• Journal of The Korean Society of Clinical Toxicology
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• v.2 no.1
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• pp.41-44
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• 2004

With a recent well-being boom, our interest in chemical-free vegetables is also increasing. So, some people are trying to take in wild plants chosen by themselves. However, others often come to their rescue in an emergency department after eating them, caused by their misunderstanding poisonous herbs as edible vegetables. We have ever seen two persons carried into the emergency department with bradycardia and shock incurred by his intake by confusion between Caltha palustris and Ligularia fischeri lately. There were symptoms such as epigastric pain, nausea, vomiting and so on in their cases, and the symptoms of bradycardia and hypotension continued. Owing to sustained bradycardia and hypotension states, we applied a dopamine to a patient, and then the in-patient left the hospital two days later. We presumed the cause of the two symptoms appeared in two cases to be a saponin in Caltha palustris. For that reason, if someone has the bradycardia and hypotension symptoms from an unknown cause after taking in wild plants, they have to consider a toxication by the Caltha palustris. Therefore, this paper focused on the issue that unexpected poisoning would have to be prevented by studying about wild plants much more and informing the toxic risk from the plants.

• Journal of The Korean Society of Clinical Toxicology
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• v.3 no.2
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• pp.79-85
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• 2005

Purpose: With the recent boom in 'eating healthy', many adults are interested in dieting to prevent future diseases. However only well trained experts can distinguish between what are edible vegetables and herbs from their poisonous look-alikes. In cases where a patient unknowingly ingests a poisonous herb, is caught off guard by the poisonous side effects that occur because of their lack of knowledge of what they have ingested. This paper will focus on the need to educate the public about the risks involved with ingesting wild vegetables and herbs and study the emergency diagnosis and treatment of poisoned patients that enter the emergency room. Method: This study was done in the spring of 2004 (from March to May) in the Kangwon Young-Seo districts of Korea. 15 subjects used in this study, entered the emergency room showing signs of toxic symptoms. Data was collected by examining subject's records. Additional data was collected by collaborating with physicians in the hospital that diagnosed and treated the subjects. Identifying the poisonous vegetable or herb is the first step to proper diagnosis and treatment. Subjects admitted to the emergency room, underwent a battery of tests: laboratory examination, ECG, radiological exam and etc. Results: The demographics of the study encompassed subjects with the average age of $50{\pm}19$ years old. There were 10 men and 5 women. Common symptoms of this study included; gastrointestinal symptoms such as nausea, vomiting, epigastric pain and so on. In the case of Caltha palustris ingestion, additional symptoms were present; bradycardia and hypotension which lasted for a long time. While cases that ingested Scopolia parviflora had little effect on vital signs but manic episodes lasted for about three days. Veratrum patulum ingestion showed signs of bradycardia and hypotension but contrary to Caltha palustris recovery was shorten by treating with dopamine. However, dizziness, headache and paresthesia of the extremities continued for a long time. Finally Sium ninsi ingestion showed visual disturbance, paresthesia of the extremities, dizziness as their initial symptoms. Conclusion: The risks involved with ingesting wild plants without the proper knowledge can lead to serious side effects and steps need to be taken to educate the public. In addition, all emergency physicians need to have a working knowledge of the symptoms and signs associated with ingesting toxic wild plants and need to treat accordingly.

• Journal of the Korean Society of Tobacco Science
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• v.33 no.1
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• pp.8-15
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• 2011

Genus Nicotiana has 76 species including N. tabacum. These plants are used not only as a material for cigarette manufacturing but also as ornamental plant, medicinal plant, poisonous substance plant, and bug repellent plant. N. tabacum is used as a main material for cigarette manufacturing with N. rustica. N. sylvestris and N. alata is used as ornamental plants because of their beautiful flowers and N. rustica is used for bug repellent or pesticide because of its high concentration of nicotine. N. glauca, a tree tobacco, is used for bio-fuel production. N. tabacum is used as a popular model plant system for degeneration, regeneration, and transformation. N. benthamiana is also used as a model system for foreign gene expression by agroinfiltration. The transformation ability of tobacco plant is a good target for molecular farming. Hepatitis B virus envelop protein, E. coli heat-labile enterotoxin, diabetes autoantigen, and cholera toxin B subunit were produced using tobacco plants. Secondary metabolites of tobacco include nicotine, anabasine, nornicotine, anatabine, cembranoid, solanesol, linoleic acid, rutin, lignin and sistosterol, and they are used for various medicine productions which cannot be produced by organic synthesis for their complicated structures. In conclusion, we have to understand the applicability of tobacco plant in detail and study to enlarge the usage of the plants.

• YAKHAK HOEJI
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• v.8 no.2
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• pp.54-58
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• 1964

Effects on the bacteria gwoth of 96 kinds of crude drugs described in "Pen-Tsao-Kang-Mu" was investigated. Galla Rhois, Moutan Cortex Radicis, Aconiti Tuber, Euphorbiae Radix and PAeoniae Radix showed the antibacterial activity but Cnidii Rhizoma, Coicis Semen, Angelicae gigantis Radix, Asparagi Radix and Liriopes Tuber show the gwoth promoting action of all bacteria used in this experience. It can be seen that 10 kinds of crude drugs classified as poisonous plants inhibited the growth or had no effect by never promoted. 32 kinds of crude drugs as drugs acting on the gastrointestinal system showed antibacterial activity on E. coli $O_{55}$ and E. coli $O_{111}$. 18 kinds on inflammation showed antibacterial activity on Staphylococcus aureus and Sarcina lutea.

• Journal of The Korean Society of Clinical Toxicology
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• v.2 no.1
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• pp.27-30
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• 2004

Phytolaccaceae had been used as a pharmaceutical drugs or food in Korea. Nowadays, it is rarely used due to its toxicity, and then, case reports as to poisoning also are rare. Recently, Authors experienced a case of an occurrence in a group intoxication after ingestion of roots of phytolacca american a misidentifying as arrowroot. We report this case with review of phytolacca radix poisoning.

• Proceedings of the Korea Information Processing Society Conference
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• 2018.10a
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• pp.660-663
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• 2018

최근 5년간 식용 나물과 독초를 구별하지 못한 채 섭취하여 다수의 환자가 발생하였다. 본 논문에서는 인체에 치명적인 결과를 일으킬 수 있는 독초를 CNN을 통해 분류하는 시스템을 제안한다. 부족한 양의 샘플 데이터는 데이터 확장 기법을 통해 확보하였고, 연구에 사용된 하드웨어의 한계를 극복하기 위해 전이학습을 적용하였다. 실험은 데이터 확장과 전이 학습 적용 여부에 따라 4가지 유형별로 진행되었으며, 각 유형은 20회씩 반복한 테스트의 결과를 종합하여 평균을 내었다. 이와 같은 실험에서 의미 있는 결과를 얻었다. 본 논문의 시스템을 이용한 독초 섭취 사고의 예방이 기대된다.

• Korean Journal of Environmental Biology
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• v.24 no.3
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• pp.282-293
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• 2006

Mt. Seokseong is located $37^{\circ}15'15'{\sim}37^{\circ}17'00'N$ in latitude at $127^{\circ}09'30'{\sim}127^{\circ}11'00'E$ in longitude in Yongin. The investigated vascular plants consist of total 293 taxa: five forms, 45 varieties, 243 species, 175 genera, 75 families, 34 orders, four classes. Twenty two special plants designated by Environment Ministry were investigated: five grade for one taxon, four grade for one taxon, three grade for six taxa, two grade fay three taxa, and one grade for 11 taxa. As for the useful plants, there were 141 taxa of edible ones (48.1%), 68 taxa of medicinal ones (23.2%), 33 taxa of ornamental ones (11.3%), 62 taxa of industrial ones (21.2%), and two taxa of poisonous ones (0.7%) respectively. As the above results, there are abundant plant resources in this area. But it needed to protect natural resources in this area, because of threatening factors such as urbanization and/or industralization in the adjacent area.

• Korean Journal of Air-Conditioning and Refrigeration Engineering
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• v.9 no.3
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• pp.292-299
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• 1997

Ammonia has been used as refrigerant for more than 100 years in absorption as well as in compression systems. Due to its poisonous and inflammable properties, however, its use has been mainly on heavy industrial plants in which regular maintenance are available. For these systems, condensers are generally water-cooled. This is suitable for large systems over 20 RT but is not suitable for small systems. In order to apply ammonia for a small system, it is important to adopt an air-cooled condenser. In this study, simple numerical analysis of an air-cooled condenser for an ammonia refrigeration system has been carried out. The condenser is designed as horizontal tubes with plate fins attached at the outer surface to enhance the air-side heat transfer rate. Effects of fin shape and arrangement are studied in detail. Since the local heat transfer coefficient is highest at the leading edge, heat flux is highest at the edge and decreases along the distance. Conditions of inlet air are also varied in the study and condenser length that is required for full condensation is calculated. The results show that it is important to enhance both the air-side and internal heat transfer coefficients.

• International Journal of Air-Conditioning and Refrigeration
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• v.6
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• pp.104-112
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• 1998

Ammonia has been used as refrigerant for more than 100 years in absorption as well as in compression systems. Due to its poisonous and inflammable properties, however, its use has been mainly on heavy industrial plants in which regular maintenance is available. For these systems, condensers are generally water∼cooled. This is suitable for large systems over 20RT but is not suitable for small systems. In order to apply ammonia for a small system, it is important to adopt an air-cooled condenser. In this study, simple numerical analysis of an air-cooled condenser for an ammonia refrigeration system has been carried out. The condenser is designed as horizontal tubes with plate fins attached at the outer surface to enhance the air-side heat transfer rate. Effect of fin shape and arrangement are studied in detail. Since the local heat transfer coefficient is highest at the leading edge, heat flux is highest at the edge and decreases along the distance. Conditions of inlet air are also varied in the study and condenser length that is required for full condensation is calculated. The results show that it is important to enhance both the air-side and internal heat transfer coefficients.

• Journal of Physiology & Pathology in Korean Medicine
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• v.18 no.3
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• pp.846-853
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• 2004

This study was carried out for establishment of toxicological monitoring system in oriental medicinal plants. Hence on our research, we used Banha(Pinellia ternata) and Kangbanha, Bubbanha, Jaebanha, Geokbanha by distinguished processing methods. These are frequently used in Bangyakhabpeon, which is one of the most well-known clinical book in oriental medicine. As we reviewed the reported documents, we judge homogentisic acid(HA) and 3,4-dihydroxybenzaldehyde(3,4-DBA) as poisonous substance and to verify its existence, we established analysis condition of HPLC by gaining sequential fraction extracts and studied the degree of its virulence to provide basic information on the guidelines of using this medicine. Optimum condition of HPLC was H₂O : MeOH : CH₃COOH (57:35:8) in HA and 3,4-DBA analysis. HA content of raw Banha was 11.03mg/100g and HA contents of its processed product were decreased. Exceptionally, Jaebanha was increased in 175.97% than raw Banha. 3,4-DBA content of raw Banha was 2.93mg/100g and 3,4-DBA contents of its processed product were decreased. These results will be applies in intake guideline establishment, quality control and stability evaluation of oriental medicinal plants.