Results 1 to 10 of about 344 (145)

Optimization of the biosynthesis of silver nanoparticles using bacterial extracts and their antimicrobial potential [PDF]

open access: yesBiotechnology Reports, 2023
In the present study, silver nanoparticles (AgNPs) were biosynthesized using the supernatant and the intracellular extract of Cupriavidus necator, Bacillus megaterium, and Bacillus subtilis.
Iván Solís-Sandí   +5 more
doaj   +2 more sources

Nonirritant and Cytocompatible Tinospora cordifolia Nanoparticles for Topical Antioxidant Treatments [PDF]

open access: yesInternational Journal of Biomaterials, 2020
Tinospora cordifolia extract contains antioxidants such as polyphenols, and thus, it has been used as a natural phytochemical antioxidant therapeutic agent. Many of these compounds are insoluble or only partially soluble in water.
Jeimmy González-Masís   +8 more
doaj   +2 more sources

Colección poesía y cuento

open access: yesRevista Académica Arjé, 2022
Infancia   Abuelita, ¿qué jugabas cuando eras chiquita? Cajita forrada con tela floreada, recuerdos guardados, saca de un armario.
Laura Ramírez Sequeira
doaj   +1 more source

Parque de la Libertad, Pavas, San José, Costa Rica [PDF]

open access: yesRevistArquis, 2017
El parque Recreativo La Libertad de Pavas nace como un proyecto comunal universitario realizado para la Municipalidad de San José en el año 2013, ganador posteriormente del Primer Concurso “Espacios innovadores para la recreación y la convivencia ...
Luis Diego Alpízar Valverde   +1 more
doaj   +1 more source

De pandillas a mini-cárteles criollos: narcomenudeo y evolución de los grupos criminales de Pavas

open access: yesDiálogos, 2021
Mediante 67 entrevistas a residentes de Pavas, privados de libertad y autoridades policiales, y la consulta de material periodístico y estadísticas oficiales, los investigadores demuestran que la vinculación al narcomenudeo, por parte de los grupos ...
Sebastián Saborío   +1 more
doaj   +1 more source

Progress and recent novelties of Ingeniería e Investigación Journal

open access: yesIngeniería e Investigación, 2017
In previous editorial letters, data regarding the Journal positioning, visibility and management have been presented. Regarding positioning in citational databases, in Pavas (2015), a comparison among the results in databases like Scimago Journal Rank ...
Andres Pavas
doaj   +1 more source

Acerola (Malpighia spp.) Waste: A Sustainable Approach to Nutraceutical, Pharmaceutical, and Energy Applications

open access: yesRecycling, 2023
This study reviews the many uses for waste generated from acerola (Malpighia spp.) production, a tropical fruit renowned for its nutrient-rich content.
José Roberto Vega-Baudrit   +8 more
doaj   +1 more source

Histopathological and immunohistochemical investigation of primary avalvular varicose anomalies (PAVA) in a patient with primary varicose veins and PAVA

open access: yes, 2023
Background:Primary avalvular varicose anomalies (PAVA) are found in 4.6% patients with primary varicose veins and can be confused with neovascular tissue. These veins can be found in all compartments of the leg and are found more commonly in patients with pelvic venous reflux.
Mark Steven Whiteley   +4 more
openaire   +2 more sources

Program home visit Costa Rica's health system: guidelines for improvement

open access: yesEnfermería Actual de Costa Rica, 2015
Introduction. Home visit is the main strategy of primary care by bringing health services to the homes and workplaces of people, which allows knowing the needs of the population firsthand.
Katherine Solís Cordero   +1 more
doaj   +1 more source

Biofilms Functionalized Based on Bioactives and Nanoparticles with Fungistatic and Bacteriostatic Properties for Food Packing Uses

open access: yesBiology and Life Sciences Forum, 2023
The objective of this work was to formulate PVA films with the addition of modified phenols, chitosan, silver, or copper nanoparticles with fungistatic and bacteriostatic activity.
Gabriela Lluberas   +6 more
doaj   +1 more source

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