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한천-Acrylamide 미생물 고정화법을 이용한 Polyester 감량폐수의 처리
조무환,김형섭,김정목 嶺南大學校 環境問題硏究所 1995 環境硏究 Vol.15 No.1
폴리에스테르 감량폐수의 주요성분인 EG(ethylene glycol)와 TPA(terephthalic acid)를 분해하기 위하여 분해균주인 Pseudomonas EAW 및 TS2를 한천-acrylamide에 고정화시킨 공정을 개발하였다. 최적 배양조건은 pH 7.5, 온도 35 'C로 나타났다. 체류시간 36시간, 유입 ????? 및 ?????이 각각 5,235 mg/ℓ 및 6,750mg/ℓ 일 때 EG 및 TPA 합성폐수에 대한 이 공정의 ?????? 및 ???? 제거효율은 각각 98% 및 96%로 나타났다. 그리고 EG및 TPA를 탄소원으로 하는 혼합폐수의 경우 유입농도가 ????? 3,141mg/ℓ,???? 13,320 mg/ℓ 일 때 제거효율은 각각 94.3%, 98.2%로 나타났다. 고정화 bead의 평균직경이 4mm일 때 bead의 표면으로 부터 반지름의 18% 이상의 영역에서는 기질과 산소의 전달사항으로 인하여 세포의 성장이 저해를 받았다. 비기질제거속도와 유출 ?????농도의 관계로 부터 비기질이용 속도상수, ???및 ????는 각각 8.57 및 18.8l/ℓ bead.day로 나타났다. A process was developed to degrade EG (Ethylene glycol) and TPA (Terephthalic acid). Bacteria of Pseudomonas strains EAW and TS2 were immobilized in agaracrylamide. The optimum culture conditions were found to be pH 7.5 and 35 "C, respectively. ????? and ???? removal efficiency of this system for EG and TPA synthetic wastewater were 98 % and 96 % at retention time 36 hrs, when influent concentration was ????? 5235 mg/ℓ and ????? 6750 mg/ℓ. And, for the mixed synthetic wastewater of EG and TPA as carbon source, they were 94.3 % and 98.2 %, respectively, when influent concentration was ???? 3,141 mg/ℓ and ????? 13,320 mg/ℓ. The growth of cells in the other region of bead except 18 % of bead radius from surface was inhibited by substrate and oxygen transfer resistance. From relationship of specific substrate removal rate and effluent ????? concentration, the kinetic constants were found as ??? = 8.57 ℓ/ℓ bead.day and ???? = 18.8ℓ/ℓ bead.day, respectively.
Ecabet sodium이 Helicobacter pylori에 감염된 인체 위상피세포에서의 핵전사인자 활성과 chemokine 유전자 발현에 미치는 영향
김정목 ( Kim Jeong Mog ),김주성 ( Kim Ju Seong ),정현채 ( Jeong Hyeon Chae ),강신재 ( Kang Sin Jae ),김나영 ( Kim Na Yeong ),이동호 ( Lee Dong Ho ),송인성 ( Song In Seong ) 대한내과학회 2003 대한내과학회지 Vol.65 No.2
Background : Helicobacter pylori stimulates nuclear factor-kappa B (NF-κB) activation and chemokine expression of gastric epithelial cells. Although ecabet sodium (ecabet), a locally acting anti-ulcer drug, is known to have an anti-H. pylori activity, the
Kim, Dong-Hyun,Han, Kyung-Min,Chung, In-Sik,Kim, Dae-Keun,Kim, Sung-Hoon,Kwon, Byoung-Mog,Jeong, Tae-Sook,Park, Mi-Hyun,Ahn, Eun-Mi,Baek, Nam-In The Pharmaceutical Society of Korea 2005 Archives of Pharmacal Research Vol.28 No.5
The flower of Campsis grandiflora K. Schum. Was extracted with 80% aqueous MeOH, and the concentrated extract was partitioned with EtOAc, n-BuOH and H$_2$O. From the EtO Ac fraction, seven triterpenoids were isolated through the repeated silica gel, ODS column chromatographies and preparative HPLC. From the result of physico- chemical data including NMR, MS and IR, the chemical structures of the compounds were determined as 3${\beta}$-hydroxyolean-12-en-28-oic acid (oleanolic acid, 1), 3${\beta}$-hydroxyurs-12-en-28-oic acid (ursolic acid, 2), 3${\beta}$-hydroxyurs-12-en-28-al (ursolic aldehyde, 3), 2${\alpha}$,3${\beta}$-dihydroxyolean-12-en-28-oic acid (maslinic acid, 4), 2${\alpha}$,3${\beta}$-dihydroxyurs-12-en-28-oic acid (corosolic acid, 5), 3${\beta}$,23-dihydroxyurs-12- en-28-oic acid (23-hydroxyursolic acid ,6) and 2${\alpha}$,3${\beta}$,23-trihydroxyolean-12-en-28- oic acid (arjunolic acid, 7). These teriterpenoids were isolated for the first time from this plant. Also, compounds 4, 5, 6, and 7 revealed relatively high hACAT-1 inhibitory activity with the value of 46.2${\pm}$1.1, 46.7${\pm}$0.9, 41.5${\pm}$1.3 and 60.8${\pm}$1.1% at the concentration of 100${\mu}$g/mL, respectively.
Ergosterol Peroxide from Flowers of Erigeron annuus L.as an Anti-Atherosclerosis Agent
Kim, Dong-Hyun,Jung, Sung-Je,Chung, In-Sik,Lee, Youn-Hyung,Kim, Dae-Keun,Kim, Sung-Hoon,Kwon, Byoung-Mog,Jeong, Tae-Sook,Park, Mi-Hyun,Seoung, Nak-Sul,Baek, Nam-In The Pharmaceutical Society of Korea 2005 Archives of Pharmacal Research Vol.28 No.5
Flowers of Erigeron annuus L. were extracted with 80% aqueous MeOH, and the concentrated extract was partitioned with EtOAc, n-BuOH, and H$_2$O. Repeated silica gel and OD S column chromatography of the EtOAc fraction led to the isolation of a sterol, through activityguided fractionation, using ACAT inhibitory activity measurements. From the physico-chemical data, including NMR, MS, and IR, the chemical structure of the compound was determined to be an ergosterol peroxide (1), which has been isolated for the first time from this plant. This compound exhibited hACAT-1 and Lp-PLA$_2$ inhibitory effects, with inhibitory values of 51.6 ${\pm}$ 0.9 and 51 .7 ${\pm}$ 1.2%, at a treatment concentration of 0.23 mM.
Kim, Hyae-Kyeong,Kong, Mi-Young,Jeong, Moon-Jin,Han, Dong-Cho,Choi, Jung-Do,Kim, Hak-Yong,Yoon, Kab-Seok,Kim, Jung-Min,Son, Kwang-Hee,Kwon, Byoung-Mog Elsevier 2005 The international journal of biochemistry & cell b Vol.37 No.9
<P><B>Abstract</B></P><P>Actinomycin D was previously reported as an inhibitor of Shc/Grb2 interaction in B104-1-1 cells. Actinomycin D arrested the cell cycle at the G1 phase at 1nM, which is about 10 times lower than the inhibition of Shc/Grb2 interactions in B104-1-1 cells. To evaluate other mechanisms of actinomycin D affected suppression of tumors and cell growth, except inhibition of Shc/Grb2 interactions, we examined the proteomic expression profile by proteomic technology. We found up-regulation of MEKK3 and down-regulation of Hsp70 expression from proteomic analysis, which is a very interesting observation because MEKK3 is strongly related with G1 arrest of cell cycle and Hsp70 is also involved in cell cycle regulation. These results indicate that the anti-tumor effects of actinomycin D is due to synergic effects of various proteins regulated by the compound including inhibition of the Shc/Grb2 interaction and other signaling pathways in the cytoplasm. Here we provide a mechanism-based explanation for growth inhibition by actinomycin D using proteomic technology. Thus, this approach may be a potentially useful method to reveal new mechanisms of active compounds or drugs with unknown cellular function.</P>
Contralateral Pulmonary Resection after Pneumonectomy
Jeong Ga Hee,Choi Yong Soo,Jeon Yeong Jeong,이정희,박성용,조종호,Kim Hong Kwan,Kim Jhingook,Shim Young Mog 대한심장혈관흉부외과학회 2024 Journal of Chest Surgery (J Chest Surg) Vol.57 No.2
Background: Contralateral pulmonary resection after pneumonectomy presents considerable challenges, and few reports in the literature have described this procedure. Methods: We retrospectively reviewed the medical records of all patients who underwent contralateral lung resection following pneumonectomy for any reason at our institution between November 1994 and December 2020. Results: Thirteen patients (9 men and 4 women) were included in this study. The median age was 57 years (range, 35–77 years), and the median preoperative forced expiratory volume in 1 second was 1.64 L (range, 1.17–2.12 L). Contralateral pulmonary resection was performed at a median interval of 44 months after pneumonectomy (range, 6–564 months). Surgical procedures varied among the patients: 10 underwent single wedge resection, 2 were treated with double wedge resection, and 1 underwent lobectomy. Diagnoses at the time of contralateral lung resection included lung cancer in 7 patients, lung metastasis from other cancers in 3 patients, and tuberculosis in 3 patients. Complications were observed in 4 patients (36%), including acute kidney injury, pneumothorax following chest tube removal, pneumonia, and prolonged air leak. No cases of operative mortality were noted. Conclusion: In carefully selected patients, contralateral pulmonary resection after pneumonectomy can be accomplished with acceptable operative morbidity and mortality.
일차 제균요법 실패 후 이차 삼제 병합요법에 의한 헬리코박터 파이로리 감염 재치료
김나영 ( Kim Na Yeong ),임선희 ( Im Seon Hui ),이계희 ( Lee Gye Hui ),구명숙 ( Gu Myeong Sug ),김정목 ( Kim Jeong Mog ),황진혁 ( Hwang Jin Hyeog ),김진욱 ( Kim Jin Ug ),이동호 ( Lee Dong Ho ),정현채 ( Jeong Hyeon Chae ),송인성 ( S 대한소화기학회 2003 대한소화기학회지 Vol.42 No.3
Background/Aims: Helicobacter pylori (H. pylori) treatments fail at least in 10-20% of patients. However, retreatment strategies after failure of initial treatment have not been established. This study was conducted to evaluate the eradication rate of retreatment choices. Methods: Twenty-seven peptic ulcer patients who were retreated with OAC (omeprazole+amoxicillin+clarithromycin) or BMT (bismuth+metronidazole+tetracycline) after failure of BMT or OAC were included. Quadruple therapy (omeprazole+BMT) was also tried after failure of two successive triple therapies. Furthermore, the effect of resistance of metronidazole or clarithromycin on the eradication of H. pylori was evaluated. Results: Among 13 patients who were retreated with OAC after failure of BMT regimen, H. pylori was eradicated in 10 patients (76.9%). Among 14 patients retreated with BMT after failure of OAC regimen, H. pylori was eradicated in 11 patients (78.6%). Resistance of H. pylori to metronidazole or clarithromycin decreased the efficacy of BMT or OAC, respectively. Conclusions: Eradication regimen should be decided considering the resistance to H. pylori. However, in case of unknown state of resistance, OAC can be chosen if BMT fails. Similarly, BMT can be tried in cases that OAC therapy failed. After failures of both triple therapies, quadruple therapy can be tried as the next step. (Korean J Gastroenterol 2003;42:195-203)