• Applied Biological Chemistry
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• v.39 no.1
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• pp.20-24
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• 1996

Pseudomonas fluorescens ps88 was isolated from the rhizosphere soil produced the secondary metabolite called siderophore under iron Limited conditions. On iron limiting KMB medium this strain inhibited the growth of Pythium ultimum, Pyricularia oryzae, Rhizoctonia solani and Xanthomonas oryzae. Cucumber seeds were coated with the strain ps88 and were grown in green house soil. Forty days after the seed emergence, disease incidence caused by Fusarium oxysporium was reduced up to 50%. When the cucumber plants were grown in vermiculite, a significant fresh weight was increased. Root development of red pepper plants was also enhanced on MS medium supplemented with siderophore.

• Korean Journal of Plant Tissue Culture
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• v.21 no.2
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• pp.65-68
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• 1994

Plant regeneration from the stem tissue of Orostachys japonicus A. Beiger was investigated. The calli derived from shoot apex when apex when cultured on Murashige and Skoog (MS) medium supplemented with 4mg/L 2,4-dichlorophenoxyacetic acid (2,4-D)and 2 mg/L benzyl aminopurine (BAP). The calli were developed into shoot to MS medium with 0.5mg/L NAA and 2mg/L and into root with 1mg/L kinetin. The reddish pigment which might be essential for the rootregeneration was observed in the tip of regenerated root.

• Transactions of the Korean Society of Mechanical Engineers A
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• v.27 no.6
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• pp.930-937
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• 2003

The extension of design life among power plants is increasingly becoming a world-wide trend. Kori #1 unit in Korea is operating two cycle. It has two man-ways for tube inspection in a steam generator which is one of the important components in a nuclear power plant. Especially, stud bolts fur man-way cover have damaged by disassembly and assembly several times and degradation for bolt materials for long term operation. It should be evaluated and compared by ASME Code criteria for integrity evaluation. Integrity evaluation criteria which has been made by the manufacturer is not applied on the stud bolts of nuclear pressure vessels directly because it is controlled by the yield stress of ASME Code. It can apply evaluation criteria through FEM analysis to damaged female threads and to evaluated safety fer helical-coil method which is used according to Code Case-N-496-1. From analysis results, we found .that it is the same results between stress intensity which got from FEM analysis on damaged female threads over 10％ by manufacture integrity criteria and 2／3 yield strength criteria on ASME Code. It was also confirmed that the helical-coil repair method would be safe.

• Pediatric Infection and Vaccine
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• v.13 no.2
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• pp.196-200
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• 2006

Congenital toxoplasmosis is caused by vertical transmission of Toxoplasma gondii from mother during pregnancy. The broad clinical spectrum of congenital toxoplasmosis ranges from stillbirth or death shortly after birth to survival with either cerebral damage or mild or subclinical disease, consisting usually of ocular involvement. The authors experienced a case of congenital toxoplasmosis in prematurity baby whose mother had lived recently in Africa. The diagnosis of congenital toxoplasmosis was confirmed on the basis of clinical finding of chorioretinitis and positive serologic test for toxoplasma IgM antibody.

• Journal of Dental Rehabilitation and Applied Science
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• v.23 no.4
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• pp.337-358
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• 2007

Purpose This study was performed to evaluate the stability of dual thread implant using resonance frequency analysis in human. Materials and methods Fifty-five patients(32 males and 23 females) with a mean age of 50 years and 1 month who were treated during March, 2005 to July, 2007 in Pusan National University hospital. Totally 145 dual thread Implants were installed and initial stability was measured by Osstell $Mentor^{TM}$. After 3-6 Months, secondary stability was measured at the time of second surgery or before prosthetic treatment. Results At the time of 1st surgery, average ISQ value was $75.12{\pm}12.06$. Only 1 implant was failed during the healing period. Before prosthetic treatment, ISQ values were measured and its mean value was $80.94{\pm}6.12$. Conclusion These results suggest that the increased stability of the implant verifies the clinical relevance of double thread implant.

• Journal of Korean Society of Forest Science
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• v.81 no.2
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• pp.183-190
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• 1992

The influence of various levels of major medium components such as sucrose, nitrate, phosphate, plant growth regulators, and light intensity for cell growth and the production of anthocyanin content in cell cultures of Populus alba ${\times}$ P. glandulosa were investigated. Best results for anthocyanin yield were obtained using Murashige and Skoog(MS) medium containing 5% sucrose, 12.5% nitrate, 200% phosphate, 1.0mg/l indole-3-acetic acid(IAA), 1.0mg/l benaylaminopurine(BAP), and continuous illumination of 7,000 lux. On the other hand, maximum cell growth was achieved with 5% sucrose, 50% nitrate above 400% phosphate compare with that of MS basal mediumi, and 0.5mg/l 2, 4-dichlorophenoxyacetic acid(2, 4-D). Anthocyanin accumulation in a suspension cultured cells of given genotype was stimulated by subculturing onto the medium lacking 2, 4-D. Pigmented cell clusters were extracted with methanol containing 1% hydrochloric acid (HCl) and then anthocyanin was identified by thin layer chromatography (TLC) and U. V. spectrophotometer.

• Korean Journal of Organic Agriculture
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• v.26 no.3
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• pp.453-462
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• 2018

This study was conducted to compare the mortality number of swine between before and after HACCP implementation on different scales of swine farm. The study was carried out by randomly selected sixty swine farms (twenty small, twenty midium and twenty large scales of farm) located in all around Korea. The results were as follows: In small scale swine farm, The mortality number due to respiratory, diarrhea and accidental death tended to be decreased compared to before HACCP implementation. In the case medium scale farm, the mortality number due to diarrhea significantly decreased after HACCP compared to before HACCP. Also, in both medium and large scale farms, the number of total mortality number significantly decreased with HACCP implementation. We believe that this effect is considered to be due to the operation of the HACCP prerequisite program. We are expecting that our results might be used for producing safer livestock products by improving livestock products HACCP policy.

• Korean Journal of Veterinary Research
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• v.37 no.4
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• pp.765-772
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• 1997

제주지역 돼지에서 각종 전염성 질병 원인체에 대한 항체를 조사하여 그간 전염성 병원체에 대한 역학조사가 미진하였던 부분을 보완하여 질병의 분포를 파악하고자 1995년부터 1996년에 걸쳐 제주도 전역에서 돼지의 혈청을 채취하여 각종 병원체에 대한 항체 분포율을 조사하였다. 본 연구에서 검사한 돼지 혈청 시료에서는 돼지 오제스키병 바이러스에 대한 항체는 전혀 검출되지 않았다. 돼지 콜레라바이러스에 대한 항체는 기대 수준 이하로 낮아 백신접종이 원활히 수행되고 있지 않음을 시사하였으며 특히 농장에 따라 항체 보유돈과 항체 음성돈이 혼재하는 농장과 항체가 전혀 검출되지 않는 농장 등 돼지 콜레라 방역의 사각지대가 존재할 가능성이 있음을 보여주었다. 유 사산 원인체인 돼지 파보바이러스 및 뇌심근염에 대한 항체가가 다양하게 나타나 일부 문제가 있을 것으로 사료되었다. 돼지 생식기호흡기증후군(PRRS) 바이러스에 대한 항체 분포율은 내륙 보다 다소 낮게 나타났고, 돼지 influenza virus, 위축성 비염, 흉막 폐염 등 각종 세균성 질환에 대한 항체수준도 다양하게 나타났다. 본 혈청학적인 연구결과는 제주지역에서의 양돈방역 정책수립 및 질병방제의 기초자료로 유용하게 이용될 것으로 사료된다.

• The Journal of Korean Obstetrics and Gynecology
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• v.23 no.4
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• pp.164-175
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• 2010

Purpose: The purpose of this study is to report the effect of Traditional Korean Medicine therapy for patient in the state of post stillbirth by oligohydramnios Methods: The patient in this case was 33-year-old female who was pregnant by artificial insemination in 2010. Intrauterine growth restriction was discovered at 17 weeks after gestation. And oligohydramnios was found at 20 weeks after gestation. Amnioinfusion was done three times, amniotic fluid infection occurred in the process of amnioinfusion and she had a stillbirth. After stillbirth she came to our clinic with symptoms of abdominal tenderness, distention, mammalgia. The patient was treated by traditional herbal medicine therapy such as Saenghwa-tang(生化湯), Gungguijohyeol-eum(芎歸調血飮), Silso-san(失笑散) and Sasang constitution medicine(荊防地黃湯, 荊防敗毒散, 荊防瀉白散). The progresses of symptoms were evaluated by visual analogue scale. Results: After Traditional Korean Medicine therapy, the patient's symptoms caused by stillbirth was improved. Conclusion: This case study shows that the postpartum treatment in Traditional Korean Medicine therapy and Sasang constitution medicine is effective for the patient in the state of post stillbirth.

• Journal of Environmental Health Sciences
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• v.44 no.5
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• pp.468-479
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• 2018

Objectives: Recently, a report was published that the humidifier disinfectant CMIT/MIT did not cause developmental toxicity and was not detected in systemic circulation as a result of an inhalation toxicity test. Therefore, this study was carried out to investigate any associations between CMIT/MIT exposure and developmental toxicity using the in vivo apical toxicity test method. Methods: Groups of pregnant ICR mice were instilled in the trachea with chloromethylisothiazolinone/methylisothiazolinone (CMIT/MIT) using a visual instillobot over a period of seven days from days 11 to 17 days post-coitum. For the in vivo apical toxicity test method, an $LD_{50}$-based dose-range finding model was applied to decide the dose range for inducing developmental toxicity. Results: Among the groups of 0, 0.1, 0.5, 1.0, and 1.5 mg ai/kg/day CMIT/MIT, the exposure groups of 0.5 mg and 1.0 ai/kg/day CMIT/MIT were estimated to reflect the thresholds for the stillbirth and death of pregnant mice, respectively. The groups of 0.5, 1.0, and 1.5 mg ai/kg/day CMIT/MIT induced stillbirth rates of 2.57, 10, and 53.8%, respectively. Another exposure group of 0.75 mg ai/kg/day CMIT/MIT did not induce any deaths of pregnant mice and resulted in a stillbirth rate of 8% in only one of six pregnant mice. Conclusions: CMIT/MIT can induce stillbirth in pregnant mice. It was also concluded that CMIT/MIT moves through the pulmonary circulation system and then continues on through systemic circulation and the placenta. There is a possibility of stillbirth and other health causalities in humans beyond the lungs caused by CMIT/MIT exposure.