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건조과정을 통한 구기자의 Benomyl 잔류량 변화의 확인에 관한 연구
조성용 ( Sung Yong Jo ),김용범 ( Yong Beom Kim ),심주연 ( Ju Yeon Sim ),황준혁 ( Jun Hyuk Hwang ),강은옥 ( Eun Ok Kang ),경기성 ( Kee Sung Kyung ) 한국환경농학회 2020 한국환경농학회 학술대회집 Vol.2020 No.-
This study was carried out to determine effect of drying on benomyl residue in Chinese matrimony vine. The test commercial pesticide, benomyl 50% WP, was diluted 2,000-fold and then the diluted solution was sprayed 2 times onto Chinese matrimony vine at 7-day intervals. Samples were collected after last spraying (0 day), 7 and 14 days and then dried with a hot-air oven to make the dried product. Residue of benomyl was calculated by conversion of carbendazim obtained to benomyl on the bais of their molecular weight. The limits of quantitation of carbendazim were all 0.01 mg/kg. The recoveries of carbendazim in fresh and dried product ranged from 87.4 to 104.2% and from 72.6 to 75.4%, respectively. The amounts of benomyl residues in fresh was slowly decreased after spraying. The residual amounts of benomyl in fresh and dried product at day 0 were 0.89 and 1.14 mg/kg, indicating that benomyl residue was increased in the dried product by removing of water.
참여형 개선기법(PAOT)의 원리를 적용한 대사증후군 관리 프로그램 효과분석
윤성용(Seong-Yong Yoon),우극현(Kuck-Hyeun Woo),김화성(Hwa-Sung Kim),김용배(Yong-Bae Kim),김진석(Jin-Seok Kim),조성용(Seong-Yong Jo),이성수(Sung-Soo Lee) 한국보건교육건강증진학회 2014 보건교육건강증진학회지 Vol.31 No.5
Objectives: The purpose of this study was to apply participatory action-oriented training (PAOT) principle for the management of metabolic syndrome and to assess its effectiveness in the workplace. Methods: The metabolic syndrome management program applying participatory action-oriented training (PAOT) principle is constructed action checklist, Group discussion, self-creation of an action plan, after 3 months, 6 months, 1 year, the practice carried out check up and encourage practice activity. Results: The seventy-seven workers who participated in the metabolic syndrome management program made a total of 246 action plans, 3.8 action plans per person and 234 action plans were achieved after one year, so that 81.0% of action plans have been achieved. After 1 year, in the intervention group, systolic blood pressure (SBP) and diastolic blood pressure (DBP), body mass index (BMI), the risk factors score decreased statistically significant, and metabolic syndrome prevalence decreased 54.8%. whereas the control group also showed a significant decreased in the mean systolic and diastolic blood pressure, the risk factors score. but, low-density lipoprotein (LDL) was significantly increased. Conclusions: To improve the effectiveness of metabolic syndrome management program applying participatory action-oriented training (PAOT) principle, the need to continues implementing programs and analysis of the long-term effects are required. Participatory action-oriented training (PAOT) principle can applying without cost and time, the human burden for the prevention and management of chronic diseases such as metabolic syndrome.
갯기름나물 중 Hexythiazox와 Fenpropathrin의 잔류 특성
김용범 ( Yong Beom Kim ),조성용 ( Sung Yong Jo ),심주연 ( Ju Yeon Sim ),황준혁 ( Jun Hyuk Hwang ),강은옥 ( Eun Ok Kang ),경기성 ( Kee Sung Kyung ) 한국환경농학회 2020 한국환경농학회 학술대회집 Vol.2020 No.-
This study was carried out to investigate dissipation patterns of hexythiazox and fenpropathrin in coastal hogfennel. The test commercial hexythiazox 10% WP and fenpropathrin 5% EC were diluted 2,000- and 1,000-time, respectively, and then the diluent were sprayed 2 times with 7-day intervals before harvest onto the test crop. Samples were collected at 0, 3, 5, 7 and 14 days after the last spraying. Limits of quantitation (LOQs) of the test pesticides were all 0.01 mg/kg. Recoveries of hexythiazox and fenpropathrin at 10- and 50-fold levels of their LOQs ranged from 80.3 to 96.3% and from 90.6 to 93.8%, respectively. The highest residues of hexythiazox and fenpropathrin in the crops collected just after spraying were 2.30 and 2.02 mg/kg, respectively, whereas those in the samples collected 14 days after harvest were 0.12 and 0.15 mg/kg, respectively. Also, half-lives of hexythiazox and fenpropathrin in coastal hogfennel were 3.1 and 3.7 days, respectively, indicating that the amount of hexythiazox and fenpropathrin in coastal hogfennel were time-coursely decreased.
갯기름나물 중 Ethoprophos와 Metaldehyde의 잔류 특성
심주연 ( Ju Yeon Sim ),조성용 ( Sung Yong Jo ),김용범 ( Yong Beom Kim ),황준혁 ( Jun Hyuk Hwang ),강은옥 ( Eun Ok Kang ),경기성 ( Kee Sung Kyung ) 한국환경농학회 2020 한국환경농학회 학술대회집 Vol.2020 No.-
This study was carried out to investigate the residual characteristics of insecticide ethoprophos and metaldehyde in coastal hogfennel under greenhouse conditions. The test commercial pesticides, ethoprophos 5% GR and metaldehyde 6% GR were treated onto upland soil surface at the recommended and double dose before planting and then the test crop was transplanted. Sampling was done on the pre-harvest day of 50 days after treatment. To investigate residue change after harvest, additional samples were also collected 7 and 14 days after harvest. Limits of quantitation of ethoprophos and metaldehyde in the crop were all 0.01 mg/kg. Recoveries of ethoprophos and metaldehyde were ranged from 101.8 to 110.2% and from 71.1 to 93.0%, respectively. The residues of ethoprophos in the crop collected at harvest in recommended dose and double dose plots were 0.42 and 0.61 mg/kg, respectively. In case of metaldehyde, those were 0.25 and 1.37 mg/kg, respectively. Also, residues in the test crop collected 7 and 14 days after harvest found to be decreased comparing to those in the crop at harvest. The dissipation rates of the test pesticides in the crop collected 7 and 14 days after harvest were from 60.7 to 61.9% and from 51.1 to 56.0%, respectively, in both recommended and double dose.
이은영(Eun Young Lee),노현호(Hyun Ho Noh),박영순(Young Soon Park),강경원(Kyung Won Kang),조성용(Seong Yong Jo),이승열(Seung Reul Lee),박인영(In Young Park),김태화(Tae Hwa Kim),진용덕(Yong Duk Jin),경기성(Kee Sung Kyung) 한국농약과학회 2008 농약과학회지 Vol.12 No.4
In order to survey the residual characteristics of pesticides and assess their safeties in the agricultural products from markets, the agricultural products were purchased from the wholesale and traditional markets in Cheongju and Jeonju and analyzed the pesticide residues in them. No pesticide residues were found in samples from Cheongju, whereas, in case of samples collected from Jeonju, 3 pesticides including chlorothalonil were detected from 5 samples such as eggplant from wholesale market and 3 pesticides including azoxystrobin were found in tomato and grape from traditional market. Pesticide residues were detected from 10.9% of the total samples and detection levels were less than their maximum residue levels. Their estimated daily intakes ranged from 0.00102 to 0.03616% of their acceptable daily intakes, representing residue levels of the pesticides detected were evaluated to be safe.
이기완,김승재,조성용,김조천 한국공업화학회 2000 응용화학 Vol.4 No.1
Volatile Organic Compounds(VOCs) contribute to the formation of photochemical oxidants and are harmful to human being because of their carcinogenicity and toxicity. VOCs are emitted from many sources such as transporation, surface coating, petroleum refining, and combustion process. It is urgent to remove VOCs from coating process.