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Aproximadamente 1341 registro(s) hasta el momento: (journal)

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Recurso libre

Perspectives on the Density Functional Theory of Chemical Reactivity
Gázquez,José L.

Formato:	journal article
Enlaces:	A brief perspective of the development of the density functional theory of chemical reactivity since the identification of the chemical potential with the electronegativity in 1978 is presented. The reactivity concepts are examined together with the chemical principles associated with…
Fecha:	2008-03-01
Recurso:	SCIELO

Recurso libre

Revisiting the Effects of the Molecular Structure in the Kinetics of Electron transfer of Quinones: Kinetic Differences in Structural Isomers
Frontana,Carlos - González,Ignacio

Formato:	journal article
Enlaces:	The effect of 2,5 and 2,6 disubstitution (R = CH3, Cl, C(CH3)3) for 1,4-benzoquinones, in the reorganization energy (λ) for the first electron uptake process was analyzed in acetonitrile solution. Data obtained by cyclic voltammetry suggested differences in λ for…
Fecha:	2008-03-01
Recurso:	SCIELO

Recurso libre

Shannon Entropies of Atomic Basins and Electron Correlation Effects
Sagar,Robin P. - Hô,Minhhuy

Formato:	journal article
Enlaces:	Electron correlation effects on atomic basin populations of AIM theory and the resulting de/localization of the basin charge and momentum densities, as measured by local Shannon entropies and basin kinetic energies, are discussed for a series of ten- , fourteen-…
Fecha:	2008-03-01
Recurso:	SCIELO

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Bi and Three-Metallic Electrocatalysts Preparation for Methanol Oxidation
Márquez-Navarro,Yara - Galicia,Laura - Lara,Víctor Hugo - Ángel,Gloria Del

Formato:	journal article
Enlaces:	Bi and tri-metallic (Pt-Ru/C, Pt-Mo/C and Pt-Ru-Mo/C) catalysts were synthesized by using as precursors the metallic salts and applying the co-impregnation method. The tri-metallic catalysts underwent different thermal treatments and they were characterized by X-Ray. The catalytic activity for methanol…
Fecha:	2008-03-01
Recurso:	SCIELO

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Folded Conformations of Maitotoxin
Matus,Myrna H. - Escobar,Laura - Galván,Marcelo

Formato:	journal article
Enlaces:	We used classical molecular mechanics and dynamics simulations to sample the conformational space of maitotoxin, the largest and most lethal natural product. Among the set of minima obtained, the five conformers with the lowest energies show folded structures with an…
Fecha:	2008-03-01
Recurso:	SCIELO

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Molecular Dynamics Simulations of the Solubility of H2S and CO2 in Water
López-Rendón,Roberto - Alejandre,José

Formato:	journal article
Enlaces:	We have performed molecular dynamics simulations at constant temperature and pressure to calculate the solubility of carbon dioxide (CO2) and hydrogen sulfide (H2S) in water. The solubility of gases in water is important in several technological problems, in particular in…
Fecha:	2008-03-01
Recurso:	SCIELO

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Ethane Internal Rotation -Vibrational Hamiltonian
Hidalgo-Olguín,David Ricardo - Villa,María - Senent,María Luisa - Mora-Delgado,Marco Antonio

Formato:	journal article
Enlaces:	One of the main purposes of a theoretical spectroscopist is to propose a model to reproduce the xperimental spectra available in the literature as accurate and with as much physical information as possible. In this case it has been studied…
Fecha:	2008-03-01
Recurso:	SCIELO

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The ellipticity of Rayleigh waves at infinite depth
Malischewsky Auning,P

Formato:	journal article
Enlaces:	I present an analytical formula and an approximation for the ellipticity of Rayleigh waves in a homogeneous half-space at infinite depth in terms of Poisson's ratio. The result is compared with the corresponding formulas for surface ellipticity.
Fecha:	2008-03-01
Recurso:	SCIELO

Recurso libre

AVOA technique for fracture characterization: resolving ambiguity
Sabinin,V - Chichinina,T

Formato:	journal article
Enlaces:	A new computational technique of AVOA analysis (Amplitude Versus Offset and Azimuth) is developed which resolves an ambiguity in fracture-direction estimation. It analyzes a third term of Rüger's approximation for P-wave reflection coefficient to distinguish symmetry-axis and fracture-strike directions. The…
Fecha:	2008-03-01
Recurso:	SCIELO

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10.

von Neumann Entropies Analysis in Hilbert Space for the Dissociation Processes of Homonuclear and Heteronuclear Diatomic Molecules
Flores-Gallegos,Nelson - Esquivel,Rodolfo O.

Formato:	journal article
Enlaces:	Quantum Information Theory is a new field with potential implications for the conceptual foundations of Quantum Mechanics through density matrices. In particular, information entropies in Hilbert space representation are highly advantageous in contrast with the ones in phase space representation…
Fecha:	2008-03-01
Recurso:	SCIELO

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11.

The Role of the Linearity on the Hydrogen Bond in the Formamide Dimer: a BLYP, B3LYP, and MP2 Study
Ramírez,José-Zeferino - Vargas,Rubicelia - Garza,Jorge

Formato:	journal article
Enlaces:	Quantum chemistry methods have been proven to be a very useful tool to study chemical systems stabilized by hydrogen bonds. The two theoretical methodologies most frequently used are the Density Functional Theory (DFT), in its Kohn-Sham version, and the second…
Fecha:	2008-03-01
Recurso:	SCIELO

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12.

Mechanism and Kinetics of the OH• Radical Reaction with Formaldehyde Bound to an Si(OH)4 Monomer
Iuga,Cristina - Esquivel Olea,Rodolfo - Vivier-Bunge,Annik

Formato:	journal article
Enlaces:	In this work, quantum chemical methods are used to study the reaction of OH· radicals with formaldehyde bound to the Si(OH)4 monomer, as a model for silica mineral aerosols. The potential energy surfaces for the formaldehyde interaction with the surface…
Fecha:	2008-03-01
Recurso:	SCIELO

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13.

Equilibrium Constants Determination of the Species Formation in the Al(III)-H2O System by Integration of 27Al-NMR Signals and Fitting with Species Fractions
Rojas-Hernández,Alberto - Botello,Julio César - Pacheco-Hernández,Ma de Lourdes - Gutiérrez,Atilano - Domínguez,José Manuel - Espinosa,Gabriela - Ramírez-Silva,María Teresa

Formato:	journal article
Enlaces:	A quantitative methodology to determine formation constants that takes into consideration the 27Al-NMR signals of Al(III)-H2O systems has been analyzed, where area fractions beneath the peaks recorded were associated with the corresponding species fractions. The values of the formation constants…
Fecha:	2008-03-01
Recurso:	SCIELO

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14.

Molecular adsorption of NO on a Pd4 cluster: A density functional theory (DFT) study
Bertin,Virineya - Angel,Gloria del - Mora,Marco A. - Poulain,Enrique - Olvera,Oscar - López-Rendón,Roberto

Formato:	journal article
Enlaces:	In this work, theoretically adsorption of N, O, NO, as well as the possible spontaneous dissociation of NO on the small cluster of Pd4 is studied. We used the theory of density functional. The main purpose is to have a…
Fecha:	2008-03-01
Recurso:	SCIELO

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15.

Comparison of elevation heights using a Differential Global Positioning System (DGPS) and a Total Station
Marín,L. E. - Balcazar,M - Ortiz,M - Steinich,B - Hernández-Espriu,J. A.

Formato:	journal article
Enlaces:	Differences in elevation for a set of 12 different points were determined using a Total Station and a DGPS three receivers with occupation times of 90 minutes per station). A comparison between both sets of elevation values shows differences of…
Fecha:	2008-03-01
Recurso:	SCIELO

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16.

Symbolic sensitivity analysis of the new second-order IIR structure
Jovanovic-Dolecek,G - Mitra,S.K

Formato:	journal article
Enlaces:	An high-order IIR (In fi nite im pulse response) filter is usually realized in the form of a cas cade or in the form of a parallel connection of second-order sections. Consequently, it is of in ter est to study…
Fecha:	2008-03-01
Recurso:	SCIELO

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17.

Artificial Learning approaches for the next generation web: part I
Gutiérrez-Pulido,J.R. - Ramos-Michel,E.M. - Cabello-Espinosa,M.E. - Legrand,S - Elliman,D

Formato:	journal article
Enlaces:	In this paper we present a review of learning approaches that have been used by the research community to carry out clustering and pattern recognition tasks. Artificial neural net works are then introduced by presenting existing topologies, learning algorithms, and…
Fecha:	2008-03-01
Recurso:	SCIELO

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18.

Synthesis, Structure and Magnetic Differences of Two α-Nitronyl Nitroxide Isomers
Vega,Araceli - Padilla,Juan - Leyva,Marco Antonio - Rosales,María del Jesús - Bernès,Sylvain

Formato:	journal article
Enlaces:	The two isomeric organic nitronyl nitroxide free radicals 2-(2'-hydroxyl-3'-methoxy-phenyl)-4, 4, 5, 5-tetramethyl-4, 5-dihydro-1H-imidazoyl-1-oxyl-3-oxide, 1, and 2-(3'-hydroxyl-4'-methoxyphenyl)-4, 4, 5, 5-tetramethyl-4, 5-dihydro-1H-imidazoyl-1-oxyl-3-oxide, 2, have been synthesized and their structures determined by X-ray diffraction. Structure 1 has three dimensional, strong, intramolecular hydrogen bonds…
Fecha:	2008-03-01
Recurso:	SCIELO

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19.

Molecular Speciation Effect on Docking and Drug Design. A Computational Study for Mangiferin, a Carbohydrate-Polyphenol Bioconjugate as a Test Case
Gómez-Zaleta,Berenice - González-De la Rosa,Claudia Haydée - Pérez-Hernández,Gerardo - Beltrán,Hiram I. - Aparicio,Felipe - Rojas-Hernández,Alberto - Rojo-Domínguez,Arturo

Formato:	journal article
Enlaces:	A study to evaluate the effect of molecular speciation considering methodologies to assign partial charges and conformational search processes for a docking test was made with mangiferin (MGF). This compound was selected as a model to explore speciation effects on…
Fecha:	2008-03-01
Recurso:	SCIELO

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20.

Hydraulic fracturing as a possible mechanism of dyke-sill transitions and horizontal discordant intrusions in trachytic tabular bodies of Arraial do Cabo, State of Rio de Janeiro, Brazil
Motoki,A - Sichel,S.E.

Formato:	journal article
Enlaces:	This paper presents some field descriptions and genetic considerations about dyke-sill transitions and horizontal-discordant intrusions of the early Tertiary felsic alkaline dyke swarm at Arraial do Cabo, State of Rio de Janeiro, Brazil. Two examples show the entire process of…
Fecha:	2008-03-01
Recurso:	SCIELO

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21.

Numerical modeling of Etla Valley aquifer, Oax., Mexico: Evolution and remediation scenarios
Flores-Márquez,E. L. - Martínez-Serrano,R. G. - Chávez,R. E. - Crusillo,Y - Jiménez,G - Campos-Enriquez,O

Formato:	journal article
Enlaces:	Short-term evolution (for 2001, 2005 and 2015) for the shallow aquifer of Etla Valley, Oaxaca, southern Mexico, was simulated based in a 3D hydrological model elaborated from the available geological, geophysical, geochemical, and hydrologic parameters. The numerical simulations were based…
Fecha:	2008-03-01
Recurso:	SCIELO

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22.

Biotechnological treatment for colorless denim and textil wastewater treatment with laccase and ABTS
SOLÍS-OBA,Myrna - ALMENDÁRIZ,Javier - VINIEGRA-GONZÁLEZ,Gustavo

Formato:	journal article
Enlaces:	The ABTS (2,2'-[3-etil benzotiazolin-6-sulphonic]acid)-Laccase system was applied for discoloration of both commercial denim fabric and a synthetic indigo solution. After treatment, the denim fabric looked like an aged one, although fibers did not exhibit any damage and the synthetic indigo…
Fecha:	2008-03-01
Recurso:	SCIELO

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23.

A new cryptic species of Leberis Smirnov, 1989 (Crustacea, Cladocera, Chydoridae) from the Mexican semi-desert region, highlighted by DNA barcoding
Elías-Gutiérrez,Manuel - Valdez-Moreno,Martha

Formato:	journal article
Enlaces:	DNA barcoding, based in the sequence of a gene from the mitochondria, the Citochrome C oxidase (CO1), has been proved to be an excellent tool to identify many animal groups from invertebrates to vertebrates. After barcode several Cladocera, we gathered…
Fecha:	2008-03-01
Recurso:	SCIELO

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24.

Using UML State Diagrams for Modelling the Performance of Parallel Programs
Ortega Arjona,Jorge

Formato:	journal article
Enlaces:	There are many possibilities to design a parallel program in order to obtain the best performance possible. The selection of a program structure, as an organisation of processes, impacts on the performance to be achieved, and depends on the problem…
Fecha:	2008-03-01
Recurso:	SCIELO

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25.

Color Matching using Time Series Searching in Color Databases
Felipe Riverón,E. M. - Figueroa Nazuno,J. G. - Gutiérrez Tornés,A. F. - Barrón Fernández,R - Cervantes Alarcón,F. I.

Formato:	journal article
Enlaces:	The goal of this paper is to document the use of time series in color matching. Although time series are not commonly used for this purpose, the results obtained, based on the principle of similarity in time series using the…
Fecha:	2008-03-01
Recurso:	SCIELO

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26.

Dynamic Behavior of Contaminants in the Water Distribution Network of Cuernavaca Mexico, a Real Application of Multiobjective Distributed Reinforcement Learning
Mariano Romero,Carlos Eduardo - Morales Manzanares,Eduardo F.

Formato:	journal article
Enlaces:	Water systems often allow efficient water uses via water reuse and/or recirculation. The design of the network layout connecting water-using processes is a complex problem which involves several criteria to optimize. The use of the water pinch approach to define…
Fecha:	2008-03-01
Recurso:	SCIELO

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27.

Novel measurement-based indoor cellular radio system design
Aragón-Zavala,A

Formato:	journal article
Enlaces:	A scaleable, measurement-based radio methodology has been created to use for the design, planing and optimisation of in door cellular radio systems. The development of this measurement-based methodology was performed having in mind that measurements are of ten required to…
Fecha:	2008-03-01
Recurso:	SCIELO

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28.

A Search for a Constructivist Approach for Understanding the Uncountable Set P(N)
Stenger,Cindy - Weller,Kirk - Arnon,Ilana - Dubinsky,Ed - Vidakovic,Draga

Formato:	journal article
Enlaces:	This study considers the question of whether individuals build mental structures for the set P(N) that give meaning to the phrase, "all subsets of N." The contributions of our research concerning this question are two-fold. First, we identified constructivist perspectives…
Fecha:	2008-03-01
Recurso:	SCIELO

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29.

Dr. Estela Sánchez Quintanar
Loyola-Vargas,Víctor M.

Formato:	journal article
Enlaces:	Descripción completa.
Fecha:	2012-03-01
Recurso:	SCIELO

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30.

On the near surface momentum balance in the Yucatán Channel
Marín,M - Candela,J - Sheinbaum,J - Ochoa,J - Badan,A

Formato:	journal article
Enlaces:	The horizontal momentum balance in the upper layers of the Yucatán Channel is examined for a period of 22 months, from September 1999 to June 2001, using subsurface currents from ADCP measurements at eight moorings across the channel, pressure measurements…
Fecha:	2008-03-01
Recurso:	SCIELO

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31.

Age and growth of the scalloped hammerhead shark, Sphyrna lewini (Griffith & Smith, 1834) from the Southern coast of Sinaloa, México
Anislado-Tolentino,Vicente - Gallardo Cabello,Manuel - Amezcua Linares,Felipe - Robinson Mendoza,Carlos

Formato:	journal article
Enlaces:	Age and growth for the scalloped hammerhead shark (Sphyrna lewini) were determined from opaque bands (OBs) on postcephalic vertebrae from 109 organisms (44 females, 52 cm to 276 cm total length (TL) and 65 males, 47 cm to 245 cm…
Fecha:	2008-03-01
Recurso:	SCIELO

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32.

Planktonic crustacean assemblages of three reservoirs from the Mexican Central Plateau: relationships with biotic and abiotic factors
Arroyo Bustos,Gloria Ana María - López López,Eugenia - Voltolina,Domenico

Formato:	journal article
Enlaces:	The reservoirs Trinidad Fabela (TF), Ignacio Ramírez (IR) and Tepuxtepec (T) are located along an altitude gradient in the upper Lerma Basin of the Mexican Central Plateau. Between July 1993 and June 1994, the planktonic crustacean assemblages of these systems…
Fecha:	2008-03-01
Recurso:	SCIELO

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33.

The use of maize ear in rabbit diets: nutritive value and effect on fattenning performance
Martínez,Melida - Moya,Vicente J. - Blas,Enrique - Cervera,Concepción

Formato:	journal article
Enlaces:	The nutritive value of maize ear for rabbits was determined by substitution of a standard diet (diet C) with 20 and 40% of maize ear (diets M20 and M40). Two experiments were carried out. In the first one, digestibility trials…
Fecha:	2008-03-01
Recurso:	SCIELO

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34.

Paleomagnetic study of Jurassic and Cretaceous rocks north of San Marcos fault, central Coahuila, México
González-Naranjo,G. A. - Molina-Garza,R. S. - Chávez-Cabello,G

Formato:	journal article
Enlaces:	Upper Jurassic and Lower Cretaceous continental strata at Potrero Colorado, in the core of Sierra La Fragua anticline in central Coahuila, carry dual-polarity characteristic magnetizations that we interpret as near primary chemical remanent magnetizations. Upper Jurassic fluvial and eolian sandstones…
Fecha:	2008-03-01
Recurso:	SCIELO

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35.

Potential and Actual Collaboration Support for Distributed Pair-Programming
Morán,Alberto L. - Favela,Jesús - Romero,Raúl - Natsu,Hiroshi - Pérez,Cynthia - Robles,Omar - Martínez Enríquez,Ana María

Formato:	journal article
Enlaces:	In Pair Programming - a software development technique that is part of Extreme Programming (XP) - two developers work side by side, on a single computer, to jointly produce an artifact. It has been reported that Pair Programming can be…
Fecha:	2008-03-01
Recurso:	SCIELO

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36.

Editorial
Sidorov,Grigori

Formato:	journal article
Enlaces:	Descripción completa.
Fecha:	2012-03-01
Recurso:	SCIELO

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37.

Almanac 2011: Cardiomyopathies. The national society journals present selected research that has driven recent advances in clinical cardiology
Elliott,Perry M - Mohiddin,Saidi A

Formato:	journal article
Enlaces:	Descripción completa.
Fecha:	2012-03-01
Recurso:	SCIELO

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38.

Chromatin Bound PCNA is Complexed with Cell Cycle Protein Regulators as Determined by Chromatin Immunoprecipitation
Becerril,Nazul - Martínez,Miguel Ángel - García,Elpidio - Vázquez Ramos,Jorge Manuel

Formato:	journal article
Enlaces:	Using the technique of Chromatin Immunoprecipitation, we have detected the formation of complexes between the homotrimer protein ring Proliferating Cell Nuclear Antigen, PCNA, and two fundamental regulators of the cell cycle, CdkA and Cyclin D4;2 along germination of maize seeds.…
Fecha:	2012-03-01
Recurso:	SCIELO

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39.

Determination of Antioxidants in Fruit Tissues from Three Accessions of Habanero Pepper (Capsicum chinense Jacq.)
Castro-Concha,Lizbeth A. - Canche-Chuc,Ismael - Miranda-Ham,María de Lourdes

Formato:	journal article
Enlaces:	Three accessions of habanero pepper (Capsicum chínense Jacq.), differing in the color of the fruits throughout the maturation process, were analyzed for antioxidants, namely carotenoids, ascorbate and glutathione. The mature fruits from the three accessions contained high levels of the…
Fecha:	2012-03-01
Recurso:	SCIELO

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40.

Metal Binding Sites in Plant Soluble Inorganic Pyrophosphatases: An Example of the Use of ROSETTA Design and Hidden Markov Models to Guide the Homology Modeling of Proteins
Rosales-León,Luis - Hernández-Domínguez,Eric Edmundo - Gaytán-Mondragón,Samantha - Rodríguez-Sotres,Rogelio

Formato:	journal article
Enlaces:	In contrast to their counterparts in bacteria and animals the soluble inorganic pyrophosphatases from plant cells are active as monomers. The isoforms 1 and 4 from Arabidopsis thaliana have been characterized with more detail, but their three-dimensional structure is unavailable.…
Fecha:	2012-03-01
Recurso:	SCIELO

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41.

A new genus and two new species of Neotropical Myodochini (Hemiptera: Heteroptera: Rhyparochromidae)
Dellapé,Pablo M.

Formato:	journal article
Enlaces:	A new genus and 2 new species of Neotropical myodochines are described from Trinidad and Tobago, and Peru. Each species is diagnosed and described, and adult photographs and illustrations of the male genitalia are provided to facilitate identification. The studied…
Fecha:	2012-03-01
Recurso:	SCIELO

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42.

First record of Lissothuria antillensis (Echinodermata: Holothuroidea) from the Gulf of Mexico
Arriaga-Ochoa,Julio Adrián - Solis-Marin,Francisco Alonso - Laguarda-Figueras,Alfredo - Solis-Weiss,Vivianne

Formato:	journal article
Enlaces:	Two specimens of Lissothuria antillensis Pawson, 1967 were collected at 2 localities from the Gulf of Mexico, Isla Verde and Tuxpan Reef, Veracruz, Mexico. This species had been reported previously only from the Caribbean Sea.
Fecha:	2012-03-01
Recurso:	SCIELO

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43.

Impact of Cadmium and Selenium Exposure on Trace Elements, Fatty Acids and Oxidative stress in Lepidium sativum
Yáñez Barrientes,Eunice - Rodríguez Flores,Crescencio - Wrobel,Kazimierz - Wrobel,Katarzyna

Formato:	journal article
Enlaces:	The objective of this work was to examine possible effects that the exposure to cadmium and selenium might have in Lepidium sativum. Nine hydroponic cultures were obtained, according to the three level factorial design that covered plants exposure to 0,…
Fecha:	2012-03-01
Recurso:	SCIELO

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44.

Sanguinarine and Dihydrosanguinarine Accumulation in Argemone mexicana (L) Cell Suspension Cultures Exposed to Yeast Extract
Guízar-González,Cecilia - Trujillo-Villanueva,Karen - Monforte-González,Miriam - Vázquez-Flota,Felipe

Formato:	journal article
Enlaces:	Alkaloid contents in Argemone mexicana cell line AMMiF were analyzed during a 36-day culture cycle. The benzophenanthridine sanguinarine (SA) represented the main alkaloid. Dihydrosanguinarine (DHSA), a SA biosynthetic precursor and a less toxic benzophenanthridine, was also identified, based on chromatographic…
Fecha:	2012-03-01
Recurso:	SCIELO

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45.

Oxidized Glutathione Promotes the Association of Proteins from Bean Seeds to Potato Starch
Correa,Paola - Bernal,Lilia - Coello,Patricia - Martínez-Barajas,Eleazar

Formato:	journal article
Enlaces:	In this paper, we report the use of oxidized glutathione (GSSG) in promoting the association of bean seed proteins to starch granules purified from potato tubers. The resulting interaction was stable and only a small fraction of the bound proteins…
Fecha:	2012-03-01
Recurso:	SCIELO

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46.

Identification of Proteins from Cap-Binding Complexes by Mass Spectrometry During Maize (Zea mays L.) Germination
Lázaro-Mixteco,Pedro E. - Dinkova,Tzvetanka D.

Formato:	journal article
Enlaces:	This work describes the identification of components in the Cap-binding complexes in non-germinated and 24-h-imbibed seeds using mass spectrometry. This approach revealed new components particularly present in the non-germinated seed. Among these, two heat shock proteins, HSP101 and HSP70, were…
Fecha:	2012-03-01
Recurso:	SCIELO

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47.

2D and 3D Supramolecular Structures of trans- and cis-Octahedral Coordination Compounds of Ethyl-5-methyl-4-imidazolecarboxylate with Transition Metal Ions
Barrera-Guzmán,Víctor Adán - Ramírez-Trejo,Raúl - Rodríguez-Hernández,Edgar Omar - Barba-Behrens,Noráh

Formato:	journal article
Enlaces:	Ethyl-5-methyl-4-imidazolecarboxylate (emizco) is an important intermediate in the synthesis of pharmacological active compounds. In this work, there were synthetized and characterized the following coordination compounds with emizco: trans-[Co(emizco)2(H2O)2](NO3)2 1, trans-[Ni(emizco)2(H2O)2](NO3)2 2, trans-[Cd(emizco)2(H2O)2](NO3)2 (3) and cis-[Cd(emizco)2Br2] (4). 2D or 3D supramolecular…
Fecha:	2012-03-01
Recurso:	SCIELO

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48.

Cuticular Wax Composition of Coconut Palms and their Susceptibility to Lethal Yellowing Disease
Arroyo-Serralta,Gabriela A. - Zizumbo-Villareal,Daniel - Escalante Erosa,Fabiola - Peña-Rodríguez,Luis M.

Formato:	journal article
Enlaces:	A number of metabolites isolated and identified from cuticular waxes have been used as chemotaxonomical markers and to explain the role of the wax layer in plant-insect and plant-pathogen interactions. Chromatographic analysis of the cuticular wax from pinnae of five…
Fecha:	2012-03-01
Recurso:	SCIELO

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49.

Purification and Characterization of an Alkaline Phosphatase Induced by Phosphorus Starvation in Common Bean (Phaseolus vulgaris L.) Roots
Morales,Lorena - Gutiérrez,Natalia - Maya,Vanessa - Parra,Carmen - Martínez-Barajas,Eleazar - Coello,Patricia

Formato:	journal article
Enlaces:	Two phosphatase isoforms from roots of the common bean (Phaseolus vulgaris L.) showed an increase in activity in response to phosphate deficiency. One of them (APIII) was chosen for further purification through ionic exchange chromatography and preparative electrophoresis. The estimated…
Fecha:	2012-03-01
Recurso:	SCIELO

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50.

Secondary Ligand Effects on the Cytotoxicity of Several Casiopeína's Group II Compounds
Bravo-Gómez,María Elena - Dávila-Manzanilla,Silvia - Flood-Garibay,Jessica - Muciño-Hernández,Miguel Ángel - Mendoza,Ángel - García Ramos,Juan Carlos - Moreno-Esparza,Rafael - Ruiz-Azuara,Lena

Formato:	journal article
Enlaces:	The aim of this study is to identify the influence of the ligand aminoacidato on the antiproliferative activity against human tumor cell lines HeLa, HCT-15 and SKL-U through the analysis of a set of Cu(II) coordination compounds with general formula…
Fecha:	2012-03-01
Recurso:	SCIELO