Results 81 to 90 of about 48,877 (239)

Agents Play Mix-game [PDF]

open access: yes, 2005
In mix-game which is an extension of minority game, there are two groups of agents; group1 plays the majority game, but the group2 plays the minority game. This paper studies the change of the average winnings of agents and volatilities vs. the change of mixture of agents in mix-game model. It finds that the correlations between the average winnings of
arxiv   +1 more source

Titanium Dioxide in Sunscreen [PDF]

open access: yes, 2017
Titanium dioxide has been used in various industrial and cosmetic applications due to its unique elemental properties. This substance has a refractive index higher than most other compounds (n = 2.6142, in comparison to water at 20℃ n = 1.33).
Murase, Jenny, Trivedi, Megha
core   +1 more source

Kaempferia Sp. Extracts as UV Protecting and Antioxidant Agents in Sunscreen

open access: yesJournal of Herbs, Spices & Medicinal Plants, 2020
The ethanolic rhizome extracts of Kaempferia species (K. angustiflora, K. elegans, K. galanga-1, K. galanga-2, K. galanga-3, K. marginata, K. parviflora, K. pulchra, and K. rotunda) were evaluated for their UV protective and antioxidant properties. The effective extracts K. elegans, K. galanga-1, and K.
Siriwoot Sookkhee   +7 more
openaire   +2 more sources

Solid-Phase Extraction and Reverse-Phase HPLC: Application to Study the Urinary Excretion Pattern of Benzophenone-3 and its Metabolite 2,4-Dihydroxybenzophenone in Human Urine [PDF]

open access: yes, 2008
Background: Benzophenone-3 (BZ-3) is a common ultraviolet (UV) absorbing compound in sunscreens. It is the most bioavailable species of all UV-absorbing compounds after topical application and can be found in plasma and urine.Objectives: The aim of this ...
Farbrot, Anne   +4 more
core   +5 more sources

Edukasi penggunaan sediaan tabir surya sebagai upaya pencegah penuaan dini dan kanker kulit di SMAIT Anak Sholeh Mataram [PDF]

open access: yes, 2023
Prolonged sun exposures can have negative impacts to skin such as premature aging and skin cancer. These impacts can be minimized by using sunscreen. Unfortunately, majority of Lombok islanders, especially students, still not aware on sunscreen benefits ...
Hajrin, Wahida   +2 more
core   +1 more source

Nuevas alternativas de inmovilización de activos antioxidantes

open access: yesRevista Cubana de Investigaciones Biomédicas, 2001
Durante las últimas décadas se ha hecho énfasis en el desarrollo de nuevos sistemas de inmovilización que permitan prolongar el tiempo de vida de una sustancia con el objetivo de mejorar su eficacia.
Yanet Esperanza Gelabert Rodríguez   +1 more
doaj  

Untersuchung der Radikalbildung durch Sonnenbestrahlung in Abhängigkeit der Dosis und spektralen Bereiche [PDF]

open access: yes, 2019
Introduction: The skin is particularly exposed to solar-induced oxidative stress. An excessive exposure to ultraviolet (UV) radiation increases the radical concentration, likely inducing skin damage (inflammation, tumor progression). Investigations on ex
Albrecht, Stephanie
core   +1 more source

PREPARATION OF SOLID LIPID NANOPARTICLES CONTAINING MANGOSTEEN PERICARP EXTRACT [PDF]

open access: yes, 2018
Objectives: The aim of this study was to develop solid lipid nanoparticles (SLNs) containing mangosteen pericarp extract (MPE) to achieve enhanced photoprotection and to provide an alternative to synthetic sunscreens in the market.Materials and Methods ...
Diniyanti, Siti Nur
core   +1 more source

A perspective on the ultrafast photochemistry of solution-phase sunscreen molecules [PDF]

open access: yes, 2016
Sunscreens are one of the most common ways of providing on-demand additional photoprotection to the skin. Ultrafast transient absorption spectroscopy has recently proven to be an invaluable tool in understanding how the components of commercial sunscreen
Baker, Lewis A.   +2 more
core   +1 more source

Gas chromatographic–mass spectrometric analysis of sunscreens and their effects on mice liver and kidney enzyme function

open access: yesClinical, Cosmetic and Investigational Dermatology, 2018
Laith N AL-Eitan,1,2 Hanan A Aljamal,1 Rami Q Alkhatib1,2 1Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan; 2Department of Biotechnology and Genetic Engineering, Jordan University of Science and
AL-Eitan L, Aljamal HA, Alkhatib RQ
doaj  

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