Results 91 to 100 of about 394 (203)

Compreensões de profissionais da educação profissional sobre Ciência-Tecnologia-Sociedade-Ambiente: etapa preliminar de uma atividade formativa em Mato Grosso [PDF]

open access: yes, 2021
Este trabalho apresenta informações e análise de resultados sobre a etapa preliminar a uma atividade formativa com profissionais da rede estadual de educação profissional de Mato Grosso.
Aoyama Barbosa Souza, Leila Cristina
core   +1 more source

High‐Speed Raman Readout of Single Polypeptides via Plasmonic Nanopores

open access: yesAdvanced Materials, EarlyView.
A label‐free method is presented for single‐protein investigation using plasmonic nanopores that enable stable, cost‐effective Raman detection of polypeptides in real time. An average of 6 photons is measured during a dwell time of 7 microseconds per amino acid.
Foroogh Khozeymeh Sarbishe   +11 more
wiley   +1 more source

El uso de los códigos QR: una herramienta alternativa en la tecnologí­a educacional [PDF]

open access: yes, 2018
En esta investigación se expone que la facilidad de acceso, adaptabilidad, bajos costos y corto tiempo de implementación den la pauta para el uso de los códigos QR (Quick Response) como una herramienta que vincule el uso de la tecnologí­a al proceso de ...
Cueva Estrada, Jorge   +2 more
core  

Biomimetic Cell Membrane‐Coated Scaffolds for Enhanced Tissue Regeneration

open access: yesAdvanced Materials, EarlyView.
This review examines the development and use of cell membrane‐coated scaffolds in tissue engineering. Bioinspired phospholipid and glycocalyx coatings enhance anti‐fouling, anti‐thrombogenic, and selective molecular recognition properties. Native cell membrane coatings further support cell‐specific interactions, immune modulation, and reduced bacterial
Carmen Alvarez‐Lorenzo   +5 more
wiley   +1 more source

Los productores agrí­colas bonaerenses y las condiciones de acceso a la maquinaria en los inicios de la expansión agroexportadora argentina (1895-1904)

open access: yesMundo Agrario, 2016
La notable expansión agrí­cola bonaerense que se desarrolló hacia fines del siglo XIX requirió de la puesta en uso de crecientes volúmenes de maquinaria.
Pablo Volkind
doaj  

DM Quito – Ecuador - Smart City para el 2022 [PDF]

open access: yes, 2017
Hacer de Quito una ciudad digital es la estrategia que impulsa el Municipio del Distrito Metropolitano de Quito, este artí­culo presenta los avances que se realizan en la capital del Ecuador con respecto al acceso, convivencia e innovación tecnológica ...
Aguilar Viteri, Andrés Esteban   +2 more
core  

Polystyrene Nanoplastic‐Mercury Complexes Detection by Electrolyte‐Gated Carbon Nanotube Field‐Effect Transistor‐Based Sensors

open access: yesAdvanced Materials Interfaces, EarlyView.
An electrolyte‐gated field effect transistor sensor is used to detect an environmentally relevant nanoplastic model. The sensor identifies the presence of polystyrene nanoplastics in water dispersions without significantly altering its performance in the presence of mercury on the nanoplastics’ surface, indicating that it may be utilized in ...
Giulia Elli   +6 more
wiley   +1 more source

Percepción de los estudiantes en relación al uso de la realidad aumentada en los procesos pedagógicos [PDF]

open access: yes, 2017
La Realidad Aumentada está considerada como una de las tecnologí­as emergentes más prometedoras en los actuales momentos. Por lo tanto se hace necesario profundizar en  investigaciones para medir el impacto en los procesos pedagógicos.
Gavilanes, Wilma Lorena
core  

How Real‐Time Kinetics Explain the Different Interaction of Cubosomes and Hexosomes Nanoparticles with Lipid Membranes

open access: yesAdvanced Materials Interfaces, EarlyView.
GMO cubosomes and DOPE hexosomes interact differently with lipid membranes: cubosomes exchange lipid molecules with the membranes, destabilizing them when the membranes do not contain cholesterol. Hexosomes interact more gently with membranes and tend to fuse and incorporate into them.
Mario Campana   +4 more
wiley   +1 more source

Real‐Time Temperature Monitoring with Cr3+‐Based Hybrid Formate Perovskites: Insights into the Relation Between Chemical Composition and Thermometric Performance

open access: yesAdvanced Optical Materials, EarlyView.
Metal–organic frameworks with perovskite‐like structures show promising temperature‐dependent luminescence for thermometry. Our study explores [DMA]MII1‐xCrx(HCOO)3 compounds, revealing their potential for remote and time‐resolved temperature sensing.
Adam Kabański   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy