• 제목/요약/키워드: rapid diagnosis

검색결과 862건 처리시간 0.024초

차세대 염기서열분석을 이용한 유전성 대사질환의 유전진단 (Genetic Diagnosis of Inherited Metabolic Disorders using Next-Generation Sequencing)

  • 기창석
    • 대한유전성대사질환학회지
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    • 제23권2호
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    • pp.1-7
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    • 2023
  • 유전성 대사질환은 생화학적 대사 이상에 의해 발생하는 질환 군으로, 매우 다양할 뿐만 아니라 임상 양상이 서로 겹칠 수 있어 진단에 어려움을 겪을 수 있다. 과거에는 유전성 대사질환의 원인이 될 수 있는 유전자를 선정한 후 한 개씩 분석하는 방식으로 유전자 검사를 시행했다. 하지만, 최근에는 차세대 염기서열분석 기술이 발전함에 따라 유전성 대사질환과 관련된 수백-수천개의 유전자를 한꺼번에 분석하거나, 인간의 모든 유전자를 포함하는 엑솜/게놈 분석을 시행한 후 원인 유전자를 찾는 방식으로 유전 진단의 패러다임이 바뀌고 있다. 본 종설에서는 차세대 염기서열분석을 이용한 유전성 대사질환의 유전 진단 방법과 진단율 및 주의점 등을 살펴보고자 한다.

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전류, 진동 및 자속센서기반 스마트센서를 이용한 기계결함진단 성능비교 (Comparing machine fault diagnosis performances on current, vibration and flux based smart sensors)

  • 손종덕;태성도;양보석;황돈하;강동식
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2008년도 춘계학술대회논문집
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    • pp.809-816
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    • 2008
  • With increasing demands for reducing cost of maintenance which can detect machine fault automatically; low cost and intelligent functionality sensors are required. Rapid developments, in semiconductor, computing, and communication have led to a new generation of sensor called "smart" sensors with functionality and intelligence. The purpose of this research is comparison of machine fault classification between general analyzer signals and smart sensor signals. Three types of sensors are used in induction motors faults diagnosis, which are vibration, current and flux. Classification results are satisfied.

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New Molecules in Babesia gibsoni and Their Application for Diagnosis, Vaccine Development, and Drug Discovery

  • Goo, Youn-Kyoung;Xuan, Xuenan
    • Parasites, Hosts and Diseases
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    • 제52권4호
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    • pp.345-353
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    • 2014
  • Babesia gibsoni is an intraerythrocytic apicomplexan parasite that causes piroplasmosis in dogs. B. gibsoni infection is characterized clinically by fever, regenerative anemia, splenomegaly, and sometimes death. Since no vaccine is available, rapid and accurate diagnosis and prompt treatment of infected animals are required to control this disease. Over the past decade, several candidate molecules have been identified using biomolecular techniques in the authors' laboratory for the development of a serodiagnostic method, vaccine, and drug for B. gibsoni. This review article describes newly identified candidate molecules and their applications for diagnosis, vaccine production, and drug development of B. gibsoni.

계층 논리 기반 전문가 시스템의 전력계통 고장진단에의 적용 (Application of Hierarchical Logic Based Expert System to the Power System Fault Diagnosis)

  • 박영문;김광원;이광호;정재길
    • 대한전기학회논문지:전력기술부문A
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    • 제48권7호
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    • pp.863-871
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    • 1999
  • While Logic Based Expert System (LBES) has a merit of rapid and complete inference, it also has a defect of huge knowledge base. Hierarchical LBES (HLBES) replaces the assertion time inference of LBES with the multi-level logic minimization procedure, and it guarantees smaller knowledge base comparing with LBES. This paper has two contributions. The one is proposing so-called fact-minimization procedure which reduces not only the number of facts or measured events but also the size of knowledge base dramatically. The other contribution is application of HLBES and the proposed fact-minimization to the fault diagnosis of power system. The application is successfully performed in the example with the transmission system which takes 72 goals and 352 facts.

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Importance of Accurate Diagnosis in Pyoderma Gangrenosum

  • Kim, Yoon Soo;Kim, Han Kyeol;Han, Yea Sik
    • 대한두개안면성형외과학회지
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    • 제15권3호
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    • pp.138-141
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    • 2014
  • Pyoderma gangrenosum is a rare inflammatory reactive dermatosis marked by painful cutaneous ulcers. Diagnosis of pyoderma gangrenosum is usually made based on past medical history and after the exclusion of other possible diseases based on the clinical manifestations of the lesion. Diseases that show rapid progression to necrosis and that should not be misdiagnosed as pyoderma gangrenosum include malignant neoplasms and necrotizing fasciitis. Immunosuppressive agents such as steroids and cyclosporine are considered first-line therapy. Surgical removal of the necrotic tissues is contraindicated, as it may further induce immune reaction and promote ulcer to enlarge. Here, we present a case to encourage plastic surgeons to consider pyodermagangrenosum in the differential diagnosis of idiopathic ulcers. Satisfactory outcomes for patients with pyodermagangrenosum may be expected when using steroids and immunosuppressive agents during the early stage of the disease.

Diagnosis of Pulmonary Tuberculosis: Recent Advances and Diagnostic Algorithms

  • Ryu, Yon Ju
    • Tuberculosis and Respiratory Diseases
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    • 제78권2호
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    • pp.64-71
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    • 2015
  • Pulmonary tuberculosis (TB) persists as a great public health problem in Korea. Increases in the overall age of the population and the rise of drug-resistant TB have reinforced the need for rapid diagnostic improvements and new modalities to detect TB and drug-resistant TB, as well as to improve TB control. Standard guidelines and recent advances for diagnosing pulmonary TB are summarized in this article. An early and accurate diagnosis of pulmonary TB should be established using chest X-ray, sputum microscopy, culture in both liquid and solid media, and nucleic acid amplification. Chest computed tomography, histopathological examination of biopsy samples, and new molecular diagnostic tests can be used for earlier and improved diagnoses, especially in patients with smear-negative pulmonary TB or clinically-diagnosed TB and drug-resistant TB.

상관성 분석과 ELM을 이용한 태양광 고장진단 알고리즘 개발 (Development of Fault Diagnosis Algorithm using Correlation Analysis and ELM)

  • 임재윤;지평식
    • 전기학회논문지P
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    • 제65권3호
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    • pp.204-209
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    • 2016
  • It is difficult to establish accurate modeling of PV power system because of various uncertainty. However, it is important work to modeling of PV for fault diagnosis. This paper proposes modeling and fault diagnosis method using correlation analysis and ELM(Extreme Learning Machine). Rather than using total data, we select optimal time interval with higher corelation between PV power and solar irradiation. Also, we use average value during 60 minute to avoid rapid variation of PV power. To show the effectiveness of the proposed method, we performed various experiments by dataset.

Synthetic Bacteria for Therapeutics

  • Lam VO, Phuong N.;Lee, Hyang-Mi;Na, Dokyun
    • Journal of Microbiology and Biotechnology
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    • 제29권6호
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    • pp.845-855
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    • 2019
  • Synthetic biology builds programmed biological systems for a wide range of purposes such as improving human health, remedying the environment, and boosting the production of valuable chemical substances. In recent years, the rapid development of synthetic biology has enabled synthetic bacterium-based diagnoses and therapeutics superior to traditional methodologies by engaging bacterial sensing of and response to environmental signals inherent in these complex biological systems. Biosynthetic systems have opened a new avenue of disease diagnosis and treatment. In this review, we introduce designed synthetic bacterial systems acting as living therapeutics in the diagnosis and treatment of several diseases. We also discuss the safety and robustness of genetically modified synthetic bacteria inside the human body.

헬리코박터 파일로리 감염 진단의 최신 지견 (Diagnosis of Helicobacter pylori Infection)

  • 허철웅;김병욱
    • 대한소화기학회지
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    • 제72권5호
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    • pp.229-236
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    • 2018
  • Accurate diagnosis of Helicobacter pylori (H. pylori) infection is mandatory for the effective management of many gastroduodenal diseases. Currently, various diagnostic methods are available for detecting these infections, and the choice of method should take into account the clinical condition, accessibility, advantage, disadvantage, as well as cost-effectiveness. The diagnostic methods are divided into invasive (endoscopic-based) and non-invasive methods. Non-invasive methods included urea breath test, stool antigen test, serology, and molecular methods. Invasive methods included endoscopic imaging, rapid urease test, histology, culture, and molecular methods. In this article, we provide a review of the currently available options and recent advances of various diagnostic methods.

Nanopore Metagenomics Sequencing for Rapid Diagnosis and Characterization of Lily Viruses

  • Lee, Hyo-Jeong;Cho, In-Sook;Jeong, Rae-Dong
    • The Plant Pathology Journal
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    • 제38권5호
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    • pp.503-512
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    • 2022
  • Lilies (Lilium spp.) are one of the most important ornamental flower crops grown in Korea. Most viral diseases in lilies are transmitted by infected bulbs, which cause serious economic losses due to reduced yields. Various diagnostic techniques and high-throughput sequencing methods have been used to detect lily viruses. According to Oxford Nanopore Technologies (ONT), MinION is a compact and portable sequencing device. In this study, three plant viruses, lily mottle, lily symptomless, and plantago asiatica mosaic virus, were detected in lily samples using the ONT platform. As a result of genome assembly of reads obtained through ONT, 100% coverage and 90.3-93.4% identity were obtained. Thus, we show that the ONT platform is a promising tool for the diagnosis and characterization of viruses that infect crops.