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Application of two forms of silicon and their impact on the postharvest and the content of bioactive compounds in cucumber(Cucumis sativus L.)fruits

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BIOCELL 2022年第11期46卷 2497-2506页

作者： YOLANDA GONZÁLEZ-GARCÍA VALERIA FLORES-ROBLES GREGORIO CADENAS-PLIEGO adalberto benavides-mendoza MARCELINO CABRERA DE LA FUENTE ALBERTO SANDOVAL-RANGEL ANTONIO JUÁREZ-MALDONADO Departamento de Botánica Universidad Autónoma Agraria Antonio NarroSaltillo25315México Maestría en Ciencias en Horticultura Universidad Autónoma Agraria Antonio NarroSaltillo25315México Centro de Investigación en Química Aplicada Saltillo25294México Departamento de Horticultura Universidad Autónoma Agraria Antonio NarroSaltillo25315México

The metabolic activity of the fruits continues even after harvest,which results in the loss of bioactive compounds,a decrease in the quality of the fruits,softening and browning,among other negative *** use of certain elements such as silicon can improve postharvest quality,since it is involved in the metabolic,physiological and structural activity of plants,moreover can increase the quality of the *** addition,nanotechnology has had a positive impact on crop yield,nutritional value,fruit quality and can improve antioxidant *** these reasons,the use of beneficial elements such as silicon in the form of nanoparticles can be a viable option to improve the characteristics of the *** the present study was evaluated the application of potassium silicate(125,250 and 500 mg L^(−1))and SiO_(2) nanoparticles(125,250 and 500 mg L^(−1))during the development of the *** results showed that the application of silicon(potassium silicate and silicon nanoparticles)increased the content of total soluble solids(up to 15.6%higher than control),titratable acidity(up to 38.8%higher than control),vitamin C(up to 78.2%higher than control),phenols(up to 22%higher than control),flavonoids(up to 64.6%higher than control),and antioxidant activity in lipophilic compounds(up to 56.2%higher than control).This study suggests that the use of silicon can be a good option to increase the content of bioactive compounds in cucumber fruits when they are applied during the development of the crop.

关键词： Fruit quality Nanotechnology Silicon nanoparticles Potassium silicate Antioxidant compounds Antioxidant capacity

Copper nanoparticles as a potential emerging pollutant:Divergent effects in the agriculture,risk-benefit balance and integrated strategies for its use

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Emerging Contaminants 2024年第4期10卷 39-53页

作者： Gonzalo Tortella Olga Rubilar Paola Fincheira Javiera Parada Halley Caixeta de Oliveira adalberto benavides-mendoza Sebastian Leiva Martín Fernandez-Baldo Amedea BSeabra Centro de Excelencia en Investigacion Biotecnologica Aplicada al Medio Ambiente(CIBAMA) Facultad de Ingeniería y CienciasUniversidad de La Frontera4811230TemucoChile Departamento de Ingeniería Química Facultad de Ingeniería y CienciasUniversidad de La Frontera Temuco-ChileChile Department of Animal and Plant Biology University of LondrinaPR 445km 380CEP 86047-970LondrinaPRBrazil Departamento de Horticultura Universidad Autonoma Agraria Antonio Narro25315SaltilloMexico Estudiante Ingeniería Civil Química Departamento de Ingeniería QuímicaFacultad de Ingeniería y CienciasUniversidad de La Frontera4811230TemucoChile INQUISAL Departamento de QuímicaUniversidad Nacional de San LuisSan LuisArgentina Center for Natural and Human Sciences Universidade Federal do ABCSanto AndreBrazil

At the forefront of agricultural innovation,copper-based nanoparticles(Cu-based NPs)have seized global attention in recent years,revolutionizing fields as diverse as electronics,medicine,and,notably,*** prowess in combating phytopathogenic microorganisms,boosting plant yield and de-fenses,and their dual role as pesticides or fertilizers-depending on the dosage-positions them at the epicenter of exciting scientific ***,this is a two-edged sword:the environmental impact of Cu-based NPs is an escalating *** release of these particles post-use raises serious questions about the accumulation of toxic copper levels in soil and,consequently,in *** a market with rising metal nanoparticles,a deeper exploration is essential to balance the benefits and risks associated with Cu-based NPs in *** review synthesizes the state-of-the-art Cu-based NP synthesis,their application as antimicrobial agents,pesticides,and fertilizers,and their interactions with soil,highlighting its advantages and ***,we delve into future perspectives,spotlighting the research gaps in Cu-based NP studies that beckon for attention in the coming years.

关键词： Cu-based NPs Agriculture Plant growth Pest control Soil interaction

Concentration of Salicylic Acid in Tomato Leaves after Foliar Aspersions of This Compound

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American Journal of Plant Sciences 2014年第13期5卷 2048-2056页

作者： Enrique Guzmán-Téllez Daniel Díaz Montenegro adalberto benavides-mendoza Departamento de Horticultura Universidad Autónoma Agraria Antonio Narro Saltillo México Laboratorios Agroenzymas S.A. de C.V. Tlalnepantla México

Increased plant tolerance to stress may be chemically induced with applications of salicylic acid (SA). The aim of this study was to determine the change in the SA leaf concentration over time in response to the SA spraying in leaves of greenhouse grown tomato. In sprayed leaves the SA concentration showed changes over time similar to the reported responses to environmental stress. Two days after the first application, the SA foliar concentration reached the maximum of 8 μg·g-1, equivalent to twice the amount observed in the control plants. SA decreased until it reached the level of control plants eight days later. A second application showed actually the same response, but with a faster decline of SA in two days. According to the results of this assay, SA applications on tomato should be performed within a minimum interval of eight days in order to maintain the SA concentration related with the increase in plant tolerance to environmental stress.

关键词： Chemically Induced Resistance Defense Signaling Elicitor

Development of a Rapid and Efficient Liquid Chromatography Method for Determination of Gibberellin A4 in Plant Tissue, with Solid Phase Extraction for Purification and Quantification

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American Journal of Plant Sciences 2014年第5期5卷 573-583页

作者： Julia Medrano Macías Rahim Foroughbakhch Pournavab Manuel Humberto Reyes-Valdés adalberto benavides-mendoza Departamento de Fitomejoramiento Universidad Autónoma Agraria Antonio Narro Saltillo México Departamento de Horticultura Universidad Autónoma Agraria Antonio Narro Saltillo México Facultad de Ciencias Biológicas Universidad Autónoma de Nuevo León San Nicolás de los Garza México

A new, rapid and efficient reverse phase Liquid Chromatography (RP-LC) method was developed for determination of Gibberellin A4 (GA4) in samples of flower stalk of Dasylirion cedrosanum and vegetative tissue of Epithelantha micromeris. Purification of GA4 was carried out by solid phase extraction (SPE), in Epithelantha micromeris. In the chromatography method was obtaining a retention time of 2.1 min, using Hypersil GOLD C-18 column (100 × 4.6 mm dim and size particle 5 μ), mobile phase 50/50 acetonitrile/water and a flow 1.0 ml/min. Detection was carried out by a UV detector set at 205 nm, and a quantization limit of 0.4 mg/L. The obtained correlation coefficient was 0.995.

关键词： Dasyrilon cedrosanum Epithelantha micromeris Phytohormone Separation Plant Growth Regulators Reverse Phase Liquid Chromatography Solid Phase Extraction

Dynamic modeling of mineral contents in greenhouse tomato crop

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Agricultural Sciences 2014年第2期5卷 114-123页

作者： Antonio Juárez-Maldonado adalberto benavides-mendoza Karim de-Alba-Romenus América B. Morales-Díaz Departamento de Horticultura Universidad Autónoma Agraria Antonio Narro Saltillo México Robótica y Manufactura Avanzada Centro de Investigación y Estudios Avanzados (CINVESTAV) Saltillo México

Tomato is one the most important vegetables worldwide and mineral nutrition in tomato crops is considered as the second most important factor in crop management after water availability. Mathematical modeling techniques allow us to design strategies for nutrition management. In order to generate the necessary information to validate and calibrate a dynamic growth model, two tomato crop cycles were developed. Several mineral analyses were performed during crop development to determine the behavior of N, P, K, Ca, Mg and S in different organs of the plant. Regression models were generated to mimic the behavior of minerals in tomato plants and they were included in the model in order to simulate their dynamic behavior. The results of this experiments showed that the growth model adequately simulates leaf and fruit weight (EF > 0.95 and Index > 0.95). As for harvested fruits and harvested leaves, the simulation was less efficient (EF < 0.90 and Index < 0.90). Simulation of minerals was suitable for N, P, K and S as both, the EF and the Index, had higher values than 0.95. In the case of Ca and Mg, simulations showed indices below 0.90. These models can be used for planning crop management and to design more appropriate fertilization strategies.

关键词： Licopersicon Esculentum Mathematical Modeling Simulation Crop Growth Nutrition Management

Effect of the Application of Produced Water on the Growth, the Concentration of Minerals and Toxic Compounds in Tomato under Greenhouse

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Journal of Environmental Protection 2013年第7期4卷 138-146页

作者： José Fernando Martel-Valles adalberto benavides-mendoza Luis Alonso Valdez-Aguilar Antonio Juárez-Maldonado Norma Angélica Ruiz-Torres Departamento de Fitomejorma- miento Universidad Autónoma Agraria Antonio Narro Saltillo México. Departamento de Horticultura Universidad Autónoma Agraria Antonio Narro Saltillo México

During the production of petroleum and gas a by-product, known as congenital water, is obtained, which varies in composition depending on the geological formation from which it is extracted. In the industrial process its composition is modified and then it is known as “produced water”. These waters can contain high concentrations of mineral salts that can potentially be used for crop fertilization. The aim of this study was to evaluate the effects of the application of produced water on the mineral contents of the plants and levels of BTEX and TPH in the fruits of greenhouse tomato cultivation. The produced waters used were derived from gas producing zone of Sabinas-Piedras Negras in northern Mexico. These waters were analyzed according to NOM-143-SEMARNAT-2003. Waters from three different stations, (Buena Suerte, Forasteros and Monclova 1), were mixed with fresh water to obtain the treatment waters used. As a control, we used a complete Steiner solution. The results showed that the produced waters modified the absorption of essential minerals in tomato plants;it was observed that the mineral concentration in plant tissues was highest in the control plants, except for Na, in which the plants irrigated with produced water had the highest concentrations. The treatments with produced waters also affected negatively the root length, leaf dry weight, stem dry weight, number of fruits per plant, and the dry weight of the fruits.

关键词： Congenital Water Salt Content THP NOM-143-SEMARNAT-2003

Hydrogen production from dry reforming of methane,using CO_(2)previously chemisorbed in the Li_(6)Zn_(1-x)Ni_(x)O_(4)solid solution

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Journal of Environmental Sciences 2025年第3期149卷 535-550页

作者： Yocelin B.González-González Fernando Plascencia-Hernández Rubén mendoza-Cruz Heriberto Pfeiffer Instituto de Investigaciones en Materiales Universidad Nacional Autónoma de MéxicoCircuito exterior s/nCiudad UniversitariaDel.CoyoacánCP 04510CdMxMexico

Li_(6)ZnO_(4)was chemically modified by nickel addition,in order to develop different compositions of the solid solution Li_(6)Zn_(1-x)Ni_(x)O_(4).These materials were evaluated bifunctionally;analyzing their CO_(2)capture performances,aswell as on their catalytic properties for H_(2)production via dry reforming of methane(DRM).The crystal structures of Li_(6)Zn_(1-x)Ni_(x)O_(4)solid solution samples were determined through X-ray diffraction,which confirmed the integration of nickel ions up to a concentration around 20 mol%,meanwhile beyond this value,a secondary phase was *** results were supported by XPS and TEM ***,dynamic and isothermal thermogravimetric analyses of CO_(2)capture revealed that Li_(6)Zn_(1-x)Ni_(x)O_(4)solid solution samples exhibited good CO_(2)chemisorption efficiencies,similarly to the pristine Li_(6)ZnO_(4)chemisorption trends ***,a kinetic analysis of CO_(2)isothermal chemisorptions,using the Avrami-Erofeev model,evidenced an increment of the constant rates as a function of the Ni *** Ni^(2+)ions incorporation did not reduce the CO_(2)capture efficiency and kinetics,the catalytic properties of thesematerialswere evaluated in the DRM *** demonstrated that nickel ions favored hydrogen(H_(2))production over the pristine Li_(6)ZnO_(4)phase,despite a second H2 production reaction was determined,methane ***,Li_(6)Zn_(1-x)Ni_(x)O_(4)ceramics can be employed as bifunctional materials.

关键词： Dry reforming of methane(DRM) CO_(2)chemisorption H_(2)production Solid solution Li_(6)ZnO_(4)

Dietary supplementation of valine,isoleucine,and tryptophan may overcome the negative effects of excess leucine in diets for weanling pigs containing corn fermented protein

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Journal of Animal Science and Biotechnology 2025年第1期16卷 267-281页

作者： Andrea P.Mallea Charmaine D.Espinosa Su A Lee Minoy A.Cristobal Leidy J.Torrez‑mendoza Hans H.Stein Division of Nutritional Sciences University of IllinoisUrbanaIL 61801USA Department of Animal Sciences University of IllinoisUrbanaIL 61801USA Present Address:EnviroFlight RaleighNCUSA.

Background Diets with high inclusion of corn co-products such as corn fermented protein(CFP)may contain excess Leu,which has a negative impact on feed intake and growth performance of pigs due to increased catabolism of Val and Ile and reduced availability of Trp in the brain for serotonin ***,we hypothesized that the negative effect of using CFP in diets for weanling pigs may be overcome if diets are fortified with crystalline sources of Val,Trp,and(or)*** Three hundred and twenty weanling pigs were randomly allotted to one of 10 dietary treatments in a com-pletely randomized design,with 4 pigs per pen and 8 replicate pens per treatment.A corn-soybean meal diet and 2 basal diets based on corn and 10%CFP or corn and 20%CFP were *** additional diets were formu-lated by fortifying the basal diet with 20%CFP with Ile,Trp,Val,Ile and Val,Ile and Trp,Trp and Val,or Ile,Trp and Val.A two-phase feeding program was used,with d 1 to 14 being phase 1 and d 15 to 28 being phase *** scores were recorded every other *** samples were collected on d 14 and 28 from one pig per *** d 14,fecal samples were collected from one pig per pen in 3 of the 10 treatments to determine volatile fatty acids,ammonium concen-tration,and microbial *** pigs were also euthanized and ileal tissue was *** There were no effects of dietary treatments on any of the parameters evaluated in phase *** of 10%or 20%CFP in diets reduced(P<0.05)final body weight on d 28,and average daily gain(ADG)and average daily feed intake(ADFI)in phase 2 and for the entire experimental ***,pigs fed the CFP diet supplemented with Val,Ile,and Trp had final body weight,ADFI,ADG and gain to feed ratio in phase 2 and for the entire experiment that was not different from pigs fed the control *** scores in phase 2 were reduced(P<0.05)if CFP was *** Corn fermented protein may be included by up to 20%in diets for weanling pi

关键词： Branched-chain amino acids Corn fermented protein Leucine Tryptophan Valine Weanling pigs

Synthesis identification analysis for closed loop system

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Journal of Systems Engineering and Electronics 2021年第4期32卷 939-946页

作者： WANG Jianhong RICARDO A.Ramirez-mendoza School of Electronic Engineering and Automation Jiangxi University of Science and TechnologyGanzhou 343100China School of Engineering and Sciences Tecnologico de MonterreyMonterrey 64849Mexico

The existing theories for closed loop identification with the linear feedback controller are very *** apply the existed theories directly in the control field,we propose a new idea about replacing the original unknown and nonlinear feedback controller with one approximated linear controller,while guaranteeing the equivalent property for the obtained closed loop *** on some statistical correlation functions,one condition is derived to show the equivalent property between the approximated linear controller and the original nonlinear *** detailed explicit form,corresponding to the approximated linear controller,is also ***,to give a complete analysis for closed loop identification,the cost function is rewritten as one extended expression,being convenient to *** spectral estimation is introduced to identify the unknown plant in the closed loop ***,the proposed theories are verified by one simulation example.

关键词： synthesis analysis closed loop system simplified function equivalent controller