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Isabel Ñiguez Sevilla,Francisco Machado Linde,Maria del Pilar Marín Sánchez,Julián Jesús Arense,Amparo Torroba,Anibal Nieto Díaz,Maria Luisa Sánchez Ferrer 대한부인종양학회 2019 Journal of Gynecologic Oncology Vol.30 No.4
Objective: Patients with endometriosis are at increased risk of ovarian cancer. It has been suggested that atypical endometriosis is a precursor lesion of endometriosis-associated ovarian cancer (EAOC). The aim of this study is to evaluate if cytologic (cellular) atypia and architectural atypia (hyperplasia), histologic findings described as atypical endometriosis, play a different role in patients with EAOC. Methods: A prospective study was conducted between January 2014 and April 2017 at our institution with patients undergoing surgery with a histologic diagnosis of endometriosis, ovarian cancer, or EAOC. The prevalence and immunohistologic study (Ki-67, BAF250a, COX-2) of cases of cellular and architectural atypia in endometriosis were analyzed. Results: Two hundred and sixty-six patients were included: the diagnosis was endometriosis alone in 159 cases, ovarian cancer in 81, and EAOC in 26. Atypical endometriosis was reported in 23 cases (12.43%), 39.13% of them found in patients with EAOC. Endometriosis with cellular atypia was found mainly in patients without neoplasm (71.4%), and endometriosis with architectural atypia was seen in patients with ovarian cancer (88.9%) (p=0.009). Ki-67 was significantly higher in endometriosis patients with architectural atypia than those with cellular atypia. Conclusion: The diagnosis of endometriosis with architectural atypia is important because it may be a precursor lesion of ovarian cancer; therefore, pathologists finding endometriosis should carefully examine the surgical specimen to identify any patients with hyperplasia-type endometriosis, as they may be at higher risk of developing EAOC.
Tracing the Impacts of Mining among Women in Philippine Rural Communities
Farah Y. SEVILLA 이화여자대학교 아시아여성학센터 2015 이화여자대학교 아시아여성학센터 학술대회자료집 Vol.2015 No.1
In the Philippines, large-scale mining impacts on women vary— from the violation of her rights to the different ways in which mining impacts her surroundings. As Tauli-Corpus (1997) put it, while mining has impacts on communities in general, there are disproportionate impacts on women in comparison to men. Furthermore, given the gendered impacts of such aggressive development sideby-side with gender inequality, the woman in question responds differently. However, her struggle against mining is an issue that is often sidelined. This paper aims to explore ways in which mining impacts women in mining-affected communities, specifically, there is a focus on Nueva Vizcaya (Northern Luzon) in terms of how they face this challenge. Essentially, this paper is a careful presentation of how the impacts of mining on society in general differ with women members of the community. There is also the recognition of the role of women as important actors in the struggle for rights, against the impacts of mining on the land, the environment and communities.
Food-Feed Systems in Asia - Review -
Devendra, C.,Sevilla, C.,Pezo, D. Asian Australasian Association of Animal Productio 2001 Animal Bioscience Vol.14 No.5
This review paper discusses the relevance and potential importance of food-feed systems in Asian agricultural systems, and in particular the role and contribution of legumes to these systems. A food-feed system is one that maintains, if not increases, the yield of food crops, sustains soil fertility, and provides dietary nutrients for animals. It involves a cropping pattern within which the feed crop has many beneficial effects without competing for land, soil nutrients and water with the food crops. The agricultural environment is described with reference to the priority agro-ecological zones and prevailing mixed farming systems in Asia. Within these systems, animal production is severely hampered by critical feed shortages which can however, be alleviated by the integration of suitable leguminous forages into the cropping systems. The review also focuses on the role and potential importance of leguminous forages in terms of biodiversity, their uses in farming systems, beneficial effects on animal performance, and draws attention to six case studies in different countries that clearly demonstrate many benefits of developing such food-feed systems. Considerable opportunities exist for widening the use of forage legumes in the development of systems with several complementary advantages (e.g. fenceline, cover crops, fodder banks, forage source and erosion control) to improve the development of sustainable crop-animal systems in Asia.
Gu, Wentian,Sevilla, Marta,Magasinski, Alexandre,Fuertes, Antonio B.,Yushin, Gleb The Royal Society of Chemistry 2013 Energy & environmental science Vol.6 No.8
<P>Synthesis of S-doped activated carbons (ACs) by carbonization and simultaneous activation of S-based polymers was found to be an efficient route to produce porous carbons for double layer capacitors (EDLCs) with high specific energy and power densities combined with low self-discharge. Here we investigate for the first time the processing-structure–property relationships related to the formation of polythiophene-derived ACs for EDLC applications. Sulfide bridges present in the polymer precursor were found to depress the shrinkage of the smallest micropores during the carbonization process and allow for the enhanced ion transport within the produced AC electrodes. The cyclic voltammetry (CV) measurements on S-doped ACs produced at 800 and 850 °C showed high specific capacitance (up to ∼200 F g<SUP>−1</SUP>) and no significant self-discharge in neutral aqueous electrolytes. More importantly, these capacitance values remained virtually identical for a sweep rate increasing from 1 to 50 mV s<SUP>−1</SUP>. The observed capacitance retention is quite remarkable for thick electrodes of ∼200 μm and a large AC particle size of 10–100 μm. It indicates great potential of the proposed synthesis technology for EDLCs operating at high frequencies and high currents. In the course of our systematic studies of AC performance in different electrolytes we found a strong correlation between the large pseudocapacitance and the significant self-discharge in ACs. We harness the difference between the characteristic times required to establish a double layer and that of the pseudocapacitive redox reactions and propose a simple method to estimate the fraction of pseudocapacitance. The proposed method is particularly valuable in cases when CV measurements do not show clear characteristic reduction–oxidation peaks.</P> <P>Graphic Abstract</P><P>Synthesis of S-doped activated carbons (ACs) by carbonization and activation of S-based polymers was found to be an efficient route to produce porous carbons for double layer capacitors with high specific energy and power densities. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c3ee41182f'> </P>
SO(10) unified models and soft leptogenesis
Chun, Eung-Jin,Velasco-Sevilla, Liliana Institute of Physics Pub 2007 The journal of high energy physics Vol.2007 No.8
Motivated by the fact that, in some realistic models combining SO(10) GUTs and flavour symmetries, it is not possible to achieve the required baryon asymmetry through the CP asymmetry generated in the decay of right-handed neutrinos, we take a fresh look on how deep this connection is in SO(10). The common characteristics of these models are that they use the see-saw with right-handed neutrinos, predict a normal hierarchy of masses for the neutrinos observed in oscillating experiments and in the basis where the right-handed Majorana mass is diagonal, the charged lepton mixings are tiny. In addition these models link the up-quark Yukawa matrix to the neutrino Yukawa matrix <I>Y</I><SUP>ν</SUP> with the special feature of <I>Y</I><SUP>ν</SUP><SUB>11</SUB> &to; 0. Using this condition, we find that the required baryon asymmetry of the Universe can be explained by the soft leptogenesis using the soft <I>B</I> parameter of the second lightest right-handed neutrino whose mass turns out to be around 10<SUP>8</SUP> GeV. It is pointed out that a natural way to do so is to use no-scale supergravity where the value of <I>B</I> ∼ 1 GeV is set through gauge-loop corrections.
Howlader, M.M.R.,Capitan, S.S.,Eduardo, S.L.,Sevilla, C.C.,Roxas, N.P. Asian Australasian Association of Animal Productio 1996 Animal Bioscience Vol.9 No.4
Comparison of body weight changes of does infected with Haemonchus contortus (treatment groups 2 &3) and uninfected does (control group) was made using weekly body weight measurements over 35 weeks. The animals in treatment group 2 weighted significantly (p < 0.05) less than animals in the control group from the 5th week to the end of the experiment. Does in treatment group 3 had significantly (p < 0.05) lighter body weight than control does from the 13th week to the end of the study. The animals in control group gained an average of 0.75 kg. On the other hand, animals in infected groups 2 and 3 lost an average of 3.90 kg and 4.13 kg body weight, respectively. The animals in groups 2 and 3 also had significantly (p < 0.05) lower preslaughter and hot carcass weights than the controls.