Výsledky vyhledávání - "Jang-Hyun Hur"

Akademický článek

Evaluation of Farmers Knowledge about Proper use of Pesticides in Khartoum State, Sudan

Autor: Azhari Omer Abdelbagi, Rihab Eltahir Abdalla Ismail, Abd Elaziz Sulieman Ahmed Ishag, Ahmed Mohammed Ali Hammad, Jang-hyun Hur

Publikováno v: Journal of Agricultural Extension, Vol 26, Iss 1, Pp 59-70 (2022)

The knowledge of eggplant farmers in Khartoum State was evaluated. Simple questionnaires were distributed to farmers in North Nile Farms (NN), East Nile Farms (ENF), and West Nile Farms (WNF) to test farmer knowledge about the safe use of pesticides.

Externí odkaz: https://doaj.org/article/eeb3e84518a940c28e1d2345b05822fb

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Akademický článek

Development of an Analytical Method for Kasugamycin Residue in Herbal Medicine, Achyranthes japonica Nakai

Autor: Jeong Yoon Choi, Hun Ju Ham, Min-woo Kim, Abd Elaziz Sulieman Ahmed Ishag, Jang-Hyun Hur

Publikováno v: Indonesian Journal of Chemistry, Vol 22, Iss 1, Pp 47-61 (2022)

This study developed a suitable analytical method for kasugamycin residues in Achyranthes japonica using LC/MS/MS equipped with an amide column for polar substances. Extraction and cleanup processes were done at pH 4.5–5. Purification efficiency wa

Externí odkaz: https://doaj.org/article/7c1a34c23f5b4e8abe1ce417e43d7cad

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Akademický článek

Insecticide Residues in Cotton, Sorghum and Fallow Soil from the Nuba Mountains Cotton Corporation of South Kordofan State, Sudan

Autor: Amna Osman Mohamed, Azhari Omer Abdelbagi, Abdalla Mohammed Abdalla, Abd Elaziz Sulieman Ahmed Ishag, Ahmed Mohammed Ali Hammad, Nasradeen Adam Hamed Gadallah, Jang-Hyun Hur

Publikováno v: Journal of Health and Pollution, Vol 11, Iss 30, Pp 1-10 (2021)

Background. Soil is the final depot of most environmental contaminants, including pesticides. Soil may be contaminated by pesticides as a result of direct application or drift during spray activities. Soil contamination with pesticide residues may af

Externí odkaz: https://doaj.org/article/bc53ab4772864adfba920942e3321efd

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Akademický článek

Effects of Nitrogenous Fertilization and some Insecticides on the Natural Enemies of Transgenic Bt Cotton Pests

Autor: Mamoun Fadlelmawla, Azhari Abdelbagi, Abd Elaziz Ishag, Ahmed Hammad, Jang-Hyun Hur

Publikováno v: EntomoBrasilis, Vol 14 (2021)

Field assessment of integrated management of BT cotton pests was carried out in two consecutive seasons; 2016/2017 and 2017/2018 in the experimental research farm of the Kassala University, Sudan. Four insecticides (imidacloprid, abamectin, profenofo

Externí odkaz: https://doaj.org/article/5f1c59d868364b9998fd4dc9d4aa4758

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Akademický článek

Optimization of an Analytical Method for Indoxacarb Residues in Fourteen Medicinal Herbs Using GC–μECD, GC–MS/MS and LC–MS/MS

Autor: Hun-Ju Ham, Syed Wasim Sardar, Abd Elaziz Sulieman Ahmed Ishag, Jeong-Yoon Choi, Jang-Hyun Hur

Publikováno v: Separations, Vol 9, Iss 9, p 232 (2022)

Pesticide residue analysis in medicinal herbs is a challenging task because of the matrix effect and its influence on quantitative analysis despite the continuous development of several new analytical methods and instrumentations. In this study, a mo

Externí odkaz: https://doaj.org/article/6ceb916b324c4c7892bbb39efabf6a5f

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Akademický článek

Acute and sublethal intoxication of deltamethrin in an Indian major carp, Labeo rohita: Hormonal and enzymological responses

Autor: Lenin Suvetha, Manoharan Saravanan, Jang-Hyun Hur, Mathan Ramesh, Kalliappan Krishnapriya

Publikováno v: Journal of Basic and Applied Zoology, Vol 72, Iss C, Pp 58-65 (2015)

This study aimed to evaluate the median lethal concentration (LC50), acute (24 and 96 h) and sublethal (35 d) effects of deltamethrin, a synthetic pyrethroid pesticide on hormonal and enzymological responses in an Indian major carp, Labeo rohita. In

Externí odkaz: https://doaj.org/article/77bca81645264448a363abe962317ca3

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Establishment of Analyzing Method of Fenpropathrin Residue in Angelica dahurica Radix and Osterici Radix

Autor: Jang-Hyun Hur, Hun-Ju Ham, Byung-gi Lee, Jeong-Yoon Choi, Abd Elaziz Sulieman Ahmed Ishag

Publikováno v: Current Traditional Medicine. 9

Background: Angelica dahurica Radix and Osterici radix, are perennial herbs belonging to the family Umbelliferae, which were attacked by red spiders, thus fenpropathrin was registered. Fenpropathrin is important in improving productivity and quality

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b442ea42d3422f658504e9e2f05235ef
https://doi.org/10.2174/2215083808666220701084929

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