지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
A stainless-steel needle (Hamilton 90022, 22 gauge, 718-μm o.d., 413-μm i.d., 51-mm length, bevel tip) with an electrochemically coated polyaniline layer having a microbore tunnel was newly prepared as a device for headspace in-needle microextraction. For designing the needle, the polyaniline layer length was optimized, and to evaluate the extraction efficiency for polycyclic aromatic hydrocarbons, numerous cyclic voltammetry scans were conducted. In addition, the optimization of the analytical conditions (including the adsorption and desorption parameters) and the validation of the analytical method were conducted. The optimized adsorption and desorption conditions were 40 °C for 30 min and 230 °C for 60 s, respectively. Finally, in this study, a polyaniline layer was electrochemically deposited on the in-needle surface, and it exhibited good thermal stability. The needle with the polyaniline layer was repeatedly used more than 200 times during this study. This method has some advantages in terms of the extraction time, extraction efficiency, and analysis cost.
목차
Abstract
1. Introduction
2. Experimental Section
3. Results and Discussion
4. Conclusions
References
참고문헌 (35)
참고문헌 신청
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A. Bhargava, R. Khanna, S. Bhargava and S. Kumar, Atmos. Environ., 38(28), 4761-4767 (2004).
E. Yoon, K. Park, H. Lee, J. Yang and C. Lee, Hum. Ecol. Risk Assess., 13(3), 669-680 (2007).
P. Baumard, H. Budzinski and P. Garrigues, Environ. Toxicol. Chem., 17(5), 765-776 (1998).
E. Manoli and C. Samara, Trends Anal. Chem., 18(6), 417-428 (1999).
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UCI(KEPA) : I410-ECN-0101-2020-433-000508560