Results 41 to 50 of about 229,247 (195)

Efecto de las modificaciones con ácido acético e hidróxido de calcio sobre las propiedades funcionales y reológicas del almidón de ñame (Dioscorea esculenta l.)

open access: yesTecnoLógicas, 2023
Las propiedades funcionales del almidón nativo tienen limitantes en sus propiedades tecnológicas. El almidón, al ser modificado, puede corregir estos problemas y, por lo tanto, mejorar sus propiedades para uso agroindustrial.
Carolina Agudelo-Zamudio   +3 more
doaj   +1 more source

Ketamine effect on intracellular and mitochondrial calcium mobilization [PDF]

open access: yes, 2016
The suppressive effects of ketamine on intracellular calcium has been reported in a variety of cells although the mechanisms involved are not well understood.
Bustamante, Jaunita   +2 more
core  

MagPiezo: A Magnetogenetic Platform for Remote Activation of Endogenous Piezo1 Channels in Endothelial Cells

open access: yesAdvanced Functional Materials, EarlyView.
MagPiezo enables wireless activation of endogenous Piezo1 channels without genetic modification using 19 nm magnetic nanoparticles and low‐intensity magnetic fields. It generates torque forces at the piconewton scale to trigger mechanotransduction in endothelial cells, standing as a novel platform to interrogate and manipulate Piezo1 activity in vitro.
Susel Del Sol‐Fernández   +7 more
wiley   +1 more source

Electrochemical immunosensor modified with carbon nanofibers coupled to a paper platform for the determination of gliadins in food samples [PDF]

open access: yes, 2019
The gluten-free diet is a unique, effective treatment for different conditions related to gluten consumption. Therefore, it is crucial the availability of new methodologies for the sensitive and specific determination of gluten content in food samples ...
Bertolino, Franco Adrián   +4 more
core   +1 more source

A Mussel‐Inspired Bioadhesive Patch to Selectively Kill Glioblastoma Cells

open access: yesAdvanced Science, EarlyView.
An innovative mussel‐inspired bioadhesive patch has been developed for post‐surgical glioblastoma treatment. The patch, which adheres strongly in biological environments, releases a localized treatment. This treatment, acting via reactive oxygen species, shows specific toxicity to glioblastoma cells.
Jose Bolaños‐Cardet   +5 more
wiley   +1 more source

Alterações clínicas e laboratoriais anteriores ao desenvolvimento do delirium tremens Clinical and laboratorial alterations previous at the delirium tremens

open access: yesArquivos de Neuro-Psiquiatria, 1997
Duzentos e trinta pacientes alcoolistas crônicos do sexo masculino internados em hospital psiquiátrico para tratamento do alcoolismo foram examinados clínica e laboratorialmente dentro das primeiras 24 horas da internação.
Paulo Borini, Cleuza Olivatto da Silva
doaj   +1 more source

S-nitrosylation of NF-kB p65 inhibits TSH-induced Na+/I- symporter expression [PDF]

open access: yes, 2015
Nitric oxide (NO) is a ubiquitous signaling molecule involved in a wide variety of cellular physiological processes. In thyroid cells, NO-synthase III-endogenously produced NO reduces thyrotropin (TSH)-stimulated thyroid specific gene expression ...
Bocco, Jose Luis   +8 more
core   +3 more sources

Las controversias sociocientíficas en los contenidos de enseñanza de la química cosmética

open access: yesPraxis & Saber, 2016
Este artículo presenta los resultados de una investigación desarrollada desde la Universidad Pedagógica Nacional de Bogotá, entre el año 2014 y el 2015, la cual evaluó en el contexto actual colombiano, el contenido curricular de la asignatura Química ...
Diana Lineth Parga Lozano   +1 more
doaj   +1 more source

An Idea to Explore: From How to Why: Using Evolutionary Biochemistry to Inspire Biochemistry Education

open access: yesBiochemistry and Molecular Biology Education, EarlyView.
ABSTRACT Traditional biochemistry instruction often emphasizes mechanistic detail, that is, how molecules and pathways function, without equally addressing why they have their present forms. This fact‐centered approach can leave students overwhelmed and disconnected from the broader scientific narrative.
Alberto Vázquez‐Salazar
wiley   +1 more source

Un C-glicósido en cuatro especies de Arachis

open access: yesLilloa, 1970
Se detectó un C-glicósido de flavona en cuatro especies del género Arachis. Debido a la distribución limitada de estos compuestos entre grupos diferentes y definidos de taxones, se ha demostrado en varios casos su importancia como marcadores ...
Peter Seeligmann
doaj  

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