Results 41 to 50 of about 11,955 (155)
Na presente investigação, analisamos as abordagens sobre a nanotecnologia e a nanociência em edições recentes de livros didáticos de Física, do nível médio da educação brasileira.
Paulo N. Lisboa-Filho, Maria A. Monteiro
doaj
Derecho y nanotecnología: definiendo lo invisible
El presente trabajo constituye una aproximación a la nanotecnología desde el punto de vista jurídico; se presentan y analizan diferentes definiciones de nanomaterial acogidas –especialmente de la Unión Europea y la Organización Internacional de ...
Ricardo Santana Cabello +1 more
doaj +1 more source
Photovoltaic Effect in a III‐IV‐V Compound Semiconductor
A large reduction of the GaAs band gap is obtained with incorporation of 6.5% Ge during epitaxy without introducing extended defects or composition inhomogeneity. Heterojunction solar cell devices were fabricated with 0.76‐V open circuit voltage and an internal quantum efficiency above 40% at energies below the bandgap of the GaAs emitter.
José M. Ripalda +13 more
wiley +1 more source
Innovación docente: la enseñanza de la Nanotecnología a través de MOOCs y comunidades on-line [PDF]
El proyecto innovador liderado por el Laboratorio de Nanotecnología Molecular del Dpto. Química Inorgánica de la UA persigue la creación y actualización de una plataforma a nivel internacional para la formación en nanotecnología y el análisis de su ...
Barceló Gisbert, Irene +10 more
core +1 more source
Hydrodynamic assisted multiparametric particle spectrometry
The real-time analysis of single analytes in flow is becoming increasingly relevant in cell biology. In this work, we theoretically predict and experimentally demonstrate hydrodynamic focusing with hollow nanomechanical resonators by using an ...
Alberto Martín-Pérez +6 more
doaj +1 more source
Liquid‐Processed 2D Aromatic Amorphous Carbon: Defect Engineering and Universal Transport Scaling
Liquid‐processed graphene oxide (GO) thin films undergo a controllable crystalline–to–amorphous transition driven by thermal quenching. By kinetically tuning oxygen‐driven defect formation during reduction, scalable 2D aromatic amorphous carbon phases are stabilized, directly linking nanoscale disorder and defect topology to electronic transport ...
Fabiola Liscio +22 more
wiley +1 more source
TECHNOLOGY MAPPING TO FOOD PRODUCTION APPLIED NANOTECHNOLOGY
A nanotecnologia surgiu como alternativa para melhoria dos produtos alimentícios, permitindo mudanças que alteram a forma de produção, de processamento e consumo dos alimentos.
Bruno Ramos Eloy +4 more
doaj
El principio de precaución ante los posibles riesgos de la nanotecnología y sus derivados
En el presente texto se expone qué es el principio de precaución, así como la discusión en torno a porqué usarlo en el caso de la regulación y gestión de los productos de la nanotecnología.
Laura Saldívar Tanaka
doaj +1 more source
Covalent Functionalization of NiFe Layered Double Hydroxides using Tris(Hydroxymethyl)Aminomethane
Covalent functionalization of NiFe layered double hydroxides with tris(hydroxymethyl)aminomethane enables controlled growth, enhanced structural order, and improved processability. Temporary TRIS anchoring promotes stable water‐based inks and binder‐free electrode fabrication, leading to enhanced oxygen evolution activity and long‐term stability under ...
Alvaro Seijas Da Silva +8 more
wiley +1 more source
ABSTRACT The pejerrey (Odontesthes bonariensis) is a key species for recreational and commercial fisheries in Argentina and holds significant aquaculture potential. It has been introduced to various countries worldwide, including Japan, where intensive aquaculture has developed.
Aarón Torres‐Martínez +4 more
wiley +1 more source

