Resultados de búsqueda - IT*

Viability and reconstitution of delta-endotoxins from Bacillus thuringiensis var. israelensis extracts after forty years of storage against Aedes aegypti (Diptera: Culicidae) por Fernández Chapa, David Daniel, Luna Olvera, Hugo Alberto, Ramírez Villalobos, Jesica María, Rojas Verde, Guadalupe, Arévalo Niño, Katiushka, Galán Wong, Luis Jesús

“…Background: Bacillus thuringiensis subsp. israelensis (Bti) produces insecticidal endotoxins known as Cry and Cyt. Its efficiency and specificity make it the most widely used substance as a biopesticide for controlling disease from vector insects, such as mosquitoes, responsible for important human diseases such as malaria, filariasis, dengue, and yellow fevers. …”
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Pole placement and mixed sensitivity of LTI MIMO systems having controlled outputs different from measurements por Flores, Miguel A., Galindo, René

“…With the proposed expressions, the mixed sensitivity problem is solved without using weighting functions, so the controller does not increase its order; and the infinite norm of the mixed sensitivity criterion, as well as the assignment of poles, is determined by a set of control parameters…”
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Omega fatty acids production in an isolated native Chlorella sp. from northeast Mexico with improved growth using urine as nutritive medium por Canino Gómez, Jessica Cossette, Limón Rodríguez, Benjamín, Rivas García, Pasiano, Escamilla Alvarado, Carlos, Morones Ramírez, José Rubén, Alcalá Rodríguez, Mónica María

“…The growth of the microalgae in MOB was increased when compared to its growth in BG11. An improvement was also observed in the production of fatty acids and proteins, where the cultivation of Chlorella sp. with the urine medium (MOB) showed an average production (%) of 17.22% saturated fatty acids (SUFA’s), 22.03% of monounsaturated fatty acids (MUFA’s) and 60.73% of polyunsaturated fatty acids (PUFA’s), demonstrated also in the high concentrations of mainly linoleic and linoleic fatty acids in the microalgae. …”
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Networked Gatekeeping and Networked Framing on Twitter Protests in Mexico about the Ayotzinapa Case por Galarza Molina, Rocío Araceli

“…The analysis of frames revealed that the protest sought to: humanize the case emphasizing the life of the students; assign responsibility; and portray itself as a way to take an active role and coping emotionally with the disappearance. …”
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Historical and current spatial modeling of the sacred fir (Abies religiosa [Kunth] Schltdl. & Cham.) in the Trans-Mexican Volcanic Belt por Manzanilla Quiñones, Ulises, Martínez Adriano, Cristian Adrián, Aguirre Calderón, Oscar Alberto

“…The limiting environmental variables of its distribution are: elevation, annual precipitation, summer precipitation, annual mean temperature and diurnal temperature oscillation. …”
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Metal phthalocyanines as catalyst precursors of metallated carbon nanotubes por Alanís, Antonio, Kharissova, Oxana Vasilievna, Kharisov, Boris I.

“…Abstract: Background: The addition of nanoparticles to cellulose paper can improve its mechanical strength, chemical stability, biocompatibility and hydrophobic properties. …”
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A calculation of the physical mass of sigma meson por Morones Ibarra, José Rubén, Santos Guevara, Ayax

“…In addition, we obtained 220 MeV as the value for the width of its spectral function. The value obtained for the mass is in good agreement with that reported in the Particle Data Book for the σ-meson, which is also named f0(600). …”
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Accessible location of mobile labs for COVID-19 testing por Villicaña Cervantes, Dianne Larissa, Ibarra Rojas, Omar Jorge

“…Thus, we defne a location problem concerned with optimizing a measure representing the accessibility of service to its potential clients. In particular, we use the concepts of classical, gradual, and cooperative coverage to defne a weighted sum of multiple accessibility indicators. …”
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Estudio sobre las estrategias utilizadas por estudiantes de bachillerato que favorecen aprendizajes autorregulados por Serna Sánchez, Pedro Alonso

“…Se utilizó como instrumento de recopilación de datos el Inventario de Motivación y Estrategias de Aprendizaje MSLQ en Física (81 ítems), del cual sólo se aplicó el bloque de Estrategias de Aprendizaje (50 ítems). …”
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Development of a Portland Cement-Based Material with Agave salmiana Leaves Bioaggregate por Rosas Díaz, Felipe Esteban, García Hernández, David Gilberto, Mendoza Rangel, José Manuel, Terán Torres, Bernardo Tadeo, Galindo Rodríguez, Sergio Arturo, Juárez Alvarado, César Antonio

“…Characterization tests were carried out on the raw materials and the vegetal aggregate was processed to improve its compatibility with the cement paste through four different treatments: (a) freezing (T/C), (b) hornification (T/H), (c) sodium hydroxide (T/NaOH), and (d) solid paraffin (T/P). …”
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Thinking beside the box: should we care about the non-coding strand of the 16S rRNA gene? por García Mazcorro, José Francisco, Bárcenas Walls, José R.

“…More importantly: Does 16S rDNA evolution reflect its own evolution or the evolution of its counterpart nc16S rDNA? …”
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Late-Onset 22q11.2 Deletion Syndrome With Mild Cardiac Phenotype: A Unique Adult Presentation Diagnosed at 45 Years of Age por Elizondo Plazas, Anasofia, López Uriarte, Graciela Areli, González González, José Gerardo, Rodríguez Gutiérrez, René, Martínez Villarreal, Laura Esther, Treviño Juárez, Ángel Sebastián, González Velázquez, Camilo Daniel

“…In conclusion, this case illuminates the diverse clinical spectrum of adult-onset 22q11 deletion syndrome, emphasizing its relevance to clinical practice.…”
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Real-world practice of acute leukemia intrathecal chemotherapy administration: a mexican nationwide survey por Colunga Pedraza, Julia Esther, Colunga Pedraza, Perla Rocío, Benavides López, Hilda Valeria, Mares Gil, José Eduardo, Jiménez Antolínez, Yajaira Valentine, Mancías Guerra, Consuelo, Velasco Ruiz, Ileana Yazmín, González Llano, Óscar

“…Objective: Our objective was to describe the different techniques used for the application of ITC and review the existing recommendations in the literature. …”
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Knowledge of healthcare providers in the management of anaphylaxis por González Díaz, Sandra Nora, Villarreal González, Rosalaura Virginia, Fuentes Lara, Elma Isela, Salinas Díaz, María del Rocío, De Lira Quezada, Cindy Elizabeth, Macouzet Sánchez, Carlos, Macías Weinmann, Alejandra, Guzmán Avilán, Rosa Ivett, García Campa, Mariano

“…Methods: It is an observational, descriptive, cross-sectional study conducted among healthcare providers over 18 years old via a Google Forms link and shared through different social media platforms. A 12-item questionnaire was applied which included the evaluation of the management of anaphylaxis, from June 2020 to May 2021. …”
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Preparation, optical characterization and stability of gold nanoparticles by facile methods por González, V, Kharisov, Boris I., Gómez de la Fuente, María Idalia del Consuelo

“…The microwave nanoparticles were analyzed one year after its synthesis and it was found that the plasmon resonance signal remains almost unchanged. …”
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Developments of solid-phase microextraction fiber coatings for environmental pharmaceutical and personal care products analysis por Portillo Castillo, Omar Jassiel, Castro Ríos, Rocío, Chávez Montes, Abelardo, González Horta, Azucena C., Cavazos Rocha, Norma Cecilia, Waksman de Torres, Noemí, Garza Tapia, Marsela

“…This review describes the recent developments in SPME with classical and novel coatings and its applications for PPCP determination in environmental samples.…”
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Anatomical study of the horseshoe kidney por Tijerina de la Garza, Octavio, Uresti, Jaime, Urrutia de la Vega, Edgar, Elizondo Omaña, Rodrigo Enrique, Guzmán López, Santos

“…The specimen consisted of a renal mass joined at its lower poles by an isthmus composed of renal parenchyma. …”
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Back to the basics: usefulness of naturally aged mouse models and immunohistochemical and quantitative morphologic methods in studying mechanisms of lung aging and associated disea... por Jaramillo Rangel, Gilberto, Chávez Briones, María de Lourdes, Ancer Arellano, Adriana Guadalupe, Miranda Maldonado, Ivett C., Ortega Martínez, Marta Graciela

“…The study of the aging process in the lung and its associated diseases could allow the design of appropriate therapeutic strategies, which is extremely important considering that life expectancy and the number of elderly people continue to increase considerably worldwide.…”
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Influencia de los estereotipos de género en el uso de métodos anticonceptivos en jóvenes por Rubí Amador, Sandra

“…La sexualidad es uno de los temas relacionados con los jóvenes que resultan de gran interés para las ciencias sociales, ya que junto al inicio de la vida sexual y la sexualidad activa, se presenta una variedad de experiencias que, si no se asumen de manera responsable, pueden devenir en implicaciones importantes como embarazos no deseados o Infecciones de Transmisión Sexual (ITS), mismas que pueden repercutir en la transición de la juventud a la adultez y en la vida adulta de los jóvenes. …”
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Engineered small metal‐binding protein tag improves the production of recombinant human growth hormone in the periplasm of Escherichia coli por Pérez Pérez, David Antonio, Pioquinto Avila, Elizeth, Arredondo Espinoza, Eder Ubaldo, Morones Ramírez, José Rubén, Balderas Rentería, Isaías, Zárate Kalfópulos, Xristo

“…Recently, we have optimized the periplasmic production of proteins tagged with SmbP by exchanging its native signal peptide with one taken from pectate lyase B (PelB), substantially increasing the amount of protein produced. …”
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