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Ang MCY, Dhar N, Khong DT, Lew TTS, Park M, Sarangapani S, Cui J, Dehadrai A, Singh GP, Chan-Park MB, Sarojam R, Strano M. Nanosensor Detection of Synthetic Auxins In Planta using Corona Phase Molecular Recognition. ACS Sens 2021; 6:3032-3046. [PMID: 34375072 DOI: 10.1021/acssensors.1c01022] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Synthetic auxins such as 1-naphthalene acetic acid (NAA) and 2,4-dichlorophenoxyacetic acid (2,4-D) have been extensively used in plant tissue cultures and as herbicides because they are chemically more stable and potent than most endogenous auxins. A tool for rapid in planta detection of these compounds will enhance our knowledge about hormone distribution and signaling and facilitate more efficient usage of synthetic auxins in agriculture. In this work, we show the development of real-time and nondestructive in planta NAA and 2,4-D nanosensors based on the concept of corona phase molecular recognition (CoPhMoRe), to replace the current state-of-the-art sensing methods that are destructive and laborious. By designing a library of cationic polymers wrapped around single-walled carbon nanotubes with general affinity for chemical moieties displayed on auxins and its derivatives, we developed selective sensors for these synthetic auxins, with a particularly large quenching response to NAA (46%) and a turn-on response to 2,4-D (51%). The NAA and 2,4-D nanosensors are demonstrated in planta across several plant species including spinach, Arabidopsis thaliana (A. thaliana), Brassica rapa subsp. chinensis (pak choi), and Oryza sativa (rice) grown in various media, including soil, hydroponic, and plant tissue culture media. After 5 h of 2,4-D supplementation to the hydroponic medium, 2,4-D is seen to accumulate in susceptible dicotyledon pak choi leaves, while no uptake is observed in tolerant monocotyledon rice leaves. As such, the 2,4-D nanosensor had demonstrated its capability for rapid testing of herbicide susceptibility and could help elucidate the mechanisms of 2,4-D transport and the basis for herbicide resistance in crops. The success of the CoPhMoRe technique for measuring these challenging plant hormones holds tremendous potential to advance the plant biology study.
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Affiliation(s)
- Mervin Chun-Yi Ang
- Disruptive & Sustainable Technologies for Agricultural Precision IRG, Singapore-MIT Alliance for Research and Technology, 1 CREATE Way, #03-06/07/08 Research Wing, Singapore 138602, Singapore
| | - Niha Dhar
- Temasek Life Sciences Laboratory Limited, 1 Research Link National University of Singapore, Singapore 117604, Singapore
| | - Duc Thinh Khong
- Disruptive & Sustainable Technologies for Agricultural Precision IRG, Singapore-MIT Alliance for Research and Technology, 1 CREATE Way, #03-06/07/08 Research Wing, Singapore 138602, Singapore
| | - Tedrick Thomas Salim Lew
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore 138634, Singapore
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore
| | - Minkyung Park
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Sreelatha Sarangapani
- Temasek Life Sciences Laboratory Limited, 1 Research Link National University of Singapore, Singapore 117604, Singapore
| | - Jianqiao Cui
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Aniket Dehadrai
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Gajendra Pratap Singh
- Disruptive & Sustainable Technologies for Agricultural Precision IRG, Singapore-MIT Alliance for Research and Technology, 1 CREATE Way, #03-06/07/08 Research Wing, Singapore 138602, Singapore
| | - Mary B. Chan-Park
- Disruptive & Sustainable Technologies for Agricultural Precision IRG, Singapore-MIT Alliance for Research and Technology, 1 CREATE Way, #03-06/07/08 Research Wing, Singapore 138602, Singapore
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Rajani Sarojam
- Temasek Life Sciences Laboratory Limited, 1 Research Link National University of Singapore, Singapore 117604, Singapore
| | - Michael Strano
- Disruptive & Sustainable Technologies for Agricultural Precision IRG, Singapore-MIT Alliance for Research and Technology, 1 CREATE Way, #03-06/07/08 Research Wing, Singapore 138602, Singapore
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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Dispersion of Carbon Nanotubes with "Green" Detergents. Molecules 2021; 26:molecules26102908. [PMID: 34068851 PMCID: PMC8153609 DOI: 10.3390/molecules26102908] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/06/2021] [Accepted: 05/12/2021] [Indexed: 11/29/2022] Open
Abstract
Solubilization of carbon nanotubes (CNTs) is a fundamental technique for the use of CNTs and their conjugates as nanodevices and nanobiodevices. In this work, we demonstrate the preparation of CNT suspensions with “green” detergents made from coconuts and bamboo as fundamental research in CNT nanotechnology. Single-walled CNTs (SWNTs) with a few carboxylic acid groups (3–5%) and pristine multi-walled CNTs (MWNTs) were mixed in each detergent solution and sonicated with a bath-type sonicator. The prepared suspensions were characterized using absorbance spectroscopy, scanning electron microscopy, and Raman spectroscopy. Among the eight combinations of CNTs and detergents (two types of CNTs and four detergents, including sodium dodecyl sulfate (SDS) as the standard), SWNTs/MWNTs were well dispersed in all combinations except the combination of the MWNTs and the bamboo detergent. The stability of the suspensions prepared with coconut detergents was better than that prepared with SDS. Because the efficiency of the bamboo detergents against the MWNTs differed significantly from that against the SWNTs, the natural detergent might be useful for separating CNTs. Our results revealed that the use of the “green” detergents had the advantage of dispersing CNTs as well as SDS.
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Devaraju S, Lee T, Mohanty AK, Hong YK, Yoon KH, Lee YS, Han JH, Paik HJ. Fabrication of durable and flexible single-walled carbon nanotube transparent conductive films. RSC Adv 2017. [DOI: 10.1039/c7ra01180f] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Highly flexible, durable, and transparent conducting films are fabricated from the de-bundled SWCNTs in aqueous solutions of SPES with high conductivity (125 Ω sq−1) and good transmittance (87%) without adopting any binder or post treatment techniques.
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Affiliation(s)
- Subramani Devaraju
- Department of Polymer Science and Engineering
- Pusan National University
- Busan 609-735
- Korea
| | - Taeheon Lee
- Department of Polymer Science and Engineering
- Pusan National University
- Busan 609-735
- Korea
| | - Aruna Kumar Mohanty
- Department of Polymer Science and Engineering
- Pusan National University
- Busan 609-735
- Korea
| | - Young Kun Hong
- Department of Polymer Science and Engineering
- Pusan National University
- Busan 609-735
- Korea
| | - Kwan Han Yoon
- Department of Polymer Science and Engineering
- Kumoh National Institute of Technology
- Gumi
- Korea
| | - Young Sil Lee
- Industry-Academic Cooperation Foundation
- Kumoh National Institute of Technology
- Gumi
- Korea
| | - Jong Hun Han
- School of Chemical Engineering
- Chonnam National University
- Gwangju 500-757
- Korea
| | - Hyun-jong Paik
- Department of Polymer Science and Engineering
- Pusan National University
- Busan 609-735
- Korea
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7
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Deng Z, Wang L, Yu H, Zhai X, Chen Y. Non-covalent dispersion of multi-walled carbon nanotubes in aqueous solution with hyperbranched polyethylene-g-poly(methacrylic acid). RSC Adv 2016. [DOI: 10.1039/c5ra27379j] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Amphiphilic hyperbranched polyethylene-g-poly(methacrylic acid) was synthesized and found to be an efficient dispersant for dispersing MWCNTs in water.
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Affiliation(s)
- Zheng Deng
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Li Wang
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Haojie Yu
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Xiaoting Zhai
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Yongsheng Chen
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
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9
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Yu Z, Xu K, Fu Z, Liu X, Zhang Y, Peng J, Chen M. RAFT synthesis of polyethylene glycol (PEG) and amino-functionalized amphiphilic copolymers for dispersing carbon nanofibers. RSC Adv 2015. [DOI: 10.1039/c4ra15925j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Quaternary copolymer dispersants containing polyethylene glycol (PEG) and amino side chains were synthesized via RAFT and were used to non-covalently functionalize CNFs.
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Affiliation(s)
- Zhiwei Yu
- Key Laboratory of Polymer Material for Electronics
- Guangzhou Institute of Chemistry
- Chinese Academy of Sciences
- Guangzhou 510650
- China
| | - Kai Xu
- Key Laboratory of Polymer Material for Electronics
- Guangzhou Institute of Chemistry
- Chinese Academy of Sciences
- Guangzhou 510650
- China
| | - Zien Fu
- Key Laboratory of Polymer Material for Electronics
- Guangzhou Institute of Chemistry
- Chinese Academy of Sciences
- Guangzhou 510650
- China
| | - Xin Liu
- Key Laboratory of Polymer Material for Electronics
- Guangzhou Institute of Chemistry
- Chinese Academy of Sciences
- Guangzhou 510650
- China
| | - Youxiong Zhang
- Key Laboratory of Polymer Material for Electronics
- Guangzhou Institute of Chemistry
- Chinese Academy of Sciences
- Guangzhou 510650
- China
| | - Jun Peng
- Key Laboratory of Polymer Material for Electronics
- Guangzhou Institute of Chemistry
- Chinese Academy of Sciences
- Guangzhou 510650
- China
| | - Mingcai Chen
- Key Laboratory of Polymer Material for Electronics
- Guangzhou Institute of Chemistry
- Chinese Academy of Sciences
- Guangzhou 510650
- China
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10
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Zhang Y, Wang Y, Yu J, Chen L, Zhu J, Hu Z. Polybenzimidazole assisted fabrication of multiwalled carbon nanotube buckypapers and their silver nanoparticle hybrids. RSC Adv 2014. [DOI: 10.1039/c4ra06445c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Multiwalled carbon nanotube buckypapers and their hybrids with Ag nanoparticles have been fabricated with the assistance of polybenzimidazole.
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Affiliation(s)
- Yanli Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- Donghua University
- Shanghai, P. R. China
| | - Yan Wang
- College of Material Science and Engineering
- Donghua University
- Shanghai, P. R. China
| | - Junrong Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- Donghua University
- Shanghai, P. R. China
| | - Lei Chen
- College of Material Science and Engineering
- Donghua University
- Shanghai, P. R. China
| | - Jing Zhu
- College of Material Science and Engineering
- Donghua University
- Shanghai, P. R. China
| | - Zuming Hu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- Donghua University
- Shanghai, P. R. China
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11
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Panczyk T, Wolski P, Jagusiak A, Drach M. Molecular dynamics study of Congo red interaction with carbon nanotubes. RSC Adv 2014. [DOI: 10.1039/c4ra06806h] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Molecular dynamics simulations prove that Congo red adsorption on carbon nanotubes is very strong and by varying pH filling/unfilling of inner cavities of the nanotubes can be accomplished.
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Affiliation(s)
- Tomasz Panczyk
- Institute of Catalysis and Surface Chemistry
- Polish Academy of Sciences
- 30239 Cracow, Poland
| | - Pawel Wolski
- Institute of Catalysis and Surface Chemistry
- Polish Academy of Sciences
- 30239 Cracow, Poland
| | - Anna Jagusiak
- Chair of Medical Biochemistry
- Jagiellonian University Medical College
- 31034 Cracow, Poland
| | - Mateusz Drach
- Department of Chemistry
- Maria Curie-Sklodowska University
- 20031 Lublin, Poland
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