http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
논리적 디스크 개념을 이용한 적응적 디스크 재배치 방법
김진응,장태무 동국대학교 산업기술환경대학원 1996 산업기술논총 Vol.3 No.-
During the last decade, the performance of microprocessors and memory systems has been improved dynamically. But the disk system performance has been improved sightly, and it became a dominant factor of overall computer system performance. To improve the performance of disk systems, there have been studies on adaptive disk rearrangement techniques, which dynamically change the disk layout to reduce the seek distance. In this paper, a more efficient and flexible method of performing adaptive disk rearrangement and a new rearrangement policy called organ pipe arrangement variant' are proposed. Logical disk concept is introduced to provide efficiency and flexibility in the adaptive rearrangement system. Logical disk, implemented in the disk controller together with non-volatile memory and modified logical disk interface primitives, is suggested. A trace-driven simulation methods shows that the methods in the present paper can reduce the average seek distance by about 35%.
Use of Selected Lactic Acid Bacteria in the Eradication of Helicobacter pylori Infection
김진응,김민수,윤여상,정명준,염도영 한국미생물학회 2014 The journal of microbiology Vol.52 No.11
Helicobacter pylori is among the major pathogenic bacteriathat cause chronic gastritis and peptic ulcer disease and isrelated to the development of gastric cancer. Several chemicals,including antibiotics, have been used to eradicate H. pylori; however, they do not always curb the infection. Tenrepresentative type strains of lactic acid bacteria (LAB) werescreened for antagonism toward H. pylori via inhibition ofurease activity. Strains inhibiting the binding of H. pylori tohuman gastric cell line cells and suppressing H. pylori-inducedinterleukin-8 (IL-8) production were also screened. Of these, Pediococcus pentosaseus (SL4), which inhibitedthe adhesion of H. pylori to MKN-45 gastric cancer cells,Bifidobacterium longum (BG7), with urease inhibiting activity,and Lactococcus lactis (SL3), and Enterococcus faecalis(SL5), which suppressed H. pylori-induced IL-8 productionwithin MKN-45 and AGS cells, were selected. In mousemodel, these LAB stains in combination significantly suppressedIL-8 levels in serum. Gastric pH also recovered tonormal values after the administration of these LAB. Thesestains effectively suppressed H. pylori viability, althoughnot to the extent of antibiotic treatment. When used as probiotics,LAB may help decrease the occurrence of gastritisand reduce the risk of H. pylori infection without, inducingside effects.
김진응(Jineung Kim),장태무(Taemu Chang) 한국정보과학회 1995 한국정보과학회 학술발표논문집 Vol.22 No.2B
마이크로프로세서나 반도체 기억장치의 발전 속도에 비추어 자기 디스크(Magnetic Disk) 시스템의 성능 향상 속도는 매우 느려서 전체적인 컴퓨터 시스템의 성능에 지장을 주고 있다[4]. 본 논문에서는 성능이 좋아지고 가격이 하락한 마이크로프로세서와 반도체 기억장치를 활용하는 방법으로 디스크 제어기(Controller)에 논리적 디스크(Logical Disk)[l]의 개념을 도입하고 이를 활용하여 디스크 재배치(Disk Rearrangement)[2]를 적응적(Adaptive)으로 행할 수 있는 방안을 제시한다. 시스템의 성능은 PC환경의 MS-DOS 화일 시스템을 모형으로 하여 Trace-driven 시뮬레이션 방법으로 확인하였으며 대체로 20%정도의 디스크 탐색 시간(Seek Time)을 줄일 수 있는 결과를 얻었다.
A Probiotic Preparation Alleviates Atopic Dermatitis-Like Skin Lesions in Murine Models
김민수,김진응,윤여상,서재구,정명준,염도영 한국독성학회 2016 Toxicological Research Vol.32 No.2
Atopic dermatitis (AD) is a chronic inflammatory skin disease with a complex etiology that encompasses immunologic responses. AD is frequently associated with elevated immunoglobulin (Ig) E levels, and common environmental factors contribute to its pathogenesis. Several recent studies have documented the role of specific lactic acid bacteria in the treatment and prevention of AD in humans and mice. In this study, the efficacy of Duolac ATP, a probiotic preparation, was determined in a mouse model with AD-like skin lesions. Alterations in the cytokine levels and histological staining suggested the alleviation of AD. The in vivo test showed that T helper (Th)2 cytokines, IgE, interleukin (IL)-4, and IL-5, were significantly downregulated, whereas Th1 cytokines, IL-12p40 and interferon (IFN)-γ, were upregulated in all groups of mice treated with Duolac ATP compared to that observed in the group of mice treated with 1-chloro-2,4- dinitrobenzene (DNCB) alone. Moreover, the scratch score decreased in all mice treated with Duolac ATP. Staining of the dorsal area of the mice in each group with hematoxylin and eosin and toluidine blue further confirmed the alleviation of AD in mice orally treated with Duolac ATP. These results suggest that Duolac ATP inhibits the development of AD-like skin lesions in NC/Nga mice by suppressing the Th2 cell response and increasing the Th1 cell response. Thus, Duolac ATP is beneficial and effective for the treatment of AD-like skin lesions.