1 Introduction Recently,the increasing demand for advanced telecommunication systems has spurred extensive research into bandpass filters(BPFs),with particular emphasis on miniaturization,reduction of insertion loss(I...1 Introduction Recently,the increasing demand for advanced telecommunication systems has spurred extensive research into bandpass filters(BPFs),with particular emphasis on miniaturization,reduction of insertion loss(IL),and enhancement of upper stopband rejection(Huang et al.,2021;Snyder et al.,2021;Lin et al.,2023;Zeng et al.,2023).展开更多
本研究基于固相萃取-液相色谱-串联质谱(SPE-LC-MS/MS)技术,建立了一种高灵敏度分析方法,用于测定以鹌鹑为代表的禽类产品中痕量双酚A(BPA)和双酚F(BPF)的残留量。通过优化试验条件,采用Oasis PRiME HLB固相萃取柱净化,筛选色谱分离条件...本研究基于固相萃取-液相色谱-串联质谱(SPE-LC-MS/MS)技术,建立了一种高灵敏度分析方法,用于测定以鹌鹑为代表的禽类产品中痕量双酚A(BPA)和双酚F(BPF)的残留量。通过优化试验条件,采用Oasis PRiME HLB固相萃取柱净化,筛选色谱分离条件,结果表明:该分析方法在0.1~50 ng/g浓度范围内线性关系良好(R^(2)>0.999),检出限LOD(≤0.01 ng/g)和定量限LOQ(≤0.03 ng/g)均满足痕量分析要求,加标回收率(82.1%~96.8%)和精密度(RSD<8.0%)符合残留分析标准。该方法操作简便、灵敏度高、抗基质干扰性能优异,适用于禽产品中痕量BPA和BPF的确证检测,可为动物源性食品安全风险评估提供可靠技术支撑。展开更多
基金supported by the National Natural Science Foundation of China(No.62371263)the Postgraduate Research&Practice Innovation Program of Jiangsu Province(No.SJCK25_1995).
文摘1 Introduction Recently,the increasing demand for advanced telecommunication systems has spurred extensive research into bandpass filters(BPFs),with particular emphasis on miniaturization,reduction of insertion loss(IL),and enhancement of upper stopband rejection(Huang et al.,2021;Snyder et al.,2021;Lin et al.,2023;Zeng et al.,2023).
基金This work was supported by a grant from the Ph.D. Programs Foundation of Ministryof Education of China (No. 20030003074) and the National Natural Science Foundation of China (No. 10135040)