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흰점박이꽃무지(Protaetia brevitarsis)의 유충사육 시 적정밀도 규명
최성업,최인학,손진성,정태호,Choi, Sung-Up,Choi, In-Hag,Son, Jin-Sung,Chung, Tae-Ho 한국환경과학회 2021 한국환경과학회지 Vol.30 No.2
This study aimed to provide information and data for the management of insect breeding farms by identifying the appropriate density when rearing Protaetia brevitarsis larvae. The breeding box of the insects was filled with 2 L of fermented sawdust on a 50 × 35 × 15 cm sheet of plastic, and the density of the treatments was 200, 300 and 400 P. brevitarsis in the first, second, and third larval stages. Each treatment was repeated five times, and the sawdust medium was replaced three times (10 intervals). The experiments were conducted for a total of 30 days from March 1, 2020. Overall, 200 P.brevitarsis in the first, second, and third larval stages reared in the breeding box had a higher average survival rate and lower average mortality rate, thereby contributing to efficient production. In conclusion, this result suggests a way to increase production efficiency through the environmental management of insect breeding farms.
4가지 다른 사료를 흰점박이꽃무지 유충에게 급여시 유충의 체중과 생존율에 미치는 영향
최성업,최인학,정태호,Choi, Sung-Up,Choi, In-Hag,Chung, Tae-Ho 한국환경과학회 2020 한국환경과학회지 Vol.29 No.9
This study evaluated the effect of four different feeds on the larval weight and survival rate of Protaetia brevitarsis seulensis (PBS) over five weeks. Four different types of feed (self-fermentation medium, RM medium, Samsung livestock medium, and bean-curd dregs medium) were given to third-instar larvae of PBS. Weight changes and survival rates of PBS larvae were measured weekly for five weeks. During the experimental period PBS larvae showed the highest growth in Samsung livestock medium, followed by bean-curd dregs medium, RM medium, and self-fermentation medium. Survival rate of PBS larvae were the lowest in bean-curd dregs medium, and then in the Samsung livestock medium. Using the Samsung livestock medium can shorten the delivery period of PBS larvae by approximately 40 days based on the larva shipped on average 75 days. Therefore, this study provides information and data on insect farming techniques useful for insect industrialization.
흰점박이꽃무지 산란 특성 조사(2) - 월동(동면) 유충을 중심으로 -
최성업,최인학,손진성,정태호,Choi, Sung-Up,Choi, In-Hag,Son, Jin-Sung,Chung, Tae-Ho 한국환경과학회 2020 한국환경과학회지 Vol.29 No.7
The present study was investigated the oviposition characteristics of Protaetia brevitarsis seulensis with a focus on winter larvae to improve the utilization of insect resources. The average oviposition tendency and average cumulative number of eggs laid during a 7-week period were measured in adults emerging from larvae that had hibernated for 4 months in five farmhouses. The study covered five zones: Gimje, Jangsu, Wanju, Iksan and Yeoju. The average oviposition tendency over a 7-week period showed increased egg laying between 2 to 3 weeks and 5 to 6 weeks. Overall, it was found that the average cumulative number of eggs laid during the 7-week period was initially low and increased proportionally with time. Our results suggest that using adults that have emerged from hibernated larvae is effective in increasing the oviposition rate and utilization of the insect.
최성업(Choi, Sung-Up),조성완(Cho, Seong-Wan) 한국산학기술학회 2013 한국산학기술학회논문지 Vol.14 No.12
본 연구에서는 액상 형태인 콜린알포세레이트를 알루미늄마그네슘규산화합물에 흡착시켜 고형의 제형화가 가능한 콜린알포세레이트를 함유하는 정제의 제조하고 평가하였다. 정제는 콜린알포세레이트 대비 흡착제의 비율을 달리하여 제조하고, 물리적 특성 및 용출률을 조사하였다. 정제의 타정성과 용출률을 고려할 때 흡착제는 주성분 대 비 50∼75%가 적절하였다. 주성분 대비 62.5%의 흡착제를 사용한 제제에서 정제의 경도, 붕해, 마손도 시험, 용출곡 선하면적 비율 결과가 가장 우수하였다. 알루미늄마스네슘규산화합물은 액상 약물의 고형화 설계 시 좋은 소재가 될 수 있을 것이다. The aim of this study was to prepare and evaluate tablets containing liquid choline alphoscerate, which is capable of being formulated as a solid dosage form by the adsorption of magnesium aluminum silicate. The tablets were prepared with various absorbent to choine alphoscerate ratios. The physical properties and the dissolution rate were investigated. Considering the tabletting and dissolution rate, the formula scontaining 50-75% absorbent were adequate in the tested formulations. The 62.5% absorbent formula showed superior results with the tests of hardness, friability, disintegration time, and the ratio of dissolution area under the curve. Overall, magnesium aluminum silicate can be an alternative additive to a liquid drug.
최성업(Sung-Up Choi),임상현(Sang-Hyun Lim),이상운(Sang-Un Lee),김형식(Hyung-Sik Kim),김재석(Jae-Suck Kim),한준탁(Jun-Tak Han),유재성(Jae-Sung Ryu),장익성(Jang Yik Sung),이기희(Gi-Hee Lee),임인철(In-Chil Lim) 한국정보과학회 1993 한국정보과학회 학술발표논문집 Vol.20 No.2
본 논문은 하다마드 변환을 이용한 이차원 이산 여현 변환을 위한 새로운 비트 레벨 시스톨릭 에레이를 제안한다. 이산 여현 변환 알고리듬은 데이타 압축, 이미지 부호화와 필터링에 효율적인 알고리듬이다. 따라서 이를 VLSI화 하기 위하여 방대한 계산량의 처리가 가능한 시스톨릭 어레이가 연구 진행되고 있다. 특히 비트 레벨 시스톨릭 어레이는 PE가 3-4개 정도의 논리소자로 구성되어 있어 계산 시간이 작다는 장점을 가지고 있고 비트패러럴한 방식으로 처리되므로 높은 출력 생성 주기를 갖는다. 제안한 구조는 4*4의 이차원 고속 이산 여현 변환을 시스톨릭 어레이로 설계하고 N*N(N=2ⁿ)크기에 대해 4*4의 구조로 부터 확장가능성을 보여준다. 또한 고속 알고리듬에서 문제가 되는 입력의 변형을 처리하기 위한 전처리부를 설계하여 입출력 매핑을 위한 구조를 보여 준다. 또한 이차원 고속 이산 여현 변환에 사용되는 하다마드단에 제어신호를 주기 위하여 KVGA*(Kernel Value Generating Array)를 구성하였다.
근적외부스펙트럼 측정법을 이용한 록소프로펜의 정량화 및 밸리데이션
최성업(Choi, Sung-Up) 한국산학기술학회 2014 한국산학기술학회논문지 Vol.15 No.1
본 논문에서는 록소프로펜 제제의 분석 시간을 단축하고 제품 출하 속도를 향상시키기 위하여 근적외부 (NIR) 스펙트럼 측정법을 이용하여 기존에 사용하던 HPLC 방법과 상호 비교해 보고자 하였다. 제제학적으로 사용되 는 다른 첨가제들과 함께 록소프로펜 혼합시료를 제조하고, NIR 분광광도계와 HPLC로 록소프로펜을 정량하고 평가 하였다. 두 시험법의 밸리데이션 항목으로 특이성, 정확성 및 정밀성을 실시하였다. NIR 측정법이 검증되었고, 제약산 업 분야의 제조공정 중 품질관리를 위한 적합한 결과를 얻었다. 결론적으로 록소프로펜을 분석하는데 있어서 NIR 측 정법을 사용하면 기존의 HPLC 정량법을 NIR의 결과로 대치할 수 있을 것이다. In this study, we used NIR spectrum method instead of conventional HPLC method to shorten the analysis and manufacturing time of the loxoprofen products. Loxoprofen mixtures with other pharmaceutical additives were prepared and evaluated by the NIR spectrometer and the HPLC system. Validation of both methods was performed for specificity, accuracy and precision. NIR spectrometer method was validated and revealed proper results for the in-process quality control in the pharmaceutical field. In conclusion, NIR spectrometry can be replaced by HPLC method.
흰점박이꽃무지(Protaetia brevitarsis) 추출물의 항혈전 효능
최인학 ( In-hag Choi ),유리 ( Ri Yu ),임연지 ( Yeon-ji Lim ),최규성 ( Gyu-sung Choi ),최성업 ( Sung-up Choi ),황종익 ( Jong-ik Hwang ),손진성 ( Jin-sung Son ),정태호 ( Tae-ho Chung ) 한국환경과학회 2019 한국환경과학회지 Vol.28 No.7
We aimed to evaluate antithrombotic efficacy of Protaetia brevitarsis extract during 21 days. Rats (SPF rat, weight 240~260 g) were divided into 16 groups (5 rats per group), they were: control group and Protaetia brevitarsis extract groups with dose of 0.1, 0.5, 1, 2.5, 5, 10, 25, 50, 75, 100, 200, 250, 500, 750, 1,000 mg/kg kg of body weight. Thromboplastin time (PT) and activated partial thromboplastin time (aPPT) as antithrombotic efficacy were tested in this animal experiment (at 7, 14 and 21 days). Overall, the admistration dose of Protaetia brevitarsis extract over 50 mg/kg at 7, 14 and 21 days for PT and over 25 mg/kg at 7, 14 and 21 days for aPPT tented to be longer than that of other groups. In addition, the optimal admistration doses of Protaetia brevitarsis extract to improves antithrombotic efficacy were 75, 100, 200 and 250 mg/kg at 7, 14 and 21 days for PT (p<0.05) and 50 and 100 mg/kg at 7 days, 75 mg/kg at 14 days, or 50, 100, 200 and 250 mg/kg at 21 days for aPPT (p<0.05). It can be concluded that Protaetia brevitarsis extract at optimal levels have antithrombotic efficacy.
흰점박이꽃무지 산란 특성 조사(1) - 연중 누대사육을 중심으로 -
최인학,최성업,손진성,정태호,Choi, In-Hag,Choi, Sung-Up,Son, Jin-Sung,Chung, Tae-Ho 한국환경과학회 2020 한국환경과학회지 Vol.29 No.7
We investigated the oviposition characteristics of Protaetia brevitarsis seulensis, focusing on zone breeding throughout the year in terms of the development and utilization of insect resources. To select Protaetia brevitarsis seulensis individuals laying a large number of eggs, the number of eggs laid for each individual was measured for each individual after emergence as adults from larvae grown at room temperature in five farmhouses. The five study zone included Gongju (Tancheon), Gyeonggi (Himsen), Chungnam (Gyeryong), Taean (Wonbuk), and Siheung (Baekse). The average oviposition tendency during a 12-week period obtained from the five regions was somewhat different; however, there was no remarkable difference in overall tendency. The maximum oviposition in Protaetia brevitarsisseulensis in the five regions occurred between 6 and 7 weeks. Compared toother regions, the average cumulative number of eggs laid during the 12-week period was higher (40%-60%) in Gongju (Tancheon) and Gyeonggi (Himsen). These results indicate that in two regions, zone breeding is selected as a system for increasing the demand for insects.
3지역에서 채집한 유충을 우화시킨 후 사육시 흰점박이꽃무지의 산란 변화
최인학,최성업,정태호,Choi, In-Hag,Choi, Sung-Up,Chung, Tae-Ho 한국환경과학회 2020 한국환경과학회지 Vol.29 No.9
This study investigated the oviposition characteristics of Protaetia brevitarsis seulensis after emergence as adults from the larva collected from three regions in Gangwon-do, Chungcheongnam-do, and Jeju-do. The laying egg method was identified with zone breeding, and the average and cumulative number of eggs laid were measured once a week for seven weeks. The average number of eggs laid peaked until 4 weeks, and subsequently decreased. The source areas with respect to average number and cumulative number of eggs laid were in the order of Jeju > Chungnam > Gangwon. In conclusion, this result suggests a method for continuously improving management and economic feasibility of insect farming by securing genetic diversity, and raising the most productive breeds to select individuals form regions associated with high numbers of laid eggs.