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Drug Concentration Versus Time Correlation01:15

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The plasma drug concentration-time curve is a crucial tool in pharmacokinetics, representing the drug's concentration in plasma at different time intervals post-administration. This curve illustrates the drug's journey from absorption into the systemic circulation, distribution to body tissues, and eventual elimination through excretion or biotransformation.
Two pivotal parameters are the minimum effective concentration (MEC) and the minimum toxic concentration (MTC). The MEC is the...
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Optimization of Processing of Tiebangchui with Highland Barley Wine Based on the Box-Behnken Design Combined with the Entropy Method
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シプロコナゾールとテブコナゾールの同時分析

Sahadev Katam1,2, Prasad Munipalli1, Bhavani Balram1

  • 1Laboratory Number: 8A and 8B, Department of Research and Development, Coromandel International Ltd., Phase-II, IKP Knowledge Park, Genome Valley, Turkapally, Shameerpet, Ranga Reddy (Dist), Hyderabad-50010, Telangana, India.

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|August 30, 2025
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まとめ

新しい逆相高性能液体染色法 (RP-HPLC) は,農薬中のサイプロコナゾール (CYP) 同位体とテブコナゾール (TBZ) を正確に測定します. この検証された技術は,真菌剤の製剤の品質管理を簡素化します.

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科学分野:

  • 分析化学
  • 農業化学科学

背景:

  • 農薬の有効成分を正確に定量化することは,有効性と規制の遵守に不可欠です.
  • 既存の方法は同位体特異性がないか,複雑な試料の準備を必要とします.

研究 の 目的:

  • サイプロコナゾール (CYP) とテブコナゾール (TBZ) の同時分析のための新しい同位体特有のRP-HPLC方法の開発と検証
  • 農薬製造における品質保証のための,単純で堅固な分析技術を確立する.

主な方法:

  • 水とメタノールに0.1%の甲酸を混ぜたC18コラムを使用した.
  • 分析物の識別と確認のためにLC-MSを使用します.
  • 指定範囲内の線形性,精度,および精度が検証されています.

主要な成果:

  • 基底レベルでのCYP同位体-1,同位体-2,TBZの解消は,キラルカラムまたは前処理なしに達成された.
  • 優れた線形性 (R2 = 0.999) と高精度 (101. 2 × 102. 8%) を示した.
  • LC-MSは,特徴的なイオントランジションによって分析物質の同一性を確認した.

結論:

  • これは,農業化学製剤内のCYPの同位体特定検出を可能にする最初のRP-HPLC方法である.
  • 開発された方法論はシンプルで,堅牢で,農業化学製品の定期的な品質保証と規制遵守に適しています.