Spinnable hydrogel marbles: a dynamic miniature molecule concentrator for efficient water decontamination and colorimetric detection
The efficient accumulation of molecules from dilute solutions is crucial for facilitating pollutant decontamination, trace analyte detection, and chemical reactions. However, current methods to concentrate molecules are limited by prolonged processing times, high energy consumption, and a narrow ran...
| Main Authors: | , , , , |
|---|---|
| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2024
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/173093 |
| _version_ | 1811685114151698432 |
|---|---|
| author | Pereira, Veronica Ang, Zhi Zhong Chong, Carice Li, Haitao Lee, Hiang Kwee |
| author2 | School of Chemistry, Chemical Engineering and Biotechnology |
| author_facet | School of Chemistry, Chemical Engineering and Biotechnology Pereira, Veronica Ang, Zhi Zhong Chong, Carice Li, Haitao Lee, Hiang Kwee |
| author_sort | Pereira, Veronica |
| collection | NTU |
| description | The efficient accumulation of molecules from dilute solutions is crucial for facilitating pollutant decontamination, trace analyte detection, and chemical reactions. However, current methods to concentrate molecules are limited by prolonged processing times, high energy consumption, and a narrow range of applicable molecules. Herein, we introduce a magnetic-responsive spinnable hydrogel marble (SHM) as a miniature molecule concentrator for efficient water decontamination and sensing applications. The spinning motion of SHM creates a dynamic water-water interface within an aqueous environment, generating a vortex-like hydrodynamic flow that actively delivers molecules into the embedded hydrogel microdroplet. Notably, the SHM achieves a remarkable ∼95 % decontamination efficiency for cationic organic water pollutants in just 15 min while simultaneously concentrating molecules within SHM by ≥300-fold, a feat that remains challenging with conventional non-dynamic liquid interface. Moreover, the SHM also doubles as a versatile concentrator-cum-detection platform for ultrasensitive colorimetric sensing of organic pollutants in real wastewater at >99 % accuracy, thereby allowing the on-site readout of water chemistry using naked eyes or smartphone for prompt intervention. By enabling the efficient and swift concentration of molecules in an energy-efficient manner, our unique design effectively addresses the drawbacks of traditional approaches and creates enormous opportunities for diverse analytical, environmental, and chemical applications. |
| first_indexed | 2024-10-01T04:39:22Z |
| format | Journal Article |
| id | ntu-10356/173093 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T04:39:22Z |
| publishDate | 2024 |
| record_format | dspace |
| spelling | ntu-10356/1730932024-01-12T15:32:03Z Spinnable hydrogel marbles: a dynamic miniature molecule concentrator for efficient water decontamination and colorimetric detection Pereira, Veronica Ang, Zhi Zhong Chong, Carice Li, Haitao Lee, Hiang Kwee School of Chemistry, Chemical Engineering and Biotechnology Institute of Materials Research and Engineering, A*STAR Science::Chemistry Molecule Concentrator Water-Water Interface The efficient accumulation of molecules from dilute solutions is crucial for facilitating pollutant decontamination, trace analyte detection, and chemical reactions. However, current methods to concentrate molecules are limited by prolonged processing times, high energy consumption, and a narrow range of applicable molecules. Herein, we introduce a magnetic-responsive spinnable hydrogel marble (SHM) as a miniature molecule concentrator for efficient water decontamination and sensing applications. The spinning motion of SHM creates a dynamic water-water interface within an aqueous environment, generating a vortex-like hydrodynamic flow that actively delivers molecules into the embedded hydrogel microdroplet. Notably, the SHM achieves a remarkable ∼95 % decontamination efficiency for cationic organic water pollutants in just 15 min while simultaneously concentrating molecules within SHM by ≥300-fold, a feat that remains challenging with conventional non-dynamic liquid interface. Moreover, the SHM also doubles as a versatile concentrator-cum-detection platform for ultrasensitive colorimetric sensing of organic pollutants in real wastewater at >99 % accuracy, thereby allowing the on-site readout of water chemistry using naked eyes or smartphone for prompt intervention. By enabling the efficient and swift concentration of molecules in an energy-efficient manner, our unique design effectively addresses the drawbacks of traditional approaches and creates enormous opportunities for diverse analytical, environmental, and chemical applications. Agency for Science, Technology and Research (A*STAR) Ministry of Education (MOE) Nanyang Technological University Submitted/Accepted version H.K.L. thanks the funding supports from Singapore Ministry of Education (AcRF Tier 1 RS13/20 and RG4/21), A*STAR Singapore (AME YIRG A2084c0158), National University of Singapore Center of Hydrogen Innovation (CHI-P2022-05), and Nanyang Technological University start-up grants. The research was conducted as a part of NICES (NTU-IMRE Chemistry Lab for Eco Sustainability; REQ0275931), a joint research initiative between Nanyang Technological University (NTU) and Institute of Materials Research and Engineering (IMRE) from Agency for Science, Technology and Research (A*STAR). 2024-01-11T07:28:36Z 2024-01-11T07:28:36Z 2024 Journal Article Pereira, V., Ang, Z. Z., Chong, C., Li, H. & Lee, H. K. (2024). Spinnable hydrogel marbles: a dynamic miniature molecule concentrator for efficient water decontamination and colorimetric detection. Chemical Engineering Journal, 480, 148132-. https://dx.doi.org/10.1016/j.cej.2023.148132 1385-8947 https://hdl.handle.net/10356/173093 10.1016/j.cej.2023.148132 2-s2.0-85180551833 480 148132 en RS13/20 RG4/21 A2084c0158 NTU-SUG REQ0275931 Chemical Engineering Journal © 2023 Elsevier B.V. All rights reserved. This article may be downloaded for personal use only. Any other use requires prior permission of the copyright holder. The Version of Record is available online at http://doi.org/10.1016/j.cej.2023.148132. application/pdf |
| spellingShingle | Science::Chemistry Molecule Concentrator Water-Water Interface Pereira, Veronica Ang, Zhi Zhong Chong, Carice Li, Haitao Lee, Hiang Kwee Spinnable hydrogel marbles: a dynamic miniature molecule concentrator for efficient water decontamination and colorimetric detection |
| title | Spinnable hydrogel marbles: a dynamic miniature molecule concentrator for efficient water decontamination and colorimetric detection |
| title_full | Spinnable hydrogel marbles: a dynamic miniature molecule concentrator for efficient water decontamination and colorimetric detection |
| title_fullStr | Spinnable hydrogel marbles: a dynamic miniature molecule concentrator for efficient water decontamination and colorimetric detection |
| title_full_unstemmed | Spinnable hydrogel marbles: a dynamic miniature molecule concentrator for efficient water decontamination and colorimetric detection |
| title_short | Spinnable hydrogel marbles: a dynamic miniature molecule concentrator for efficient water decontamination and colorimetric detection |
| title_sort | spinnable hydrogel marbles a dynamic miniature molecule concentrator for efficient water decontamination and colorimetric detection |
| topic | Science::Chemistry Molecule Concentrator Water-Water Interface |
| url | https://hdl.handle.net/10356/173093 |
| work_keys_str_mv | AT pereiraveronica spinnablehydrogelmarblesadynamicminiaturemoleculeconcentratorforefficientwaterdecontaminationandcolorimetricdetection AT angzhizhong spinnablehydrogelmarblesadynamicminiaturemoleculeconcentratorforefficientwaterdecontaminationandcolorimetricdetection AT chongcarice spinnablehydrogelmarblesadynamicminiaturemoleculeconcentratorforefficientwaterdecontaminationandcolorimetricdetection AT lihaitao spinnablehydrogelmarblesadynamicminiaturemoleculeconcentratorforefficientwaterdecontaminationandcolorimetricdetection AT leehiangkwee spinnablehydrogelmarblesadynamicminiaturemoleculeconcentratorforefficientwaterdecontaminationandcolorimetricdetection |