Repositorio IPICyT: Envíos recientes
Mostrando ítems 241-260 de 2293
-
El desarrollo de la Física en San Luis Potosí Parte 2: de la fundación de la Escuela e Instituto de Física a la actualidad
(Sociedad Mexicana de Física, 2020) -
New World Cactaceae Plants Harbor Diverse Geminiviruses
(MDPI, 2021)"The family Cactaceae comprises a diverse group of typically succulent plants that are native to the American continent but have been introduced to nearly all other continents, predominantly for ornamental purposes. Despite ... -
Identification of the Begomoviruses Squash Leaf Curl Virus and Watermelon Chlorotic Stunt Virus in Various Plant Samples in North America
(MDPI, 2021)"Geminiviruses are a group of plant-infecting viruses with single-stranded DNA genomes. Within this family, viruses in the genus Begomovirus are known to have a worldwide distribution causing a range of severe diseases in ... -
Identification of the Dominant Factors in Groundwater Recharge Process, Using Multivariate Statistical Approaches in a Semi-Arid Region
(MDPI, 2021)"Identifying contributing factors of potential recharge zones is essential for sustainable groundwater resources management in arid regions. In this study, a data matrix with 66 observations of climatic, hydrogeological, ... -
Molecular ruler mechanism and interfacial catalysis of the integral membrane acyltransferase PatA
(AAAS, 2021)"Glycolipids are prominent components of bacterial membranes that play critical roles not only in maintaining the structural integrity of the cell but also in modulating host-pathogen interactions. PatA is an essential ... -
First-principles study of Mn3adsorbed on Au(111) and Cu(111) surfaces
(Royal Society of Chemistry, 2021)"A theoretical study of the Mn trimer adsorbed on the noble metal surfaces Au(111) and Cu(111) is reported. The calculations were performed using first-principles methods within the density functional theory and the ... -
Nitrogen–phosphorus doped graphitic nano onion-like structures: experimental and theoretical studies
(Royal Society of Chemistry, 2021)"Onion-like graphitic structures are of great importance in different fields. Pentagons, heptagons, and octagons are essential features of onion-like graphitic structures that could generate important properties for diverse ... -
Effect of silicon dots into coconut fibers on the nucleating capacity of β-crystals of polypropylene
(Universidad Autónoma Metropolitana, 2021)"Three concentrations of sodium hydroxide (3, 5, and 7% based on a composition by weight) and 2 reaction times (1 and 4 h) were used to treat coconut fiber. According to the results, the inclusion of treated fiber in polymer ... -
Control of the asymmetric growth of nanowire arrays with gradient profiles
(Royal Society of Chemistry, 2021)"A novel electrochemical methodology for the growth of arrays of Ni and Co nanowires (NWs) with linear and non-linear varying micro-height gradient profiles (?HGPs), has been developed. The growth mechanism of these ... -
El desarrollo de la Física en San Luis Potosí Parte I: de la época colonial a la institucionalización de la física
(Sociedad Mexicana de Física, 2020) -
Agave salmiana syrup improves the production of recombinant human interleukin-2 in Escherichia coli
(Universidad Autónoma Metropolitana, 2021)"The expression of heterologous proteins in Escherichia coli is strongly affected by the type of carbon source used. In this work, the expression of a synthetic codon-optimized gene of human interleukin-2 in E. coli BL21-SI, ... -
Magnetic properties of fe1 / crn nanoinclusions in fe
(Sociedad Mexicana de Física, A. C., 2002)"The magnetic properties of Fe1/CrN inclusions in a Fe matrix are calculated as a function of the Cr number of atoms N at zero temperature, and for N ? 168. The electronic structure is determined by using a realistic ... -
Magnetic properties of Fe nanoclusters: ab initio calculations of FeN N = 9,15, 27, 51, and 59
(Sociedad Mexicana de Física, A. C., 2006)"The magnetic properties of iron clusters (FeN, N = 9, 15, 27, 51, and 59 atoms) at T = 0 K with bcc–like structure and bulk parameters are studied using ab initio methods. In these studies we consider the spin–orbit ... -
Factorization method for some inhomogeneous Lienard equations
(Sociedad Mexicana de Física, A. C., 2021)"The factorization of inhomogeneous Li\'enard equations is performed showing that through the factorization conditions involved in the method one can obtain forcing terms for which closed-form solutions exist. Because of ... -
Insights into Equilibrium and Adsorption Rate of Phenol on Activated Carbon Pellets Derived from Cigarette Butts
(MDPI, 2021)"In the present work, the preparation of activated carbon pellets from cigarette butts by thermal treatment was evaluated. The morphological, textural, topological, and surface chemical properties were studied by SEM-EDX, ... -
Spatio-Temporal Distribution of Deep Convection Observed along the Trans-Mexican Volcanic Belt
(MDPI, 2021)"Complex terrain features—in particular, environmental conditions, high population density and potential socio-economic damage—make the Trans-Mexican Volcanic Belt (TMVB) of particular interest regarding the study of deep ... -
Optimización de las variables del proceso de digestión anaerobia de lactosuero en la producción de biogás
(Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM, 2021)"To reduce the consumption of fossil fuels and to have competitive prices of biogas in the energy market, it is necessary to have bioprocesses with low cost and high efficiency of production. This study demonstrates that ... -
A Novel Isolate of Bacillus cereus Promotes Growth in Tomato and Inhibits Clavibacter michiganensis Infection under Greenhouse Conditions
(MDPI, 2021)"The need to produce food in a sustainable way to counteract the effects of excessive use of agrochemicals opens the door to the generation of new technologies that are not based on fossil fuels and are less toxic to ... -
Shared pollinators and sequential flowering phenologies in two sympatric cactus species
(Meise Botanic GardenRoyal Botanical Society of Belgium, 2021)"Background and aims – The reproductive characteristics of sympatric Cactaceae are important because they help to understand interfering or facilitating mechanisms that allow their coexistence. Globose Cactaceae show ... -
El meteorito Charcas y su impacto
(Sociedad Mexicana de Física, 2007)