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      • Biofouling effects on the performance of microbial fuel cells and recent advances in biotechnological and chemical strategies for mitigation

        Noori, Md.T.,Ghangrekar, M.M.,Mukherjee, C.K.,Min, Booki Elsevier 2019 Biotechnology advances Vol.37 No.8

        <P><B>Abstract</B></P> <P>The occurrence of biofouling in MFC can cause severe problems such as hindering proton transfer and increasing the ohmic and charge transfer resistance of cathodes, which results in a rapid decline in performance of MFC. This is one of the main reasons why scaling-up of MFCs has not yet been successfully accomplished. The present review article is a wide-ranging attempt to provide insights to the biofouling mechanisms on surfaces of MFC, mainly on proton exchange membranes and cathodes, and their effects on performance of MFC based on theoretical and practical evidence. Various biofouling mitigation techniques for membranes are discussed, including preparation of antifouling composite membranes, modification of the physical and chemical properties of existing membranes, and coating with antifouling agents. For cathodes of MFC, use of Ag nanoparticles, Ag-based composite nanoparticles, and antifouling chemicals is outlined in considerable detail. Finally, prospective techniques for mitigation of biofouling are discussed, which have not been given much previous attention in the field of MFC research. This article will help to enhance understanding of the severity of biofouling issues in MFCs and provides up-to-date solutions. It will be beneficial for scientific communities for further strengthening MFC research and will also help in progressing this cutting-edge technology to scale-up, using the most efficient methods as described here.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Adversity of biofouling in MFCs and up-to-date mitigation approaches is reviewed. </LI> <LI> State of art mechanism of biofouling development in MFCs is well explained. </LI> <LI> Disability of membrane and cathode functions due to biofouling development is analyzed. </LI> <LI> Methodologies to understand effect of biofouling on MFC's performance is elucidated. </LI> <LI> Present status and future challenges for scalable MFCs to curb biofouling is presented. </LI> </UL> </P>

      • KCI등재

        An Empirical Study on the Intention to Reuse Computational Science and Engineering Platforms: A Case Study of EDISON

        ( Noori On ),( Gi-myeong Ryu ),( Myoung-ju Koh ),( Jongsuk Ruth Lee ),( Nam-gyu Kim ) 한국인터넷정보학회 2020 KSII Transactions on Internet and Information Syst Vol.14 No.8

        The computational science and engineering field, which combines basic science and computing technology, has emerged as a third scientific methodology, following theories and experiments. This study aimed to identify factors and relationships that affect the continued use of the computational science and engineering (CSE) platform for its successful operation, utilization, and diffusion. To that end, the quality factors of the platform were derived by combining the information system success model and the technology acceptance model. These factors affected user satisfaction and intention to reuse through users’ perceived usefulness and perceived ease of use of the platform. An empirical analysis was conducted through a questionnaire survey of 373 users of the EDISON platform, a representative CSE platform in Korea. The results revealed that all quality factors have a positive influence on perceived usefulness and perceived ease of use. Specifically, information quality has a significant influence on perceived ease of use, and system quality has a significant influence on perceived usefulness. Perceived ease of use has a greater impact on user satisfaction than perceived usefulness, and satisfaction affects intention to reuse. The results can contribute to the development of CSE platforms and the development strategy to expand the number of users.

      • Inactivation efficacy of a non-thermal atmospheric pressure plasma generator against Mycobacterium tuberculosis

        ( Noori Lee ),( Sanghee Park ),( Jiyeon Kim ),( Keyyoung Kim ),( Daeyeon Kim ) 대한결핵 및 호흡기학회 2018 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.126 No.-

        Background: Tuberculosis is spreading from person to person through the air. When a person with infectious tuberculosis disease coughs or sneezes, tiny particles containing Mycobacterium tuberculosis are expelled into the air and remain suspended in the air for several hours. Therefore, it is important to control the transmission of M. tuberculosis through air. This study was conducted to determine the inactivation efficacy of the plasma generator against the M. tuberculosis. Methods: The attenuated M. tuberculosis H37Ra inoculated on the solid medium were placed in hospital wards and BL3 laboratory, and a plasma generator (Model TB-500, Shinyoung Airtech, Seongnam-si, Korea) was operated by time interval. The growth of M. tuberculosis was determined by plasma exposure time. Results: When M. tuberculosis was exposed to non-thermal plasma for 3, 6, 9, and 24 hours, the inhibition effects were 45-75%, 69-86%, 93-100%, and 100%, respectively. Thus, it was found that the inhibition effect of plasma generators against M. tuberculosis were proportional to the plasma exposure time. Conclusion: The non-thermal atmospheric pressure plasma generator may be applied as a promising technique for the prevention of M. tuberculosis infection in healthcare and other public facilities, if it is operated more than 9 hours. *This article has been accepted for publication on Korean J Healthc Assoc Infect Control Prev.

      • KCI등재후보

        Improvement in Human Semen Quality After Oral Supplementation of Vitamin C

        Noori S. Al-Waili,Mohammed Akmal,J.Q. Qadri,Shahiya Thangal,Afrozul Haq,Khelod Y. Saloom 한국식품영양과학회 2006 Journal of medicinal food Vol.9 No.3

        This study was carried out to monitor the effect of oral supplementation of vitamin C on various semen para-meters in oligospermic, infertile, otherwise healthy individuals. Various semen parameters, including sperm motility, spermcount, and sperm morphology, were studied before and after the vitamin C treatment. A total of 13 infertile patients were in-cluded. Their ages ranged between 25 and 35 years. They had no genital infection or varicocel. Physical examination andother routine laboratory investigations were normal. General semen analysis revealed oligozoospermia (mean sperm countwas 14.3. 7.38. 106 sperms/mL, mean sperm with normal morphology was 43. 7.87%, and mean sperm motility was31.2. 9.61%). Testicular biopsy was not done. These patients received in an open trial of 1,000 mg of vitamin C twice dailyfor a maximum of 2 months. Results showed that the mean sperm count was increased to 32.8. 10.3. 106 sperms/mL (P..001) after 2 months of vitamin C intake. The mean sperm motility was increased significantly to 60.1. 8.47% (P. .001),. 4.77% (P. .001). This study showed that vita-min C supplementation in infertile men might improve sperm count, sperm motility, and sperm morphology and might havea place as an additional supplement to improve the semen quality towards conception.

      • KCI등재

        Social capital and structural disadvantages: A case of Community‐Driven Development program in Afghanistan

        Noori Hadi 한국사회복지학회 2022 Asian Social Work and Policy Review Vol.16 No.1

        This paper analyzes and uses the National Solidarity Program (NSP) Afghanistan as a case study to question the idea of social capital building for poverty reduction. Specifically, it explores how development policy has been decoupled from its intended objectives as it hit the existing friction in the ground. The data draws from poor household experience in three different provinces of Afghanistan to assess how poor household is integrated into NSP and how existing social structure and relational dynamics shape the NSP outcomes. The finding reveals that household is experiencing a cluster of interlink disadvantages that make it impossible for them to draw on social capital to reduce their poverty. However, NSP failed to eliminate the asymmetrical relations which created poverty in rural society; instead, it boosted Neopatrimonialism culture.

      • KCI등재

        The Effect of an Empowerment Program on the Health-promoting Behaviors of Iranian Women Workers: A Randomized Controlled Trial

        Noori, Fatemeh,Behboodimoghadam, Zahra,Haghani, Shima,Pashaeypoor, Shahzad The Korean Society for Preventive Medicine 2021 예방의학회지 Vol.54 No.4

        Objectives: The workplace is an ideal place for encouraging health-promoting behaviors. Therefore, the aim of the present study was to determine the effect of an empowerment program on the health-promoting behaviors of women workers. Methods: This randomized clinical trial was conducted with 80 women workers employed at a food packaging facility in 2020. The subjects were selected using convenience sampling and were classified into intervention and control groups using block randomization. An empowerment program for women workers was conducted across 6 sessions based on an empowerment model. Data collection tools included a demographic questionnaire and the Health Promoting Lifestyle Profile-II, which participants completed both before the program and 8 weeks after the last session. Data analysis was performed in SPSS version 16 using descriptive analysis and inferential statistics. Results: There were no significant differences between the 2 groups in various health-promoting behaviors before the program. However, the intervention group's scores for nutrition (34.92±1.09 vs. 27.87±4.23), physical activity (24.40±2.94 vs. 17.40±5.03), stress management (26.35±2.60 vs. 23.05±4.27), spiritual growth (34.02±3.00 vs. 30.22±5.40), interpersonal relationships (30.82±2.38 vs. 27.60±4.61), and health responsibility (31.60±2.71 vs. 28.22±4.59) were significantly higher than the control group's 8 weeks after the program had ended. Moreover, there was a significant difference in the total score of health-promoting behaviors for the intervention group compared to the control group (179.00±9.22 vs. 151.42±20.25, p=0.001). Conclusions: An empowerment program for women workers led to significant improvements in the health-promoting behaviors of the participants. Similar programs can ultimately improve women's health in the workplace.

      • Korean Association for Clinical Oncology : Slide Session ; OP1-8 : Head & Neck Cancer ; Patterns of Neck Recurrence After Postoperative Radiotherapy for Squamous Cell Carcinoma of the Tonsil: A Korean Radiation Oncology Group 11-07 Study

        ( Noorie Choi ),( Chang Geol Lee ),( Yong Chan Ahn ),( Dongryul Oh ),( Sang Wook Lee ),( Hong Gyun Wu ),( Sung Ho Moon ),( Yeon Sil Kim ),( Young Taek Oh ),( O Kyu Noh ),( Jin Ho Kim ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1

        Background: Outcomes of postoperative radiotherapy(PORT) for squamous cell carcinoma of the tonsil were analyzed focusing on management and control of the neck.Methods: Medical records of 380 pathologically-confirmed tonsil cancer patients, treated with surgery and PORT from February 1993 to January 2011 at 15 institutions, were reviewed. Neck metastasis was absent(pN0) in 53(13.9%) and present(pN+) in 327(86.1%), of which 279(85.3%), 2(0.6%), and 46(14.1%) were ipsilateral, contralateral, and bilateral, respectively. Results: Neck irradiation(NI) was done in 346(91.1%) patients, while data was unavailable in 34(8.9%). After a median follow-up of 53 months, neck recurrence occurred in 28(7.4%) patients. Among the 53 pN0 patients, NI was ipsilateral-only, bilateral, and unknown in 25(47.2%), 21(39.6%), and 7(13.2%). One patient suffered from contralateral neck failure after an ipsilateral-only NI. For the 279 ipsilateral pN+ patients, NI was ipsilateral-only, bilateral, and unknown in 67(24.0%), 193(69.2%), and 19(6.8%). Neck recurrence occurred in 18(6.5%): 11(3.9%), 6(2.2%) and 1(0.4%) failed in the ipsilateral-only, contralateral-only, and bilateral neck. The 2 contralateral pN+ patients received bilateral NI and remained free of regional recurrence. NI data was available for 38(82.6%) of the 46 bilateral pN+ patients and all received bilateral NI. Three(6.5%), 2(4.3%) and 2(4.3%) patients recurred in the ipsilateral, contralateral, and bilateral neck. Conclusions: Because contralateral neck failure is rare in pN0 patients, elective NI may safely be confi ned to the ipsilateral neck-only. For pN+ patients, however, the risk of contralateral neck failure highly varies (3 to 10%). Thus clinicopathologic factors should be considered to justify the omission of contralateral NI for such heterogenous groups.

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