PMID- 31147761
OWN - NLM
STAT- MEDLINE
DCOM- 20190826
LR  - 20190826
IS  - 1618-2650 (Electronic)
IS  - 1618-2642 (Linking)
VI  - 411
IP  - 21
DP  - 2019 Aug
TI  - Synthesis of molecularly imprinted fluorescent probe based on biomass-derived 
      carbon quantum dots for detection of mesotrione.
PG  - 5519-5530
LID - 10.1007/s00216-019-01930-y [doi]
AB  - A novel fluorescent probe based on molecularly imprinted polymers (MIPs) coupled 
      with carbon quantum dots (CQDs) was fabricated and successfully used for 
      selective recognition of mesotrione. In this probe, the biomass-derived CQDs were 
      prepared through a hydrothermal method using mango peels as carbon source, and 
      the whole synthesis procedure was green without chemical reagents. The CQDs were 
      encapsulated into MIPs by using sol-gel technology. After removal of the template 
      molecule mesotrione, specific binding sites are formed and there is electrostatic 
      attraction between the probe and the template molecule. The synthetic CQDs@MIPs 
      were able to selectively capture the target mesotrione with fluorescence 
      quenching via the specific interaction between mesotrione and the recognition 
      cavities. The probe was used for determination of mesotrione in corn to verify 
      the practicality of the proposed method. The detection limit of mesotrione was 
      4.7 nmol L(-1), and the linear range was 15 nmol L(-1) to 3000 nmol L(-1). 
      Meanwhile, the recoveries of this method for mesotrione were 91.4-96.2%, and the 
      relative standard deviations (RSDs) were 3.2-6.1%. This work provides a novel 
      research method to synthesize CQDs@MIPs with high selectivity (imprinting 
      factor = 5.6), and which can be used for convenient, rapid recognition and 
      sensitive detection of trace compounds from complex matrices.
FAU - Sun, Xue
AU  - Sun X
AD  - Department of Chemistry, College of Science, Northeast Forestry University, 26 
      Hexing Road, Harbin, 150040, Heilongjiang, China.
FAU - Liu, Yiru
AU  - Liu Y
AD  - Department of Chemistry, College of Science, Northeast Forestry University, 26 
      Hexing Road, Harbin, 150040, Heilongjiang, China.
FAU - Niu, Na
AU  - Niu N
AD  - Department of Chemistry, College of Science, Northeast Forestry University, 26 
      Hexing Road, Harbin, 150040, Heilongjiang, China.
FAU - Chen, Ligang
AU  - Chen L
AD  - Department of Chemistry, College of Science, Northeast Forestry University, 26 
      Hexing Road, Harbin, 150040, Heilongjiang, China. ligangchen2010@aliyun.com.
LA  - eng
GR  - No. 2572017EB08/Fundamental Research Funds for the Central Universities/
PT  - Journal Article
DEP - 20190530
PL  - Germany
TA  - Anal Bioanal Chem
JT  - Analytical and bioanalytical chemistry
JID - 101134327
RN  - 0 (Cyclohexanones)
RN  - 0 (Fluorescent Dyes)
RN  - 48TR68G21T (mesotrione)
SB  - IM
MH  - *Biomass
MH  - Cyclohexanones/*analysis
MH  - Fluorescent Dyes/*chemistry
MH  - Limit of Detection
MH  - *Molecular Imprinting
MH  - *Quantum Dots
MH  - Reproducibility of Results
OTO - NOTNLM
OT  - Carbon quantum dots
OT  - Fluorescence quenching mechanism
OT  - Mesotrione
OT  - Molecularly imprinted polymer
EDAT- 2019/05/31 06:00
MHDA- 2019/08/27 06:00
CRDT- 2019/06/01 06:00
PHST- 2019/04/27 00:00 [received]
PHST- 2019/05/16 00:00 [accepted]
PHST- 2019/05/31 06:00 [pubmed]
PHST- 2019/08/27 06:00 [medline]
PHST- 2019/06/01 06:00 [entrez]
AID - 10.1007/s00216-019-01930-y [pii]
AID - 10.1007/s00216-019-01930-y [doi]
PST - ppublish
SO  - Anal Bioanal Chem. 2019 Aug;411(21):5519-5530. doi: 10.1007/s00216-019-01930-y. 
      Epub 2019 May 30.