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      • Class and Gender Discourses in Mobile Phones

        Lourdes M. Portus(루르드 포터스) 한국방송학회 2005 한국방송학회 세미나 및 보고서 Vol.- No.-

        This paper explores how, and in what context, gender and class figure in the acquisition, use and sense-making of the mobile phone by selected residents of a Filipino urban poor community. The study ascertains whether mobile phones playa significant role in the construction of the informants' newfound or enhanced lifestyles and social relationships. In the whole enquiring process, the study discovers how class and gender roles contribute to the meanings ascribed to the mobile phone. Using the Social Construction and Cultural Studies Theories, the study argues that gender and class inform the continuous construction of varied perceptions, relationships, roles and values of the informants and their constantly changing situation. This meaning-making activity occurs in different contexts among different types of informants (men, women, youth and leaders) - with class and gender as significant factors - indicative of the complex composition of urban poor within a squatter community, such as, Sitio San Roque of Quezon City, Philippines. Drawing on the results of focus group discussions, key informant interviews and ocular inspections, the researcher constructs a socio-demographic and technology profile of the informants and their community. She discovers that, despite their poor condition, the informants already possess a relatively high level of technological acquisitions and competencies. In addition, the study revealed the subtle and enduring influence of conventional and mainstream societal beliefs the productive-reproductive divide, i.e., the men's dominance in the household and the women's responsibility for taking care of the home, children and husband. Furthermore, she learns from the data constructed that, the urban poor informants, possess awareness of the consumerist and commercial values that mobile phone companies are promoting through media. They also recognize the tactical use of the mobile phone in waging political action, and recognition of the positive and negative effects of the mobile phone on social networks and personal relationships. Veering away from McLuhan's Technology Determinism, the study discerns that factors, such as gender and class playa part in the informants' use of the mobile phone and sense-making activity. It comes up with a conclusion that the mobile phone can become an arena for gender and class discourse and could aid in the enhancement or deterioration of self-identities, relationships and personal development.

      • KCI등재

        Design and Validation of On-chip Planar Mixer Based on Advection and Viscoelastic Effects

        Lourdes Albina Nirupa Julius,Veerendra Kalyan Jagannadh,Issac J Michael,Rajesh Srinivasan,Sai Siva Gorthi 한국바이오칩학회 2016 BioChip Journal Vol.10 No.1

        Mixing at low Reynolds number is usually due to diffusion and requires longer channel lengths for complete mixing. In order to reduce the mixing lengths, advective flow can be induced by varying the channel geometry. Additionally, in non-newtonian fluids, appropriate modifications to channel geometry can be used to aid the mixing process by capitalizing on their viscoelastic nature. Here we have exploited the advection and viscoelastic effects to implement a planar passive micro-mixer. Microfluidic devices incorporating different blend of mixing geometries were conceived. The optimum design was chosen based on the results of the numerical simulations performed in COMSOL. The chosen design had sudden expansion and contraction along with teeth patterns along the channel walls to improve mixing. Mixing of two different dyes was performed to validate the mixing efficiency. Particle dispersion experiments were also carried out. The results indicated effective mixing. In addition, the same design was also found to be compatible with electrical power free pumping mechanism like suction. The proposed design was then used to carry out on-chip chemical cell lysis with human whole blood samples to establish its use with non-newtonian fluids. Complete lysis of the erythrocytes was observed leaving behind the white blood cells at the outlet.

      • SCOPUSKCI등재
      • KCI등재후보

        D-003 and Warfarin Interaction on the Bleeding Time and Venous Thrombosis Experimentally Induced in Rats

        Mar? Lourdes Arruzazabala,Vivian Molina,Daisy Carbajal,Rosa M? 한국식품영양과학회 2004 Journal of medicinal food Vol.7 No.2

        D-003 is a mixture of higher aliphatic primary acids isolated and purified from sugarcane wax, the main component of which is octacosanoic acid. D-003 exhibits a cholesterol-lowering effect as well as antiplatelet and antithrombotic effects in experimental models. Warfarin is a coumarin derivative with anticoagulant activity that acts as a vitamin K antagonist. Since in clinical practice warfarin and D-003 could be administered together, the objective of this study was to evaluate the effects of the simultaneous administration of both drugs on the bleeding time and the venous thrombosis experimentally induced in rats. The combined therapy of minimally effective doses of D-003 and warfarin produced an antithrombotic effect significantly higher than those produced by each monotherapy. Likewise, the prolongation of bleeding time induced by warfarin was increased by the simultaneous administration with D-003, showing a synergistic effect between both drugs.

      • KCI등재후보

        Tagalog-English Code Switching as a Mode of Discourse

        Maria Lourdes S. Bautista 서울대학교 교육연구소 2004 Asia Pacific Education Review Vol.5 No.2

        The alternation of Tagalog and English in informal discourse is a feature of the linguistic repertoire of educated, middle- and upper-class Filipinos. This paper describes the linguistic structure and sociolinguistic functions of Tagalog-English code switching (Taglish) as provided by various researchers through the years. It shows that the analysis of Taglish began with a linguistic focus, segmenting individual utterances into sentences and studying the switch points within the sentence. Other studies were more sociolinguistic in nature and investigated the functions of code switching. Recently, Taglish has been viewed as a mode of discourse and a linguistic resource in the bilingual’s repertoire. New theoreticians working within a Critical Discourse Analysis framework are seeing Taglish as a reaction to the hegemonizing tendencies of Philippine society and modern life.

      • Slide Session : OS-HEM-02 ; Hematology : Incidence and Hospital Mortality of Venous Thrombo-embolic Disease Among Clinical and Surgical Inpatients

        ( Maria Lourdes Posadas Martinez ),( Fernando Javier Vazquez ),( Fernan Gonzalez Bernaldo De Quiros ),( Liliana Paloma Rojas ),( Gabriel Dario Waisman ),( Diego Hernan Giunta ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1

        Background: Venous thromboembolism (VTE) is the most common cause of preventable mortality in hospitalized patients. On plus, pulmonary embolism (PE) is responsible for 5-10% of all hospital deaths. Objective: To estimate the incidence density (ID) and hospital mortality of VTE among clinical and surgical inpatients. Methods: Prospective cohort, during a period of 7 years, of incident cases of VTE, PE, and deep venous thrombosis (DVT), in patients of 17 years and older, hospitalized at the internal medicine and surgery department of a tertiary care hospital in Buenos Aires. Fatality rate of patients with VTE was calculated. Results: 2042 episodes of VTE were registered. Sixty two percent (1258) were patients from the Internal Medicine Service: 635 cases (95%, CI:601-671) presented VTE, 446 cases (95%, CI:418-476) presented DVT and 286 cases (95% CI:264-311) presented PE per 1000 person-days of hospitalization. For patients hospitalized at surgery department: 102 cases (95%, CI:96-110), 83 (95%, CI: 77-90) and 31 cases (95%, CI: 27-35) per 1000 person-days of hospitalization presented VTE, DVT and PE respectively. The VTE represented between 3 to 9 % of hospital deaths, it increases with age independently of being clinical or surgical inpatients. Conclusions: In Argentina, there are few data of incidences of VTD and hospital mortality in patients with VTE. This information may be important when assessing the need for resources for prevention, diagnosis and treatment in hospitals.

      • SCIESCOPUSKCI등재

        Morphological and molecular characterization of the genus Coolia (Dinophyceae) from Bahía de La Paz, southwest Gulf of California

        Morquecho, Lourdes,Garate-Lizarraga, Ismael,Gu, Haifeng The Korean Society of Phycology 2022 ALGAE Vol.37 No.3

        The genus Coolia A. Meunier 1919 has a global distribution and is a common member of epiphytic dinoflagellate assemblages in neritic ecosystems. Coolia monotis is the type species of the genus and was the only known species for 76 years. Over the past few decades, molecular characterization has unveiled two species complexes that group morphologically very similar species, so their limits are often unclear. To provide new knowledge on the biogeography and species composition of the genus Coolia, 16 strains were isolated from Bahía de La Paz, Gulf of California. The species were identified by applying morphological and molecular approaches. The morphometric characteristics of all isolated Coolia species were consistent with the original taxa descriptions. Phylogenetic analyses (large subunit [LSU] rDNA D1 / D2 and internal transcribed spacer [ITS] 1 / 5.8S / ITS2) revealed a species assemblage comprising Coolia malayensis, C. palmyrensis, C. tropicalis, and the C. cf. canariensis lineage. This is the first report of Coolia palmyrensis and C. cf. canariensis in Mexico and C. tropicalis in the Gulf of California. Our results strengthen the biogeographical understanding of these potentially harmful epiphytic dinoflagellate species.

      • KCI등재

        Methodology for the Selection of the Representative Climate Scenario at Yongdam Watershed

        Micah Lourdes Felix,노선희,김영규,정관수 대한토목학회 2023 KSCE Journal of Civil Engineering Vol.27 No.8

        The four representative concentration pathways (RCP) scenarios presented in the fifth Assessment Report (AR5) is still widely used by researchers to assess the future effects of climate change in water resources management. However, the lack of providing scientific basis in the selection and application of climate scenarios in numerical models can further increase the uncertainties in the results. Therefore, this study aims to present an analytical and practical methodology for the selection of the representative climate scenario at Yongdam watershed. Based on the findings presented in this study, RCP6.0 scenario best represented the daily minimum temperature at Yongdam watershed for the past decade; the daily precipitation was best represented by RCP4.5 scenario. Furthermore, all four climate scenarios had the tendency to overestimate the magnitude and frequency of precipitation, which is an important factor that should be considered in the selection of climate scenarios. The results and methodology presented in this study can serve as a guideline in the selection of the most applicable climate scenario in other regions.

      • KCI등재

        마닐라 지역의 가정용 우수저류시설 잠재가용성 분석

        Micah Lourdes A. Felix,Marla C. Maniquiz,서성호,김이형,정상만 한국습지학회 2011 한국습지학회지 Vol.13 No.3

        필리핀의 연평균강수량은 약 965mm ~ 4, 100mm로 수자원이 비교적 풍부하다. 필리핀의 최근 급증하는 도시화로 인해, 필리핀의 마닐라 지역에서는 용수의 수요량이 매년 증가하는 추세이다. 용수의 부족을 해소시키기 위해 필리핀의 풍부한 수자원을 적절하게 사용하여야 하며, 이를 위한 방법 중의 하나로 강우의 유출수를 이 용하는 우수저류시설이 가용하다고 판단된다. 따라서 본 연구에서는 마닐라 주거지역에서의 우수저류시설에 대한 잠재가용성을 분석하였으며, 그 방법으로는 일별강우, 유역면적, 유출계수, 인구밀도 그리고 용수수요량 등을 매개변수로 사용하는 물수지방정식을 이용하였다. 세 가지 강우조건(연평균 강우중 최소, 중간, 최대값)과 세 가지 화장실종류(저효율식, 재래식, 절수식)에 따른 가정용수탱크 사용에 대하여 분석하였다. 그리고 대상지역에서의 최적의 강우 저장 면적을 결정하기 위해 월류용적을 사용하였다. 연구결과 세 가지 강우조건에서, 재래식과 절수식 화장실이 우수저류시설에 가장 부합되며, 60m3저류용량의 탱크는 3개월간 90가구의 용수수요를 충분히 공급가능 하다고 나타났다. 본 연구를 통해 주거지역의 장기간 용수수요를 충족시키기 위해서는 저류탱크 용량은 1, 100m3~2, 500m3이 적당하다고 판단된다.

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