Results 11 to 20 of about 257,507 (151)

Lecithins from Vegetable, Land, and Marine Animal Sources and Their Potential Applications for Cosmetic, Food, and Pharmaceutical Sectors

Cosmetics, 2020
The aim of this work was to review the reported information about the phospholipid composition of lecithins derived from several natural sources (lipids of plant, animal, and marine origin) and describe their main applications for the cosmetic, food, and
Maria J. Alhajj, Nicolle Montero, Cristhian J. Yarce, Constain H. Salamanca   +3 more
doaj   +1 more source

Rabbit Ear Membranes as an Interesting Alternative for Permeability Tests in the Preformulation Stages of Cosmetic Products

Cosmetics, 2020
In the pre-formulation stages of cosmetic products, in vitro permeability tests correspond to an important alternative for making better decisions regarding the stability, performance and biocompatibility of these products. Moreover, these tests allow us
Estefania Benavides, Sara Manjarres, Constain H. Salamanca, Alvaro Barrera-Ocampo   +3 more
doaj   +1 more source

El rol de la función de transferencia de contraste en la formación de imágenes de resolución atómica de nanopartículas

Mundo Nano, 2020
Los resultados de microscopia electrónica de transmisión de alta resolución pueden ser cuantitativamente interpretados si se realizan los ajustes necesarios de la óptica-electrónica del instrumento para la adquisición de las imágenes de resolución ...
Carlos Angeles Chávez
doaj   +1 more source

Development of Antioxidant-Loaded Nanoliposomes Employing Lecithins with Different Purity Grades

Molecules, 2020
This work focused on comparing the ability of lecithins with two purity grades regarding their performance in the development of nanoliposomes, as well as their ability to contain and release polar (trans-aconitic acid) and non-polar (quercetin ...
Cristhian J. Yarce, Maria J. Alhajj, Julieth D. Sanchez, Jose Oñate-Garzón, Constain H. Salamanca   +4 more
doaj   +1 more source

Envenomation caused by the bite of the snake Bothriechis schlegelii. Report of two cases in Colombia

Case Reports, 2017
The bite by snakes of the Bothriechis genus is common in certain areas of Colombia such as the Coffee-growing Region. Due to their arboreal habits and defensiveness, these snakes usually bite farmers in their upper limbs and face.
Mario Galofre Ruiz
doaj   +1 more source

A Randomized Pilot Trial to Evaluate the Bioavailability of Natural versus Synthetic Vitamin B Complexes in Healthy Humans and Their Effects on Homocysteine, Oxidative Stress, and Antioxidant Levels

Oxidative Medicine and Cellular Longevity, Volume 2019, Issue 1, 2019., 2019
The vitamin B complex comprises 8 different water‐soluble constituents that humans must sequester from the diet. This pilot study compared natural versus synthetic vitamin B complexes for their bioavailability, accumulation, and their impact on antioxidants, homocysteine levels, and oxidative stress.
Meinrad Lindschinger, Franz Tatzber, Wolfgang Schimetta, Irene Schmid, Barbara Lindschinger, Gerhard Cvirn, Olaf Stanger, Eugenia Lamont, Willibald Wonisch, Franco J L   +9 more
wiley   +1 more source

An Evaluation of the Physicochemical Properties of Stabilized Oil-In-Water Emulsions Using Different Cationic Surfactant Blends for Potential Use in the Cosmetic Industry

Cosmetics, 2019
One of the most complex problems in hair care formulations is the duality of the surfactants used. In this regard, such surfactants must be cationic so as to interact with the negatively charged cuticle surface of hair.
Pamela Agredo, Maria C. Rave, Juan D. Echeverri, Daniela Romero, Constain H. Salamanca   +4 more
doaj   +1 more source

Flourensia cernua: Hexane Extracts a Very Active Mycobactericidal Fraction from an Inactive Leaf Decoction against Pansensitive and Panresistant Mycobacterium tuberculosis

Evidence-Based Complementary and Alternative Medicine, Volume 2011, Issue 1, 2011., 2011
The efficacy of decoction in extracting mycobactericidal compounds from Flourensia cernua (Hojasé) leaves and fractionation with solvents having ascending polarity was compared with that of (i) ethanol extraction by still maceration, extraction with a Soxhlet device, shake‐assisted maceration, or ultrasound‐assisted maceration, followed by ...
Gloria María Molina-Salinas, Luis Manuel Peña-Rodríguez, Benito David Mata-Cárdenas, Fabiola Escalante-Erosa, Silvia González-Hernández, Víctor Manuel Torres de la Cruz, Herminia Guadalupe Martínez-Rodríguez, Salvador Said-Fernández   +7 more
wiley   +1 more source

Decrease of Antimicrobial Resistance through Polyelectrolyte-Coated Nanoliposomes Loaded with β-Lactam Drug

Pharmaceuticals, 2018
Currently, one of the greatest health challenges worldwide is the resistance to antibiotic drugs, which has led to the pursuit of new alternatives for the recovery of biological activity, where the use of different types of nano-systems has shown an ...
Lina M. Arévalo, Cristhian J. Yarce, José Oñate-Garzón, Constain H. Salamanca   +3 more
doaj   +1 more source

Productos botánicos y microbiales para el manejo de plagas: Potencial y limitaciones

AIA Avances en Investigación Agropecuaria, 2022
Introducción. Los productos botánicos y microbiales representan una opción amigable al ambiente para el manejo de plagas, debido a los efectos adversos que ocasionan los plaguicidas químicos (Montejo-Canul et al., 2019; Nexticapan-Garcéz et al., 2021 ...
Esaú Ruiz-Sánchez
doaj   +1 more source