Vol. 25 No. 1 (2012)

Published March 15, 2012

Issue Description

March, 2012.

Research Papers

M. A. Aguilar Méndez, E. San Martín Martínez, N. L. Espinoza Herrera, M. Sánchez Flores, A. Cruz Orea, M. E. Ramírez Ortíz

1-7

Characterization and application of films based on gelatin-carboxymethylcellulose for the preservation of guava fruit

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M. E. Rosas Mendoza, J. L. Fernández Muñoz

8-13

FTIR applied during the osmotic dehydration of mango Ataulfo (Mangifera indica L.)

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A. M. Herrera Navarro, H. Peregrina Barreto, F. Manriquez Guerrero, I. R. Terol Villalobos, L. A. Morales Hernández

14-20

Study of the tribological behavior in a nodular foundry by techniques of morphological processing of images

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E. C. Martínez Ceballos, R. Vera Graziano, G. Martínez Barrera, O. Olea Mejía

21-25

Analysis of the effect of poly[bis(HEMA)-phosphazene] and poly[(HEMA-g-PLA)phosphazene] on the photopolymerization contraction of Bis-GMA:TEGDMA

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M. O. Concha Guzmán, C. Cuevas Arteaga, M. E. Rincón González

26-30

Comparison of methodologies based on polarization curves and potentiostatic anodization in the production of TiO2 nanostructures at low potential

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L. E. Silva de Hoyos, V. Sánchez Mendieta, A. Rico Moctezuma, A. R. Vilchis Nestor, M. A. Camacho López, M. Avalos Borja

31-35

Silver nanoparticles biosynthesized using Opuntia ficus aqueous extract

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D. Moro Frías, M. T. Sanz Pascual, A. Díaz Sánchez, C. A. de la Cruz Blas, B. Calvo

36-42

Design and simulation of an automatic control gain circuit for sensor systems

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J. Betzabe González Campos, E. del Río Rosa, E. Prokhorov, J. G. Luna Bárcenas

43-48

Compounds of chitosan/Ag nanoparticles: conductivity and relaxation mechanisms and their relation with their macroscopic properties

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R. Baeza Marrufo, P. Acereto Escoffié, C. Carrera Figueiras, D. Muñoz Rodríguez, A. Ávila Ortega, J. A. López Barrera, J. Morales Corona, R. Olayo González

49-55

Surface modification of poly(tetrafluorethylene) magnetic stirring bars with plasma of hexamethyldisiloxane and its applications in the stir bar sorptive extraction technique

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F. González Salgado, M. G. Olayo, G. J. Cruz, L. M. Gómez, E. Ordoñez, G. García Rosales

56-59

Synthesis of titanium oxide nanoparticles by plasma

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N. Bautista Elivar, E. G. Pérez Pérez, J. Carbajal Pacheco

60-65

Measuring technique for transmittance of dielectric layers in the radio frequency range

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