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지하수, 키토산 및 목초액의 엽면살포에 의한 알타리무 체내의 잔류 Procymidone 제거효과
정순재,조미용,석운영,오주성,Jeong, Soon-Jae,Cho, Mi-Yong,Seok, Woon-Young,Oh, Ju-Sung 한국유기농업학회 2011 韓國有機農業學會誌 Vol.19 No.1
공시 농약인 "스미렉스 수화제"를 알타리무에 살포한 다음 2시간 후에 각각 지하수, 키토산 500배액, 및 목초액 1,000배액을 골고루 엽면살포하였다. 그리고 공시재료 살포 2시간 경과 후, 1일 경과 후, 7일 경과 후 및 15일 경과 후에 각각 시료를 채취하여 알타리무 체내의 procymidone 잔류농약을 분석한 결과는 다음과 같다. 1. 알타리무 체내의 procymidone의 검출농도를 측정한 결과 농약만 살포한 무처리구인 대조구에 비해 지하수, 키토산 500배액, 및 목초액 1,000배액 처리구에서 잔류농약인 procymidone의 검출농도가 낮게 나타났으며, 특히 키토산 500배액 처리구에서는 평균치 보다 낮게 나타났다. 2. 알타리무 체내의 procymidone의 분해율을 측정한 결과 키토산 500배액 처리구 및 목초액 1,000배액 처리구에서 잔류농약인 procymidone의 분해율이 비교적 높게 나타났으며, 공시 엽면처리 재료간에는 큰 차이는 없었으나 대체적으로 키토산 500배액 처리구에서 분해율이 높게 나타났으며, 시간경과에 따른 평균 분해율은 공시재료를 엽면살포하고 7일이 경과한 후에 급격히 증가하는 것으로 나타났다. 3. 지하수, 키토산 500배액 및 목초액 1,000배액을 엽면살포한 후 매일 달관조사를 하여 생육장해 및 비해조사를 한 결과 본 시험 농도에서는 비해가 없는 것으로 조사되었다. For this study, Smilex powder, a pesticide, was sprayed on the Altari radish, and then underground water, Chitosan solution (${\times}$500), and wood vinegar solution (${\times}$1000) were evenly sprayed on the Altari radish respectively. Samples of Altari radishs for residual pesticide analysis were taken two hours, 1 day, 7 days, and 15 days after treatments, and the detectable concentration and degradability of procymidone, the pesticide residue, were measured. The results obtained are as follows: 1. When detectable concentration of procymidone within the altari radish was measured, treatment plots sprayed with underground water, Chitosan solution (${\times}$500), and wood vinegar solution (${\times}$1000) were found to show lower detectable concentration than the non-treatment plot which was sprayed with pesticide only. Especially, the treatment plots sprayed with Chitosan solution (${\times}$500), and with wood vinegar solution (${\times}$1,000) showed lower values than the average. 2. When the degradability of procymidone within the Altari radish was measured, the plot treated with Chitosan solution (${\times}$500) and the plot treated with wood vinegar solution (${\times}$1,000) were found to have relatively higher degradability of procymidone. There were not much differences among testing materials in the degradability of residual pesticides. However, the plot treated with Chitosan solution (${\times}$500) showed higher degradability. In terms of average degradability with time, degradability increased sharply 7 days after the foliar application of testing materials. 3. When the daily far-sighted view survey was conducted in order to find out growth disorder and damage on the Altari radish plants by the treatment of un-derground water, Chitosan solution (${\times}$500), and wood vinegar solution (${\times}$1,000), no symptomatic physiological disorders was observed on all the plants tested during the whole growing season at the tested concentration level.
Synthesis of Cu-64 labeled benzopyran derivative
정순재,이원길,김병철,유국현 한국공업화학회 2016 한국공업화학회 연구논문 초록집 Vol.2016 No.1
The benzopyran ring is widely found in a number of natural products such as flavonoids. These natural products have demonstrated numerous biological activities such as antiviral, antiinflammatory, antiallergic, antimutagenic and anticarcinogenic activities. In this study, a Cu-64 labeled benzopyran derivative was synthesized for investigation as a potent imaging agent for breast cancer. The reference compound was synthesized starting from 2-hydroxy-5-nitroacetophenone via six steps, and confirmed through <sup>1</sup>H NMR spectroscopy and mass spectrometry. The radiolabeling reaction was monitored using a radio-TLC and the radiochemical and purified by HPLC.
양파(Allium cepa L)의 RAPD 분석조건 최적화에 관한 연구
정순재,양보경,김익수,박선희,서전규,남재성,김현경,김도훈 한국생명과학회 2000 생명과학회지 Vol.10 No.2
The optimized RAPD-PCR conditions, which can be utilized as a basic information for the analysis of the genetic characteristics were investigated with four onion varieties, named Changryungdaego, Yeoeuijuhwang, Yakwangju, and Dabonghwang using Operon primers, OPR01 (TGCGGGTCCT) and OPZ20 (ACTTTGGCGG). We tested several concentrations of DNA, primer, and MgCl2, annealing temperature, number of PCR cycle, and presence/absence of pre-heating time at the begining of PCR reation in the 25${mu}ell$ volume. The best RAPD profiles were obtained using 50ng of DNA, 5mM of primer, 1.5mM of MgCl2, 45$^{\circ}C$ of annealing temperature and an absence of pre-heating time. An establishment of the stable and reproducible RAPD-PCR conditions are expected to be useful for the subsequent RAPD-related investigation, such as genetic characterization of the onion strains, re-establishment of phylogenetic relationships and development of new varieties.