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Multilateral Tariff Negotiations when Production is Fixed
( Mendez Naya,Jose ),( Mendez Naya,Luciano ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 2002 Journal of Economic Integration Vol.17 No.4
This paper contributes to analysis of the extent to which multilateral trading agreements reached under GATT can liberalize the world economy. Its main conclusion is that free trade is not sustainable if production is fixed exogenously and utility is non-transferable. If production is fixed and utility is transferable, free trade is possible but is not necessary for maximization of welfare.
Essential oil impregnation into graphene sponges with electric desorption control
Mendez, Jose Antonio Cabello,Bueno, Jose de Jesus Perez,Valencia, Jorge Ivan Mendoza,Soto, Jonathan Soto,Lopez, Maria Luisa Mendoza,Guerrero, Mizraim Uriel Flores Techno-Press 2022 Advances in nano research Vol.12 No.6
This work shows the impregnation of scents using a graphene sponge (GS). This was functionalized by the modified Hummers method, pursuing to add different functional groups. It is proposed to achieve the release and seek to control it through electrical potential applied to the graphene sponge with essential oils. The graphene sponge was functionalized and steeped with two kinds of oil. The electrochemical study demonstrates the variation in the electrochemical behaviour of the functionalized graphene sponge without and impregnated with oil. The release of the oil and its aromatic scents was carried out by applying an electrical potential of 30 V, with a release rate of 1.86 mg/min. The heating of the sample that causes the release of oil, associated with the electrical resistance of the system, reaches temperatures of about 150℃. The essential oils, graphene sponge, surfactant, graphene sponge with essential oils, graphene sponge recuperated after applying electric potential, graphene sponge recovered by temperature and dipropylene glycol (DPG) were characterized using Fourier transformed infrared spectroscopy (FTIR), digital microscopy, and x-ray photoelectron spectroscopy (XPS).
Therapeutic Effect of Fucoidan on Metabolic Diseases: Experimental Data and Clinical Evidence
Miriam Mendez-del Villar,Karina G. Perez-Rubio,Karina G. Perez-Rubio,Marisol Cortez-Navarrete 한국식품영양과학회 2022 Journal of medicinal food Vol.25 No.11
The rising prevalence of metabolic diseases represents a major challenge to public health worldwide. Therefore, there is a strong need to conduct research on the effectiveness of complementary and alternative therapies for metabolic disorders. Fucoidan is a fucose-enriched and sulfated polysaccharide extracted from ubiquitous brown seaweed. The antihypertensive, antidiabetic, antiobesity, and hypolipidemic effects of fucoidan have been reported in preclinical research and clinical trials. This study aims to review the mechanisms of action and the experimental and clinical use of different types of fucoidan for the treatment of metabolic diseases.
Miriam Mendez-del Villar,Ana M. Puebla-Perez,Maria J. Sanchez-Pena,Luis J. Gonzalez-Ortiz,Esperanza Martinez-Abundis,Manuel Gonzalez-Ortiz 한국식품영양과학회 2016 Journal of medicinal food Vol.19 No.5
To evaluate the effect of Artemisia dracunculus on glycemic control, insulin sensitivity, and insulin secretion in patients with impaired glucose tolerance (IGT). A randomized, double blind, placebo-controlled clinical trial was performed in 24 patients with diagnosis of IGT. Before and after the intervention, glucose and insulin levels were measured every 30 min for 2 h after a 75-g dextrose load, along with glycated hemoglobin A1c (A1C) and lipid profile. Twelve patients received A. dracunculus (1000 mg) before breakfast and dinner for 90 days; the remaining 12 patients received placebo. Area under the curve (AUC) of glucose and insulin, total insulin secretion, first phase of insulin secretion, and insulin sensitivity were calculated. Wilcoxon signed-rank, Mann–Whitney U, and chi-square tests were used for statistical analyses. The institutional ethics committee approved the protocol. After A. dracunculus administration, there were significant decreases in systolic blood pressure (SBP; 120.0 ± 11.3 vs. 113.0 ± 11.2 mmHg, P < .05), A1C (5.8 ± 0.3 vs. 5.6% ± 0.4%, P < .05), AUC of insulin (56,136.0 ± 27,426.0 vs. 44,472.0 ± 23,370.0 pmol/L, P < .05), and total insulin secretion (0.45 ± 0.23 vs. 0.35 ± 0.18, P < .05), with a significant increase in high-density lipoprotein cholesterol (HDL-C) (1.3 ± 0.3 vs. 1.4 ± 0.3 mmol/L, P < .05). There were no significant differences after placebo administration. A. dracunculus administration for 90 days in patients with IGT significantly decreased SBP, A1C, AUC of insulin, and total insulin secretion with a significant increase in HDL-C levels.
Economic Integration, Non-tariff Barriers and Social Welfare
( Jose Mendez Naya ),( Aitor Calo Blanco ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 2005 Journal of Economic Integration Vol.20 No.2
This paper analyses the extent to which preferential trade agreements can lead to the substitution of non-tariff barriers for tariffs, and the effects of non-tariff barriers on welfare and other parameters. Its main results are that non-tariff barriers reduce aggregate welfare, and that the governments of economically integrated countries replace tariffs by non-tariff barriers if and only if their priority is protection of their nations` firms.
( Oswaldo Mendez Ramirez ) 한국스페인어문학회(구 한국서어서문학회) 2011 스페인어문학 Vol.0 No.59
En Mexico, la promulgacion de las leyes de reforma bajo el regimen de Benito Juarez marco un momento importante para el pluralismo religioso y el establecimiento de las iglesias protestantes. Los proyectos para penetrar, hacer proselitismo y expandirse por parte de estas iglesias fueron acompanados generalmente por actividades educativas. La Iglesia Adventista del Septimo Dia fue fundada como un grupo sectario que se separo de las iglesias protestantes tradicionales (luteranos, calvinistas, anglicanos, bautistas, metodistas, presbiterianos) predicando un discurso apocaliptico y ahora se presenta a la sociedad como una asociacion que esta cumpliendo una labor practico social perfilada hacia el campo educativo. Bajo el concepto de educacion moral, reproducen metodos pedagogicos, valores morales, concepciones culturales y conductas sociales diferentes a las que la educacion publica ensena. El proposito de este trabajo es hacer un estudio interpretativo de las relaciones, practicas y creencias de la Iglesia Adventista del Septimo Dia con respecto a la accion pedagogica, indicando como estas transmiten un sistema de valores. Todo esto se lleva a cabo en el contexto de una comunidad tradicionalista e historicamente Catolica Romana de la ciudad de Mexico.
Effect of Irvingia gabonensis on Metabolic Syndrome, Insulin Sensitivity, and Insulin Secretion
Miriam Mendez-del Villar,Manuel Gonzalez-Ortiz,Esperanza Martınez-Abundis,Karina G. Perez-Rubio,Marisol Cortez-Navarrete 한국식품영양과학회 2018 Journal of medicinal food Vol.21 No.6
The aim of this study was to evaluate the effect of Irvingia gabonensis on metabolic syndrome (MetS), insulin sensitivity, and insulin secretion. A randomized, double-blind, placebo-controlled clinical trial was performed in 24 patients with MetS in accordance with the International Diabetes Federation criteria. Twelve patients received I. gabonensis (150 mg) twice a day during 90 days, and 12 patients received placebo. Glucose and insulin concentrations were measured during a 2-h oral glucose tolerance test. Also, lipid profile, creatinine, uric acid, and hepatic enzymes were determined. The area under the curve (AUC) of glucose and insulin, total insulin secretion, first phase of insulin secretion, and insulin sensitivity were calculated. Data were tested using non-parametric tests. The Ethics Committee approved the protocol. After I. gabonensis administration, significant decreases in waist circumference (WC) (94.0 ± 8.0 vs. 91.0 ± 8.2 cm, P < .01), glucose 90' (10.0 ± 2.5 vs. 8.6 ± 2.7 mmol/L, P < .05), glucose 120' (8.8 ± 2.4 vs. 7.6 ± 2.7 mmol/L, P < .05), triglycerides (2.5 ± 1.2 vs. 2.0 ± 1.1 mmol/L, P < .05), very low-density lipoproteins (VLDL) (0.5 ± 0.2 vs. 0.4 ± 0.2 mmol/L, P < .05), and AUC of glucose (694 ± 142 vs. 629 ± 172 mmol/L/min, P < .05) were found. Seven patients (58.3%) of the I. gabonensis group showed remission of MetS and two patients (16.7%) of the placebo group (P = .045). I. gabonensis lead to remission of MetS in 58.3% of the patients and significantly decreased WC, glucose 90', glucose 120', triglycerides, VLDL, and AUC of glucose.
¿México: revolución truncada o democracia intempestiva?
Oswaldo Mendez-Ramirez 부산외국어대학교 중남미지역원 2010 이베로아메리카 Vol.12 No.2
To make a critical revision on the inherited social problems throughout the time in Mexico, not always turns out to be easy task, especially when the subject is lent to approach it from diverse perspective, one of them, the educative one. To analyze the low quality of the educative supply is complex subject. One of the maximum profits of institutional revolutionary Mexico was the creation of the Public Education Ministry in 1921. In the post-revolutionary and modern period, the seventies were characterized to be applied to the growth the infrastructure and the fortification of the educative system following the policy of “modernization and development”. From the eighties, to lift the quality of the education was considered like one of the specific rules in the strategy of the call “educative revolution”. In the nineties, through political programs and agreements, structural changes within the educative system were carried out with the intention to lift the quality of the services. In synthesis, the perspective in the educative policy of Mexico during the last thirty years of century xx, or post-revolutionary period, can be understood, from at least five specific conditions: educative profits in cover, modifications in the educational programs and contents, profits in the political agreements between the agents who take part within the educative system, changes and modifications to the laws applicable to the education, and; the search of the fairness through the compensatory programs. This paper tries to give answer to questions such as: The educative system reflects the ideals of the revolution? The present educative system is the product of a truncated revolution or the fruit of an untimely democracy?