Sol-gel approach for fabrication of coated anodized titanium wire for solid-phase microextraction: highly efficient adsorbents for enrichment of trace polar analytes
文献类型:期刊论文
作者 | Jia J(贾静)1,2; Xu LL(许丽丽)1,2; Wang S(王帅)1; Wang LC(王立成)1; Liu X(刘霞)1; Liu X(刘霞); Wang LC(王立成) |
刊名 | Analytical and Bioanalytical Chemistry |
出版日期 | 2014 |
卷号 | 406期号:13页码:3209-3217 |
ISSN号 | 1618-2642 |
关键词 | Anodized titanium wire Sol-gel Solid-phase microextraction Ephedrine Methylephedrine |
通讯作者 | 王立成 ; 刘霞 |
英文摘要 | Nanotubular titania film was prepared in situ on titanium wire and was used as the fiber substrate for solid-phase microextraction (SPME) because of its high surface-to-volume ratio, easy preparation, and mechanical stability. Three different functional coatings, β-cyclodextrin (β-CD), β-cyclodextrin-co-poly(ethylenepropylene glycol) (β-CD/PEG), and polyethylene glycol (PEG)-based sorbents were chemically bonded to the nanostructured wire surface via sol-gel technology to further enhance the absorbing capability and extraction selectivity. Coupled to gas chromatography-flame ionic detection (GC-FID), the prepared SPME fibers were investigated using diverse compounds. The results indicated that the fibers showed good mechanical strength, excellent thermal stability, and wonderful capacity and selectivity to polar compounds, including polar aromatic compounds, alcohols, and ketones. Combining the superior hydrophilic property of a bonded functional molecule and the highly porous structure of a fiber coating, the prepared PEG-coated SPME fiber showed much higher adsorption affinity to ephedrine and methylephedrine than β-CD and β-CD/PEG fibers. The as-established PEG-coated SPME-GC analytical method provided excellent sensitivity (LODs, 0.004 and 0.001 ng mL–1 for ephedrine and methylephedrine, respectively) and better linear range (0.01–2 000 μg L−1). In addition, it has surprising repeatability and reproducibility. Finally, the present approach was used to analyze ephedrine and methylephedrine from real urine samples, and reliable results were obtained. |
学科主题 | 分析化学与药物化学 |
资助信息 | the National Natural Science Foundation of China (no. 21175143;21105107);the National Science and Technology Major Project of China (nos. 2011ZX05010;2011ZX05011) |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000334685400021 |
源URL | [http://210.77.64.217/handle/362003/21313] |
专题 | 兰州化学物理研究所_中科院西北特色植物资源化学重点实验室/甘肃省天然药物重点实验室 |
通讯作者 | Liu X(刘霞); Wang LC(王立成) |
作者单位 | 1.Chinese Acad Sci, Lanzhou Inst Chem Phys, Key Lab Nat Med Gansu Prov, Lanzhou 730000, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China |
推荐引用方式 GB/T 7714 | Jia J,Xu LL,Wang S,et al. Sol-gel approach for fabrication of coated anodized titanium wire for solid-phase microextraction: highly efficient adsorbents for enrichment of trace polar analytes[J]. Analytical and Bioanalytical Chemistry,2014,406(13):3209-3217. |
APA | Jia J.,Xu LL.,Wang S.,Wang LC.,Liu X.,...&王立成.(2014).Sol-gel approach for fabrication of coated anodized titanium wire for solid-phase microextraction: highly efficient adsorbents for enrichment of trace polar analytes.Analytical and Bioanalytical Chemistry,406(13),3209-3217. |
MLA | Jia J,et al."Sol-gel approach for fabrication of coated anodized titanium wire for solid-phase microextraction: highly efficient adsorbents for enrichment of trace polar analytes".Analytical and Bioanalytical Chemistry 406.13(2014):3209-3217. |
入库方式: OAI收割
来源:兰州化学物理研究所
其他版本
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。