Title

A Portable Paper-based Dual-mode Colorimetric and Fluorescence Sensor for On-site Detection of Perfluorinated Compounds

Alternative Title

과불화화합물의 현장 감지를 위한 휴대용 종이기반 이중 모드 비색, 형광 센서

DGIST Authors

Dohyun Yim ; Chiyoung Park ; Dong Hae Ho

Advisor

박치영

Co-Advisor(s)

Dong Hae Ho

Issued Date

2026

Awarded Date

2026-02-01

Type

Thesis

Description

fluorescence, calorimetric sensor, per- and polyfluoroalkyl substances(PFAS), xanthene-based dye, on-site monitoring

Table Of Contents

Ⅰ. Introduction 1
1.1 Physicochemical properties of PFAS 1
1.2 Water pollution 3
1.2.1 Health Impacts of PFAS Exposure 3
1.2.2 PFAS limitation 4
1.3 Analysis methods of PFAS 5
1.4 Physicochemical interactions 6
1.4.1 Fluorophilic interactions 7
1.4.2 Hydrophobic interactions 7
1.4.3 Electrostatic interactions 7
Ⅱ. Experimental 9
2.1 Materials 9
2.2 Instruments and Characterizations 9
2.3 Synthesis of RhB_PEI 9
2.4 membrane type of RhB_PEI 9
2.5 PFAS sensing test in solution 10
2.6 PFAS sensing test in membrane 10
Ⅲ. Results & Discussion 11
3.1 Material’s structure and properties 11
3.2 Material’s performance 13
Ⅳ. Conclusion 22
Ⅴ. References 23
Ⅵ. Korean summary 28
2.6 PFAS sensing test in membrane 9
Ⅲ. Results & Discussion 11
3.1 Material’s structure and properties 11
3.2 Material’s performance 13
Ⅳ. Conclusion 22
Ⅴ. References 23
Ⅵ. Korean summary 28

URI

https://scholar.dgist.ac.kr/handle/20.500.11750/59689
http://dgist.dcollection.net/common/orgView/200000942690

DOI

10.22677/THESIS.200000942690

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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