Journal of Forensic Medicine ›› 2025, Vol. 41 ›› Issue (4): 380-387.DOI: 10.12116/j.issn.1004-5619.2024.340302
• Original Article • Previous Articles Next Articles
Wen-yan LI1,2,3(
), Jin-feng ZHAO4, Wei-chen LIU1,2,3, Shi-jing LÜ1,2,3, Jia-xin ZHANG1,2,3, Xu-dong ZHANG1,2,3, Zhi-wen WEI1,2,3, Ke-ming YUN1,2,3, Chao ZHANG1,2,3(
)
Received:2024-03-01
Online:2025-11-25
Published:2025-08-25
Contact:
Chao ZHANG
CLC Number:
Wen-yan LI, Jin-feng ZHAO, Wei-chen LIU, Shi-jing LÜ, Jia-xin ZHANG, Xu-dong ZHANG, Zhi-wen WEI, Ke-ming YUN, Chao ZHANG. Toxicokinetics of Chlorfenapyr and Its Metabolites in Rats[J]. Journal of Forensic Medicine, 2025, 41(4): 380-387.
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URL: http://www.fyxzz.cn/EN/10.12116/j.issn.1004-5619.2024.340302
| 化合物 | 前体离子(m/z) | 碰撞电压/V | 碎片离子(m/z) | 碰撞能量/eV |
|---|---|---|---|---|
| 溴代吡咯腈 | 346.6 | 160 | 130.8 | 45 |
| 78.91) | 40 | |||
| 华法林-d5 | 311.9 | 130 | 254.91) | 20 |
| 161.1 | 18 |
Tab. 1 Mass spectrometric parameters of tralopyril and its internal standard warfarin-d5
| 化合物 | 前体离子(m/z) | 碰撞电压/V | 碎片离子(m/z) | 碰撞能量/eV |
|---|---|---|---|---|
| 溴代吡咯腈 | 346.6 | 160 | 130.8 | 45 |
| 78.91) | 40 | |||
| 华法林-d5 | 311.9 | 130 | 254.91) | 20 |
| 161.1 | 18 |
| 化合物 | LOD/(ng·mL-1) | LLOQ/(ng·mL-1) | 线性范围/(ng·mL-1) | 线性方程 | r |
|---|---|---|---|---|---|
| 虫螨腈 | 10 | 30 | 30~10 000 | y=8.544 962 x+0.912 095 | 0.996 7 |
| 溴代吡咯腈 | 0.5 | 1 | 1~10 00 | y=9.517 666 x+0.739 941 | 0.998 6 |
Tab. 2 LOD, LLOQ and linearity parameters of chlorfenapyr and tralopyril
| 化合物 | LOD/(ng·mL-1) | LLOQ/(ng·mL-1) | 线性范围/(ng·mL-1) | 线性方程 | r |
|---|---|---|---|---|---|
| 虫螨腈 | 10 | 30 | 30~10 000 | y=8.544 962 x+0.912 095 | 0.996 7 |
| 溴代吡咯腈 | 0.5 | 1 | 1~10 00 | y=9.517 666 x+0.739 941 | 0.998 6 |
| 化合物 | 质量浓度/(ng·mL-1) | 精密度/% | 准确度/% | |||
|---|---|---|---|---|---|---|
| 日内(n=6) | 日间(n=18) | 日内(n=6) | 日间(n=18) | |||
| 虫螨腈 | 30 | 6.99 | 8.56 | 94.90 | 103.47 | |
| 1 000 | 8.35 | 9.67 | 99.36 | 89.45 | ||
| 10 000 | 5.08 | 6.87 | 105.78 | 93.60 | ||
| 溴代吡咯腈 | 10 | 5.88 | 9.43 | 104.56 | 98.21 | |
| 250 | 4.32 | 7.73 | 106.38 | 99.45 | ||
| 1 000 | 5.59 | 9.39 | 92.79 | 104.50 | ||
Tab. 3 Precision and accuracy of chlorfenapyr and tralopyril
| 化合物 | 质量浓度/(ng·mL-1) | 精密度/% | 准确度/% | |||
|---|---|---|---|---|---|---|
| 日内(n=6) | 日间(n=18) | 日内(n=6) | 日间(n=18) | |||
| 虫螨腈 | 30 | 6.99 | 8.56 | 94.90 | 103.47 | |
| 1 000 | 8.35 | 9.67 | 99.36 | 89.45 | ||
| 10 000 | 5.08 | 6.87 | 105.78 | 93.60 | ||
| 溴代吡咯腈 | 10 | 5.88 | 9.43 | 104.56 | 98.21 | |
| 250 | 4.32 | 7.73 | 106.38 | 99.45 | ||
| 1 000 | 5.59 | 9.39 | 92.79 | 104.50 | ||
| 时间点 | 虫螨腈 | 溴代吡咯腈 |
|---|---|---|
| 灌胃后5 min | 35.64±10.67 | - |
| 灌胃后15 min | 638.43±173.54 | 127.63±14.45 |
| 灌胃后30 min | 1 445.83±308.62 | 644.25±103.78 |
| 灌胃后1 h | 6 427.47±1 959.47 | 1 028.93±140.49 |
| 灌胃后3 h | 1 629.96±403.69 | 2 080.59±623.63 |
| 灌胃后6 h | 182.75±43.27 | 165.64±52.36 |
| 灌胃后12 h | 69.88±24.34 | 75.63±14.98 |
| 灌胃后24 h | 32.98±2.94 | 22.76±5.55 |
| 灌胃后48 h | - | 2.76±1.62 |
Tab. 4 Mean mass concentrations of chlorfenapyr andtralopyril in rats blood at different time pointsafter gavage administration
| 时间点 | 虫螨腈 | 溴代吡咯腈 |
|---|---|---|
| 灌胃后5 min | 35.64±10.67 | - |
| 灌胃后15 min | 638.43±173.54 | 127.63±14.45 |
| 灌胃后30 min | 1 445.83±308.62 | 644.25±103.78 |
| 灌胃后1 h | 6 427.47±1 959.47 | 1 028.93±140.49 |
| 灌胃后3 h | 1 629.96±403.69 | 2 080.59±623.63 |
| 灌胃后6 h | 182.75±43.27 | 165.64±52.36 |
| 灌胃后12 h | 69.88±24.34 | 75.63±14.98 |
| 灌胃后24 h | 32.98±2.94 | 22.76±5.55 |
| 灌胃后48 h | - | 2.76±1.62 |
| 参数 | 单位 | 虫螨腈 | 溴代吡咯腈 |
|---|---|---|---|
| 生物半衰期(T1/2) | h | 2.62 | - |
| 分布半衰期(T1/2α) | h | - | 0.47 |
| 消除半衰期(T1/2 β) | h | - | 1.35 |
| 清除半衰期(T1/2γ) | h | - | 0.31 |
| 表观分布容积/吸收分数(Vz/F) | L/kg | 4.49 | 0.39 |
| 消除率(CLz/F) | L·h-1·kg-1 | 1.19 | 0.48 |
| 药时曲线下面积(AUC0-∞) | ng·h·mL-1 | 23 096.82 | 8 928.73 |
| 吸收速率常数(ka) | h-1 | 0.18 | 1.23 |
| 吸收半衰期(T1/2ka) | h | 0.39 | 0.57 |
| 达峰时间(Tmax) | h | 1 | 3 |
| 峰浓度(Cmax) | ng/mL | 6 427.40 | 2 041.84 |
Tab. 5 Principal toxicokinetic parameters of chlorfenapyr and tralopyril in rats blood
| 参数 | 单位 | 虫螨腈 | 溴代吡咯腈 |
|---|---|---|---|
| 生物半衰期(T1/2) | h | 2.62 | - |
| 分布半衰期(T1/2α) | h | - | 0.47 |
| 消除半衰期(T1/2 β) | h | - | 1.35 |
| 清除半衰期(T1/2γ) | h | - | 0.31 |
| 表观分布容积/吸收分数(Vz/F) | L/kg | 4.49 | 0.39 |
| 消除率(CLz/F) | L·h-1·kg-1 | 1.19 | 0.48 |
| 药时曲线下面积(AUC0-∞) | ng·h·mL-1 | 23 096.82 | 8 928.73 |
| 吸收速率常数(ka) | h-1 | 0.18 | 1.23 |
| 吸收半衰期(T1/2ka) | h | 0.39 | 0.57 |
| 达峰时间(Tmax) | h | 1 | 3 |
| 峰浓度(Cmax) | ng/mL | 6 427.40 | 2 041.84 |
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