Repositorio IPICyT: Envíos recientes

Mostrando ítems 261-280 de 2306

    • El desarrollo de la Física en San Luis Potosí Parte I: de la época colonial a la institucionalización de la física 

      Morán López, José Luis; Martínez Mendoza, José Refugio (Sociedad Mexicana de Física, 2020)

    • Agave salmiana syrup improves the production of recombinant human interleukin-2 in Escherichia coli 

      Balderas Hernández, Víctor Emmanuel; Medina Rivero, Emilio; Barba de la Rosa, Ana Paulina; De León Rodríguez, Antonio (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 

      Pedro Gilberto, Alvarado Leyva; Montejano Carrizales, Juan Martín; Morán López, José Luis (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 

      López Laurrabaquio, Guadalupe; Pérez Alvarez, Mario; Montejano Carrizales, Juan Martín; Aguilera Granja, Juan Faustino; Morán López, José Luis (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 

      Cornejo Pérez, Octavio; Mancas, Stefan C; Rosu Barbus, Haret-Codratian; Rico Olvera, Carlos (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 ...

    • Optimización de las variables del proceso de digestión anaerobia de lactosuero en la producción de biogás 

      Cisneros de la Cueva, Sergio; Veana Hernández, Fabiola; Arjona López, Marco Antonio; Alvarez Guzmán, Cecilia Lizeth; Pérez Vega, Samuel Bernardo (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 ...

    • Insights into Equilibrium and Adsorption Rate of Phenol on Activated Carbon Pellets Derived from Cigarette Butts 

      Medellín Castillo, Nahum Andrés; Ocampo Pérez, Raul; Forgionny, Angélica; Labrada Delgado, Gladis Judith; Zárate Guzmán, Ana Itzel; Cruz Briano, Sergio Armando; Flores Ramírez, Rogelio (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 

      León Cruz, José Francisco; Carbajal Henken, Cintia K.; Carbajal Pérez, José Noel; Fischer, Juergen (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 ...

    • A Novel Isolate of Bacillus cereus Promotes Growth in Tomato and Inhibits Clavibacter michiganensis Infection under Greenhouse Conditions 

      Solano Alvarez, Nallely; Valencia Hernández, Juan Antonio; Rico García, Enrique; Torres-Pacheco, Irineo; Ocampo Velázquez, Rosalía Virginia; Escamilla Silva, Maximo Eleazar; Romero García, Ana Luz; Alpuche Solís, Ángel Gabriel; Guevara-González, Ramon Gerado (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 

      Arroyo Pérez, Erika; Jiménez Sierra, Cecilia Leonor; Zavala Hurtado, José Alejandro; Flores Rivas, Joel David (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 

      Morán López, José Luis (Sociedad Mexicana de Física, 2007)

    • Carbon Nanotubes Decrease the Negative Impact of Alternaria solani in Tomato Crop 

      González García, Yolanda; Cadenas Pliego, Gregorio; Alpuche Solís, Ángel Gabriel; Cabrera, Raúl Iskander; Juárez Maldonado, Antonio (MDPI, 2021)
      "The diseases that attack the tomato crop are a limiting factor for its production and are difficult to control or eradicate. Stem and fruit rot and leaf blight caused by Alternaria solani causes severe damage and substantial ...

    • A global assessment of the potential distribution of naturalized and planted populations of the ornamental alien tree 

      Ramírez Albores, Jorge Enrique; Richardson, David M; Stefenon, Valdir Marcos; Bizama, Gustavo; Pérez Suárez, Marlín; Badano, Ernesto Ivan (Pensoft Publishers, 2021)
      "The Peruvian Peppertree (Schinus molle L.) is an evergreen tree native to semiarid environments of Peru and Bolivia in South America. This tree has been introduced and widely planted for ornamental and forestry purposes ...

    • Antilymphoma Effect of Incomptine A: In Vivo, In Silico, and Toxicological Studies 

      Calzada, Fernando; Bautista Redonda, Francisco Elihú; Hidalgo Figueroa, Sergio Nemorio; García Hernández, Normand; Barbosa Cabrera, Reyna Elizabeth; Velázquez, Claudia; Ordoñez Razo, Rosa María; Arietta García, Angel Giovanni (MDPI, 2021)
      "Incomptine A (IA) is a sesquiterpene lactone isolated from Decachaeta incompta that induces apoptosis, reactive oxygen species production, and a differential protein expression on the U-937 (diffuse histiocytic lymphoma) ...

    • Nanoestructuras y su caracterización por medio de microscopía electrónica de transmisión; ciencia y arte 

      Mendoza Ramírez, Miriam Carolina; Ávalos Borja, Miguel (UNAM, 2020)
      "The description of nanometric systems is still being a challenging topic, for this reason the transmission electron microscopy (TEM) scope is exemplified in a didactic way using several nanosystems (Au nanoparticles and ...

    • División de Materiales Avanzados-IPICyT* 

      Flores Zúñiga, Horacio (UNAM, 2016)
      "En este trabajo se describen las actividades en nanociencias y nanotecnologías (NyN) que se llevan a cabo en la División de Materiales Avanzados del Instituto Potosino de Investigación Científica y Tecnológica A.C. (IPICyT). ...

    • Analysis of volatile molecules present in the secretome of the fungal pathogen Candida Glabrata 

      López Ramos, Juan Ernesto; Bautista Redonda, Francisco Elihú; Gutiérrez Escobedo, Ma Guadalupe; Mancilla Montelongo, María Gabriela; Castaño Navarro, Irene Beatriz; González Chávez, Marco Martín; De Las Peñas Nava, Alejandro (MDPI, 2021)
      "Candida albicans, Candida glabrata, Candida parapsilosis and Candida tropicalis are the four most common human fungal pathogens isolated that can cause superficial and invasive infections. It has been shown that specific ...

    • Effect of Cathodic Protection on Reinforced Concrete with Fly Ash Using Electrochemical Noise 

      García Contreras, Jorge Pedro; Gaona Tiburcio, Citlalli; López Cázares, María Irene; Sánchez Díaz, Guillermo; Ibarra Castillo, Juan Carlos; Jáquez Muñoz, Jesús M.; Nieves Mendoza, Demetrio; Maldonado Bandala, Erick Edgar; Olguín Coca, Francisco Javier; López León, Luis Daimir; Almeraya Calderón, Facundo (MDPI, 2021)
      "Corrosion of steel reinforcement is the major factor that limits the durability and serviceability performance of reinforced concrete structures. Impressed current cathodic protection (ICCP) is a widely used method to ...

    • 5-Aza-2?-Deoxycytidine and Valproic Acid in Combination with CHIR99021 and A83-01 Induce Pluripotency Genes Expression in Human Adult Somatic Cells 

      Aguirre Vazquez, Alain Jesús; Salazar Olivo, Luis Antonio; Flores Ponce, Xóchitl Natalia; Arriaga Guerrero, Ana Leticia; Garza Rodríguez, Dariela; Camacho Moll, María Elena; Velasco, Iván; Castorena Torres, Fabiola; Dadheech, Nidheesh; Bermúdez de León, Mario Abelardo (MDPI, 2021)
      "A generation of induced pluripotent stem cells (iPSC) by ectopic expression of OCT4, SOX2, KLF4, and c-MYC has established promising opportunities for stem cell research, drug discovery, and disease modeling. While this ...

    • High Step-Up Converter Based on Non-Series Energy Transfer Structure for Renewable Power Applications 

      Díaz Saldierna, Luis Humberto; Leyva Ramos, Jesús (MDPI, 2021)
      "In this paper, a high step-up boost converter with a non-isolated configuration is proposed. This configuration has a quadratic voltage gain, suitable for processing energy from alternative sources. It consists of two ...