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. Author manuscript; available in PMC: 2021 Nov 11.
Published in final edited form as: Nanoscale. 2019 Nov 28;11(46):22172–22181. doi: 10.1039/c9nr08510f

Table 1.

Sensors based on the optical or catalytic properties of NCs for recognition of bacteria through the identification by a molecular motif.

NCs Molecular motif Bacteria The Advantage from NCs Detection Limit Ref.
DNA-AgNCs Aptamer S. typhimurium, Fluorescence 8 CFU/mL 84
DNA-AgNCs DNAzyme E. coli Fluorescence 60 CFU/mL 85
DNA-AgNCs Aptamer Salmonella Catalysis 0.97 fM 86
DNA-AgNCs Aptamer E. coli, S. aureus Fluorescence 100 fM 87
CHI-AuNCs Aptamer S. aureus, SE-B Catalysis 1.0× 10−12 g/mL 78
BSA-AuNCs AntiSAIgG MSSA and MRSA Fluorescence - 64
AuNCs@Mann Mannose E. coli J96 Fluorescence 2×106 cells/mL 88
HSA-AuNCs Peptide S. aureus, MRSA Fluorescence 106 cells/mL 89
Pep-AuNCs Peptide Listeria monocytogenes Fluorescence 2000 CFU/mL 82
*

CHI- chitosan; HSA - human serum albumin; Pep- peptide; Mann-mannose; MSSA- methicillin-susceptible Staphylococcus aureus; MRSA- methicillin-resistant Staphylococcus aureus; SE-B-Staphylococcal enterotoxin B.