Results 21 to 30 of about 284 (90)

Complexos de níquel com ligante β-diimina heterogeneizados em argilas quimicamente modificadas : aplicação em reações de oligomerização de eteno [PDF]

open access: yes, 2020
A partir de estratégias de modificação química variadas, em que foram avaliados parâmetros de síntese como quantidade de água na síntese e o uso de uma amina neutra como co-surfactante, foram sintetizadas diferentes argilas porosas com propriedades ...
Nicola, Bruna Pes
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A review of skin microbiome and new challenges to cosmetic microbiome‐friendly formulations

open access: yesInternational Journal of Cosmetic Science, EarlyView.
Microbiome‐friendly concepts offer new perspectives for a healthy relationship between cosmetic use and the skin microbiome, especially the interaction of non‐biotic cosmetic ingredients with the skin, requiring further studies to clarify the dynamics between the skin microbiome and different classes of cosmetic ingredients.
Yasmin Rosa Santos   +3 more
wiley   +1 more source

Comparing of Nutritional and Environmental Aspects of Soilless and Nonchemical Farming Food Production Systems

open access: yesJournal of Sustainable Agriculture and Environment, Volume 4, Issue 2, June 2025.
ABSTRACT Plant factory with artificial light (PFAL) technology is a soilless cultivation system designed to optimize plant growth, productivity, and product quality while ensuring the efficient use of water and fertilizers. In contrast, nonchemical farming (N‐CF) focuses on using natural materials and intentionally avoids synthetic fertilizers ...
Wannaporn Hatongkham   +2 more
wiley   +1 more source

Nanotecnología de aplicación en patología cardiovascular [PDF]

open access: yes, 2019
Actualmente, las enfermedades cardiovasculares ocupan los puestos más elevados en las principales causas de muerte en países desarrollados , con un gran incremento en los últimos años.
Calzadilla Méndez, Beatriz
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Kutane Metastasen: Von der Epidemiologie bis zur Therapie

open access: yesJDDG: Journal der Deutschen Dermatologischen Gesellschaft, Volume 22, Issue 7, Page 974-994, July 2024.
Zusammenfassung Kutane Metastasen treten bei bis zu 10% aller onkologischer Patienten auf, wobei diese abhängig von der Entität an verschiedenen Lokalisationen vorkommen können. Oftmals gehen Hautmetastasen mit einer großen psychischen Belastung einher und sind insbesondere bei Exulzeration für die betroffenen Personen mit Scham und sozialem Rückzug ...
Martin Gschnell   +3 more
wiley   +1 more source

Mild but effective skin cleansing—Evaluation of laureth‐23 as a primary surfactant

open access: yesInternational Journal of Cosmetic Science, Volume 46, Issue 3, Page 403-413, June 2024.
In this study, different surfactant combinations with laureth‐23 as a primary surfactant were compared regarding their skin compatibility as well as their cleansing performance. A superior surfactant combination was found. These findings provide an interesting base for further developments in the field of mild but effective skin cleansing.
Anja Dick   +2 more
wiley   +1 more source

Formulación y evaluación de ketoprofeno cargado de nanogel de quitosán para el manejo del dolor: estudio ex vivo e in vivo [PDF]

open access: yes, 2019
Purpose: The purpose of this study was to develop and evaluate nanoemulsion-based gel (nanogel) for transdermal delivery of ketoprofen. Among the various excipients tested, oleic acid, tween 80 and ethanol were selected as oil, surfactant, and co ...
Ambekar, Wahid   +2 more
core   +4 more sources

Reações em microemulsões: desidrocloração do ddt e derivados [PDF]

open access: yes, 1986
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Curso de Pós-Graduação em Físico ...

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Análise bibliométrica do processo de produção de biodiesel pelo método de transesterificação [PDF]

open access: yes, 2023
Fossil fuels are exhaustible sources of energy. Furthermore, they are fuels with a great polluting potential, which has provoked discussions about biofuels and, mainly, biodiesel.
Santana, Bruna Rafaela Andrade de
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Production of simple and double emulsions using different composition of aqueous phases [PDF]

open access: yes, 2020
Orientadores: Rosiane Lopes da Cunha, Andresa Gomes BrunassiDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia de AlimentosResumo: As emulsões água em óleo em água (A1/O/A2) são sistemas multicomponentes estabilizados por
Chevalier, Raquel Costa, 1993-
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