研究目的
Investigating the synthesis of highly luminescent nitrogen-doped carbonaceous nanospheres (LNCNs) for the detection and imaging of quercetin (Qc) in living cells.
研究成果
The LNCNs synthesized through a one-pot hydrothermal reaction exhibit excellent properties for the sensitive and selective detection of Qc, with potential applications in chemistry, biology, medicine, and environmental sciences.
研究不足
The practical reaction mechanism of the LNCNs is still uncertain. The method may require further optimization for broader applications.
1:Experimental Design and Method Selection:
LNCNs were synthesized via a one-pot hydrothermal reaction of b-cyclodextrin (b-CD) and branched polyethylenimine (BPEI).
2:Sample Selection and Data Sources:
The LNCNs were characterized using TEM, XPS, UV-Vis absorption, and fluorescence emission spectra.
3:List of Experimental Equipment and Materials:
JSM-7600f TEM facility, AXIS Ultra DLD XPS instrument, Lambda 950 UV-Vis spectrophotometer, VERTEX 80V FT-IR spectrometer, LS55 fluorescence spectrophotometer, FL-TCSPC fluorescence spectrophotometer, LSM 710 confocal laser scanning microscope.
4:Experimental Procedures and Operational Workflow:
The LNCNs were prepared by hydrothermal treatment, characterized, and then used for Qc detection and imaging in living cells.
5:Data Analysis Methods:
The fluorescence quenching mechanism was analyzed using the Stern–Volmer equation.
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AXIS Ultra DLD XPS instrument
AXIS Ultra DLD
Kratos
XPS characterisations
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Lambda 950 UV-Vis spectrophotometer
Lambda 950
PE
Recording UV-Vis absorption spectra
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VERTEX 80V FT-IR spectrometer
VERTEX 80V
Bruker
Obtaining FT-IR spectra
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LS55 fluorescence spectrophotometer
LS55
PE
Recording fluorescence spectra
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LSM 710 confocal laser scanning microscope
LSM 710
Zeiss
Recording cellular fluorescence images
ZEISS LSM 990 Spectral Multiplex
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JSM-7600f TEM facility
JSM-7600f
JEOL
Characterization of morphologies of LNCN samples
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FL-TCSPC fluorescence spectrophotometer
FL-TCSPC
Horiba Jobin Yvon
Obtaining absolute QY and fluorescent lifetime of LNCNs
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