Stain improvement in the white button mushroom ‘Seolgang’ and its varietal characteristics in Agaricus bisporus

Byung-Joo Lee,Mi-Ae Lee,Yong-Gyun Kim,Kwang-Won Lee,Yong-Pyo Lim,Byung-Eui Lee,Ho-Yeon Song 한국버섯학회 2012 한국버섯학회지 Vol.10 No.4

The button mushroom (Agaricus bisporus) is one of the most widely cultivated important edible mushroom species. In the breeding of new button mushroom, ‘Seolgang’ was developed by crossing two monokaryons ‘CM020913-27’ and ‘SSU423-31’. Because of the secondarily homothallism, only a small percentage of the basidia produce 3 or 4 spores, which are mostly haploid (n) and do not fruit. Single spore cultures derived from these types of spores produce a vegetative mycelium that also contain a variable number of genetically identical nuclei per cell called monokaryon. The lack of clamp connections between monokaryon and dikaryon required a series of mycelial culture and fruiting test. After crossing, hybrids were cultivated on a small scale and on a commercial scale at a farm. For this, the spawn was made by a commercial spawn producer and the spawned compost by a commercial compost producer. Mycelial growth of ‘Seolgang’ on CDA was better at 20℃ and 25℃ when it was compared with that of ‘505 Ho’. The mature cap shape of new strain ‘Seolgang’ is oblate spheroid and the immature cap shape is round to oblate spheroid. The cap diameter was 41.2 mm on average. In comparison with white strain ‘505 Ho’, the strain had a yield that was 9% higher. It produced fruiting bodies which had a higher weight on average per fruiting body and were 19% firmer with a good shelf life. Days of fruiting body were 3-4 days later than those of ‘505 Ho’. The physical characteristics such as elasticity, chewiness, adhesiveness were better than that of ‘505 Ho’. Genetic analysis of the new strain ‘Seolgang’ showed different profiles compared to ‘505 Ho’, CM02913-27, SSU413-31, when RAPD primers A02 and O04 were used.

역위 매복된 상악 중절치의 외과적 재위치 후 치근 발육 정지

송제선,최병재,최형준,김성오,손흥규,이제호 대한소아치과학회 2007 大韓小兒齒科學會誌 Vol.34 No.1

상악 중절치의 매복은 소아 환자의 심미적 사회적 기능적 문제를 일으킬 수 있어 적절한 치료를 통해 바로잡아 주어야 한다. 상악 중절치 매복의 치료로 외과적 노출 후 교정적 견인이 어려울 경우 발치하기에 앞서 외과적 재위치(surgical repositioning) 혹은 치조 내 자가치아이식(intra-alveolar autotransplantation)을 고려해 볼 수 있다. 본 증례는 5세 9개월 된 남아의 역위 매복된 상악 우측 중절치를 치근 발육 초기인 Nolla's stage 6.5에 부분 맹출된 위치로 외과적 재위치를 시행하여 자발적 맹출을 기대하였으나 21개월 간의 추적 검사 결과 치관 발육 및 맹출이 정지된 증례이다. 그 원인으로서 수술 시 치배를 발거하고 치조와를 적합하는 과정에서 Hertwig's epithelial root sheath(HERS)가 손상 받았기 때문으로 생각된다. 매복 치아의 외과적 재위치 시에는 본 증례와 같이 합병증 발생 가능성이 있으므로 신중한 적응증의 선택, 치근 발달 정도를 고려한 적절한 치료 시기의 결정, 최소한의 손상을 주는 외과적 술식 등의 노력이 필요할 것이다. Impaction of the maxillary central incisor may cause social, esthetic, and functional problems in children. There are various means of treatment for the inverted maxillary central incisor, such as extraction, surgical opening followed by orthodontic traction, surgical repositioning or intra-alveolar autotransplantation prior to extraction. In this case, we surgically repositioned the inverted maxillary central incisor to normal semi-erupted position in a 5-year-old boy. The developmental stage of the inverted tooth was Nolla’ s 6.5, which indicates formation of less than one third of the root. After surgical reposition, we did follow-up for 21 months, expecting spontaneous growth. Unfortunately, poor prognosis was noted : further root was not observed. Such failure seems to originate from possible injury on Hertwig’ s epithelial root sheath by surgical trauma. We performed surgical repositioning to retain the tooth instead of extraction. However, arrest of root development occurred, which is one of the critical complications. In order to increase the success rate of the surgical reposition procedure, minimal surgical trauma is required as well as selection of adequate indication and decision of proper time of treatment considering the stage of root development.

연료가스 생산을 위한 석탄가스화반응 특성

송병호 국립7개대학공동논문집간행위원회 2002 공업기술연구 Vol.2 No.-

Catalystic steam gasification of char has been carried out in a thermobalance with a mixture of potassium sulfate and nickel nitrate as catalyst. The catalytic activity of the salt mixture is found to be fairly good, but does not reach the activity of potassium carbonate. Steam gasification of coal has been performed in a 0.15 m i.d. × 2.0 m height internally circulating fluidized bed with coal feed rate of 2.3 ㎏/h. The composition of product gases from both the annulus and draft tube region have been measured. At reaction temperature of 800℃, the calorific value of gas evolved from the annulus is found to be relatively high as 7.5MJ/㎥. Some modification of the reactor configuration will help to reduce the entrainment of fine particles.

蜜蜂이 산딸기의 結實에 미치는 影響

宋又準,金丙鎬 진주농과대학 1968 진주농과대학 연구논문집 Vol.- No.7

산딸기 主産地 住民들이 蜜蜂의 有害說을 主張하여 蜜蜂의 轉飼를 배척하고 蜜蜂의 訪花는 싸락딸기가 되게 한다는 여러 가지 有害說을 해소시켜 주기 爲하여 산딸기에 蜜蜂의 花粉媒介 效果試驗을 實施하였던바 다음과 같은 結果를 얻었다. 1) 산딸기는 蜜蜂의 訪花가 없으면 0.059%의 結實에 不可하였고 無蜂區 100으로한 指數比는 有蜂區가 1963으로 산딸기 結實에 蜜蜂의 訪花는 必要한 要因이며, 多收?에 큰 功獻을 한다. 2) 果實重量은 有蜂區는 最少 1g에서 最大 3g으로 平均 1.76 ±0.081g 無蜂區는 最少 0.03g에서 最大 0.1g으로 平均 0.05 ±0.003g로서 현저한 差異가 있었으며, 이로서 蜜蜂의 訪花는 果實의 正當化와 重量을 增加하고 品質을 良好케하여 주어 單位面積當 增收를 圖媒하고 있다. 3) 1果當 果粒數는 有蜂區가 最少 37에서 最多 126 平均 71.61 ±3.63個 無蜂區는 最少 1에서 最多 5個 平均 2.29 ±0.19個로서 蜜蜂의 訪花가 없으며, 싸락딸기가 全部되고 따라서 商品價値가 전혀없어 졌으며, 生産의 經濟性을 完全히 상실하였다. 4) 산딸기는 蜜蜂이나 基他 有用昆蟲에 依한 他花授精을 위주로 結實되는 蜜源植物로 考察되어졌다. 5) 産蜜成績이 優秀하여 蜜源價値가 優秀하고 또 산딸기는 蜜源植物로서 보급의 장래성이 기대된다. The dwellers cultivating wild berry in its chief producing districts keep bee-keepers from moving their beehives to the districts because they belive that the wild berry visited by honey-bee becomes the Salak wild berry. Therefore this experiment was conducted to remove the misunderstanding that honey-bee is harmful to the wild berry. The experimental results obtained were as follows; 1. When wild berry was not visited by honey-bee, it bore only 0.059% fruit. Comparing rate of an exponent the wild berry visited by honey-bee was 1693 against the wild berry not visited by honey-bee 100. The wild berry had good yield because it was visited by honey-bee. 2. In weight of wild berry fruit the wild berry visited by honey-bee averaged 1.76 ±0.081g from the minimum 1 g to the Maximum 3 g and the wild berry not visited by honey-bee averaged 0.05 ±0.003 g from the minimum 0.03 g to the maximum 0.1 g. Therefore wild berry-viewing of honey-bee was the cause of the wild berry normalcy, gained weight and good quality. 3. In numbers of granules the wild berry visited by honey-bee averaged 71.61 ±3.63 from the minimum 37 to the maximum 126 and the wild berry not visited by honey-bee avereged 2.29 ±0.19 from the minimum 1 to the maximum 5. Therefore as the wild berry was not visited by honey-bee, it all became Salak wild berry and lost the economic value of its production. 4. It was considered that the wild berry was the honey plant chiefly cross-fertilized by the honey-bee and other insects. 5. As the wild berry yielded much honey and was an important honey plant, it was expected to become popular as an economic honey plant.

복어중독에 의한 가사 상태에서 소생한 1예

송승찬,신진호,강석우,박경남,최호순,박근태,문희식,기춘석,이성희,윤병철,노우균,조균석,이민호 大韓應急醫學會 1998 대한응급의학회지 Vol.9 No.3

Tetrodotoxin is a neurotoxin produced by about 90 species of puffer fish and causes paralysis of central nervous system and peripheral nerves by blocking the movement of all monovalent cation. Ingestion of tetrodotoxin produces clinical manifestations such as paresthesias(within 10-45 min), vomiting, lightheadedness, salivation, muscle twitching, dysphagia, difficulty in speaking, convulsion and death that expressed by cardiopulmonary arrest with loss of brain stem reflex sometimes. Tetrodotoxin prevents or delays ischemia induced neuronal death by way of following 3 mechanisms. Firstly, it reduces the energy demand of the brain tissues. Secondly, it delays or even prevents anoxic depolarization. Finally, it deminishes ischemia induced cell swelling and cerebral edema. We report a case of puffer fish poisoning which presented with cardiopulmonary arrest and loss of brain stem reflex, but completely recovered by aggressive cardiopulmonary resuscitation.

중간재무역과 경제성장

송병호 韓國計量經濟學會 1998 계량경제학보 Vol.9 No.-

본 논문은 여러 종류의 직업(jobs)이 있고, 각각의 직업에 필요한 인적 자본이 특화되어 있는 경우에 중간재무역이 경제성장에 미치는 효과를 분석하고자 한다. 즉, 능력이 다른 노동자가 여러 종류의 다양한 직업에 어떻게 배분되며, 중간재무역은 이 배분을 어떻게 변화시키고, 이로 인한 경제성장에의 파급효과는 무엇인지, 두 나라가 존재하는 일반균형모형을 통하여 분석해 보고자 한다.

한국기업의 비지네스 프로세스 리엔지리어링 도입에 따른 성패 요인 분석

송상호,강병서,서영호 경희대학교 경영연구소 1997 경영연구 Vol.- No.2

Business process reengineering (BPR) is a business concept in 1990s. With a focus on changing customer-oriented core business process, BPR has been extensively applied to Korean companies for the past several years. Some companies have fully achieved management innovation up to their goals through it; others have not. Futhermore, it happened that a few firms gave up on the way. In case that a firm failed in applying the technique to management innovation properly, the efforts fruitlessly resulted in waste of valuable time and resources. The purpose of this study is to identify factors on the successful introduction of BPR to Korean firms and to present a model for them. In order to accomplish the purpose of the study, we proceeded the following steps. First, relevant literature was reviewed for understanding the concept of BPR. Second, a conceptual framework was established, based on the reviewed literature. Third, empirical analyses of Korean companies were conducted on the collected data. Fourth, best practices were identified on the basis of the empirical analyses, which led us to make conclusions for this research. Thirteen companies participated in this study. The number of case processes included in the analyses were 31 in total. Each case was broken down into four stages of BPR: introduction, team formation and consultant selection, design, and implementation. In-depth case studies were conducted so as to identify the factors to influence on the performance of BPR. Based on the findings, conclusions were made as follows: 1. Introduction stage (1)Necessity of change recognized by all employees, and their full commitment to sustained change (2)Strong support of top management (3)Preparation for the management change and resistance (4)Link BPR goals to company strategy 2. Team formation and consultant selection stage (1)Various members with best expertise in their own field. (2)Designation of line man as responsible process owner (3)Full-time members for BPR team (4)Selection of a well-qualified consultant with integration concept 3. Design stage (1)Idendity of customer values (2)Various versions in accordance with customer values (3)Derivation of key sucess factors and quantitative performance indicators (4)Development of innovation strategy through benchmarking (5)Observation of principles in process design using information technology 4. Implementation stage (1)Impact assessment of new process to the current organization (2)Establishment of a model for the organization change resulting from the process change.

백서의 복강내에 투여한 Mitomycin-C-Polyglycolic acid 제형이 장기에 미치는 영향에 관한 연구

송규상,강대영,최정목,노승무,정경수,오정연,김진향,양준목,최선웅,이진호,조준식,민병무,김용백,김창식,박근성,김승영,김학용,인현빈 충남대학교 의과대학 지역사회의학연구소 1998 충남의대잡지 Vol.25 No.1

To evaluate the in-vivo effects of mitomycin-C-polyglycolic acid composite(MMC-PGA) the disk: shaped composite were implanted into the peritoneal cavity of the Sprague-Dawley rats. The pathologic changes were examined at various time points up to 12 weeks. Initially the soft tissue around the inserted disks showed capillary congestion at 3 days. Inflammatory infiltrates with foreign body giant cells appeared from the 2nd week and reached peak response at 6-8 weeks. These reaction diminished prominently at 12 weeks. No specific pathologic change was found in the liver, the kidneys, and the heart. The above results suggest that the MMC-PGA composite can serve as a new device for intraperitoneal chemotherapy of various types of cancers.

알칼리염과 니켈염의 혼합물을 촉매로 한 역청탄 촤의 수증기 가스화 반응특성

송병호,장용원,변윤섭 한국화학공학회 2003 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.41 No.3

호주산 역청탄 촤의 수증기 가스화반응에서 알칼리염과 니켈금속염의 혼합물(K_2So_4=Ni(NO_3)_2)이 나타내는 촉매활성을 상압하의 열천칭반응기를 사용하여 온도 650-850℃ 범위에서 조사하였다. 알칼리염 촉매에 니켈금속염을 부가하면 가스화반응속도의 상승효과를 얻을 수 있는데, 반응온도가 낮을수록 그 효과가 크게 나타나 650 ℃에서 약 2배의 반응속도를 얻었다. 본 혼합물은 가스화반응에서 뛰어난 활성을 보이는 K_2CO_3의 활성에는 미치지는 못하지만 경제적인 촉매물질로서의 가능성을 보였다. 가스화반응에서 뛰어난 활성을 보이는 K_2CO_3의 활성에는 미치지는 못하지만 경제적인 촉매물질로서의 가능성을 보였다. 가스화반응의 kineic인자를 도출하기 위하여 여러 가지 기-고체 반응모델을 적용한 결과 화학반응 율속인 수축핵모델과 수정된 체적모델이 가스화반응의 거동을 잘묘사하였다. 역청탄의 촤-수증기 가스화반응의 겉보기 활성화에너지는 99kJ/mol로 얻어졌으며 혼합물촉매를 사용한 촉매가스화반응에서는 84kJ/mol이 얻어졌다. 촤-제조시의 열처리 온도가 가스화반응속도 및 촉매의 활성에 미치는 영향도 고려하였다. The catalytic actibityof a salt mixture of potassium sulfate and nikel nitrate on the steam gasification of a bituminous char at 650-850 ℃ has been measured in an atmosheric themobalance reactor. The mixture of K_2SO_4 and Ni(NO_3)_2 exhibits a synergic effect on the activity and the effect is more pronounced at low temperatures. Double the reaction rate could carbonate which is known to be one of the best catalysts in coal gasification, the mixture does nor reach that of potassium carbonate which is known to be one of the best catalysts in coal grasification, the mixture does not reach that of potassium carbonate which is known to be one of the best catalysts in coal grasification, the mixture seems to be an economically kinetic parameters, the shrinking core model in chemical reaction controlled regime and the modified volumetric model well describe the gasification behavior. The apparent activation energy of non-catalytic gasification was found to be the catalytic activity was also cinsidered.

제주지역 만성 B형 간질환 환자에서 임상 양상에 따른 HBV 유전자형의 분포

송병철,김범준,정주영,염충호,이대호,김진석 제주대학교 생명과학연구소 2003 제주생명과학연구 Vol.6 No.1

Background/Aims: The genotype of HBV has been suggested to correlate with the clinical outcome of HBV infection. We analyzed the distribution of HBV genotype according to the clinical outcome of HBV infection in Jeju island. Methods: A total of 145 HBsAg-positive samples were enrolled. To identify specific patterns of HBV genotypes, we performed restriction fragment length polymorphism (RFLP). If typical restriction pattern of RFLP was not determined, phylogenetic analysis was performed. Results: RFLP analysis was possible in 65 patients. Clinical diagnoses of the 65 patients with chronic liver disease were as follows: HBeAg-positive healthy carrier (HBeAg+, anti-HBe-, HBV DNA+, transaminase normal: n=20): HBeAg seroconversion (n=12): chronic hepatitis B (n=14): liver cirrhosis (n=9): hepatocellular carcinoma (n = I0). Sixty-two patients showed typical restriction pattern by HinfI. However, 3 patients showed unique restriction pattern by HinfI, which were not reported in literature. When phylogenetic analysis was performed to classify the genotype of these 3 patients, they were also genotype C. Whereas, all patients showed typical restriction patterns by Tsp509l, which were reported in genotype C. Conclusion: All chronic HBV infection are genotype C in Jeju island regardless of clinical outcome.