• Journal of the Korean Society of Safety
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• v.34 no.2
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• pp.28-33
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• 2019

After the Tianjin Port explosion on 2015, it is highlighted that securing safety for dangerous goods in Korea and try to establish safety standards for railroad dangerous substances transport. In Korea, the regulation for the transport of dangerous goods is stipulated to need 3 buffer cars. However, It is inefficient that 3 buffer cars. because 3 buffer cars, increase transportation too much costs in transit and it is too strict compared to other country rules. The purpose of this study was to improve transportation efficiency by mitigating the criteria for isolated railroads through rational safety assessment. In order to verify this, we used a risk assessment software which is PHAST 7.2 developed by DNV GL. We calculated safety distances that could prevent ignitions setting up scenarios when relief system work installed on a train loaded with propylene, nonane. As a result, we confirmed that buffer cars can be reduced from three to one. This result would be implemented in the application of Korail.

• Tuberculosis and Respiratory Diseases
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• v.82 no.2
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• pp.94-101
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• 2019

Nontuberculous mycobacteria (NTM) are ubiquitous organisms that are generally found not only in the natural environment but also in the human engineered environment, including water, soil, and dust. These organisms can form biofilms and can be readily aerosolized because they are hydrophobic owing to the presence of the lipid-rich outer membrane. Aerosolization and subsequent inhalation were the major route of NTM lung disease. Water distribution systems and household plumbing are ideal habit for NTM and the main transmission route from natural water to household. NTM have been isolated from drinking water, faucets, pipelines, and water tanks. Studies that used genotyping have shown that NTM isolates from patients are identical to those in the environment, that is, from shower water, showerheads, tap water, and gardening soil. Humans are likely to be exposed to NTM in their homes through simple and daily activities, such as drinking, showering, or gardening. In addition to environmental factors, host factors play an important role in the development of NTM lung disease. The incidence and prevalence of NTM lung disease are increasing worldwide, and this disease is rapidly becoming a major public health problem. NTM lung disease is associated with substantially impaired quality of life, increased morbidity and mortality, and high medical costs. A more comprehensive understanding of the infection source and epidemiology of NTM is essential for the development of new strategies that can prevent and control NTM infection.

• Clinical and Experimental Pediatrics
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• v.64 no.8
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• pp.415-421
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• 2021

Background: Antibiotic resistance is associated with longer hospitalizations, higher treatment costs, and increased morbidity and mortality rates. Purpose: This study aimed to determine the prevalence of methicillin-resistant Staphylococcus aureus (MRSA) in Iranian children. Methods: International databases, including Web of Science, PubMed, Embase, and Scopus, and Iranian databases, including Scientific Information Database (www.sid.ir), Magiran, and Iranian Database for Medical Literature (idml.research.ac.ir), were systematically searched for articles published between January 2000 and August 2019. Sources of heterogeneity were determined using subgroup analysis and meta-regression. Results: Overall, 343 studies were identified; of them, 20 were included in the meta-analysis to estimate the pooled prevalence. The pooled prevalence of MRSA was 42% (95% confidence interval [CI], 29-55) among culture-positive cases of S. aureus, 51% (95% CI, 39-62) in hospitalized children, and 14% (95% CI, 0.05-27) in healthy children. Conclusion: The overall pooled prevalence of MRSA in children was 42%. Appropriate infection control measures and effective antibiotic therapy are needed.

• Journal of Distribution Science
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• v.20 no.7
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• pp.57-64
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• 2022

Purpose: The government of India has initiated the Covid-19 Vaccination drive from early January 2021. Vaccination is identified to be best option to protect the people across the globe. However, owing to fast wide spread of the Covid-19, the Vaccine Distribution is a major challenge owing various issues like temperature control, infrastructure, hesitancy, geographical diversity, and other critical factors. Various research is carried out globally to understand and study the Vaccine Distribution issues based on the respective country issues and factors. Research Design, Data, and Methodology: This research paper attempts to explore prominent factors that could be taken up on priority for better and effective vaccination program. The study tries to rank various factors and sub-factors affecting vaccine distribution in India. AHP methodology based on feedback from 22 experts from the Vaccine industry has been deployed to get the desired results. Result: The results show that factors vaccine approval process, geographical prioritization, power supply, infrastructure maintenance costs for vaccine storage, and vaccine pricing are the prominent factors of effective vaccination in the country. Conclusion: The role and need for district-level health officers towards vaccine storage has been brought forward. A long-term effective vaccination policy is needed for optimum vaccine distribution.

• Journal of Electrochemical Science and Technology
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• v.13 no.1
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• pp.1-18
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• 2022

Persistent organic pollutants (POPs) and emerging pollutants (EP) are characterized by their difficulty to be removed through biological oxidation processes (BOPs); they persist in the environment and could have adverse effects on the aquatic ecosystem and human health. The electro-oxidation (EO) process has been successfully used as an alternative technique to oxidize many kinds of the aforementioned pollutants in wastewater. However, the EO process has been criticized for its high energy consumption cost and its potential generation of by-products. In order to decrease these drawbacks, its combination with biological oxidation processes has been reported as a solution to reduce costs and to reach high rates of recalcitrant pollutants removal from wastewaters. Thus, the location of EO in the treatment line is an important decision to make, since this decision affects the formation of by-products and biodegradability enhancement. This paper reviews the advantages and disadvantages of EO as a pre and post-treatment in combination with BOPs. A perspective of the EO scale-up is also presented, where hydrodynamics and the relationship of A/V (area of the electrode/working volume of the electrochemical cell) experiments are examined and discussed.

• The Journal of Korean Medicine
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• v.43 no.2
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• pp.42-50
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• 2022

Objectives: The purpose of this study is to investigate the characteristics of female infertility patients who come to Korean medicine clinics and analyze the trends of Korean medicine treatment methods and the effects of female infertility by registry data. Methods: We are recruiting study participants from Korean medicine hospitals and clinics. If female infertility patients come, we will ask them to register for this study. After enrollment, we will collect demographic information, treatment methods, pregnancy results, adverse events, and treatment costs. Result: First, we will analyze the characteristics of patients, the status of the use of Korean medicine treatment interventions, the cost status of Korean medicine infertility treatment, and the delivery characteristics of pregnant women after Korean medicine treatment. Second, we will analyze the effectiveness of Korean medicine treatment. The primary outcome is clinical pregnancy rate, and secondary outcomes are 12-week pregnancy maintenance rate, degree of dysmenorrhea and premenstrual syndrome, stress level, and health-related quality of life score. Discussion: This study is the first observational multi-center study in Korea for female infertility. By establishing the registry, we are creating a resource that contains patient-reported outcome measures for female infertility. The registry is expected to provide valuable data for developing Korean medicine Clinical practice guidelines for female infertility.

• Membrane Journal
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• v.32 no.5
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• pp.304-313
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• 2022

There is evidence that the presence of active pharmaceutical ingredient (APIs) are a danger for aquatic ecosystems and the human health. The presence of APIs such as tetracycline, an antibiotic, in water causes antimicrobial resistance (AMR) in microorganisms inflicting enormous costs on individuals and society. Membranes embedded with catalysts such as TiO₂ or bismuth based catalysts degrade and separate the organic effluents from wastewater. The photocatalytic activity of the catalysts can be enhanced with noble metal doping and addition of carbonaceous materials and formation of heterojunction with other semiconductors. The recollection of photoctalysts is possible through the immobilization of the photocatalysts in polymeric membranes. In this review, the degradation of antibiotics in water is discussed.

• Journal of Oriental Neuropsychiatry
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• v.34 no.1
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• pp.1-12
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• 2023

Objectives: To standardize treatment, improve quality of medical service, and reduce medical costs of patients with depression by developing a clinical pathway (CP) of Korean medicine. Methods: CP was developed based on clinical practice guideline (CPG) for depression. To consider the degree of economic burden and satisfaction, the current status of management for patients with depression was examined. After CP was primarily developed, contents of the CP were supplemented by referring to previously developed CPs. Results: Based on CPG, current status survey and previous CP, four types of CP (Korean medicine clinics, Korean medicine hospitals, Western-Korean medicine collaborative hospitals, public medical center) were developed and shown in the algorithm version. However, in the case of Korean medicine hospitals and Western-Korean medicine collaborative hospitals, CPs were detailed according to different clinical scenes of outpatients and inpatients. This study also shows six different time task matrix version. Conclusions: CP for depression is expected to not only reduce financial burden of patients and health insurance, but also increase the quality of treatment and satisfaction.

• Journal of Korean Society of Industrial and Systems Engineering
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• v.46 no.2
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• pp.168-175
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• 2023

In the era of the 4th Industrial Revolution, Logistic 4.0 using data-based technologies such as IoT, Bigdata, and AI is a keystone to logistics intelligence. In particular, the AI technology such as prognostics and health management for the maintenance of logistics facilities is being in the spotlight. In order to ensure the reliability of the facilities, Time-Based Maintenance (TBM) can be performed in every certain period of time, but this causes excessive maintenance costs and has limitations in preventing sudden failures and accidents. On the other hand, the predictive maintenance using AI fault diagnosis model can do not only overcome the limitation of TBM by automatically detecting abnormalities in logistics facilities, but also offer more advantages by predicting future failures and allowing proactive measures to ensure stable and reliable system management. In order to train and predict with AI machine learning model, data needs to be collected, processed, and analyzed. In this study, we have develop a system that utilizes an AI detection model that can detect abnormalities of logistics rotational equipment and diagnose their fault types. In the discussion, we will explain the entire experimental processes : experimental design, data collection procedure, signal processing methods, feature analysis methods, and the model development.

• International Journal of Advanced Culture Technology
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• v.12 no.2
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• pp.299-308
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• 2024

This study aims to explore improvement measures for the linkage system between the police and social welfare agencies in responding to domestic violence and child abuse issues in South Korea by comparing and analyzing the current systems in South Korea, the United States, and the United Kingdom. Despite the legal and institutional foundations for victim protection and perpetrator correction in each country, the effectiveness of actual cooperation faces several limitations. In South Korea, the level of cooperation is insufficient due to the lack of information sharing, role conflicts, and ambiguity of cooperation procedures. The United States and the United Kingdom operate more systematic cooperation programs, showing notable achievements in mental health crisis intervention and domestic violence response. To improve the linkage system in South Korea, this study proposes the following measures: (1) developing a clear cooperation protocol, (2) conducting regular education and training programs, (3) establishing an integrated information system, and (4) strengthening the victim-centered approach. Implementing these measures will contribute to more effective responses to domestic violence and child abuse issues, ultimately leading to a healthier and safer society by reducing social costs through victim protection and perpetrator correction.