Artículo en revista de investigación: Envíos recientes
Mostrando ítems 561-580 de 946
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Effect of Ag2S-BSA nanoparticle size on 3T3 fibroblast cell line cytotoxicity
(2020-05-04)Silver sulfide nanoparticles, smaller than 5 nm, are of great interest in the biomedical field due to their improved optical properties from the quantum confinement of charge carriers. The effect of silver sulfide nanoparticles ... -
Additive manufacturing of green composites: Poly (lactic acid) reinforced with keratin materials obtained from Angora rabbit hair
(2020-11-24)In this research, additive manufacturing of polylactic acid (PLA) reinforced with keratin was studied. Keratin was obtained from Angora rabbit hair and modified with NaOH. Scanning electron microscopy (SEM) images showed ... -
Seed-mediated synthesis and PEG coating of gold nanoparticles for controlling morphology and sizes
(2020-11-26)A significant area of research is biomedical applications of nanoparticles which involves efforts to control the physicochemical properties through simple and scalable processes. Gold nanoparticles have received considerable ... -
Antibacterial activity and in vitro cytotoxicity studies of Ag-doped CaO nanoparticles
(2021-01-15)CaO nanoparticles can be used in different fields, such as medical and food, some studies suggest that they have poor antimicrobial properties. In this work, CaO nanoparticles doped with different concentrations of Ag were ... -
The evaluation of conceptual design through dynamic simulation: A proposal based on TRIZ and system Dynamics
(2020-08-31)Conceptual design is a decisive stage in the new product development process and responsible for the originality and uniqueness of a product. Also, it is in this stage where technical feasibility becomes a critical issue ... -
Urban land cover type determines the sensitivity of carbon dioxide fluxes to precipitation in Phoenix, Arizona
(2020-02-12)Urbanization modifies land surface characteristics with consequent impacts on local energy, water, and carbon dioxide (CO2) fluxes. Despite the disproportionate impact of cities on CO2 emissions, few studies have directly ... -
Social-LCA. Methodological Proposal Applied to Physical Activity Program Implementation into Old People’s Routines
(2020-06-18)Progressive population aging and life expectancy increase in Spain, resulting from medical and social improvements, have put this population segment in a privileged position for the implementation of new methodologies ... -
Bioactivation of zirconia surface with laminin protein coating via plasma etching and chemical modification
(2020-08-18)Surface modification offers a promising alternative to provide bioactivity to implanted inert biomaterials, improving their integration and performance with living tissues. In this contribution, zirconia has been used as ... -
Estimación en la Intención de Agarres: Cilíndrico, Esférico y Gancho Utilizando Redes Neuronales Profundas
(2020-05-21)Upper extremities amputations can produce different disability degrees in the amputated person, this is acerbated even more, when it happens during active working life. So, for this reason, it is of social importance the ... -
Bio-inspired guidance method for a soft landing on a Near-Earth Asteroid
(2020-11-15)Achieving a soft landing over the surface of small celestial bodies is an essential maneuver in space to advance the status of space exploration, sample collecting and in-situ resource utilization, among other on-orbit ... -
Synergism in novel silver-copper/hydroxyapatite composites for increased antibacterial activity and biocompatibility
(2020-08-15)This study develops a novel silver-copper/hydroxyapatite composite (Ag–Cu/HA) with high biocompatibility and antibacterial activity. Two different materials were synthesized, namely silver-hydroxyapatite (Ag-HA) and ... -
Modelado y Control con Compensación de Fricción de un Sistema Pendubot
(2020-11-30)El pendubot es un sistema mecánico de dos grados de libertad considerado como un sistema subactuado debido a que solo cuenta con una entrada de control. Se han aplicado varias técnicas de control para balancear y estabilizar ... -
Lean Manufacturing Critical Success Factors for the Transportation Equipment Manufacturing Industry in Mexico
(2020-09-11)This research was carried out in the Mexican manufacturing industry, the second most important activity in the country's industrial sector, specifically in the transportation equipment manufacturing sub-sector, which ... -
Iron-Doped Lithium Tantalate Thin Films Deposited by Magnetron Sputtering: A Study of the Iron Role in the Structure and the Derived Magnetic Properties
(2020-01-19)Fe-doped LiTaO 3 thin films with a low and high Fe concentration (labeled as LTO: Fe-LC and LTO: Fe-HC, respectively) were deposited by magnetron sputtering from two home-made targets. The dopant directly influenced the ... -
Effect of the stoichiometry in La0.7(SrxCa0.3-x)MnO3 by x-ray photoelectron spectroscopy for hyperthermia applications
(2020-07-28)The use of physical properties in magnetic materials is a research area aiming to help overcome the biomaterial problems encountered in hyperthermia cancer treatment. A1-xBxMnO3 nanoparticle structures are one such ... -
Physicochemical, thermal, rheological and morphological characteristics of flour and starch from a non-conventional source: Cucurbita foetidissima Kunth roots
(2020-03-12)Starch is a biopolymer which demand has increased because of its multiple industrial applications. The present work was performed to characterize, both flour and starch obtained from Cucurbita foetidissima root as a ... -
Fibrosis and Hepatic regeneration mecanism
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Tuning Magnetic Entropy Change and Relative Cooling Power in La0.7Ca0.23Sr0.07MnO3 Electrospun Nanofibers
(2020-02-29)We present experimental evidence about the magnetocaloric tuning effect in one-dimensional nanostructure fibers mixed-valence manganite as synthesized by electrospinning techniques and under heat treatments of 973, 1073 ... -
Electrospinning: a promising technique for drug delivery systems
(2020-10-15)In the last years, electrospinning has become a technique of intense research to design and fabricate drug delivery systems (DDS), during this time a vast variety of DDS with mainly electrospun polymers and many different ... -
Cost-Effective Thermal-Insulating Building Materials
(2020-03-29)We report on the development of a formula for an adequate mix of aggregates to produce concrete blocks, which, while preserving high mechanical resistance, show good thermal insulation and reduced production costs. Three ...