• Title/Summary/Keyword: Hye-seok

Search Result 2,045, Processing Time 0.085 seconds

Molecular Cloning and Characterization of Very Late Expression Factor 1 Gene, vlf-1 from Bombyx mori Nuclear Polyhedrosis Virus Kl

  • Park, Hye-Jin;Lee, Kwang-Sik;Cho, Eun-Sook;Yun, Eun-Young;Kang, Seok-Woo;Kim, Keun-Young;Sohn, Hung-Dae;Jin, Byung-Rae
    • International Journal of Industrial Entomology and Biomaterials
    • /
    • v.1 no.1
    • /
    • pp.29-33
    • /
    • 2000
  • We cloned and characterized a very late expression factor 1 gene, vlf-1, which regulates the level of very late gene transcripts, from Bombyx mori nuclear polyhedrosis virus (BmNPV) K1 strain. The 1,140 bp vlf-1 has an open reading frame of 379 amino acid and a MW of 44 kDa. The vlf-1 nucleotide sequence of BmNPV-Kl showed high homology with Autographa californica nuclear polyhedrosis virus and BmNPV T3 strain so far known, and its deduced amino acid residues were identical to those of BmNPV T3. The location of vlf-1 in the BmNPV-Kl genome was confirmed by Southern blot analysis and its expression patterns at the transcriptional level were confirmed by Northern hybridization analysis.

  • PDF

A Case of Pediatric Subglottic Stenosis caused by Subglottic Cyst (성문하부 낭종으로 인한 소아 성문하부 협착 1예)

  • Oh, Hyeon Seok;Lee, Hye Ran;Lee, Jae Yong;Kim, Jae Wook
    • Korean Journal of Head & Neck Oncology
    • /
    • v.34 no.2
    • /
    • pp.77-80
    • /
    • 2018
  • Subglottic cysts have been reported as a relatively rare problem of pediatrics who have a history of premature birth and period of intubation. They may cause significant upper airway obstruction and many cases require tracheostomy to airway management. Endoscopic marsupialization by microinstruments or laser has been standard primary treatment but a high recurrence rate has been reported. A 19-month-old child presented with stridor who has history of ventilation via an endotracheal intubation in the newborn period for 7 days. Radiologic examinations were performed for aggravated dyspnea symptom and subglottic cystic mass was found, then it was marsupialized at operation room and tracheostomy was done at the same time. After decannulation of tracheostomy tube, there is no recurrence of cyst nor upper airway obstruction for 29 months. We report this case with a review of literature.

Evaluation of the Quality of Yogurt Using Ginseng Extract Powder and Probiotic Lactobacillus plantarum NK181

  • Jang, Hye Ji;Jung, Jieun;Yu, Hyung-Seok;Lee, Na-Kyoung;Paik, Hyun-Dong
    • Food Science of Animal Resources
    • /
    • v.38 no.6
    • /
    • pp.1160-1167
    • /
    • 2018
  • The objective of this study was to evaluate the composition, pH, titratable activity, microbial properties, and antioxidant effect of yogurt using ginseng extract powder (GEP), Lactobacillus plantarum NK181, and Streptococcus thermophilus as the starter culture. Different concentration of GEP (0%, 0.5%, 1%, 1.5%, and 2% (w/v)) were used in the yogurt. During yogurt fermentation, pH was decreased; however, titratable acidity and viable cell counts were increased. The addition of GEP to yogurt led to a decrease in moisture content and an increase in the fat, ash, and total solids content. The antioxidant effect using 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging, ${\beta}$-carotene bleaching, and ferric reducing antioxidant power (FRAP) assay gradually increased with added GEP. Overall, yogurt fermented with 1% GEP was acceptable in terms of cell viability and antioxidant effect. These results might provide information regarding development of ginseng dairy products with enhanced antioxidant activities and probiotic properties.

The Software Reliability Growth Model base on Software Error Data (소프트웨어 오류 데이터를 기반으로 한 소프트웨어 신뢰성 성장 모델 제안)

  • Jung, Hye-Jung;Han, Gun-Hee
    • Journal of the Korea Convergence Society
    • /
    • v.10 no.3
    • /
    • pp.59-65
    • /
    • 2019
  • In this paper, we propose a software quality measurement metrics of ISO / IEC 25023, which is newly proposed for software quality evaluation, to compare the difference with ISO / IEC 9126-2 which was used for software quality evaluation. In this paper, we propose a method for evaluating the quality of reliability based on the software reliability growth model among the eight quality characteristics presented in ISO / IEC 25023. Based on ISO / IEC 25023, software-quality evaluations demonstrate that there is some risk in evaluating reliability when based on data.

Short-term activation of synaptic transmission by acute KCl application significantly reduces somatic A-type K+ current

  • Song, Jung-Yop;Kim, Hye-Ji;Jung, Sung-Cherl;Kang, Moon-Seok
    • Journal of Medicine and Life Science
    • /
    • v.15 no.2
    • /
    • pp.62-66
    • /
    • 2018
  • A-type $K^+$ ($I_A$) channels are transiently activated in the suprathreshold membrane potential and then rapidly inactivated. These channels play roles to control the neuronal excitability in pyramidal neurons in hippocampi. We here electrophysiologically tested if regulatory functions of $I_A$ channels might be targeted by acute activation of glutamatergic synaptic transmission in cultured hippocampal neurons(DIV 6~8). The application of high KCl in recording solutions(10 mM, 2 min) to increase presynaptic glutamate release, significantly reduced the peak of somatic $I_A$ without changes of gating kinetics. This indicates that neuronal excitation induced by the enhancement of synaptic transmission may process with distinctive signaling cascades to affect voltage-dependent ion channels in hippocampal neurons. Therefore, it is possible that short-lasting enhancement of synaptic transmission is functionally restricted in local synapses without effects on intracellular signaling cascades affecting a whole neuron, efficiently and rapidly enhancing synaptic functions in hippocampal network.

An Analysis of Game Strategy and User Behavior Pattern Using Big Data: Focused on Battlegrounds Game (빅데이터를 활용한 게임 전략 및 유저 행동 패턴 분석: 배틀그라운드 게임을 중심으로)

  • Kang, Ha-Na;Yong, Hye-Ryeon;Hwang, Hyun-Seok
    • Journal of Korea Game Society
    • /
    • v.19 no.4
    • /
    • pp.27-36
    • /
    • 2019
  • Approaches to find hidden values using various and enormous amount of data are on the rise. As big data processing becomes easier, companies directly collects data generated from users and analyzes as necessary to produce insights. User-based data are utilized to predict patterns of gameplay, in-game symptom, eventually enhancing gaming. Accordingly, in this study, we tried to analyze the gaming strategy and user activity patterns utilizing Battlegrounds in-game data to detect the in-game hack.

Analysis of runoff by change of impervious surface ratio in Anseong-cheon (안성천 유역의 불투수면적률 변화에 따른 유출량 분석)

  • Lee, Hyunji;Kang, Moon Seong;Kim, Kyeung;Kim, Ji Hye;Kim, Seok Hyeon
    • Proceedings of the Korea Water Resources Association Conference
    • /
    • 2019.05a
    • /
    • pp.358-358
    • /
    • 2019
  • 도시화 및 산업화로 인해 불투수면이 지속적으로 증가하고 있으며, 불투수면의 증가로 인해 물순환 구조 왜곡이 발생하고 있으며, 이로 인해 집중 호우시 첨두유량 증가로 인한 도시 침수, 자연적 침투량 감소로 인한 지하수 고갈 및 하천 건천화, 도시 열섬 현상 등 다양한 물 문제가 발생하고 있다. 건강한 물순환 체계 회복을 위해, 환경부에서는 소권역별 불투수면적률에 대한 중장기 물순환 목표를 포함하여 물환경보전법을 개정하였으며, 2020년부터 시행예정이다. 본 연구에서는 안성천 유역을 대상으로 소권역별 불투수면적률을 산정하고 불투수면적률 저감에 따른 유출량 등의 유역 물순환 구조 변화를 분석하고자 한다. 불투수면적률은 연속수치지도, 연속지적도, 용도지역 지구도 3개의 지리정보자료를 중첩하여 최신 불투수면적 정보가 반영되도록 계산하였으며, 물순환 구조는 HSPF 모형을 이용하여 분석하였다. 본 연구의 결과는 향후 불투수면적과 물순환 요소간의 상관관계 분석을 위한 기초자료로 활용될 수 있을 것으로 사료된다.

  • PDF

Studies on Physicochemical Characteristics for Quality Control of Zizyphi Fructus by Appearance Grade (국산 건대추의 외형 등급별 품질특성 연구)

  • Bang, Mi Hui;Yu, Hye Young;Bae, Bong Seok;Park, Chol Su;Han, Min Woo
    • Korean Journal of Medicinal Crop Science
    • /
    • v.28 no.6
    • /
    • pp.455-462
    • /
    • 2020
  • Background: The purpose of this study was to analyze the applicability of dried jujube (Zizypui Fructus) distributed by size as a functional food material and herbal medicine by evaluating its physicochemical characteristics and betulinic acid content. Methods and Results: It was shown that the carbohydrate content of in jujube fruit significantly increased with fruit size; 81.42% for large, 79.83% for medium, and 76.39% for small. Similarly, the dilute ethanol extract content of each group was 72.48% (large), 69.56% (medium), and 64.16% (small). A free sugar analysis indicated that glucose, fructose and sucrose were found in quantitieds proportional to jujube fruit size, the total free sugar values were 68.85%, 63.93%, and 57.37% for large, medium, and small fruit sizes respectively. The betulinic acid content for large, medium, and small fruit was 0.50 mg/g, 0.54 mg/g, and 0.58 mg/g respectively, indicating that smaller jujube contained a higher amount of betulinic acid. Conclusions: It is considered that betulinic acid content could be used as a criteria for jujube fruit quality control.

System design for vehicle black box data integrity provision of cloud computing base (데이터 무결성 제공을 위한 클라우드 기반의 차량용 블랙박스 시스템 설계)

  • Kim, Bo-Kyung;Baek, Hye-Ran;Jo, Su-Bin;Jung, Sun-Jae;Choi, Young-jun;OH, Seok-Youn;Rhee, Kyung-Hyune
    • Annual Conference of KIPS
    • /
    • 2013.05a
    • /
    • pp.640-643
    • /
    • 2013
  • 차량용 블랙박스는 영상, 음성 및 자동차의 주행정보를 저장하는 매체로서 저장되는 데이터를 통해 차량 접촉사고 시 운전자의 과실여부를 판단할 수 있는 중요한 장치로 최근 자동차 시장에서 많은 주목을 받고 있다. 그러나 현재 차량용 블랙박스는 단순히 주행 데이터를 저장만 하고 있어 법적인 근거 자료로 활용되기 위해서는 데이터에 대한 무결성 보장을 제공하는 기능이 없는 상황이다. 블랙박스에 저장된 데이터는 공격자에 의해 위, 변조될 위험이 존재함으로 본 논문에서는 보다 안전한 환경에서의 무결성 보장을 위해 클라우드 컴퓨팅 환경에서의 무결성을 제공하는 시스템을 설계 한다.

Unexpected Death by Sepsis of Staphylococcus aureus with Infective Endocarditis and Paravertebral Abscess in a Fisherman during Sailing out for Fish: An Autopsy Case (심내막염과 척추 주위 농양을 동반한 황색포도알균에 의한 출어 중의 선상 패혈증 사망: 증례 보고)

  • Kim, Youn Shin;Hwang, In Kwan;Moon, Seohyun;Park, Ji Hye;Lee, Young Seok
    • The Korean Journal of Legal Medicine
    • /
    • v.42 no.4
    • /
    • pp.153-158
    • /
    • 2018
  • Staphylococcus aureus is an important cause of human infections, and it is also a commensal that colonizes the nose, axillae, vagina, throat, or skin surfaces. S. aureus has increasingly been recognized as a cause of severe invasive illness, and individuals colonized with this pathogen are subsequently at increased risk of its infections. S. aureus infection is a major cause of skin, soft tissue, respiratory, bone, joint, and endovascular disorders, and staphylococcal bacteremia may cause abscess, endocarditis, pneumonia, metastatic infection, foreign body infection, or sepsis. The authors describe a case of a fisherman who died of sepsis on a fishing boat during sailing out for fish. The autopsy shows paravertebral abscess, pus in the pericardial sac, infective endocarditis with vegetation on the aortic valve cusp, myocarditis, pneumonia and nephritis with bacterial colonization, and also liver cirrhosis and multiple gastric ulcerations.