PMID- 35123190
OWN - NLM
STAT- MEDLINE
DCOM- 20220223
LR  - 20231224
IS  - 1873-3557 (Electronic)
IS  - 1386-1425 (Linking)
VI  - 271
DP  - 2022 Apr 15
TI  - High and stable surface-enhanced Raman spectroscopy activity of h-BN 
      nanosheet/Au(1)Ag(3) nanoalloy hybrid membrane for melamine determination.
PG  - 120952
LID - S1386-1425(22)00100-7 [pii]
LID - 10.1016/j.saa.2022.120952 [doi]
AB  - In this work, a hexagonal boron nitride (h-BN)/AuAg nanoalloy hybrids (NAHs) was 
      synthesized to fabricate h-BN/Au(1)Ag(3) membrane as a solid surface-enhanced 
      Raman spectroscopy (SERS) substrate for sensitive SERS detection of melamine. The 
      AuAg nanoalloys were in situ grown on h-BN by chemical reduction method, and the 
      Au/Ag molar ratio was tuned to achieve optimal SERS performance. After the SERS 
      performance of h-BN/AuAg NAHs with different Au/Ag ratios was analyzed, 
      h-BN/Au(1)Ag(3) NAHs were chosen for SERS analysis. The h-BN/Au(1)Ag(3) membrane 
      can be obtained through simple filtration of h-BN/Au(1)Ag(3) NAHs on 
      chromatographic paper. As expected, the solid SERS substrates of h-BN/Au(1)Ag(3) 
      membrane were uniform and demonstrated good selectivity, repeatability and 
      reproducibility for SERS detection of melamine. The results demonstrate that 
      h-BN/Au(1)Ag(3) membrane exhibited high SERS activity for 4-mercaptobenzoic acid 
      (4-MBA) with limit of detection (LOD) at 1.0 ng L(-1), and its analytical 
      enhancement factor (AEF) reached 3.6 x 10(8). The possible enhancement mechanism, 
      including electromagnetic mechanisms (EM) and chemical mechanisms (CM) were 
      illustrated by finite-difference time-domain (FDTD) and density functional theory 
      (DFT) simulations in detail, respectively. The concentration of melamine in the 
      0.05-5.0 mg L(-1) range showed good linear relationship (R(2) = 0.9940) with SERS 
      intensity with LOD of 0.01 mg L(-1). Finally, the recoveries of melamine in 
      liquid milk samples are 87.7-105.7% with relative standard deviations (RSDs) in 
      range of 0.6-2.6%, providing precise safety evaluation of melamine in milk 
      samples.
CI  - Copyright (c) 2022 Elsevier B.V. All rights reserved.
FAU - Ge, Kun
AU  - Ge K
AD  - Faculty of Food Science and Engineering, Kunming University of Science and 
      Technology, Kunming 650500, China; School of Chemistry, Sun Yat-sen University, 
      Guangzhou, 510006, China.
FAU - Wu, Qiyue
AU  - Wu Q
AD  - Faculty of Food Science and Engineering, Kunming University of Science and 
      Technology, Kunming 650500, China.
FAU - Li, Yonghui
AU  - Li Y
AD  - Faculty of Food Science and Engineering, Kunming University of Science and 
      Technology, Kunming 650500, China.
FAU - Gu, Ying
AU  - Gu Y
AD  - Faculty of Food Science and Engineering, Kunming University of Science and 
      Technology, Kunming 650500, China. Electronic address: guying@kust.edu.cn.
LA  - eng
PT  - Journal Article
DEP - 20220129
PL  - England
TA  - Spectrochim Acta A Mol Biomol Spectrosc
JT  - Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
JID - 9602533
RN  - 0 (Boron Compounds)
RN  - 0 (Triazines)
RN  - 2U4T60A6YD (boron nitride)
RN  - N3GP2YSD88 (melamine)
SB  - IM
EIN - Spectrochim Acta A Mol Biomol Spectrosc. 2024 Mar 5;308:123767. PMID: 38142493
MH  - Boron Compounds
MH  - *Metal Nanoparticles/chemistry
MH  - Reproducibility of Results
MH  - *Spectrum Analysis, Raman/methods
MH  - Triazines/analysis
OTO - NOTNLM
OT  - AuAg nanoalloys
OT  - Hexagonal boron nitride
OT  - Melamine
OT  - Membrane
OT  - surface-enhanced Raman spectroscopy
COIS- Declaration of Competing Interest The authors declare that they have no known 
      competing financial interests or personal relationships that could have appeared 
      to influence the work reported in this paper.
EDAT- 2022/02/06 06:00
MHDA- 2022/02/24 06:00
CRDT- 2022/02/05 20:14
PHST- 2021/11/14 00:00 [received]
PHST- 2022/01/22 00:00 [revised]
PHST- 2022/01/24 00:00 [accepted]
PHST- 2022/02/06 06:00 [pubmed]
PHST- 2022/02/24 06:00 [medline]
PHST- 2022/02/05 20:14 [entrez]
AID - S1386-1425(22)00100-7 [pii]
AID - 10.1016/j.saa.2022.120952 [doi]
PST - ppublish
SO  - Spectrochim Acta A Mol Biomol Spectrosc. 2022 Apr 15;271:120952. doi: 
      10.1016/j.saa.2022.120952. Epub 2022 Jan 29.