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전체 고유치구조 배치에 의한 HEADBOX의 최적제어기에 관한 연구
정은태,정맹화,권성하 國立 昌原大學校 産業技術硏究所 1997 産技硏論文集 Vol.11 No.-
A computationally simple sequential algorithm for headbox optimal controller is presented. The approach is capable of systematically calculating a set of appropriate weighting matrices for the quadratic performance index, so that the resulting optimal control law would not only minimize the index, but also place the eigenspectrum of the closed-loop system at some predefined location.
결핵균 30 kDa 단백항원 자극에 의하여 유도되는 IFN-Y 및 IL-4 mRNA 발현 양상과 세포독성능
백태현,조은경,박재하,박정규,김화중 충남대학교 생물공학연구소 1997 생물공학연구지 Vol.5 No.-
30 kDa protein antigen, a major secreted protein antigen of Mycobacterium tuberculosis, exhibits strong T cell stimulatory activity. In order to better understand the immunologic activities of 30 kDa antigen, lymphocyte proliferation by ^3H-thymidine incorporation, cytokine mRNA expression pattern using reverse transcription-polymerase chain reaction (RT-PCR), and cytotoxicity in response to in vitro stimulation of human peripheral blood mononuclear cells (PBMCs) with 30 kDa antigen were evaluated. Lymphoproliferative responses to 30 kDa and crude protein antigens in PBMCs of normal PPD-negative and positive donors were compared. As expected, PPD negative donors demonstrated no thymidine incorporation in response to 30 kDa and crude protein antigens, while PPD positive donors showed extensive proliferation to both antigens. Freshly isolated PBMCs were stimulated with 30 kDa antigen for 0, 6, 12, 24, 48 hr, 1 wk, and 2 wk and examined for the induction of IFN-γ and IL-4 mRNA using RT-PCR. The expression of IFN-γ mRNA was greatly augmented after 1 wk, and there was also early inductions at 6 and 24 hr, whereas IL-4 mRNA is consistently expressed through 0 to 48 hr and markedly decreased after 1 wk. In contrast, freshly isolated human tonsillar cells failed to express detectable level of IFN-γ mRNA but showed enhanced IL-4 mRNA expression after in vitro stimulation with 30 kDa antigen for 1 wk. Both natural killer (NK) and T cell cytotoxic activities induced by 30 kDa and crude antigens were also evaluated. PBMCs from PPD positive donors stimulated with 30 kDa antigen showed significantly higher NK and T cell cytotoxic activities than those in PPD negative donors. Crude antigen also induced similar level of cytotoxicity with that of 30 kDa antigen. These results suggest that 30 kDa antigen of M. tuberculosis may selectively activate Th1 cells and be a strong inducer of IFN-γ expression. In conclusion, 30 kDa antigen can be used as a standard T cell immunogen.
결핵성 수막염 환자의 뇌척수액에서 결핵균 30-kDa항원에 대한 항체반응
백태현,박재하,김화중,조은경,최대경 충남대학교 의과대학 지역사회의학연구소 1992 충남의대잡지 Vol.19 No.1
Rapid diagnostic tests for tuberculous meningitis are urgently needed because delayed treatment increase the already high mortality rate of this disease. In this study, the 30-kDa protein antigen that purified from the unheated culture filtrate of M. tuberculosis H_37Rv was examined for its diagnostic usefulness in detecting mycobacterial antibody in cerebrospinal fluid(CSF) by the enzymelinked immunosorbent assay(ELISA) and Western blot. The mean ELISA values of IgG antibody activity to 30-kDa antigen in CSF of 12 patients with tuberculous meningitis and 17 non tuberculous patients were 0.479±0.245 and 0.051±0.024, and for the IgM antibody, were 0.375±0.223 and 0.065±0.039, respectibely. The sensitivity and specificity were 100% and 94% for IgG antibody, and 75% and 94% for IgM antibody, respectively. Western blot analysis was the same as that results of ELISA. In the positive determination, however, Western blot could be easily determined by the demonstration of distinct band of 30-kDa molecule. From the above results, it is suggested that the 30-kDa antigen is useful for the diagnosis of tuberculous meningitis, and Western blot shows promise as a useful immunological method for the diagnosis.
Clinical Characteristics of Smoking Asthmatics
Ha, Eun Sil,Kim, Hye Ok,Lee, Kyoung Ju,Lee, Eun Joo,Hur, Gyu Young,Jung, Ki Hwan,Lee, Sung Yong,Kim, Je Hyeong,Lee, Sang Yeub,Shin, Chol,Shim, Jae Jeong,Kang, Kyung Ho,Yoo, Se Hwa,In, Kwang Ho The Korean Academy of Tuberculosis and Respiratory 2009 Tuberculosis and Respiratory Diseases Vol.67 No.6
Background: The smoking prevalence in asthma patients are similar to those in the general population. Asthma and active cigarette smoking can interact to create more severe symptoms, an accelerated decline in lung function and impaired therapeutic responses. Accordingly, asthmatics with a history of smoking were examined to define the clinical characteristics and lung function of smoking asthmatics. Methods: The medical records of 142 asthmatics with a known smoking history were reviewed. The patients were divided into three groups according to their smoking history - current smokers, former smokers and non-smokers. The clinical characteristics, lung function, and annual declines of the forced expiratory volume in one second ($FEV_1$) were compared. Results: Fifty-three of the 142 patients (37%) were current smokers, 24 were former smokers (17%) and 65 were non-smokers (45%). The patients with a hospital admission history during the previous year included 16 current smokers (30%), 4 former smokers (17%) and 7 non-smokers (11%) (p=0.02). The mean $FEV_1$ (% predicted) was 76.8${\pm}$19.8%, 71.6${\pm}$21.1% and 87.9${\pm}$18.7% for current smokers, former smokers and non-smokers, respectively (p< 0.001). The $FEV_1$/forced vital capacity (FVC) (ratio, %) values were 63.6${\pm}$12.6%, 59.3${\pm}$14.9% and 72.1${\pm}$11.8% in current smokers, former smokers and non-smokers, respectively (p<0.001). The corresponding mean values for the individual $FEV_1$ slopes were not significant (p=0.33). Conclusion: Asthmatic smokers demonstrated higher hospital admission rates and lower lung function. These findings suggest that the smoking history is an important predictor of a poor clinical outcome in asthma patients.
Notes : Monitoring of Aflatoxin B1 in Livestock Feeds Using ELISA and HPLC
( Eun Mee Han ),( Hee Ra Park ),( Soo Jung Hu ),( Ki Sung Kwon ),( Hyo Min Lee ),( Mi Sun Ha ),( Kyung Mi Kim ),( Eun Jung Ko ),( Sang Do Ha ),( Hyang Sook Chun ),( Duck Hwa Chung ),( Dong Ho Bae ) 한국미생물 · 생명공학회 2006 Journal of microbiology and biotechnology Vol.16 No.4
Analysis of compassionate care experience among clinical nurses using grounded theory
Hwa Soon Kim,Eun Ha Roh,Kyungsun Moon,Jihee Kim,Youngjin Lee,Hwa Soon Kim,Eun Ha Roh,Kyungsun Moon,Jihee Kim,Youngjin Lee 한국간호과학회 2021 한국간호과학회 학술대회 Vol.2021 No.10
Aim: The aim of this study was to explore the meaning of the experience of providing compassionate care to patients admitted to acute hospitals. Method: This study design was qualitative research that applies the evidence theory method. The participants were clinical nurses who experienced direct patient care for more than three months (N=13). The data collection was an in-depth face-to-face interview from July 2020 to February 2021. The number of interviews per participant was one time, and the interview time was 30-60 minutes, which was recorded after obtaining informed consent, and the researcher immediately transcribed and analyzed after the interview. The data analysis was used the Strauss and Corbin (2008) method. Result: The compassionate care experience of clinical nurses was derived from 78 concepts, 33 subcategories and 16 categories. The central phenomenon representing compassionate care among clinical nurses was derived from ‘holistic care that understands disease progression’. The causal conditions of this process were shown to be "immersion into the patient’s difficult feelings" and ‘sensitive awareness of the patient’s physical and emotional needs". Contextual conditions affecting the phenomenon were ‘experience a patient’s emotional vortex’, ‘workload pressure and time limits’, ‘lack of warmth and tolerance of the nurse’ and intervening conditions were "advice from colleagues’, "training through experience and learning". The interaction strategies were "recognizing emotions", "trying to communicate", priority pain control", "stay by your side by side’, and "to provide information, and the results were "positive changes in the patients", "the satisfaction and belief of a nurses", and "be burned out". Conclusion: Based on the results of this study, the ultimate consequence of compassionate care was enhancing job satisfaction and professional beliefs from the nurse"s perspective and leading to patient cooperation and positive health outcomes from the patient"s perspective. It is expected that such nurses will be utilized as the cornerstone for developing the body of knowledge related to compassion-based care.
KAAACI Guidelines for Allergen Immunotherapy
Lee Hwa Young,이상민,강성윤,Kim Kyunghoon,Kim Ju Hee,Ryu Gwanghui,Min Jin-Young,Park Kyung Hee,Park So-Young,Sung Myongsoon,Lee Youngsoo,Yang Eun Ae,Jee Hye Mi,Ha Eun Kyo,Shin Yoo Seob,Chung Eun Hee,Choi Su 대한천식알레르기학회 2023 Allergy, Asthma & Immunology Research Vol.15 No.6
Allergen immunotherapy (AIT) is a causative treatment for various allergic diseases such as allergic rhinitis, allergic asthma, and bee venom allergy that induces tolerance to offending allergens. The need for uniform practice guidelines in AIT is continuously growing because of the increasing discovery of potential candidates for AIT and evolving interest in new therapeutic approaches. This guideline is an updated version of the Korean Academy of Asthma Allergy and Clinical Immunology recommendations for AIT published in 2010. This updated guideline proposes an expert opinion by allergy, pediatrics, and otorhinolaryngology specialists with an extensive literature review. The guideline deals with basic knowledge and methodological aspects of AIT, including mechanisms, clinical efficacy, patient selection, allergens extract selection, schedule and doses, management of adverse reactions, efficacy measurements, and special consideration in pediatrics. The guidelines for sublingual immunotherapy will be covered in detail in a separate article.