• 의료법학
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• 제15권2호
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• pp.123-163
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• 2014

As results of analyzing judicial precedents about infection in hospitals in connection with mistakes and causality in medical litigations shows that the Mitigation of Law Principles To Prove responsibility in medical litigation has not been able to play its role compared to its intended purposes. And Major sentiment from those judgments is that a mistake can't be proved only by the fact that certain infection in hospital occurred in connection with hospital infection. Therefore, the number of indirect facts to deny estimation is overwhelmingly high. Like this, especially for hospital infection which is difficult to prove indirect facts themselves to estimate mistake, major sentiment from those judgments have a problem that impute sharing of losses caused by hospital infection to patient. In accordance with the Principles of equitable and proper sharing of losses, it's required to prepare legal interpretation and theoretical methods to largely mitigate patient's responsibility to prove medical mistakes compared to other medical litigations in connection with existing Mitigation of Law Principles To Prove responsibility and conventional theory of estimation. In connection with this, the results of review that duty of safety management in hospital infection cases can be the base of conversion of proving responsibility, the duty that prevent hospital infection, corresponding the duty of safety management in hospital infection is not conventional duty of safety management based on duty of good faith but secondary obligation of medical contract. The breach of duty preventing hospital infection is the violation of medical contract, but there is no logical necessity that convert proving responsibility from the obligation of contract itself. Therefore, the duty of preventing hospital infection from the obligation of medical contract, corresponding the duty of safety management in hospital infection cases cannot be the base of conversion of proving responsibility alone. But, it's still required to conversion of proving responsibility in hospital infection, we need further studies on cases of Germany which applies legal estimation of proving responsibilities in hospital infection.

• International Journal of Computer Science & Network Security
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• 제24권5호
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• pp.205-211
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• 2024

The increasing number of botnet attacks incorporating new evasion techniques making it infeasible to completely secure complex computer network system. The botnet infections are likely to be happen, the timely detection and response to these infections helps to stop attackers before any damage is done. The current practice in traditional IP networks require manual intervention to response to any detected malicious infection. This manual response process is more probable to delay and increase the risk of damage. To automate this manual process, this paper proposes to automatically select relevant countermeasures for detected botnet infection. The propose approach uses the concept of flow trace to detect botnet behavior patterns from current and historical network activity. The approach uses the multiclass machine learning based approach to detect and classify the botnet activity into IRC, HTTP, and P2P botnet. This classification helps to calculate the risk score of the detected botnet infection. The relevant countermeasures selected from available pool based on risk score of detected infection.

• 한국균학회소식:학술대회논문집
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• 한국균학회 2015년도 춘계학술대회 및 임시총회
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• pp.49-49
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• 2015

Over the past decade, clubroot has emerged as a major constraint to canola (Brassica napus) production in central Alberta, Canada. The number of fields with confirmed P. brassicae infestations in Alberta has increased steadily from 12 in 2003 to nearly 2,000 in 2014. Management of clubroot on canola has focused on sanitization of field equipment, soil amendments to reduce viable pathogen populations, long rotations out of susceptible crops and cropping of resistant cultivars. Clubroot resistance is the most effective and economical method of disease mitigation, but the recent identification of isolated P. brassicae populations with novel virulence phenotypes capable of overcoming resistance in most canola cultivars highlights the variable nature and adaptability of the pathogen. Recent studies have shown slight reductions in pathogen populations through crop rotations, but much more substantial reductions in spore populations in heavily infested areas near field entrances using fumigants such as Vapam (metam-sodium) or Basamid (dazomet). Greenhouse trials showed that seedling emergence, plant height and root weight increased, while primary and secondary infection and disease severity decreased with increased Basamid dosage. However, field trials showed some phytotoxicity. Application of Vapam at rates of 0.4 to $1.6mL\;L^{-1}$ soil resulted in 12-16 fold reductions in clubroot severity and primary and secondary infection. Vapam also was effective in reducing clubroot severity and improving canola seed yield under field conditions. These studies underscore the need for good resistance stewardship and for the integration of multiple products and practices for successful management of clubroot on canola.

• 한국보육지원학회지
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• 제17권2호
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• pp.1-27
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• 2021

Objective: Covid-19 is changing many aspects of child care programs. The objective of this study was to explore how the pandemic and mitigation efforts affected the experiences and practices at child care centers in the summer of 2020. Methods: Focus group interviews and mobile surveys were conducted with principals and teachers of child care centers in August and September 2020. Descriptive statistics including frequency distributions, means and standard deviations and mean differences were used to analyze the survey data with SPSS 22.0. Results: It was found that each sector of child care settings experienced different difficulties and had various needs. Young children's lack of energy, child care teachers' workload and stress, and principles' efforts to interrupt transmission of the infectious disease based on insufficient government guideline and supports were revealed as the main experiences. Conclusion/Implications: The Covid-19 pandemic has had a tandem of influences on daily life at child care centers. As policy makers consider additional guidelines or supports measures to prevent the infection and spread of Covid-19 at child care centers, long-term as well as short-term plans at various levels should be considered to meet the unique needs of child care programs.

• 의료법학
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• 제16권2호
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• pp.159-193
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• 2015

병원감염 사례에 관한 판결의 주류적 태도는 병원감염 발생으로 인한 손해의 분담을 사실상 환자 측에 전가하는 문제가 있다고 판단되므로, 손해의 공평 타당한 분담을 그 지도 원리로 하는 손해배상제도의 이념에 비추어 환자 측의 증명책임을 대폭 완화하기 위한 방법을 강구할 필요성이 있다. 이와 관련하여 진료계약을 민법상 전형계약으로 규정하고, 병원감염과 같은 의료 측이 전적으로 지배할 수 있었던 경우에는 일반적 진료상 위험이 실현된 때 진료자의 오류가 추정된다고 명문으로 과실추정규정을 둔 독일민법을 검토하였다. 진료계약은 매우 빈번하고 광범위하게 일반 국민의 실생활에서 체결되고 있으며, 그로 인한 분쟁도 다양하게 발생하고 있으므로, 진료계약을 독일과 같이 민법의 전형계약으로 규정함으로써 계약 내용과 분쟁 발생 시 증명책임 등에 관해 규율할 필요성이 있다. 병원감염 사건의 경우 법률에 의해 과실을 추정하고, 병원감염 예방을 위한 노력을 철저히 시행한 기관에 한하여 병원감염 사고로 인한 손해가 발생한 경우 그 비용을 지원하도록 사회보험을 통한 제도적 보완이 필요하다고 생각되며, 향후 이에 관한 면밀한 연구와 검토가 요구된다.

• 한국정보과학회논문지:컴퓨팅의 실제 및 레터
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• 제15권1호
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• pp.47-55
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• 2009

악성봇은 해커에 의해 원격 조정되어 명령에 의해 스팸메일 발송, DDoS 공격 등의 악성행위를 수행하는 웜/바이러스 이다. 악성봇은 이전의 웜/바이러스와 달리 금전적인 이득을 목적으로 하는 경우가 많은 반면 감염사실을 피해자가 인지하기 쉽지 않아 피해가 심각한 실정이다. 이에 대한 대응 방안으로는 해커의 명령을 전달하는 명령/제어 서버의 차단이 필요하다. 이 중 악성봇 DNS 싱크홀 기법이 국내에서 적용하고 있는 봇 대응 시스템으로, 본 논문의 목적은 이 방식의 효과성을 제시하는데 있다. 본 논문에서는 1년 이상의 장기간 동안 악성봇 및 Botnet 을 관찰하여 Bot 감염 PC의 감염 지속시간, Bot 명령/제어 서버의 특성 등을 파악하고, 악성봇의 피해를 방지하기 위한 효과적인 방안인 악성봇 DNS 싱크흘의 적용 결과를 분석한다. 이를 위하여 웜샘플 분석 툴을 이용하여 자동 분석체계를 구축하였고, 이를 시스템화 하였다. 또한, 분석을 통해 현재 국내에서 적용되고 있는 봇 대응 시스템의 타당성을 검증하였다.

• Advances in materials Research
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• 제1권4호
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• pp.311-347
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• 2012

Infections are caused due to the infiltration of tissue or organ space by infectious bacterial agents, among which Staphylococcus aureus bacteria are clinically most relevant. While current treatment modalities are in general quite effective, several bacterial strains exhibit high resistance to them, leading to complications and additional surgeries, thereby increasing the patient morbidity rates. Titanium dioxide is a celebrated photoactive material and has been utilized extensively in antibacterial functions, making it a leading infection mitigating agent. In view of the property amelioration in materials via nanofication, free-standing titania nanofibers (pure and nominally doped) and nanocoatings (on Ti and Ti6Al4V implants) were fabricated and evaluated to assess their efficacy to mitigate the viability and growth of S. aureus upon brief (30 s) activation by a portable hand-held infrared laser. In order to gauge the effect of exposure and its correlation with the antibacterial activities, both isolated (only titania substrate) and simultaneous (substrate submerged in the bacterial suspension) activations were performed. The bactericidal efficacy of the IR-activated $TiO_2$ nanocoatings was also tested against E. coli biofilms. Toxicity study was conducted to assess any potential harm to the tissue cells in the presence of photoactivated materials. These investigations showed that the photoactivated titania nanofibers caused greater than 97% bacterial necrosis of S. aureus. In the case of titania-coated Ti-implant surrogates, the bactericidal efficacy exceeded 90% in the case of pre-activation and was 100% in the case of simultaneous-activation. In addition to their high bactericidal efficacy against S. aureus, the benignity of titania nanofibers and nanocoatings towards tissue cells during in-vivo exposure was also demonstrated, making them safe for use in implant devices.

• Safety and Health at Work
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• 제11권3호
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• pp.275-283
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• 2020

Background: In the absence of a vaccine or treatment, the most pragmatic strategies against an infectious disease pandemic are extensive early detection testing and social distancing. This study aimed to summarize public and workplace responses to Coronavirus Disease-19 (COVID-19) and show how the Korean system has operated during the COVID-19 pandemic. Method: Daily briefings from the Korean Center for Disease Control and the Central Disaster Management Headquarters were assembled from January 20 to May 15, 2020. Results: By May 15, 2020, 11,018 COVID-19 cases were identified, of which 15.7% occurred in workplaces such as health-care facilities, call centers, sports clubs, coin karaoke, and nightlife destinations. When the first confirmed case was diagnosed, the Korean Center for Disease Control and Central Disaster Management Headquarters responded quickly, emphasizing early detection with numerous tests and a social distancing policy. This slowed the spread of infection without intensive containment, shut down, or mitigation interventions. After entering the public health blue alert level, a business continuity plan was distributed. After entering the orange level, the Ministry of Employment and Labor developed workplace guidelines for COVID-19 consisting of social distancing, flexible working schedules, early identification of workers with suspected infections, and disinfection of workplaces. Owing to the intensive workplace social distancing policy, workplaces remained safe with only small sporadic group infections. Conclusion: The workplace social distancing policy with timely implementation of specific guidelines was a key to preventing a large outbreak of COVID-19 in Korean workplaces. However, sporadic incidents of COVID-19 are still ongoing, and risk assessment in vulnerable workplaces should be continued.

• 한국임상수의학회지
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• 제31권1호
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• pp.40-45
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• 2014

Abalone herpes-like virus (AbHV) is a fatal disease of abalones that impose severe economic impacts on the industry of infected regions due to high mortality. The aim of this study was to quantify the risk of introducing AbHV into Korea through the importation of live abalones for human consumption by import risk analysis (IRA). Monte Carlo simulation models were developed to provide estimates of the probability that a ton of imported abalone contains at least one AbHV-infected individual, using historical trade data and relevant literatures. A sensitivity analysis with 5,000 iterations was also conducted to determine the extent to which input parameters affect the outcome of the model. Although many uncertainties were present in the data, the results indicated that, if 5,000 tons of abalone were imported from a hypothetical exporting country with low prevalence of AbHV (model 1), there would be at least one AbHV-infected abalones in 4,816 of those tons (96.3%), while there would be at least one AbHV-infected abalones in 100% of those tons imported from country with high prevalence (model 2). Sensitivity analysis indicated that for model 1, prevalence was the strongest influence factor on the predicted number of infections. For model 2, background mortality and washing to reduce the risk of surface contamination during processing were the major contributing factors. Risk management strategies need to be enforced to reduce the risk of AbHV introduction in that at least one infected abalone would remain in a consignment from country even with a low prevalence of AbHV infection. The methodology and the results presented here will contribute to improve the development of AbHV management program, and with more accurate data this IRA model will aid science-based decision-making on mitigation strategies to reduce the risk of AbHV introduction in Korea.

• 한국버섯학회지
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• 제19권3호
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• pp.115-125
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• 2021

버섯의 섭취는 버섯의 유용 성분에 의해 면역체계 및 장내미생물균총의 변화를 유발한다. 그중 많이 알려진 β-glucan 구조 기반 물질들은 염증매개물질의 분비는 억제하고 대식세포의 활성은 유발하여 면역력의 증진을 도와인체의 면역기능을 증진시킨다. 직접적인 유용 성분 이외의 다른 물질은 장내 미생물균총에 의해 단쇄지방산으로 변화되며, 변화된 단쇄지방산은 면역 및 다양한 질병의 완화를 유발하게 된다. 버섯이 포함하고 있는 성분은 β-glucan 외에도 장내미생물균총을 변화하게 유도하는 prebiotic로써의 역할을 수행하게 된다. 변화된 장내미생물균총은 외부로부터 들어오는 다양한 감염성 균의 감염을 막으며, 면역체계의 균형 유지를 도우며, 질병을 예방하게 된다. 국내 섭취 빈도가 높은 새송이, 표고, 느타리, 팽이, 목이, 양송이 버섯의 유용 성분의 탐색, 장내미생물균총의 변화 및 섭취 시 인체의 단쇄지방산 변화 연구는 추후 버섯의 유용 성분, 장내미생물 및 질병과의 인과관계를 풀어내는데 기여할 것으로 여겨진다.