Search results for: Jose Jorge Chanona-Pérez

Items from 1 to 11 out of 11 results

article

Development of a facile aerogel‐based ion‐selective electrode using cellulose and carbon nanotubes as transducer materials for potentiometric application

Susana Dianey Gallegos‐Cerda, José Jorge Chanona‐Pérez, Josué David Hernández‐Varela, Maximiliano Campos López

Journal of Applied Polymer Science > 140 > 22 > n/a - n/a

Facile, lightweight, and sustainable aerogels have been a growing interest in their applications as support matrixes in the current environmental and energy challenges. In this study, a cellulose aerogel (CA) is fabricated using a homogeneous dispersion of cellulose fibers in an alkali‐urea aqueous solution and a carbon nanotube ink (CNT‐ink) to increase its electrical and conductive behavior in a...

article

Study of cellular architecture and micromechanical properties of cuajilote fruits (Parmentiera edulis D.C.) using different microscopy techniques

Macario Vicente‐Flores, Norma Güemes‐Vera, José Jorge Chanona‐Pérez, María de Jesús Perea‐Flores, more

Microscopy Research and Technique > 84 > 1 > 12 - 27

The cuajilote (Parmentiera edulis D.C.) tree produces fibrous fruits with a high content of lignocellulosic compounds. However, this fruit and their fibers have been scarcely studied. For this reason, an integral study of their cellular architecture, physicochemical, micromechanical, and structural properties in two maturity stages were carried out. Physicochemical tests, light, confocal and electron...

article

Detection of Brucella abortus by a platform functionalized with protein A and specific antibodies IgG

Shantal Lizbeth Baltierra‐Uribe, José Jorge Chanona‐Pérez, Juan Vicente Méndez‐Méndez, María de Jesús Perea‐Flores, more

Microscopy Research and Technique > 82 > 5 > 586 - 595

Oriented immobilization of antibodies on a sensor surface is critical for enhancing both the antigen‐binding capacity and the sensitivity of immunosensors. In this study, we describe a strategy to adsorb immunoglobulin G (IgG) anti‐Brucella antibodies onto a silicon surface, oriented by protein A obtained from Staphylococcus aureus (SpA). X‐ray photoelectron spectroscopy and atomic force microscopy...

article

Morphometric study of adipocytes on breast cancer by means of photonic microscopy and image analysis

Luis Eduardo Suárez–Nájera, José Jorge Chanona–Pérez, Alejandra Valdivia–Flores, Daniel Marrero–Rodríguez, more

Microscopy Research and Technique > 81 > 2 > 240 - 249

Worldwide, breast cancer (BrCa) is currently the leading cause of deaths associated to malignant lesions in adult women. Given that some studies have mentioned that peritumoral adipocytes may contribute to breast carcinogenesis, present work sought to quantitative evaluate the morphometry of these cells in a group of adult women. Three thousand six hundred sixty four breast adipocytes, that came from...

article

Morphometric and crystallinity changes on jicama starch (Pachyrizus erosus) during gelatinization and their relation with in vitro glycemic index

Mónica Ramírez‐Miranda, Pablo Daniel Ribotta, Ana Zury Zaradi Silva‐González, Ma. De La Paz Salgado‐Cruz, more

Starch ‐ Stärke > 69 > 7-8 > n/a - n/a

The effect of gelatinization on the in vitro glycemic index (GI) of starch obtained from jicama tubers was investigated, and the relationships between the starch crystallinity, granule morphology, and the GI were measured. Samples were prepared by heating an aqueous dispersion of starch (1:3 w/v) at different baking process temperatures (60, 65, 70, 75, or 80°C). Native starch granules showed spherical...

chapter

Effective Drying Zones and Nonlinear Dynamics in a Laboratory Spray Dryer

Ulises Ramón Morales-Durán, Liliana Alamilla-Beltrán, Humberto Hernández-Sánchez, Jose Jorge Chanona-Pérez, more

Food Engineering Series > Food Engineering Interfaces > Water Management in Food > 515-534

Spray drying is a widely used unit operation. However, there is not enough information regarding the design of spray dryer equipment. The aim of this research was the identification of spray drying zones using the concept of heat transfer units and to link this approach with results from CFD simulation in steady and nonsteady-state conditions. Experiments were carried out in a two-fluid nozzle laboratory...

article

Microstructural characterization of chitosan and alginate films by microscopy techniques and texture image analysis

Israel Arzate-Vázquez, José Jorge Chanona-Pérez, Georgina Calderón-Domínguez, Eduardo Terres-Rojas, more

Carbohydrate Polymers > 2012 > 87 > 1 > 289-299

The aim of this work is to characterize the microstructure of chitosan and alginate edible films by microscopy techniques and texture image analysis. Edible films were obtained by solution casting and solvent evaporation. The microscopy techniques used in this work were: light, environmental scanning electron and atomic force microscopy. Textural features and fractal dimension were extracted from...

article

Image Processing Applied to Classification of Avocado Variety Hass (Persea americana Mill.) During the Ripening Process

Israel Arzate-Vázquez, José Jorge Chanona-Pérez, María de Jesús Perea-Flores, Georgina Calderón-Domínguez, more

Food and Bioprocess Technology > 2011 > 4 > 7 > 1307-1313

This work was undertaken to analyze the ripening process of avocados variety Hass (Persea americana Mill.) by image processing (IP) methodology. A set of avocados (10 samples) was used to follow the changes in image features during ripening by applying a computer vision system, extracting color and textural parameters. Other 16 avocados were used to evaluate the firmness and mass loss. Three maturity...

article

Morphological characterization of the growing front of Rhizopus oligosporus in solid media

Brenda Hildeliza Camacho Díaz, Antonio Jiménez Aparicio, José Jorge Chanona-Pérez, Georgina Calderón-Domínguez, more

Journal of Food Engineering > 2010 > 101 > 3 > 309-317

Rhizopus oligosporus is used to prepare tempeh and is formed by hyphae which grow as a complex branched structure with irregular borders. The objective of this research was to characterize the macro and micro structural development of R. oligosporus colonies growing on solid media in Petri dishes through image processing and fractal dimension. Stereomicroscope images of the colony were used to detecting...

article

Nanoencapsulation: A New Trend in Food Engineering Processing

María Ximena Quintanilla-Carvajal, Brenda Hildeliza Camacho-Díaz, Lesvia Sofia Meraz-Torres, José Jorge Chanona-Pérez, more

Food Engineering Reviews > 2010 > 2 > 1 > 39-50

Nanoencapsulation is defined as a technology to pack substances in miniature making use of techniques such as nanocomposite, nanoemulsification, and nanoestructuration. It provides final product functionality (including controlled release of the core) which is expected to be maintained during storage. Within the food engineering field, protection of bioactive compounds such as vitamins, antioxidants,...

article

Comparison of crumb microstructure from pound cakes baked in a microwave or conventional oven

María Elena Sánchez-Pardo, Alicia Ortiz-Moreno, Rosalva Mora-Escobedo, José Jorge Chanona-Pérez, more

LWT - Food Science and Technology > 2008 > 41 > 4 > 620-627

Imaging, light microscopy and scanning electron microscopy were used to compare the microstructure of crumbs from pound cakes baked in a microwave or conventional oven. The microwave baking conditions for pound cake (240W, 5min) were established in previous research, conventional baked pound cakes were obtained using a swing oven at 180°C for 40min. Statistical differences in total cell, cell/cm ...

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INFONA - science communication portal

Search results for: Jose Jorge Chanona-Pérez

Development of a facile aerogel‐based ion‐selective electrode using cellulose and carbon nanotubes as transducer materials for potentiometric application

Study of cellular architecture and micromechanical properties of cuajilote fruits (Parmentiera edulis D.C.) using different microscopy techniques

Detection of Brucella abortus by a platform functionalized with protein A and specific antibodies IgG

Morphometric study of adipocytes on breast cancer by means of photonic microscopy and image analysis

Morphometric and crystallinity changes on jicama starch (Pachyrizus erosus) during gelatinization and their relation with in vitro glycemic index

Effective Drying Zones and Nonlinear Dynamics in a Laboratory Spray Dryer

Microstructural characterization of chitosan and alginate films by microscopy techniques and texture image analysis

Image Processing Applied to Classification of Avocado Variety Hass (Persea americana Mill.) During the Ripening Process

Morphological characterization of the growing front of Rhizopus oligosporus in solid media

Nanoencapsulation: A New Trend in Food Engineering Processing

Comparison of crumb microstructure from pound cakes baked in a microwave or conventional oven

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