Now showing items 1-3 of 3

    • Contamination by neonicotinoid insecticides and their metabolites in Sri Lankan black tea leaves and Japanese green tea leaves 

      Ikenaka, Yoshinori; Fujioka, Kazutoshi; Kawakami, Tomonori; Ichise, Takahiro; Bortey-Sam, Nesta (Elsevier, 2018)
      Tea is one of the world’s most popular beverages due to health promoting effects. Despite these, there have been concerns about the adverse effects of tea contamination by neonicotinoid insecticides. Only a handful of ...
    • Exposures of children to neonicotinoids in pine wilt disease control areas 

      Ikenaka, Yoshinori; Miyabara, Yuichi; Ichise, Takahiro; Nakayama, Shouta; Collins, Nimako (Wiley, 2019)
      Neonicotinoid insecticides that have been on the market since 1992 have been used globally including in Japan. Because they are sprayed over forests and agricultural areas, inadvertent toxicity in nontarget insects (especially ...
    • Syntheses of 4‐OH and 5‐OH imidacloprids 

      Takahashi, Keisuke; Ikenaka, Yoshinori; Tsurumi, Tatsuya; Inami, Moe; Li, Zui (Wiley, 2019)
      4‐OH and 5‐OH imidacloprids, important metabolites of neonicotinoid insecticides, were synthesised in 4 steps starting from S‐methylisothiourea sulfate. The structure of 4‐OH imidacloprid was determined by X‐ray crystallographic ...