Results 31 to 40 of about 30,071 (160)

Relaciones cuantitativas estructura-actividad/propiedad en dos dimensiones empleando el programa R

open access: yesEducación Química, 2019
  Las relaciones cuantitativas estructura-actividad (QSAR) y estructura-propiedad (QSPR) son modelos matemáticos aplicados a la predicción de actividades biológicas o propiedades de un grupo de compuestos.
Laura Dominguez Dueñas   +2 more
doaj   +1 more source

Adaptación al cambio y reflexiones. Legado de la pandemia

open access: yesEducación Química, 2020
Probablemente, nadie se imaginó sobre la verdadera magnitud de la pandemia.  En diciembre de 2019, se escucharon noticias sobre el brote de un virus proveniente de China.
David Salgado Chavarría   +1 more
doaj   +1 more source

Photochemical and Photobiological Activity of Zn, Cu, Ni, Co, Fe and Mn Unsubstituted Phthalocyanines

open access: yesChemistry Proceedings, 2023
Phthalocyanines are a group of porphyrin synthetic molecules. These compounds show outstanding photodynamic properties. This is due to their high ability to photogenerate free radicals, such as 1O2 and O.−2.
Franklin Vargas   +4 more
doaj   +1 more source

Conformational changes produced by ATP binding to the plasma membrane calcium pump [PDF]

open access: yes, 2013
The aim of this work was to study the plasma membrane calcium pump (PMCA) reaction cycle by characterizing conformational changes associated with calcium, ATP, and vanadate binding to purified PMCA.
Ferreira Gomes, Mariela S.   +5 more
core   +1 more source

Propiedades fisicoquímicas y de procesamiento de la pulpa de coco (Acrocomia aculeata) para su aplicación como ingrediente en un producto alimenticio

open access: yesInvestigación Agraria, 2018
Los productos que se obtienen a partir de los frutos del cocotero (Acrocomia aculeata) son varios. Sin embargo la pulpa se utiliza en menor proporción debido a la elevada acidez de su aceite y su alto contenido graso que dificulta su
Victoria Viviana Valdovinos Aguilera   +3 more
doaj   +1 more source

Baricitinib Lipid-Based Nanosystems as a Topical Alternative for Atopic Dermatitis Treatment

open access: yesPharmaceuticals, 2023
Atopic dermatitis (AD) is a chronic autoimmune inflammatory skin disorder which causes a significant clinical problem due to its prevalence. The ongoing treatment for AD is aimed at improving the patient’s quality of life.
Núria Garrós   +8 more
doaj   +1 more source

Kinetics of extracellular ATP in mastoparan 7-activated human erythrocytes [PDF]

open access: yes, 2013
Background: The peptide mastoparan 7 (MST7) stimulated ATP release in human erythrocytes. We explored intraand extracellular processes governing the time-dependent accumulation of extracellular ATP (i.e., ATPe kinetics).
Espelt, Maria Victoria   +6 more
core   +3 more sources

Insights into the equilibrium structure and translocation mechanism of TP1, a spontaneous membrane-translocating peptide

open access: yesScientific Reports, 2022
Crossing the cellular membrane is one of the main barriers during drug discovery; many potential drugs are rejected for their inability to integrate into the intracell fluid.
Diego Muñoz-Gacitúa   +2 more
doaj   +1 more source

Synergetic Combination of Carbon Xerogels, Graphene Oxide and nano‐ZnO for Aqueous and Organic Supercapacitors

open access: yesBatteries &Supercaps, Volume 8, Issue 3, March 2025.
This work proposes the synthesis of carbon‐based nanostructured materials obtained using ZnO as both nanos‐ template and catalysts simultaneously. During the synthesis, GO was used as a stabiliser, preventing the collapse of the 3D structure and improving its properties in terms of capacitance and surface area.
Rusbel Coneo‐Rodríguez   +5 more
wiley   +1 more source

Distribución espacial y temporal de las especies de diatomeas epilíticas del río Apatlaco, Morelos (México)

open access: yesLilloa
Las diatomeas desempeñan un papel esencial en los ecosistemas acuáticos al contribuir significativamente a la producción primaria global. Su alta sensibilidad a las condiciones fisicoquímicas del agua las convierte en bioindicadores de cambios ...
Adrián Rojas-Romero   +5 more
doaj   +1 more source

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