidence of OH radical formation

open access: yesInternational Journal of Photoenergy, 2004
Photochemistry of Fe(III) hydroxocomplexes has a great interest because of possibility of hydroxyl radical formation at the primary photochemical step.
I. P. Pozdnyakov   +6 more
doaj   +1 more source

Administrative and sociological variables as correlates of athletes’ performance in Nigeria school sports federation in North-Central States, Nigeria

open access: yesInternational Journal of Educational Innovation and Research, 2022
This study examined administrative and sociological variables as correlates of athlete's performance in Nigeria School Sports Federation in North-Central States, Nigeria.
Falaye Elijah Kayode   +3 more
doaj   +1 more source

The Interplay of Ascorbic Acid with Quinones-Chelators—Influence on Lipid Peroxidation: Insight into Anticancer Activity

open access: yesAntioxidants, 2022
Ascorbic acid is a multifaceted compound that can perform both antioxidant and pro-oxidant activities in the redox reactions induced by transition metal ions, so its role in nature and especially in the human body is still the subject of debate.
Olga Yu. Selyutina   +4 more
doaj   +1 more source

Examining Adhesion Promoters in UV-Cured Nail Coatings: A Comprehensive Investigation into Composition, Polymerization, and Performance Characteristics

open access: yesMedžiagotyra
UV curing nail coatings have gained immense popularity for their rapid curing time and enhanced performance. Achieving strong adhesion to natural nails is crucial for these coatings.
Zane GRIGALE-SOROCINA   +2 more
doaj   +1 more source

Toxicological Assessment of Key Substances in UV-Curable Nail Coatings: HEMA, TMPTA, TPO, HQ, and MEHQ

open access: yesMedžiagotyra
UV-curable nail coatings have gained widespread popularity due to their superior durability, gloss, and fast-curing properties. However, the use of (meth)acrylate monomers, photoinitiators, and inhibitors in these products raises concerns regarding ...
Zane GRIGALE-SOROCINA   +2 more
doaj   +1 more source

Psychometric proprieties of the portuguese version of the frost multidimensional perfectionism scale

open access: yesInternational Journal of Psychological Research, 2017
Perfectionism is defined as the desire to achieve the highest standards of performance, in combination with unduly critical evaluations of one’s performance.
Marco Estêvão Coreia   +2 more
doaj   +1 more source

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