📄 chemistry

Rapid Determination of Sr-90 in Urine by MS/MS Mode with O2 as the Cell Gas on Triple Quadrupole Inductively Coupled Plasma Mass Spectrometry (ICP-MS/MS)

本文提出了一种经过验证的高通量 ICP-MS/MS 方法,该方法利用 O₂ 反应气体实现了对尿液中 Sr-90 的快速、灵敏且准确的测定,且样品前处理过程极简,为放射性应急响应提供了一种优于液体闪烁计数法的稳健替代方案。

Ge Xiao, Jonathan Button, Cynthia Ward-Momon, Liza Valentin-Blasini2026-07-23
📄 chemistry

Synergistic thermal conduction and electromagnetic shielding in nickel foam-based composite via boron nitride and high- entropy oxide@Ag

本研究提出了一种基于镍泡沫的多功能复合材料,该材料利用氮化硼纳米片与高熵氧化物@银核壳填料在水性聚氨酯基体中的协同结合,旨在同时实现显著增强的热导率以及以波吸收为主的卓越电磁干扰屏蔽性能。

Qi Zeng, Binkai Hu, Shihua Yang, Shengyu Wu, Xinlei Wang, Bin Li, An-Quan Xie, Chunjin Hang2026-07-23
📄 chemistry

Development of a DoE-Driven QbD-Based Stability-Indicating HPTLC Method for determination of PBC in Bulk and Formulation with Multi-Stress Forced Degradation Assessment

本研究通过采用分析质量设计(AQbD)方法及实验设计(DoE),开发了一种经过验证的、具有稳定性指示性的高效薄层色谱(HPTLC)法,用于定量分析原料药及制剂中的PBC,以确保其稳健性、针对强制降解产物的专一性以及对ICH指南的符合性。

Shubham Khade, Minal Harde2026-07-23
📄 chemistry

Spatial Segmentation and Controllable Connection Enabled Hollow Microsphere-Carbon Distributed RLC Networks for Multifunctional EM/Thermal Regulation

本文提出了一种利用磁性双壳层空心微球进行冰模板异质成核的策略,将氮掺杂碳纳米片空间分割为可控分布的RLC网络,在实现轻质分级多孔复合材料优异的电磁波吸收与热调节性能的同时,克服了导电性与阻抗匹配之间的传统权衡。

Guangyan Cheng, Hongxiu Wu, Ping Wang, Jingjie Zhang, Zhenguo An2026-07-23