| Info. | Vol.15 - No.3 (2021.09.20) |
|---|---|
| Title | Paper-Based Fluorescence Chemosensors for Metal Ion Detection in Biological and Environmental Samples |
| Authors | Rajamanickam Sivakumar1 · Nae Yoon Lee2 |
| Institutions | *Nae Yoon Lee nylee@gachon.ac.kr
1Department of Industrial Environmental Engineering, College of Industrial Environmental Engineering, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, South Korea 2Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do 13120, South Korea |
| Abstract | The recognition and detection of metal ions present in biological and environmental samples have attracted great attention in recent years. Various analytical techniques are used to detect metal ions. Among these, the fl uorescence technique is among the emerging methods because of its simplicity, selectivity, and applicability to bioimaging. Thus, this review particularly explores paper-based fluorescence chemosensors involved in metal ion detection. Signifi cantly, the first section addresses relevant research on metal ion detection involving various techniques. In the second section, several sensing strategies such as photoinduced electron transfer, fluorescence resonance energy transfer, intramolecular charge transfer, chelation enhanced fluorescence, excited-state intramolecular proton transfer, and aggregation-induced emission for the detection of target metal ions (aluminum, copper, iron, lead, mercury, and zinc) are investigated. The third section particularly discusses the role of fluorescence sensor materials (e.g., fluorescein, rhodamine, naphthalimide, BODIPY, carbon dots, quantum dots) involved in the detection processes and their advantages and limitations. Overall, this article reviews 90 research articles on paperbased fluorescence chemosensors for metal ion detection published until 2021. |
| Keyword | Environmental monitoring · Fluorescence chemosensor · Metal ions · Paper strip |
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