순천만 갯벌에서 분리한 균주 YUN4의 악취물질 분해능 평가

고준일,이재춘,이재영,오상근,정선용 한국냄새환경학회 2020 실내환경 및 냄새 학회지 Vol.19 No.2

This study was conducted to separate microorganisms with excellent odor component decomposition ability from nature. Microorganisms growing sulfur and ammonia compounds as substrates were isolated and identified in the tidal flat of Suncheon Bay. The strain YUN4 cultured on ammonia and sulfur compound substrates was found to have 100% genetic homology to Streptomyces fulvissimus. The optimum growth temperature of YUN4 was 20oC to 40oC, and the optimum pH was investigated in the range of pH 5 to pH 9. In addition, in order to evaluate the ability to reduce odor, after mixing the culture strain with each concentration of 1%, 5%, and 10% in the malodor generating sample, the efficiency of malodor reduction was evaluated after 30 minutes. As a result, the ammonia decomposition efficiency was 82.4%~93.9%, and hydrogen sulfide was 88.7%~94.9%.

수분조절제로 살포된 미생물 활성액이 퇴비발효공정의 악취발생에 미치는 영향에 관한 연구

고준일,정선용,박귀환,배주순,오길영 한국냄새환경학회 2015 실내환경 및 냄새 학회지 Vol.14 No.3

During the aerobic composting of livestock excrement, or leachate, which is generated in the composting process,is distributed through a bulking agent. In this research, a specific microorganism expected to reduce the emissionof odor was activated in livestock excrement supernatant, which is similar to the leachate used for water control. While the microorganism was being diffused, odor properties were examined. The bulking agent, in which thespecific microorganism was activated, was produced by applying a bioreactor filled with pumice and pellets tothe treatment process of livestock excrement activation sludge method. The dominant microorganisms werePseudomonas genera. Experiment results showed ammonia content was lowered as to 0.27 ppm 1n 15 days;however, it remained at levels of 3.15 ppm in the control reactor. After the composting time was completed, theammonia concentrations were 0.07 ppm and 3.43 ppm, respectively. The complex odor in the test reactor was28~30 times greater than of dilution, but was 42~45 times greater in the control reactor. Hydrogen sulfide andmethyl mercaptan were not detected in either reactors. Ammonia was thought to be the major odor-producingsource during the aerobic composting process of livestock excrement, and it was expected that the odor could bereduced by spraying a microorganism -activated solution as a bulking agent.

LID 수목여과박스에 적용된 BRS (Bioretention soil)의 병원성 미생물 제거 특성

고준일,임형엽,김기중,정선용 대한환경공학회 2017 대한환경공학회 학술발표논문집 Vol.2017 No.11

2019년 6월호 발간 인사말

고준 한국지식경영학회 2019 지식경영연구 Vol.20 No.2

온라인 커뮤니티에서 자기표현욕구의 영향요인과 디지털 아이템 구매의도에 미치는 효과

고준,신선진,김희웅 한국경영정보학회 2008 Asia Pacific Journal of Information Systems Vol.18 No.1

Reference Values of Whole Blood Viscosity and Its Correlation with Hematology and Serum Chemistry in Beagle Dogs

고준,이동빈,이동환,김남수 한국임상수의학회 2018 한국임상수의학회지 Vol.35 No.3

The aim of this study was to measure whole blood viscosity (WBV) and then to establish its referencevalues and identify correlation between WBV and hematology or serum chemistry in beagle. The experiment wasmade up of 82 healthy beagle dogs. Jugular vein blood samples (10 ml) were collected. WBV (cP) measured within4 hours after collection by U-shaped scanning capillary-tube viscometer (BVD-PRO1®) which is capable of measuringyield stress and viscosity of whole blood continuously over a wide range of shear rates from 1 s−1to 1000 s−1 is newtype of capillary tube viscometer and calculates viscosity using Casson fluid model. Measured values of WBV, Completeblood cell count, serum chemistry were analyzed by RM-ANOVA test. Mean diastolic and systolic WBV (cP) were29.032 ± 6.137 and 4.528 ± 0.865. Bodyweight (BW), Red blood cell count (RBC), Hemoglobin (HGB), Hematocrit(HCT), Alkaline phosphatase (ALP), Cholestetol (CHOL), Total protein (TP), Globulin, Chloride (Cl), Fibrinogen, werestatistically correlated with WBV over whole range of shear rates (p < 0.05). This study newly evaluated referencevalues of WBV by U-shaped viscometer in beagle. Correlation between WBV and BW, RBC, HGB, HCT, ALP, CHOL,TP, Globulin, Cl, Fibrinogen was presented.

온라인 실행공동체(Communities-of-Practice) 활성화 요인과 스폰서의 영향

고준,엄기용,Koh, Joon,Om, Ki-Yong 한국경영정보학회 2006 Asia Pacific Journal of Information Systems Vol.16 No.2

Firms are increasingly adopting online communities-of-practice (CoPs) with strong managerial support in hopes of promoting knowledge sharing and creation within the organization. Excessive managerial concern and sponsoring, however, could harm the spontaneity of CoP participants, which is one of the pivotal characteristics of virtual communities, and in the end, have negative impact on their smooth operation. In this regard, this study examines the factors which affect the stimulation of CoPs and explores the difference in their operating mechanisms under two differing organizational structural settings by the existence of a sponsor. By analyzing 133 samples of CoPs in a globally leading company, this study found that the existence of a sponsor designated by the organization, has serious influence on the working of CoPs, That is, leaders' enthusiasm and the level of off-line activities are critical factors for the stimulation of CoPs which have no sponsor, while in case of CoPs that have their sponsors, neither leaders' enthusiasm nor the level of off-line activities are significantly related to the stimulation of CoPs. At the same time, the performance of CoPs which have their sponsors was found significantly higher than that of CoPs which have no sponsor. These results indicate that firms need to pay special attention to organizational sponsorship when introducing CoPs within their organizations.

온라인 커뮤니티에서 자기표현욕구가 디지털 아이템 구매의도에 미치는 영향

고준,신선진 한국정보기술응용학회 2007 한국정보기술응용학회학술대회 Vol.2007 No.1

Sense of Virtual Community: a Conceptual Framework and Research Issues

고준,김영걸,Koh, Joon,Kim, Young-Gul 한국경영정보학회 2001 Information systems review Vol.3 No.2

지역사회 거주 뇌졸중환자의 수단적 일상생활동작과 자기 효능감이 보호자의 삶의 질에 미치는 영향

고준,이승희,이태관,정혜림,홍근호,홍기훈 대한지역사회작업치료학회 2015 대한지역사회작업치료학회지 Vol.5 No.1

목적 : 본 연구는 지역사회 거주중인 뇌졸중 환자를 대상으로 자기 효능감과 수단적일상생활동작의 정도로 자립 정도를 알아보고 이에 따른 보호자의 삶의 질을 파악해봄으로써 지역사회 거주 뇌졸중 환자와 보호 자간의 상관관계를 알아보고자 한다. 연구방법 : 2014년 5월 12일부터 2014년 5월 23일까지 총 2주간에 걸쳐 부산광역시에 위치한 3개 병원, 경 상남도 거제시 소재 2개 병원에 외래 치료중인 MMSE-K 24점 이상인 뇌졸중 환자 138명을 대상으로 설 문지(K-IADL, 자기효능감 측정도구, WHOQOL-BREF)를 이용해 자료를 수집하였으며 총 125부를 최종 적으로 분석 하였다. 결과 : 125명의 환자 중 남자는 70명, 여자는 55명이었으며 평균연령은 58.72세(16세∼82세)이었다, 대상자는 일반적 자기 효능감(p<0.01), 구체적 자기 효능감(p<0.01)과 보호자의 삶의 질 사이에서 유의한 상관관계 를 나타내었고 수단적 일상생활 동작과 보호자의 삶의 질 사이에는 유의한 상관관계가 나타나지 않았다. 결론 : 일반적 자기효능감과 구체적 자기효능감이 보호자의 삶의 질과 상관관계를 보였으며, 일반적 특성 중 경제상황 요인이 보호자의 삶의 질과 연관이 있는 것으로 나타났다. 결론적으로 뇌졸중 환자의 자기 효능감이 높을수록 보호자의 삶의 질도 높아지며 경제상황이 좋을수록 보호자의 삶의 질도 높게 나타났 다. 그러나 뇌졸중 환자의 수단적 일상생활동작 정도와 보호자의 삶의 질과의 상관관계는 나타나지 않았 다. 외래 치료중인 환자의 상황이 점점 만성화 되어 가고 있는 추세로 볼 때 현재 자신의 상태에 만족하 지 않고 좀 더 발전 할 수 있는 자기 효능감 회복에 대한 치료적 계획이 수립되어져야 할 것이다. Objective : This study is aimed to examine the degree of independence in stroke patients residing in a community based on their self-efficacy and Instrumental Activities of Daily Living and also correlation between community-residing stroke patients and their guardians by figuring out the life quality of their guardians. Methods : For total two weeks between May 12th and 23rd, 2014, this researcher collected data by using a survey (K-IADL, a scale to measure self-efficacy, WHOQOL-BREF) targeting 138 stroke patients who received over 24 points in MMSE-K among the outpatients of three hospitals located in Busan Metropolitan City and two hospitals located in Geoje-si, Gyeongsangnam-do, and total 125 sheets were finally used for analysis. Results : Among the 125 patients, 70 were males, and 55 were females, and their average age was 58.72 (16 to 82). The subjects’ general self-efficacy (p<0.01) and detailed self-efficacy (p<0.01) indicated significant correlation with their guardian’s life quality, and there was no significant correlation found between their Instrumental Activities of Daily Living and their guardian’s life quality. Conclusion : Their general self-efficacy and detailed self-efficacy indicated correlation with their guardian’s life quality, and among their general characteristics, the factor of their financial situation indicated correlation with their guardian’s life quality. In conclusion, when stroke patients’ self-efficacy is higher, their guardian’s life quality increases, too, and if their financial situation is more favorable, their guardian’s life quality gets higher. However, stroke patients’ Instrumental Activities of Daily Living did not indicate correlation with their guardian’s life quality. When looking at the chronic trend of outpatients, therapeutical plan must be established about the self-efficient recovery for the development of those who are not satisfied.