Clustering-Triggered Emission of EPS-605 Nanoparticles and Their Application in Biosensing.

Chengcheng Li, Xiaotong Shi, Xiaodong Zhang

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Article in Polymers, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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3 authors.

Chengcheng LiCollege of Light Industry and Food Engineering, Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Jiangsu Co-Innovation Center for Efficient Processing, Nanjing Forestry University, Nanjing 210037, China.

Xiaotong ShiCollege of Light Industry and Food Engineering, Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, Jiangsu Co-Innovation Center for Efficient Processing, Nanjing Forestry University, Nanjing 210037, China.

Xiaodong ZhangDivision of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.ORCID 0000-0003-4137-3535

Funding

Nanjing Forestry University 2020 Scientific Research Start-up Funds 163105075National Natural Science Foundation of China 32101916Natural Science Foundation of Jiangsu Province BK20200619

6 · The paper itself

Abstract

Natural carbohydrates with intrinsic luminescent properties have drawn increasing attention thanks to their fundamental importance and promising applications. To expand the range of natural nonconventional biomacromolecule luminogens and to gain deep insights into their emission mechanism, we prepared EPS-605, a naturally occurring spherical nanoparticle based on negatively charged exopolysaccharides (EPS), and studied its emission behavior. It was found that EPS-605 was highly emissive in the aggregate state, such as powder and film. Furthermore, EPS-605 aqueous solutions exhibited concentration-enhanced emission characteristics. According to fluorescence spectra and confocal images, the fluorescence phenomenon of EPS-605 was not affected by the pH value and the carbon sources. The emission behavior of EPS-605 was attributed to the clustering-triggered emission (CTE) mechanism. Moreover, EPS-605 was successfully utilized for Fe

Indexed as

clustering-triggered emissionexopolysaccharidesFe3+ detectionLactiplantibacillus plantarumnonconventional luminogenspolymeric nanoparticles

Identifiers

PMID36235999

DOI10.3390/polym14194050

PMCPMC9571269

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