División de Nanociencias y Materiales: Envíos recientes
Mostrando ítems 101-120 de 595
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Propiedades ópticas de estructuras complejas basadas en una bioplantilla
(2021)"La presente tesis se centra en la fabricación de un tipo de bioplantilla basado en la morfología de Trichoderma atroviride. La caracterización morfológica permitió determinar tres regiones de diferente densidad de hifas ... -
Diseño in silico y síntesis de nanoestructuras con potencial antiviral contra SARS-CoV-2
(2021)"La actual pandemia causada por virus SARS-CoV-2 ha ocasionado una emergencia de salud pública siendo las personas más susceptibles aquéllas con factores de riesgo como la hipertensión, obesidad, diabetes o con antecedentes ... -
Mejorando el desempeño electroquímico de supercapacitores biodegradables utilizando titanato de magnesio, ferrita de bario magnética y grafeno
(2021-07-15)"En este trabajo se llevó a cabo la construcción de supercapacitores (SCs) a base de electrodos fabricados a partir de fibra de coco reciclada y recubiertos con hojuelas de grafeno como agente conductor de corriente. También ... -
Desarrollo de supercapacitores textiles utilizando ferrita de bario magnética, óxido de níquel y grafeno
(2021-07-06)"Al ser una sociedad que demanda inmensas cantidades de energía, es de suma importancia optimizar los procesos que esto implica. Si bien se han hecho esfuerzos por reducir la generación de electricidad mediante combustibles ... -
Auto-ensamblado de cristales líquidos en nano-gotas
(2021-06)"Existen fases intermedias entre el líquido y el sólido, son llamadas mesofases. Los materiales que presentan estas mesofases son conocidos como cristales líquidos (CLs), estos son capaces de auto-ensamblarse según las ... -
In-plane anisotropy in BSCCO superconducting tapes: Transport and magnetometric criteria
(Elsevier, 2020)"Here, the anisotropy between the longitudinal and transverse directions of multi-filamentary Bi2Sr2Ca2Cu3O10+x tapes ("in plane" anisotropy) is studied by transport and magnetization measurements. By minimally manipulating ... -
Furan and Pyran Functional Groups Driven the Surface of Nitrogen-Doped Nanofiber Sponges
(Wiley, 2020)"Highly surface oxidized, nitrogen?doped, and nitrogen functionalized carbon nanotube sponge (N?CFS) were produced at 1020?°C using two sprayers approach in an aerosol?assisted chemical vapor deposition (AACVD) experiment. ... -
Mechanosynthesis of metastable cubic delta-Ta1-xN
(Elsevier, 2020)"The formation of the cubic ?-Ta1?xN phase by high-energy ball-milling from tantalum and boron nitride (h-BN) is explored. Two different molar ratios Ta:BN, 1:1 and 2:1, were used. X-ray diffraction, scanning electron ... -
Analytical magnetostatic model for 2D arrays of interacting magnetic nanowires and nanotubes
(Royal Society of Chemistry, 2020)"A fully analytical model to describe the magnetostatic properties of these 2D nanocylinder arrays (tubes and wires) is presented. The model allows calculating the components of the effective demagnetizing field as a ... -
Understanding the electrochemistry of armchair graphene nanoribbons containing nitrogen and oxygen functional groups: DFT calculations
(Royal Society of Chemistry, 2020)"The surface and edge chemistry are vital points to assess a specific application of graphene and other carbon nanomaterials. Based on first-principles density functional theory, we investigate twenty-four chemical functional ... -
The effect of cooling rate on magnetothermal properties of Fe49Rh51
(Elsevier, 2020)"We have investigated the effects of quenching rate on the thermal dependence of the magnetic entropy change ?SM(T) and the magnetic field induced hysteresis loss through the antiferromagnetic (AFM)???ferromagnetic (FM) ... -
Robustness of the enhanced magnetic anisotropy in Ni nanowires regardless of the deposition potential
(Elsevier, 2020)"The effects of the deposition potential on the structural and magnetic properties of Ni nanowires with a diameter of 40 nm and lengths varying from 16 up to 56 pm have been studied. The results show that very long NWs ... -
Gold nanoparticle-mediated generation of reactive oxygen species during plasmonic photothermal therapy: a comparative study for different particle sizes, shapes, and surface conjugations
(Royal Society of Chemistry, 2020)"Gold nanoparticle (AuNP)-mediated photothermal therapy represents an alternative to the effective ablation of cancer cells. However, the photothermal response of AuNPs must be tailored to improve the therapeutic efficacy ... -
Superparamagnetic state in La0.7Sr0.3MnO3 thin films obtained by rf-sputtering
(Nature Publishing Group, 2020)"A novel superparamagnetic state has been observed in high quality La0.7Sr0.3MnO3 (LSMO) thin films directly grown by rf-sputtering on SiOx/Si(100) substrates. The films are nanostructured without grain boundaries, constituted ... -
Relation of the average interaction field with the coercive and interaction field distributions in First order reversal curve diagrams of nanowire arrays
(Nature Publishing Group, 2020)"First-order reversal curve diagrams, or FORC diagrams, have been studied to determine if the widths of their distributions along the interaction and coercivity axes can be related to the mean-field magnetization dependent ... -
Planar motion with Fresnel integrals as components of the velocity
(Sociedad Mexicana de Física, A.C., 2020)"We analyze the two-dimensional motion of a rigid body due to a constant torque generated by a force acting on the body parallel to the surface on which the body moves extending an old note of Ferris-Prabhu [Am. J. Phys. ... -
Biosynthesis of silver nanoparticles by Fusarium scirpi and its potential as antimicrobial agent against uropathogenic Escherichia coli biofilms
(Public Library of Science, 2020)"The ability of Uropathogenic Escherichia coli (UPEC) to form biofilms, can be considered an important factor that contributes to the prevalence of Urinary Tract Infections (UTIs) due to the inaccessibility of the antibiotics ... -
Multibranched gold nanoparticles coated with serum proteins fit for photothermal tumor ablation
(American Institute of Physics, 2020)"Photothermal tumor ablation might be carried out with multibranched gold nanoparticles (MBAuNPs) having maximum absorbance (A(max)) in the infrared region and functionalized with ligands that would bind them to the target ... -
Pyrrolic nitrogen-doped multiwall carbon nanotubes using ball-milled slag-SiC mixtures as a catalyst by aerosol assisted chemical vapor deposition
(IOP Publishing, 2020)"We demonstrated that the ball-milled slag-SiC mixture is an effective catalyst to grow pyrrolic nitrogen-doped multiwall carbon nanotubes (N-MWCNTs) by aerosol assisted chemical vapor deposition (AACVD) method. N-MWCNTs ... -
Magnetocaloric effect in ErNi2 melt-spun ribbons
(Elsevier, 2020)"ErNi2 ribbons were produced by rapid solidification using the melt spinning technique. Their structural, magnetic and magnetocaloric properties in the as-solidified state were studied by X-ray diffraction, scanning electron ...