PMID- 37630383
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20230828
IS  - 1420-3049 (Electronic)
IS  - 1420-3049 (Linking)
VI  - 28
IP  - 16
DP  - 2023 Aug 18
TI  - Preparation of Novel Solid Phase Extraction Sorbents for Polycyclic Aromatic 
      Hydrocarbons (PAHs) in Aqueous Media.
LID - 10.3390/molecules28166129 [doi]
LID - 6129
AB  - In this study, functionalized mesoporous silica was prepared and characterized as 
      a stationary phase using various analytical and solid-state techniques, including 
      a Fourier-transform infrared (FTIR) spectrometer, thermogravimetric analysis, and 
      nitrogen sorption. The results confirmed the successful synthesis of the hybrid 
      stationary phase. The potential of the prepared hybrid mesoporous silica as a 
      solid-phase extraction (SPE) stationary phase for separating and enriching 
      polycyclic aromatic hydrocarbons (PAHs) in both spiked water samples and real 
      water samples was evaluated. The analysis involved extracting the PAHs from the 
      water samples using solid-phase extraction and analyzing the extracts using a 
      two-dimensional gas chromatograph coupled to a time-of-flight mass spectrometer 
      (GC x GC-TOFMS). The synthesized sorbent exhibited outstanding performance in 
      extracting PAHs from both spiked water samples and real water samples. In the 
      spiked water samples, the recoveries of the PAHs ranged from 79.87% to 95.67%, 
      with relative standard deviations (RSDs) ranging from 1.85% to 8.83%. The limits 
      of detection (LOD) for the PAHs were in the range of 0.03 microg/L to 0.04 microg/L, 
      while the limits of quantification (LOQ) ranged from 0.05 microg/L to 3.14 microg/L. 
      Furthermore, all the calibration curves showed linearity, with correlation 
      coefficients (r) above 0.98. Additionally, the results from real water samples 
      indicated that the levels of individual PAH detected ranged from 0.57 to 12.31 
      microg/L with a total of 44.67 microg/L. These findings demonstrate the effectiveness of 
      the hybrid mesoporous silica as a promising stationary phase for solid-phase 
      extraction and sensitive detection of PAHs in water samples.
FAU - Maiga, Deogratius T
AU  - Maiga DT
AD  - Measurement and Control Division, Council for Mineral Technology (MINTEK), 
      Private Bag X3015, Randburg, Johannesburg 2125, South Africa.
AD  - Institute for Nanotechnology and Water Sustainability, College of Science 
      Engineering and Technology, UNISA Science Campus, University of South Africa, 
      Roodepoort, Johannesburg 1710, South Africa.
FAU - Kibechu, Rose W
AU  - Kibechu RW
AD  - Department of Chemistry, University of Eswatini, P/Bag 4 Kwaluseni Campus, 
      Kwaluseni 0004, Eswatini.
FAU - Mamba, Bhekie B
AU  - Mamba BB
AD  - Institute for Nanotechnology and Water Sustainability, College of Science 
      Engineering and Technology, UNISA Science Campus, University of South Africa, 
      Roodepoort, Johannesburg 1710, South Africa.
AD  - State Key Laboratory of Separation Membranes and Membrane Process, National 
      Center for International Joint Research on Membrane Science and Technology, 
      Tianjin 300387, China.
FAU - Msagati, Titus A M
AU  - Msagati TAM
AUID- ORCID: 0000-0002-9621-5051
AD  - Institute for Nanotechnology and Water Sustainability, College of Science 
      Engineering and Technology, UNISA Science Campus, University of South Africa, 
      Roodepoort, Johannesburg 1710, South Africa.
FAU - Phadi, Terence T
AU  - Phadi TT
AD  - Measurement and Control Division, Council for Mineral Technology (MINTEK), 
      Private Bag X3015, Randburg, Johannesburg 2125, South Africa.
LA  - eng
PT  - Journal Article
DEP - 20230818
PL  - Switzerland
TA  - Molecules
JT  - Molecules (Basel, Switzerland)
JID - 100964009
SB  - IM
PMC - PMC10457983
OTO - NOTNLM
OT  - SPE separation
OT  - gas chromatography coupled with time-of-flight mass spectrometry
OT  - hybrid stationary phase materials
OT  - organic pollutants
COIS- The authors declare no conflict of interest in this paper.
EDAT- 2023/08/26 10:44
MHDA- 2023/08/26 10:45
PMCR- 2023/08/18
CRDT- 2023/08/26 01:24
PHST- 2023/07/07 00:00 [received]
PHST- 2023/08/02 00:00 [revised]
PHST- 2023/08/15 00:00 [accepted]
PHST- 2023/08/26 10:45 [medline]
PHST- 2023/08/26 10:44 [pubmed]
PHST- 2023/08/26 01:24 [entrez]
PHST- 2023/08/18 00:00 [pmc-release]
AID - molecules28166129 [pii]
AID - molecules-28-06129 [pii]
AID - 10.3390/molecules28166129 [doi]
PST - epublish
SO  - Molecules. 2023 Aug 18;28(16):6129. doi: 10.3390/molecules28166129.