PMID- 24119754
OWN - NLM
STAT- MEDLINE
DCOM- 20140519
LR  - 20221207
IS  - 1873-3778 (Electronic)
IS  - 0021-9673 (Linking)
VI  - 1316
DP  - 2013 Nov 5
TI  - Amphiphilic block copolymer modified magnetic nanoparticles for 
      microwave-assisted extraction of polycyclic aromatic hydrocarbons in 
      environmental water.
PG  - 1-7
LID - S0021-9673(13)01458-1 [pii]
LID - 10.1016/j.chroma.2013.09.030 [doi]
AB  - In this work, amphiphilic block copolymer poly(tert-butyl 
      methacrylate)-block-poly(glycidyl methacrylate) (PtBMA-b-PGMA) modified Fe3O4 
      magnetic nanoparticles (Fe3O4 MNPs) were synthesized, and served as an adsorbent 
      for microwave-assisted extraction of polycyclic aromatic hydrocarbons (PAHs). The 
      PtBMA-b-PGMA block copolymers with different block ratios were prepared by 
      two-step atom transfer radical polymerization (ATRP) and the extraction abilities 
      of their corresponding Fe3O4@PtBMA-b-PGMA were investigated. The key factors 
      affecting the extraction efficiency of the adsorbent, including microwave 
      conditions, amount of adsorbent, type and volume of desorption solvent, were 
      studied in detail. In comparison with vortex, which is a conventional method used 
      for assisting extraction, the proposed microwave-assisted method allowed better 
      extraction efficiency and required a shorter extraction time. The calibration 
      curves of PAHs were obtained in the range of 0.05-120 mug/L (r>0.9985) and the 
      limits of detection (S/N=3) were in the range of 2.4-6.3 ng/L. The recoveries of 
      PAHs spiked in environmental water samples were between 62.5% and 104% with 
      relative standard deviations (RSDs) ranging from 0.84% to 9.02%. The proposed 
      technique combining microwave-assisted extraction and magnetic separation was 
      demonstrated to be a fast, convenient and sensitive pretreating method for PAHs.
CI  - Copyright (c) 2013 Elsevier B.V. All rights reserved.
FAU - Li, Nan
AU  - Li N
AD  - Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical 
      Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of 
      Sciences, Beijing 100190, PR China; Graduate School, University of Chinese 
      Academy of Sciences, Beijing 100049, PR China.
FAU - Qi, Li
AU  - Qi L
FAU - Shen, Ying
AU  - Shen Y
FAU - Li, Yaping
AU  - Li Y
FAU - Chen, Yi
AU  - Chen Y
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20130925
PL  - Netherlands
TA  - J Chromatogr A
JT  - Journal of chromatography. A
JID - 9318488
RN  - 0 (Drinking Water)
RN  - 0 (Magnetite Nanoparticles)
RN  - 0 (Polycyclic Aromatic Hydrocarbons)
RN  - 0 (Polymers)
RN  - 0 (Waste Water)
RN  - 0 (Water Pollutants, Chemical)
RN  - 1364PS73AF (Acetone)
SB  - IM
MH  - Acetone/chemistry
MH  - Adsorption
MH  - Chemical Fractionation/*methods
MH  - Drinking Water/chemistry
MH  - Fresh Water/chemistry
MH  - Magnetite Nanoparticles/*chemistry
MH  - *Microwaves
MH  - Polycyclic Aromatic Hydrocarbons/analysis/chemistry/*isolation & purification
MH  - Polymers/*chemistry
MH  - Reproducibility of Results
MH  - Wastewater/chemistry
MH  - Water Pollutants, Chemical/analysis/chemistry/*isolation & purification
OTO - NOTNLM
OT  - Amphiphilic block copolymer
OT  - Fe(3)O(4) magnetic nanoparticles
OT  - Microwave-assisted extraction
EDAT- 2013/10/15 06:00
MHDA- 2014/05/20 06:00
CRDT- 2013/10/15 06:00
PHST- 2013/05/24 00:00 [received]
PHST- 2013/09/03 00:00 [revised]
PHST- 2013/09/09 00:00 [accepted]
PHST- 2013/10/15 06:00 [entrez]
PHST- 2013/10/15 06:00 [pubmed]
PHST- 2014/05/20 06:00 [medline]
AID - S0021-9673(13)01458-1 [pii]
AID - 10.1016/j.chroma.2013.09.030 [doi]
PST - ppublish
SO  - J Chromatogr A. 2013 Nov 5;1316:1-7. doi: 10.1016/j.chroma.2013.09.030. Epub 2013 
      Sep 25.