Recent Progress of SERS for Environmental Estrogen Detection

Fig. 1. AAO template method for fabrication of SERS substrates
(a): Cu-base-supported arrays of HS-β-CD decorated Ag-NRs ^[51];(b): Core@Shell nanoporous Au@Ag nanorod arrays^[52]

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Fig. 2. Molecular imprinting technology was applied to SERS detection
(a): AuNPs substrate covered by imprint-removed MIP layer^[58];(b): In situ reduced AgNPs embedded molecularly imprinted for BPA detection ^[59]

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Fig. 3. Immunoassays technology and SERS combined detected environmental estrogen
(a): SERS immune magnetic beads technology for E2 detection^[61];(b): The highly sensitive detection of BPA with SERS-LFA^[62]

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Fig. 4. Label-free SERS detection of PCB-77 based on DNA aptamer modified SERS substrates
(a): SiO₂ @Au core-shell nanoparticles^[68];(b): AgNR array^[69]

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Fig. 5. (a) Double strand DNA functionalized Au@Ag NPs for detection of E2 by competitive reaction with Cy3 aptamer^[71]; (b) Determination of E2 by the Au@Ag NPs substrate and HCR technology^[72]

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Table 1. SERS for detection of environmental estrogen

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Table 1. SERS for detection of environmental estrogen

基底类型		基底	环境雌激素	LOD	特点	参考文献
非修饰基底		溅射Ag NPs的纳米金阵列	PCB20	5×10^-6 mol·L^-1	增强效果好, 但缺乏特异性	[37]
		溅射Au NPs的SiO₂纳米棒	4-CB	1×10^-6 mol·L^-1		[41]
		锥形ZnO纳米棒上分别组装Ag NPs和银球	BPA, PCB	1×10^-11 mol·L^-1		[42]
		跨尺度金银协同基底	BPA	0.5 ppm		[43]
		银纳米薄片组装的微半球	PCB77	3×10^-6 mol·L^-1		[44]
		MoS₂/ZnO微花复合材料	BPA	1×10^-9 mol·L^-1	亲和力好, 应用广泛	[45]
		硅烷自组装石墨片基底	BPA	1×10^-6 mol·L^-1	亲和力好, 应用广泛	[46]
修饰基底	分子修饰	β-CD修饰的金纳米颗粒	PCBs		特异性识别检测分子, 可区分同系物, 但易受干扰	[50]
		HS-β-CD修饰的铜基AgNRs阵列	PCB29, PCB77, PCB101	2×10^-6~ 2×10^-4 mol·L^-1		[51]
		HS-β-CD修饰的核@壳纳米孔金@银纳米棒阵列	PCB3, PCB77	5.35×10^-7 mol·L^-1		[52]
		HS-β-CD修饰ITO衬底上的微半球阵列	PCB1, PCB77	3×10^-7 mol·L^-1		[53]
		覆盖分子印迹聚合物层的金纳米颗粒(MIP-Au NPs)	BPA	0.12 mg·L^-1	特异性识别检测分子, 但制备复杂	[58]
		嵌入MIPs基体内的银纳米颗粒	BPA	5×10^-8 mol·L^-1	特异性识别检测分子, 但制备复杂	[59]
		Au-MBA/Cu²⁺/MBA-AuNPs的“三明治”基底	Cu²⁺		配位识别检测分子	[54]
		修饰DT的AgFON基底	PCB47, PCB77	50 pmol·L^-1		[55]
		修饰Cys的AgNPs基底	BPA			[56]
	抗原抗体修饰	磁珠表面抗E2抗体与E2-OVA	E2	0.65 pg·mL^-1	特异性识别检测分子, 间接定量检测, 但成本偏高	[61]
	抗原抗体修饰	金纳米星为基底的SERS-LFA	BPA	0.073 ppb	成本低、现场快速检测, 灵敏度略低	[62]
	核酸适配体修饰	SiO₂@Au核壳纳米颗粒	PCB77	1×10^-6 mol·L^-1	特异性识别检测分子, 间接定量检测	[68]
		银纳米棒有序阵列	PCB77	3.3×10^-8 mol·L^-1		[69]
		金银核壳纳米颗粒二聚体, 4-MBA为信号分子	E2, E1, EE2	0.01~50 nmol·L^-1		[70]
		金银核壳纳米颗粒, Cy3为信号分子	E2	2.75 fmol·L^-1		[71]
	微流控芯片	银纳米冠阵列结构	PCB77	1.0×10^-8 mol·L^-1	真实环境检测	[73]

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Xiao-hong LIU, Hua DENG, Lin CHANG, Wei ZHANG, Shan JIANG. Recent Progress of SERS for Environmental Estrogen Detection[J]. Spectroscopy and Spectral Analysis, 2020, 40(10): 3038

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