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Presence of Sargassum horneri at Todos Santos Bay, Baja California, Mexico: Its Effects on the Local Macroalgae Community

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American Journal of Plant Sciences 2015年第17期6卷 2693-2707页

作者： Giuliana I. Cruz-Trejo Silvia E. Ibarra-Obando Luis E. Aguilar-Rosas Miriam Poumian-tapia Elena Solana-Arellano Marine Ecology Department CICESE Ensenada México Ocean Resources Department CINVESTAV-IPN Mérida México Instituto de Investigaciones Oceanológicas Universidad Autónoma de Baja California Ensenada México

To describe the annual cycle of Sargassum horneri in Mexican waters, we selected two sites differing in their degree of wave exposure and sediment type: Rincón de Ballenas (RB), and Rancho Packard (RP). From June 2009 to April 2010 we followed the seasonal changes in S. horneri density and biomass along two intertidal transects per site. The effects of this non-indigenous species on the local macroalgae community were assessed by comparing their species composition, density, biomass, species richness, and diversity index in quadrats with and without S. horneri. There were significant differences in S. horneri density and biomass between sites (P < 0.001). At RB the invasive alga density average was 2 ± 0.94 individual m-2, with a mean biomass of 4 ± 0.95 g DW m-2. At RP, S. horneri density average was 10 ± 0.96 individual m-2, and mean biomass of 102 ± 0.97 g DW m-2. At RB, the invasive alga promoted a significant reduction in the four selected structural variables, and the corticated macrophytes and the foliose functional forms were severely reduced. At RP, there were only marginally significant effects (P = 0.06) of S. horneri presence on the local macroalgae community, and higher density, biomass, and diversity values were found when S. horneri was present. Most of the functional forms were found, even if the invasive alga was present. At both locations, the highest biomass corresponded to the articulated calcareous functional form. These contrasting results could be due to the fact that the native macroalgae community has already been altered by the early invasion of S. muticum, with the most resilient species and functional forms remaining in place. One of the most important changes we noticed is the severe reduction of the canopy forming species at both sites.

关键词： Annual Cycle Community Structure Diversity Index Functional Forms Invasive Alga Species Richness

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西班牙Madreselva住宅

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现代装饰 2020年第6期 38-45页

作者： David Olmos tapia lvo Tavares Studio(摄影) 郭映琴(编译) David Olmos Arquitectos 不详

本案是一家庭住宅,建于阿斯图里亚斯沿海城市萨利纳斯,住宅所在地是一梯形地块,坐落在两个不同的住宅区之间,一边是联排别墅综合体,另一边则是独栋家庭住宅。该项目试图通过遵循Madreselva街上联排别墅的界限以及完全面对着天神公园(Dev... 详细信息

本案是一家庭住宅,建于阿斯图里亚斯沿海城市萨利纳斯,住宅所在地是一梯形地块,坐落在两个不同的住宅区之间,一边是联排别墅综合体,另一边则是独栋家庭住宅。该项目试图通过遵循Madreselva街上联排别墅的界限以及完全面对着天神公园(Deva Park)的独栋住宅的空隙,以协调住宅周边的环境。

关键词： Madreselva

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Self-Evaluation of Masters in Nursing Program: Postgraduates’ Networks

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Open Journal of Nursing 2020年第11期10卷 1056-1067页

作者： Diana Cecilia tapia-Pancardo Gandhy Ponce-Gómez Graciela González-Juárez Alejandra Valencia-Cruz Daniela Cocolotl-González Rodrigo Montero Díaz Graduate and Research Division Biomedicine Unit Faculty of Higher Studies Iztacala National Autonomous University of Mexico Tlalnepantla Mexico Masters in Nursing Coordination Program National School of Nursing and Obstetrics National Autonomous University of Mexico Mexico City Mexico Faculty of Psychology National Autonomous University of Mexico Mexico City Mexico National Pedagogical University-Ajusco Mexico City Mexico National School of Nursing and Obstetrics National Autonomous University of Mexico Mexico City Mexico

Background: To ensure quality and relevance of Postgraduate Programs are a commitment of the National Quality Postgraduate Programs (PNPC), and those from UNAM. Then, the self-evaluation of the Masters in Nursing Program (PME) is necessary for it to be part of the PNPC. This study focuses on self-evaluation of implementation mechanisms to assure effective communication and collaboration with and among graduated alumni. Methods: The research was qualitative, exploratory and descriptive. An informed consent was signed by four informants, graduated from the seventeenth generation of PME. Data collection from a focal group and descriptive data analysis by *** from guidance questions that were contrasted with the scale value from PME curriculum. Results: Four categories emerged from PME graduated alumni: Category I, Professional academic performance, Category II, International activities attendance, Category III, Academic networks, and Category IV, Higher satisfaction of international activities. Conclusions: It is concluded that self-evaluation shows a graduate’s vision of conditions and networks where PME develops. Masters in Nursing Program fulfills graduates expectancy to create networks, which will contribute to knowledge and recognition of professional practice, as well as on the area’ opportunities opening for better contributions.

关键词： Master in Nursing Program Self-Evaluation Graduates Networks

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World Journal of Gastroenterology 2013年第30期19卷 4877-4886页

作者： María Gómez-García Maria José Cabello-tapia Antonio Damián Sánchez-Capilla Javier De Teresa-Galván Eduardo Redondo-Cerezo Inflammatory Bowel Disease Unit Department of GastroenterologyUniversity Hospital Virgen de Las Nieves18014 GranadaSpain Department of Gastroenterology University Hospital Virgen de Las Nieves18014 GranadaSpain Endoscopy Unit Department of GastroenterologyUniversity Hospital Virgen de Las Nieves18014 GranadaSpain

AIM:To investigate the incidence of neoplasms in inflammatory bowel disease(IBD)patients and the potential causative role of ***:We performed an observational descriptive study comparing the incidence of malignancies in IBD patients treated with thiopurines and patients not treated with these *** included 812 patients which were divided in two groups depending on whether they have received thiopurines or *** have studied basal characteristics of both groups(age when the disease was diagnosed,sex,type of IBD,etc.)and treatments received(Azathioprine,mercaptopurine,infliximab,adalimumab or other immunomodulators),as well as neoplasms *** analysis was performed with the student t test,χ 2 test or Wilcoxon exact test as appropriate.A logistic regression analysis was performed as multivariate *** significance was establish at P values of less than 0.05,and 95%CI were used for the odds ***:Among 812 patients included,429(52.83%)have received thiopurines:79.5% azathioprine,14% mercaptopurine and 6.5% both drugs.44.76% of patients treated with thiopurines and 46,48% of patients who did not receive this treatment were women(P > 0.05).The proportion of ulcerative colitis patients treated with thiopurines was 30.3% compare to 66.67% of patients not treated(P < 0.001).Mean azathioprine dose was 123.79 ± 36.5 mg/d(range:50-250 mg/d),mean usage time was 72.16 ± 55.7 mo(range:1-300 mo)and the accumulated dose along this time was 274.32 ± 233.5 g(1.5-1350 g).With respect to mercaptopurine,mean dose was 74.7 ± 23.9 mg/d(range:25-150 mg/d),mean usage time of 23.37 ± 27.6 mo(range:1-118 mo),and the accumulated dose along this time was 52.2 ± 63.5 g(range:1.5-243 g).Thiopurine S-methyltransferase activity was tested in 66% of patients treated with thiopurines,among which 98.2% had an intermediate or high *** the patients treated with thiopurines,27.27%(112 patients)and 11.66%(50 patients)received treatment

关键词： Malignancy Neoplasm Inflammatory bowel disease Crohn’s disease Ulcerative colitis Thiopurines Azathioprine Mercaptopurine

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Identification of life habits factors as risk for gastritis and colitis occurrence in a mestizo population of Chabeklumil, Chiapas, México

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Open Journal of Nursing 2012年第2期2卷 67-71页

作者： Diana Cecilia tapia-Pancardo Ramiro Jesús-Sandoval Myrna Miriam Valera-Mota José Luis Cadena-Anguiano Miguel Murguía-Romero Rafael Villalobos-Molina Carrera de Cirujano Dentista FES Iztacala Universidad Nacional Autónoma de México Tlalnepantla México Carrera de Médico Cirujano FES Iztacala Universidad Nacional Autónoma de México Tlalnepantla México Carrera de Optometría FES Iztacala Universidad Nacional Autónoma de México Tlalnepantla México División de Investigación y Posgrado FES Iztacala Universidad Nacional Autónoma de México Tlalnepantla México

Aim: Gastric diseases are a recent trend in morbidity in México. We aimed to identify most frequent life habits factors as risk for gastritis and colitis occurrence, in a Mexican mestizo population in Chabeklumil, Chiapas. Population: This study was observational, descriptive, transversal and prospective;346 questionnaires were applied to individuals of both genders from 11 years of age, with low income and socio-economic status, after they signed the informed consent. An individual file was created by the nurses in Chabeklumil. The predominant gender in the population was female (56.1%), with a distribution of 166 among adulthood (19 - 59 years of age);among males (43.9%), 133 included adults. Results: We identified the following environmental risk factors to develop gastritis and colitis: long periods of daily fasting > consumption of irritant food and drink > stress, in females;in contrast, males reported alcohol and tobacco consumption > irritant food and drink > long periods of daily fasting > stress. We found statistical differences (P < 0.05) in risk factors between females and males, in drugs and alcohol consumption, fasting, and stress, but not in consumption of irritant foods, nor in colitis and gastritis prevalence. Conclusions: Females are most affected by life habits risk factors for gastritis/colitis, which occurs mainly due to lifestyle and “macho” culture, since women are precluded of a better living standard, they work hard in the field, and start early in the day without consuming a meal, which they eat late in the day once arriving home. People in Chabeklumil eat/drink a lot of irritant food like hot pepper and coffee, which damage the gastrointestinal system leading to gastritis and colitis. Furthermore, men started to consume drugs at early ages, a condition also involved in developing gastritis.

关键词： Gastritis Colitis Life Habits Risk Factors Poverty Mexican Mestizo Population

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Review: Neuronal Differentiation Protocols of Mesenchymal Stem Cells

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Advances in Bioscience and Biotechnology 2022年第1期13卷 15-71页

作者： Miguel A. Jiménez-Acosta Lory Jhenifer Rochín Hernández Mayte Lizeth Padilla Cristerna José tapia-Ramírez Marco A. Meraz-Ríos Department of Molecular Biomedicine Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional Instituto Politécnico Nacional México City México Department of Genetic and Molecular Biology Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional Instituto Politécnico Nacional México City México

Mesenchymal stem cells (MSCs) are self-renewing cells found in almost all postnatal organs and tissues in the perivascular region. These cells present multiple characteristics that make them candidates to be applied in cell therapy for neurodegenerative diseases, such as their secretory action, migration to the lesion area, and immunomodulatory potential. These cells have a high capacity for mesodermal differentiation;however, numerous studies have shown that MSCs can also differentiate into neurons. However, despite positive results in multiple trials in which undifferentiated MSCs transplanted into animal models of neurodegenerative diseases, some studies suggest that the therapeutic effects obtained are enhanced by the use of MSCs differentiated towards the neuronal lineage before transplant. In this sense, there are several methods to induce in vitro reprogramming of MSCs towards the neuronal lineage, including chemical substances, growth factors, cocultures with neural lineage cells, transfection of genes, miRNAs, etc., and small molecules stand out. Therefore, this article compares multiple experimental tests in which these inducers promote neuronal differentiation of MSCs and identify those methods that originate an optimal neuronal differentiation. The analysis includes the percentage of differentiation, maturation, expression of neuronal markers, functionality, and cell survival considering the intrinsic characteristics of the MSCs used as the tissue of origin and the species from which they were isolated.

关键词： Mesenchymal Stem Cells Transdifferentiating Neuronal Differentiation Small Molecules miRNA Neural Induction

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Territorial Planning for Coastal Zones in Chile:The Need for Geographical-Environmental and Natural Risk Indicators for Spatial Decision Support Systems

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International Journal of Geosciences 2013年第6期4卷 17-29页

作者： Fernando Pena-Cortes Daniel Rozas-Vasquez Gonzalo Rebolledo Jimmy Pincheira-Ulbrich Miguel Escalona Enrique Hauenstein Luis Vargas-Chacoff Carlos Bertran Jaime tapia Marco Cisternas Laboratorio de Planificacion Territorial Nucleo de Investigacion en Estudios AmbientalesUniversidad Catolica de TemucoTemucoChile Programa de Doctorado en Sistematica y Biodiversidad Universidad de ConcepcionConcepcionChile Escuela de Ciencias Ambientales Facultad de Recursos NaturalesUniversidad Catolica de TemucoTemucoChile Instituto de Ciencias Marinas y Limnologicas Universidad Austral de ChileValdiviaChile Instituto de Quimica de Recursos Naturales Universidad de TalcaTalcaChile Escuela de Ciencias del Mar Pontificia Universidad Catolica de ValparaisoValparaisoChile

Coastal zones are very dynamic and fragile environments, constituting a landscape ever more heterogeneous, fragmented and with increasing levels of complexity due to the changing relationship between man and nature. Integrated coastal zone management therefore requires detailed knowledge of the system and its components, based—to a large extent—on technical and scientific information. However, the information generated must be in line with the political requirements necessary for decision-making and planning. Thus the use of indicators to give a simplified view of the many components of the territory, and at the same time to provide important information about patterns or trends, becomes a tool of the utmost importance. These indicators can be understood as measurable characteristics of the environment, which facilitate comprehension of the processes occurring at different scales and serve as a reference to inform the population and support decision-making. The aim of the present note is to demonstrate briefly the need to develop geographical-environmental and natural risk indicators to facilitate comprehension of the dynamic of spatial and temporal landscape patterns, particularly in coastal environments. This approach offers an historical summary of the natural, socio-economic and political processes which currently make up the territory, and which without doubt will continue to influence it in the future. At the same time, it is proposed that information should be integrated on the basis of this framework with a view to generating spatial decision support systems in a context of planning and integrated management of the coastal zones of Chile.

关键词： Coastal Zone Territorial Planning Indicators Spatial Decision Support System Chile

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Electrospinning Polylactic Acid Polymer Membranes as Biological Sieve for Yeast and Bacteria

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Materials Sciences and Applications 2022年第6期13卷 389-400页

作者： Ernesto Suaste-Gómez Grissel Rodríguez-Roldán Ilian Pérez-Solis Ana Laura Torres-Huerta Carlos Cruz-Cruz José tapia-Ramírez Department of Electrical Engineering Section of Bioelectronics Center for Research and Advanced Studies of the National Polytechnic Institute (CINVESTAV) Mexico City Mexico National Laboratory of Experimental Services (LaNSE) CINVESTAV Mexico City Mexico Department of Genetics and Molecular Biology CINVESTAV Mexico City Mexico

Vaginal infections are suffered by millions of women of reproductive age. Recent research has shown that timely diagnosis of these infections avoids complications in the patient’s health. Since the symptoms of infections caused by yeast and bacteria are similar, the patient is not always treated properly. Membranes with three different thicknesses (66 μm, 83 μm, 128 μm) were produced by electrospinning of polylactic polymer (PLA) and were used as a biological sieve to detect microorganisms present in vaginal infections, bacteria or yeasts. Electrospinning technique is a technique that allows the generation of membranes from nanofibers of material polymeric and therefore, obtaining porous structures. The size of the fibers was observed as well as the morphology and the size of the pores, using the scanning electron microscopy (SEM). The effectiveness of these membranes was proven by the cultivation of the bacteria that passed through the polymeric membrane and the yeasts retained by it. The membranes allowed the retention of yeasts of Candida albicans type with dimensions of 7 μm, which allowed the separation of Brevibacterium ravens purgense bacteria with dimensions of 1.4 μm, thus demonstrating their effectiveness as biological sieve.

关键词： Biological Sieve Electrospinning Polylactic Acid Vaginal Infections

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墨西哥铜冶炼厂铜浇铸机的发展

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有色设备 1992年第2期6卷 56-59页

作者： A.Rodriguez Chavoya C.tapia Alvarado 邵育贤

冶炼厂投产后,由于阳极实际质量差,废阳极率超过80％。而且阳极产量仅仅是设备生产能力的20％。这两个条件影响纳科萨里冶炼厂生产。本文报道墨西哥冶炼厂浇铸机的发展和降低废阳极率低于5％,同时增长生产率至90％的改进。

关键词：铸机铜冶炼厂阳极铜铸锭机设备生产能力液压装置科萨铜水精炼厂温度控制

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Ethanol Effects on Cortical EEG Correlation and Sexual Behavior in Male Rats

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Journal of Behavioral and Brain Science 2014年第2期4卷 92-98页

作者： Miguel Angel Guevara Marisela Hernández-González Mayra Linné Almanza-Sepúlveda Diego Radberto Chapa García Abascal Pilar Durán Carolina Sotelo tapia Fabricio Luna Torres Departamento de Biología Celular Facultad de Ciencias Universidad Nacional Autónoma de México México DF México Instituto de Neurociencias Universidad de Guadalajara Guadalajara Jalisco México

Ethanol affects sexual behavior drastically, as much as its execution as well as its motivation. Ethanol is a central nervous system depressant and the prefrontal cortex (PFC) is one of the cortical areas most sensitive to its effects. This prefrontal area participates in the modulation of the cognitive control, and furthermore, by mean of connections with the parietal cortex (PC) plays an important role in the processing of sexually relevant stimuli. Considering that it has been reported that the ethanol affects the proper functioning of these cortical areas, particularly decreasing the degree of electroencephalographic (EEG) coupling or correlation between them, the aim of this study was to characterize the effect of a low dose of ethanol on EEG correlation, as well determining if this effect is associated with impaired sexual behavior in male rats. Nine male rats unilaterally implanted were simultaneously recorded the EEG from the PFC and PC to calculate the degree of EEG synchronization (correlation, r) between both cortices during the first 40 minutes post administration of 0.75 g/kg of ethanol. At the end of the EEG recording, the males were submitted to copulatory behavior with a receptive female rat. The ethanol administration was associated with a decreased intrahemispheric correlation of the fast bands between PFC and PC, as well as with an increased mount and intromission latency. This data showed that ethanol in moderate doses decreased the coupling degree between cortices. It is likely that this functional disconnection between the PFC and PC after the ethanol administration could be associated with the difficulty in discriminating incentive value of the sexual stimuli so that decreased the sexual motivation but not the performance of the copulatory parameters in the male rat.

关键词： Ethanol Sexual Behavior EEG Prefrontal Cortex Parietal Cortex Rat

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