Published December 16, 2021 | Version v1
Journal article Metadata-only

Photothermal-enhanced peroxidase-like activity of CDs/PBNPs for the detection of Fe3+ and cholesterol in serum samples

Creators

  • 1. Northeast Normal University. Centre for Advanced Optoelectronic Functional Materials Research, Key Laboratory for UV Light-Emitting Materials and Technology of the Ministry of Education (China)
  • 2. Western Washington University. Department of Chemistry (United States)

Description

Carbon dots/Prussian blue nanoparticles (CDs/PBNPs) with fluorescence (FL) performance and peroxidase-like activity are synthesized by a simple two-step method. The FL of CDs/PBNPs can be effectively quenched by Fe3+. Fe3+ can accelerate the peroxidase-like activity of CDs/PBNPs. More excitingly, the peroxidase-like activity of CDs/PBNPs could be further enhanced due to the influence of the photothermal effect. Based on the FL property and enhanced peroxidase-like activity, a cascade strategy is proposed for detection of Fe3+ and free cholesterol. CD/PBNPs act as FL probe for detection of Fe3+. The enhanced peroxidase-like activity of CDs/PBNPs can also be used as colorimetric probe for the detection of free cholesterol. The detection ranges of Fe3+ and free cholesterol are 4–128 μM and 2–39 μM, and the corresponding limit of detections are 2.0 μM and 1.63 μM, respectively. The proposed strategy has been verified by the feasibility determination of Fe3+ and free cholesterol, suggesting its potential in the prediction of disease. Graphical abstract:

Additional details

Identifiers

DOI
10.1007/s00604-021-05129-w;

Publishing Information

Journal Title
Mikrochimica Acta
Journal Volume
189
Journal Issue
1
Journal Page Range
vp.
ISSN
0026-3672
CODEN
MIACAQ

INIS

Country of Publication
Austria
Country of Input or Organization
Austria
INIS RN
54089580
Subject category
S77: NANOSCIENCE AND NANOTECHNOLOGY; S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Descriptors DEI
CARBON; CATALYTIC EFFECTS; CHOLESTEROL; FERROCYANIDES; FLUORESCENCE; HYDROTHERMAL SYNTHESIS; IRON IONS; NANOCHEMISTRY; NANOPARTICLES; POTASSIUM COMPOUNDS; QUANTUM DOTS
Descriptors DEC
ALKALI METAL COMPOUNDS; CHARGED PARTICLES; CHEMISTRY; COMPLEXES; ELEMENTS; EMISSION; HYDROXY COMPOUNDS; IONS; IRON COMPLEXES; LUMINESCENCE; NANOSTRUCTURES; NONMETALS; ORGANIC COMPOUNDS; PARTICLES; PHOTON EMISSION; STEROIDS; STEROLS; SYNTHESIS; TRANSITION ELEMENT COMPLEXES

Optional Information

Copyright
Copyright (c) 2021 © The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2021