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Substrateless graphene fiber: a sorbent for solid-phase microextraction.
J Chromatogr A. 2012 Dec 14; 1268:9-15.JC

Abstract

In current study, a substrateless graphene fiber was successfully prepared by a simple hydrothermal strategy and used as solid-phase microextraction (SPME) sorbent. Five organochlorine pesticides (OCPs) were employed as model analytes to evaluate the performance of as-prepared graphene fiber. The results showed that the graphene fiber exhibited higher extraction efficiencies, higher thermal stability (up to 310°C), better reproducibility, and longer service life (more than 180 times reuse) than commercial fibers. In addition, the method for the determination of OCPs was proposed by coupling headspace (HS)-SPME technique with gas chromatography/electron capture detector (HS-SPME-GC/ECD). The proposed HS-SPME-GC/ECD method showed low limits of detection (0.83-11.5 ng/L), wide linear dynamic ranges (more than 2 orders of magnitude), and acceptable reproducibility (RSD<10.9%). Finally, the proposed method was successfully applied to the analysis of OCPs in environmental water samples with good recoveries (81-121%) and satisfactory precisions (RSD<9%).

Authors+Show Affiliations

Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Department of Chemistry, Wuhan University, Wuhan 430072, China.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Evaluation Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

23131764

Citation

Luo, Yan-Bo, et al. "Substrateless Graphene Fiber: a Sorbent for Solid-phase Microextraction." Journal of Chromatography. A, vol. 1268, 2012, pp. 9-15.
Luo YB, Yuan BF, Yu QW, et al. Substrateless graphene fiber: a sorbent for solid-phase microextraction. J Chromatogr A. 2012;1268:9-15.
Luo, Y. B., Yuan, B. F., Yu, Q. W., & Feng, Y. Q. (2012). Substrateless graphene fiber: a sorbent for solid-phase microextraction. Journal of Chromatography. A, 1268, 9-15. https://doi.org/10.1016/j.chroma.2012.10.035
Luo YB, et al. Substrateless Graphene Fiber: a Sorbent for Solid-phase Microextraction. J Chromatogr A. 2012 Dec 14;1268:9-15. PubMed PMID: 23131764.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Substrateless graphene fiber: a sorbent for solid-phase microextraction. AU - Luo,Yan-Bo, AU - Yuan,Bi-Feng, AU - Yu,Qiong-Wei, AU - Feng,Yu-Qi, Y1 - 2012/10/23/ PY - 2012/08/15/received PY - 2012/10/12/revised PY - 2012/10/15/accepted PY - 2012/11/8/entrez PY - 2012/11/8/pubmed PY - 2013/4/12/medline SP - 9 EP - 15 JF - Journal of chromatography. A JO - J Chromatogr A VL - 1268 N2 - In current study, a substrateless graphene fiber was successfully prepared by a simple hydrothermal strategy and used as solid-phase microextraction (SPME) sorbent. Five organochlorine pesticides (OCPs) were employed as model analytes to evaluate the performance of as-prepared graphene fiber. The results showed that the graphene fiber exhibited higher extraction efficiencies, higher thermal stability (up to 310°C), better reproducibility, and longer service life (more than 180 times reuse) than commercial fibers. In addition, the method for the determination of OCPs was proposed by coupling headspace (HS)-SPME technique with gas chromatography/electron capture detector (HS-SPME-GC/ECD). The proposed HS-SPME-GC/ECD method showed low limits of detection (0.83-11.5 ng/L), wide linear dynamic ranges (more than 2 orders of magnitude), and acceptable reproducibility (RSD<10.9%). Finally, the proposed method was successfully applied to the analysis of OCPs in environmental water samples with good recoveries (81-121%) and satisfactory precisions (RSD<9%). SN - 1873-3778 UR - https://www.unboundmedicine.com/medline/citation/23131764/Substrateless_graphene_fiber:_a_sorbent_for_solid_phase_microextraction_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0021-9673(12)01607-X DB - PRIME DP - Unbound Medicine ER -