Please use this identifier to cite or link to this item: https://doi.org/10.1021/acs.chemmater.1c02817
Title: Universal Fluorescence Light-Up Gram-Staining Technique for Living Bacterial Differentiation
Authors: Liu, X 
Qi, G 
Wu, M
Pan, Y 
Liu, B 
Issue Date: 14-Dec-2021
Publisher: American Chemical Society (ACS)
Citation: Liu, X, Qi, G, Wu, M, Pan, Y, Liu, B (2021-12-14). Universal Fluorescence Light-Up Gram-Staining Technique for Living Bacterial Differentiation. Chemistry of Materials 33 (23) : 9213-9220. ScholarBank@NUS Repository. https://doi.org/10.1021/acs.chemmater.1c02817
Abstract: Traditional Gram staining is a standard method used to differentiate Gram-positive (G+) and Gram-negative (G-) bacteria, but this approach contains multiple steps, which require considerable expertise and practice. Furthermore, Gram staining is incompatible with living cells. Based on the cell surface components of pathogenic bacteria, here, we developed a proof-of-concept fluorescence light-up Gram-staining technique using two bio-orthogonal fluorescence turn-on probes TPPB and BPTZ. This Gram-staining technique can selectively label G- bacteria by TPPB, while BPTZ can label both G+ and G- bacteria, offering a clear differentiation of the living G+ and G- bacterial populations with high selectivity and sensitivity. Our approach offers a resourceful tool for specific discrimination of living G+ and G- bacteria in both fundamental and clinical bacteria detection.
Source Title: Chemistry of Materials
URI: https://scholarbank.nus.edu.sg/handle/10635/215016
ISSN: 0897-4756
1520-5002
DOI: 10.1021/acs.chemmater.1c02817
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