Results 1 to 10 of about 218,625 (178)

Plasminogen activator activity in tears of pregnant women. [PDF]

open access: yesPLoS ONE, 2017
Plasminogen activator activity (PAA) in tears of pregnant women was investigated at various gestation times to assess the availability of plasminogen activator for aiding potential corneal wound healing processes during pregnancy.PAA was measured by a ...
Adrienne Csutak   +5 more
doaj   +6 more sources

Viscosity characteristics compositions based on PAA, PVS and NA-CMS [PDF]

open access: yesE3S Web of Conferences, 2023
The influence of the composition and method of preparation of gelatinized starch compositions on their relative viscosity is studied. The activation energy of the viscous flow of gelatinized starch and developed formulations was determined. The change in
Amonov Muxtar   +3 more
doaj   +1 more source

Preparation of poly(acrylic acid)/tricalcium phosphate nanoparticles scaffold: Characterization and releasing UC-MSCs derived exosomes for bone differentiation [PDF]

open access: yesBioImpacts, 2023
Introduction: This study focused on preparing a multiscale three-dimensional (3D) scaffold using tricalcium phosphate nanoparticles (triCaPNPs) in a substrate of poly(acrylic acid) (PAA) polymer for controlled release of exosomes in bone tissue ...
Nahid Moradi   +4 more
doaj   +1 more source

Las pruebas liberadas: una herramienta formativa para el ingreso a la educación superior

open access: yesRevista Franz Tamayo, 2023
La finalidad de esta investigación era llevar a cabo un análisis comparativo de las diferentes pruebas utilizadas en los países latinoamericanos para acceder a la educación superior.
Patricia Vargas Hernández
doaj   +1 more source

Synthesis of cross-linked poly(acrylic acid) nanogels in an aqueous environment using precipitation polymerization: unusually high volume change [PDF]

open access: yesRoyal Society Open Science, 2019
For the first time, by using precipitation polymerization in an aqueous solution, a cross-linked poly(acrylic acid)—(pAA) nanogel was synthesized.
Marcin Mackiewicz   +2 more
doaj   +1 more source

Desafíos y respuestas en la coordinación de políticas alimentarias en Brasil durante la pandemia de COVID-19

open access: yesRevista de Estudios Sociales, 2021
In Brazil, the National School Feeding Program (PNAE) and the Food Acquisition Program (PAA) are government procurement policies aimed at guaranteeing food security for family farmers and students.
Silvia Aparecida Zimmermann   +2 more
doaj   +1 more source

Evaluation of Antibacterial Activity in Nanoparticles Ointment Preparation using Ethanol Extract of Miana Leaves (Coleus Atropurpureus (L.) Benth) [PDF]

open access: yesNanomedicine Research Journal, 2019
Objective(s): Compared the nanoparticles form of Miana leaves with its extracts, even in single state or ointment preparation. Hence, SPSS program using Paired T Test is obtained to know the differences between them.
Tria Prayoga
doaj   +1 more source

Research progress in electrochemical properties of lithium batteries with PAA binders

open access: yesCailiao gongcheng, 2021
Electrode binder is an essential part to maintain the integrity of electrode, and it is very important to improve the specific capacity and cycle stability of the battery.
LIU Meng-ru   +3 more
doaj   +1 more source

Entre comer à vontade e a vontade de comer: o estado da arte sobre soberania e segurança alimentar e nutricional no Brasil

open access: yesDesenvolvimento e Meio Ambiente, 2023
O artigo objetiva identificar as principais discussões a respeito da Soberania e Segurança Alimentar e Nutricional (SSAN) de modo amplo e em publicações jurídicas, contemplando a multidisciplinaridade da temática e possíveis lacunas de pesquisa.
Hayanne Rodrigues Carniello Cavalcante   +3 more
doaj   +1 more source

The Combination of Carbon Source and the Addition of Phenylacetic Acid (PAA) to Growth Medium Penicillium chrysogenum to Enhance of Penicillin (Pen G) Production

open access: yesJurnal Kimia Sains dan Aplikasi, 2020
The nutrition factor governs the growth and production of Penicillin G (Pen G) by Penicillium chrysogenum in a broth medium. Proper nutrition can improve Pen G antibiotic production.
Martha Sari   +4 more
doaj   +1 more source

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