在聚烯瓶装注射剂中识别和量化微纳米塑料
Jie Wang1, Lan-Gui Xie1, Xian-Fu Wu1
1National Institutes for Food and Drug Control, Beijing, 100260, PR China.
Heliyon
|August 22, 2024
概括
在聚烯注射瓶中发现了微纳米塑料颗粒. 这些塑料颗粒,从纳米到微型尺寸,构成潜在的健康风险,需要进一步调查它们对人类健康的影响.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 毒理学 毒理学 毒理学
背景情况:
- 微纳米塑料 (MNP) 颗粒是环境污染物,具有潜在的人类健康风险.
- 聚烯 (PP) 塑料瓶注射剂广泛用于静脉注射.
- 这些注射中的MNP的存在和数量仍未得到调查.
研究的目的:
- 识别和量化 PP 瓶装注射配方中的不溶性微型和纳米塑料颗粒.
- 通过静脉注射来评估MNP暴露对健康的潜在影响.
主要方法:
- 微拉曼光谱和扫描电子显微镜-能量分散式X射线光谱 (SEM-EDX) 用于粒子识别.
- 热解气色谱法/质谱法 (Py-GC/MS) 用于富化后的量化.
- 在16批注射中确定了颗粒大小和度.
主要成果:
- 乙烯-合聚合物 (P(E-P)) 微塑料 (MP) 颗粒 (2-10 μm) 在216 p/mL时被确定.
- 在2.1 × 104 p/mL时检测到类似PP的纳米粒子 (<50 nm).
- 总不溶性颗粒度在6×104到1×107 p/mL (0.02-100 μm) 之间.
结论:
- 这项研究提供了MNP污染在PP瓶注射剂中的第一个证据.
- 已识别的MNP可以进入血液,引发了对潜在健康影响的担忧.
- 需要进一步的研究来确定这些MNP是否会在给药时引起疾病.
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