Results 31 to 40 of about 18,080 (213)

Síntese e caracterização de nanoemulsões poliméricas de goma xantana e goma arábica encapsulantes de óleo essencial de Eucalyptuscitriodora l.

open access: yesAmbiente, 2021
Nanoemulsões óleo em água são sistemas de administração de fármacos que consistem na formação de partículas anfipáticas para encapsulamento de moléculas oleosas.
Henety Nascimento Pinheiro   +2 more
doaj   +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

Auto-associação do colato de sódio (nac) em misturas com dodecilsulfato de sódio (sds) e poli(oxietileno) (peo) [PDF]

open access: yes, 2003
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Físicas e Matemáticas. Curso de Química.As propriedades de misturas de poli(oxietileno) (PEO) e colato de sódio (NaC) em solução tampão tris/HCl, pH 9,00, 25oC foram aqui ...
FELIPPE, Arlindo Cristiano
core  

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

Mesoporous aluminosilicates obtained using Triton X. - Synthesis, textural characterization and training scheme on different sizes micelles -

open access: yesACI Avances en Ciencias e Ingenierías, 2010
This work presents the preparation of mesoporous aluminum silicates from condensation of xerogel obtained from Tetraethyl orthosilicate (TEOS) and other aluminum precursos from various sources.
Alexis Hidrobo   +2 more
doaj   +1 more source

Propriedades físico-químicas de um surfactante gêmeo aniônico e de suas misturas binárias com surfactantes convencionais [PDF]

open access: yes, 2002
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Curso de Química.O surfactante do tipo dimérico ou gêmeo, di-n-decil-1,6-hexil bisfosfato dissOdico (10-6-10), foi preparado a partir da reação do ...
Mello, Carla Aparecida Dian de
core  

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

Use of Emulsions with Surfactant Solutions for Viscous Fluids Transportation

open access: yesRevista Cubana de Ingeniería, 2015
The needs for improving the fluidity of fluids is present in the industry, because of the expenses that it takes and its relation with the achievement of the consumers’ demand according to volumes required for its different uses.
Erich Martínez Martín   +2 more
doaj   +1 more source

Cambios radiológicos y en los índices de oxigenación de pacientes que recibieron tratamiento con surfactante para el manejo de SDRA en la UCIP del HUCSR [PDF]

open access: yes, 2013
El Síndrome de Dificultad Respiratorio Agudo (SDRA) se caracteriza por la presencia de edema pulmonar no cardiogénico debido a la alteración de la permeabilidad de la membrana capilar pulmonar, se presenta con insuficiencia respiratoria grave ...
Ardila Gómez, Iván José   +1 more
core  

TOXICIDAD DE HERBICIDAS PROMISORIOS PARA EL CONTROL DE Dieffenbachia oerstedii EN HIJOS DE BANANO

open access: yesAgronomía Mesoamericana, 2012
Entre los meses de agosto a diciembre del 2006, se evaluó la toxicidad potencial y el efecto sobre el crecimiento de hijos espada de banano, bajo seis tratamientos herbicidas para el control de sainillo: testigo absoluto (T1), carfentrazone + surfactante
Steven Brenes-Prendas   +1 more
doaj  

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