Aide SAENZ Galindo

Aide SAENZ Galindo
Autonomous University of Coahuila | UAdeC · Faculty of Chemistry

About

82
Publications
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792
Citations
Citations since 2017
38 Research Items
649 Citations
2017201820192020202120222023050100150
2017201820192020202120222023050100150
2017201820192020202120222023050100150
2017201820192020202120222023050100150

Publications

Publications (82)
Article
La síntesis de nanopartículas de dióxido de titanio (NPsTiO2) mediante extractos de plantas presenta un enfoque hacia la química verde, por esta razón que se pretende sintetizar NPsTiO2 a partir del extracto ricinus communis L. Primeramente se obtuvo el extracto acuoso, agregando a las hojas trituradas de ricinus communis L. 300 mL de agua y se man...
Chapter
Currently the design, production, application and disposal of natural nanocomposites are of great interest, due to the advantages that present in favor of care and conservation of the environment. This chapter presents a compilation of different studies currently reported on natural nanocomposites. It begins with basic concepts, formulations and di...
Article
The purpose of tissue engineering (regenerative medicine) is to develop materials that replace human tissue, having as main characteristics' biodegradability, biocompatibility, no toxicity, osteoconductivity, which lead to cell maturation and proliferation. Due to the importance of the development of this type of materials, several researchers have...
Article
La importancia actual de los materiales poliméricos en la industria automotriz permite a la presente investigación reportar la obtención de un composito polimérico a base de tela no tejida de nylon 6 con extractos de R. officinalis. La obtención de los extractos con etanol fue asistida por ultrasonido obteniendo rendimientos de hasta 12.08 % en pes...
Article
Coffee pulp is rich in bioactive compounds. Currently, the use of “green methodologies” is being sought that promote cleaner, safer extraction protocols with lower energy consumption. The present study proposes the extraction of polyphenolic compounds from the coffee pulp through the use of methodologies such as ultrasound and microwave. Different...
Article
This is the first study to successfully manufacture nonwoven fabrics capable to absorb uremic toxins, based on Nylon 6 incorporating graphene nanoplatelets modified with amino groups and carbon black modified with carboxylic groups by melt-blowing. The non-woven fabrics presented good mechanical properties, specifically the % elongation increased f...
Chapter
Currently, most of the consumed foods are highly processed, some of them are submitted to a heat process to get sterilized, to be cooked, to change its consistency, etc. A large number of food producers want to inoculate probiotics to their products to make them functional foods, with the risk of losing those microorganisms during the heating step,...
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Los hidrogeles son redes tridimensionales con gran contenido de agua, tienen diferentes propiedades de acuerdo al material con el que se obtengan. Estos materiales a base de polímeros naturales presentan propiedades de biocompatibilidad, biodegradabilidad, entre otras. Sin embargo, estas propiedades pueden mejorarse utilizando tecnología de plasma,...
Article
The acidic and not very fleshy fruits from Xoconostles (Xo) cacti are undervalued fruits. However, inhabitants of semi-arid regions consume these fruits that may also have a high nutritional value and natural antioxidants because of their content of dietary fiber (DF) and polyphenols. Currently, there is a lack of knowledge about the nutritional an...
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The objective of this study was to evaluate the insecticidal activity of the polyphenolic compounds found in neem on S. frugiperda larvae. Three neem extracts (1:12 (m/v) with 70% ethanol, 1:12 (m/v) with 0% ethanol (only water), and 1:4 (m/v) with 0% ethanol) were employed. Subsequently, the extraction of phytochemical compounds of each extract wa...
Article
The modification of graphene with acetic acid (AA) and benzoic acid (BA) was performed through computational simulations using the density functional theory (DFT). Pristine graphene, graphene with vacancies and Stone-Wales defects were considered. Adsorption results on pristine and Stone-Wales defected grapehene show weak physical interactions with...
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Exopolysaccharides (EPS) are metabolites produced by many microorganisms. These extracellular metabolites are responsible for conferring some specific characteristics to fermented products, such as increasing organoleptic properties in the final stage of the products. The EPS can be found easily in the dairy industry, where they confer rheological...
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Emerging traditional drug-multiresistant bacteria has become a critical health problem worldwide, which has motivated the development of alternative therapies and technologies to combat infections associated with such bacteria. The application of antibacterial and non-cytotoxic natural extracts combined with the therapeutic use of cold plasma offer...
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Depressive symptoms are diagnosed by physicians using scales but their pathophysiology is unclear. Low serotonin (5–HT) levels play an important role in depression, and the 5–HT transporter (5–HTT) is an important regulator of plasma serotonin levels and reuptake. Additionally, the 5–HTT gene-linked polymorphic region (5–HTTLPR) is associated with...
Chapter
This chapter provides an overview of different processes assisted by ultrasonic energy, starting with the basic concepts of ultrasonic energy as well as the industrial applications by sonochemistry in different areas. Ultrasound is a type of emerging energy based on cavitation, it is considered a type of alternative energy within “Green Chemistry.”...
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In the present work, multiple-wall carbon nanotubes (MWCNTs) were surface modified in an environmentally friendly way, using low-frequency ultrasonic energy. This type of modification was carried-out using two different types of organic acids, citric acid (CA) and oxalic acid (OA). The modification of the MWCNTs was confirmed by Fourier-transform i...
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El presente trabajo, es una revisión que muestra el impacto que tiene el uso de las plantas medicinales en la salud humana. Desde la antigüedad, por tradición, se extendió el uso mayoritario de algunas familias vegetales como la Lamiaceae que destaca por sus propiedades aromáticas y aplicación culinaria en numerosas culturas, así como en el tratami...
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Ultrasound energy is a green and economically viable alternative to conventional techniques for surface modification of materials. The main benefits of this technique are the decrease of processing time and the amount of energy used. In this work, graphene nanoplatelets were treated with organic acids under ultrasonic radiation of 350 W at differen...
Article
The hydantoin moiety is found in several bioactive compounds with important pharmacological properties such as antimicrobial, antifungal, anti-androgens, anticancer and the historical action anticonvulsant. Because of these reasons, the synthesis of these compounds and their derivatives is important to review considering the philosophy of the green...
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Objective: To reach the recovery and identification of antioxidant polyphenolic compounds from Nephelium lappaceum L. (Mexican variety) husk using ultrasound-assisted extraction and liquid chromatography/mass spectrometry as well as the in vitro antioxidant activity. Methods: Rambutan husk extracts were obtained by ultrasound-assisted extraction, m...
Article
Few if any reports exist that elucidate the phenomena that take place in the microwave-assist polymerization (MAP) of heterogeneous multi-component systems to form polymer nanohybrid composites. We elucidate the four distinct steps that take place during the in-situ MAP of Nylon-6 from ε-caprolactam and 6-aminocaproic in the presence of graphite ox...
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Biofuels derived from microalgae biomass have received a great deal of attention owing to their high potentials as sustainable alternatives to fossil fuels. Microalgae have a high capacity of CO2 fixation and depending on their growth conditions, they can accumulate different quantities of lipids, proteins, and carbohydrates. Microalgal biomass can...
Chapter
Inulinases are the enzymes, widely used in the food industry, that hydrolyze β-2,1 glycosidic bonds present in polyfructans such as inulin, a storage polysaccharide in several plants, to produce glucose and fructose. These enzymes are successfully produced by fungi and attracted special attention due to their potential applications in improving syr...
Article
Mannich bases are formed in a non-catalytic multicomponent reaction, which is promoted by ultrasound irradiation. The procedure avoid the use of toxic solvents, catalyst and purification, generating the desired compounds in excellent yields and short reaction times.
Article
Fusarium and Rhizopus rots occur in stored fruits and cause high post-harvest losses. The most common fruit affected by these fungi is tomato, which is the principal exportation product of Mexico. Chemical treatment is one of the postharvest techniques that are normally used to prolong shelf life and reduce food spoilage. However, the indiscriminat...
Article
In Mexico, in 2010, urinary tract infection (UTI) occupied third place in morbidity. Enterobacter aerogenes, Escherichia coli, Proteus hauseri, Proteus mirabilis, Proteus vulgaris, and Staphylococcus epidermidis are included among the bacteria that cause UTIs. Currently, there is an urgent need to develop new alternatives to control antibiotic-resi...
Chapter
Bioactive compounds term is used to refer to any substance that offers a biological activity in benefit of either nutrition or general human health. Extraction of bioactive compounds of different plant sources has been carried out since ancient times by using common solvents, based on the polarity difference and selectivity on any particular compou...
Chapter
Extraction of bioactive compounds from their natural source implies a number of factors, within which the solvent used, is one of the most important, because of the chemical nature of the compounds to be isolated. In any extraction, separation and analysis process in the food industry where common solvents are used; there is an evident risk for bot...
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Surface modification of multi-walled carbon nanotubes (MWCNT) was performed using three different organic acids as substrates. Modification was assisted with ultrasonic energy, which helped dispersion and surface modification of MWCNT. Aqueous solutions saturated of the organic acids were employed, at a temperature of 50 °C, by 8 hours. MWCNT are c...
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In this paper the modification of MWCNT with two car-boxylic acids such as: citric acid and acetic acid using ul-trasonic tip is studied. The percentages of power levels in the ultrasound were of 20, 40 and 60% in 60 minutes of treatment time. The analyze of results was carried out by infrared spectroscopy (FT-IR), dispersion tests in polar and non...
Article
Recently the new techniques of preparation of polymer with architectures more cantided have shown high importance as a necessary in order to design and synthesized much more controlled polymeric materials. There is great importance in the study of reasoning and scope of these techniques. In the present paper the controlled radical polymerization wa...
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The green synthesis of 5-hydroxy-2-phenylamino-1,4-naphthoquinone (NQ1), 2-(3-chlorophenylamine)-5hydroxy1,4-naphthoquinone (NQ2) and 2(2,4dichlorophenylamino)-5-hydroxy1,4-naphthoquinone (NQ3) derivatives obtained by ultrasound assisted synthesis (UAS) is described. This methodology offers better results than traditional methods. Those compounds w...
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La síntesis de compuestos aromáticos representa un área de grandes oportunidades para explorar dentro de la química orgánica. Las naftoquinonas son compuestos cíclicos aromáticos, atractivos para la industria farmacéutica debido a sus excelentes propiedades biolóigicas. Por ello la síntesis de derivados y su evaluación biológica son importantes áre...
Chapter
In recent years, synthetic rubbers nanocomposites have captured and held the attention of scientists because are the materials for the future, which have improved resistance to thermal degradation and stability of the nanocomposite. Commonly fillers like layered silicates, carbonaceous nanofillers (carbon nanotubes, carbon naanofibers and exfoliate...
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RESUMEN Las nuevas técnicas de polimerización radicálica contro-lada han sido de gran importancia en los últimos años, como una necesidad para llevar a cabo el diseño y sínte-sis con estructuras definidas. Existe una gran importancia en el razonamiento y estudio del alcance de estas técni-cas. En la presente revisión se hace énfasis en la técnica d...
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RESUMEN En este trabajo se presenta el estudio de la modificación superficial de MWNTC´s (nanotubos de carbono de pared múltiple) usando ácido acético y anilina, asistido por ultrasonido. Los MWNTC´s modificados se caracterizaron por espectroscopia FT-IR (ATR), donde apreciamos las señales características de los ácidos carboxílicos y de las aminas....
Article
Full-text available
RESUMEN En este trabajo se presenta el estudio de la modificación superficial de MWNTC´s (nanotubos de carbono de pared múltiple) usando ácido acético y anilina, asistido por ultrasonido. Los MWNTC´s modificados se caracterizaron por espectroscopia FT-IR (ATR), donde apreciamos las señales características de los ácidos carboxílicos y de las aminas....
Article
Background: Naphthoquinones are natural pigments that are widely distributed in nature and have important biological activities. Lawsone (2-hydroxy-1,4-naphthoquinone) and its synthetic derivatives, and especially those containing nitrogen, have promising potential for the treatment of different diseases due to their antibacterial, antifungal, anti...
Article
Full-text available
Background: Naphthoquinones are natural pigments that are widely distributed in nature and have important biological activities. Lawsone (2-hydroxy-1,4-naphthoquinone) and its synthetic derivatives, and especially those containing nitrogen, have promising potential for the treatment of different diseases due to their antibacterial, antifungal, anti...
Chapter
Fullerenes are organic compounds of high interest, formed by a structure very special of hydrophobic character, presented by a class of spherical molecules of 60 and 70 carbons in general. They present a hybridized sp² with a conjugated system, which gives high aromaticity to organized organic structures, and excellent electrical properties. Each f...
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Ultrasound and microwave assisted expedient synthesis of potential antibacterial compounds, 2-(anilino)-5- hydroxy-1,4-naphthoquinone derivatives 3a-c and 5-hydroxybenzo[f]indole-4,9-dione derivatives 8a-c and 10- hydroxybenzo[b]carbazole-6,11-dione derivatives 9a-c have been developed. For the preparation of 3a-c derivatives the methods Room Tempe...
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The surface modification of CNTs, is an area of great opportunities because of the problems agglomeration that present this type of nanoparticles to form part of a nanocomposite, from being unable to disperse evenly, for this reason in the present article are presents and discusses the study surface modification of multi-walled CNTs (MW-CNTs) assis...
Article
This work shows the study of surface modification of MWNTC's (multipled-walled carbon nanotubes) using acetic acid and aniline, assisted by ultrasound. The MWNTC's modified were characterized by FT-IR(ATR) spectroscopy, where we see the characteristic signs of carboxylic acids and amines. Another characterization was carried out measuring of the co...
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Resumen En este artículo se muestra información acerca de un material natural biodegradable, como lo es la cera de candelilla, presentando aspectos sobre algunas características como lo son sus propiedades, método de obtención, características físicas, aplicaciones y algunos estudios realizados sobre este material. Esto con el fin de dar a conocer...
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RESUMEN La modificación de nanotubos de carbono (CN´s) ha to-mado gran importancia debido a que al modificar los CN´s se abre un gran abanico de aplicaciones, en este estudio se realiza la modificación de nanotubos de carbono de pared múltiple (MWCNT´s) mediante ultrasonido utilizan-do una mezcla ácida de H 2 SO 4 y HNO 3 , caracterizándolos median...
Chapter
Recent technological advances and the need for materials with new functionalities and better performance have generated an enormous demand for novel materials. Nanostructures such as carbon nanotubes (CNTs) possess outstanding mechanical, electrical, thermal and chemical properties which make them ideal for a wide variety of current or future appli...
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The antioxidant activity and efficiency of aqueous extracts of fermented tarbush (Fluorensia cernua DC) in the inhibition of two phytopathogenic fungi, Penicillium expansum and Fusarium oxysporum, have been evaluated. A solid-state fermentation of tarbush leaves by Aspergillus niger GH1 was performed to enhance the biological activities of the obta...
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Abstract Naphthoquinones are a group of compounds widely distributed in nature. In literature have been reported to have important biological activities such as antibacterial, antifungal, antimalarial and anticancer agents. Therefore, their synthetic derivatives show a special interest in the search for bioactive compounds that enhance the activiti...
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Carbon nanotubes (CNT's) are allotropes carbon, like diamond, graphite and fullerenes. There are different types of CNT's in terms of the graphite layers that form, can be single wall carbon nanotubes (SWCNT's) and multi wall carbon nanotubes (MWCNT's). This paper described the chemical functionalization of carbon nanotubes with different functiona...
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in this document we presents some alternatives for the functionalization of carbon nanotubes (NTC's), using different methodologies: ultrasound, microwave, conventional heating among others, each of the different methods have advantages and disadvantages, depending the types of NTC's and the différents synthetic routes for obtaining them. Also we e...
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Multiwalled carbon nanotube (MWCNT)/Nylon-6 nanohybrids were prepared by in situ polymerization under microwave irradiation. The effect of time and power of irradiation on the surface conductivity of the nanohybrid was studied. It was observed that the resistivity increases with irradiation time at low microwave power (200W). On the other hand, at...
Article
The search for new synthesis routes of compounds through methods more simple, low cost, has led to the study of different methods of synthesis of naturals products. The chalcone, derivate of natural products with C6C3C6 structure, have the characteristic of producing compounds such as flavonoids that have diverse biological activities as antibacter...
Article
The modification of carbon nanotubes (CN's) has become very important because the CN's change opens a wide range of applications, in this study performs the modification of multiwalled carbon nanotubes (MWCNT's) by ultrasound using an acid mixture of H 2SO 4 and HNO 3, characterizing by FT-IR (ATR) and scanning electron microscopy (SEM), the result...
Article
Chemical fungicides have been intensively used in the control of diseases in fruits in postharvest conditions; nevertheless these actions have developed resistance in the phytopathogens, have contaminated the atmosphere, and have affected people's health through residual toxic compounds present in the food for human consumption. The objective of th...
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Full-text available
Naphthoquinones are compounds of natural or synthetic origin which have shown important biological activities, as antibacterial, antifungal, antimalarial and anticancer agents. This paper reports the 2-(amine)-1,4- naphthoquinone synthesis using different methods such as the room temperature synthesis (RTS), conventional heating synthesis (CCS) and...
Article
Naphthoquinones are compounds of natural or synthetic origin which have shown important biological activities, as antibacterial, antifungal, antimalarial and anticancer agents. This paper reports the 2-(amine)-1,4-naphthoquinone synthesis using different methods such as the room temperature synthesis (RTS), conventional heating synthesis (CCS) and...
Chapter
Edible coatings are thin layers made of edible materials intentionally applied on foods to generate a selective permeability to gases, which also reduce moisure loss and prolong the shelf life of products. In this study the extraction of the candelilla wax and the development of coatings based on this wax and Aloe vera are described. Also, the anti...
Article
a b s t r a c t In this study the effect of addition of ellagic acid (at three different concentrations) into candelilla wax matrix on shelf life and quality of whole avocados was studied. Control treatments were avocados coated with candelilla wax without ellagic acid and avocados without coating. The fruits were chosen for their maturity, size, f...
Book
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Resumen: Actualmente, el consumidor demanda productos de alta calidad y que contengan sólo ingredientes naturales, el éxito de estos productos se debe a sus buenas características sensoriales y nutricias. Las películas comestibles se utilizan como una cubierta sobre los alimentos en forma de envoltura. El mecanismo por el cual estas películas conse...