A label-free fluorescent biosensor based on specific aptamer-templated silver nanoclusters for the detection of tetracycline

Table 1 Comparison of aptasensors for TET detection

Methods	Linear range (ng/mL)	LOD (ng/mL)	Transducer type	Time needed	References
Fluorescent aptasensor based on SYBR Green I	5000–25,000	100	Fluorescence	20 min	[5]
Colorimetric aptasensor based on AuNPs	0.675–22.5	0.5985	Colorimetry	3 h 55 min	[40]
Aptasensor based on liquid crystal	0.0011–1.125	0.0011	Imaging	> 11 h	[41]
Fluorescent aptasensor based on thiazole orange	50-100000	29	Fluorescence	20 min	[42]
Instrument-free visual aptasensor based on caged G-quadruplex and DNAzyme	0.0023-225	0.00045	Colorimetry	–	[43]
Fluorescent aptasensor based on graphene quantum dots and palladium nanoparticles	50–100	45	Fluorescent	8 h	[16]
SPR aptasensor based on oriented aptamer	0.01–1000	0.0978	SPR signal	1 h	[44]
Fluorescent aptasensor based on Apt76-AgNCs	20–10,000	11.46	Fluorescence	100 min	This work

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