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Wang C, Ning Y, Wen X, Zhang J, Yue Y, Li J, Xie Y, Yang S, Lu X. Dual-Confinement and Surface-Ionization Induced Controllable Regulate Visible-Light-Activated Colorful Afterglow of Carbon Dots for Multifunctional Applications. SMALL METHODS 2024:e2400921. [PMID: 39049688 DOI: 10.1002/smtd.202400921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2024] [Revised: 07/17/2024] [Indexed: 07/27/2024]
Abstract
Low-energy visible-light-activated carbon dots (CDs)-based afterglow materials are difficult to realize due to the inherent aromatic carbon with high-energy absorption and the lack of effective regulation. Here, a new strategy for visible-light-activated CDs is proposed by combining dual-confinement and surface-ionization, which employs NaOH for additional confinement and surface ionization of CDs in a single boric acid (BA) matrix. The comparison experiments show that: i) shifting the excitation from UV-light to vis-light is realized by enhancing the low-energy surface states n→π* transition of the CDs by surface ionization of NaOH. ii) CDs are additionally protected by a more stable Na─O ionic bond after NaOH confinement, resulting in a brighter afterglow. iii) the energy gap (ΔEST) between the lowest singlet and triplet states is gradually shortened as increasing NaOH content, facilitating intersystem crossing, prolonging the lifetime of triplet excitons and efficiency. Further, vis-light-excited colorful afterglow powders are fabricated based on Förster Resonant Energy Transfer by combining the fluorescent dye 5-carboxytetramethylrhodamine. Finally, advanced white-light-activated time-resolved anti-counterfeiting and intelligent traffic flashing signs are realized. The work may shed new light on the design of low-energy-activated afterglow materials and broaden the application scenarios in the daily lives of human society.
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Affiliation(s)
- Changxing Wang
- School of Physics, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yayun Ning
- School of Physics, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Xiaoxiang Wen
- School of Physics, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Jinxia Zhang
- School of Physics, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yifan Yue
- School of Physics, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Jianing Li
- School of Physics, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yuechi Xie
- School of Physics, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Sen Yang
- School of Physics, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Xuegang Lu
- School of Physics, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
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Manoharan A, Jayan J, Rangarajan TM, Bose K, Benny F, Ipe RS, Kumar S, Kukreti N, Abdelgawad MA, Ghoneim MM, Kim H, Mathew B. "Click Chemistry": An Emerging Tool for Developing a New Class of Structural Motifs against Various Neurodegenerative Disorders. ACS OMEGA 2023; 8:44437-44457. [PMID: 38046293 PMCID: PMC10688180 DOI: 10.1021/acsomega.3c04960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 10/24/2023] [Accepted: 10/26/2023] [Indexed: 12/05/2023]
Abstract
Click chemistry is a set of easy, atom-economical reactions that are often utilized to combine two desired chemical entities. Click chemistry accelerates lead identification and optimization, reduces the complexity of chemical synthesis, and delivers extremely high yields without undesirable byproducts. The most well-known click chemistry reaction is the 1,3-dipolar cycloaddition of azides and alkynes to form 1,2,3-triazoles. The resulting 1,2,3-triazoles can serve as both bioisosteres and linkers, leading to an increase in their use in the field of drug discovery. The current Review focuses on the use of click chemistry to identify new molecules for treating neurodegenerative diseases and in other areas such as peptide targeting and the quantification of biomolecules.
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Affiliation(s)
- Amritha Manoharan
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
| | - Jayalakshmi Jayan
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
| | - T. M. Rangarajan
- Department
of Chemistry, Sri Venkateswara College, University of Delhi, New Delhi 110021, India
| | - Kuntal Bose
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
| | - Feba Benny
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
| | - Reshma Susan Ipe
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
| | - Sunil Kumar
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
| | - Neelima Kukreti
- School
of Pharmacy, Graphic Era Hill University, Dehradun, Uttarakhand 248007, India
| | - Mohamed A. Abdelgawad
- Department
of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 72341, Saudi Arabia
- Department
of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Mohammed M. Ghoneim
- Department
of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Ad Diriyah 13713, Saudi Arabia
| | - Hoon Kim
- Department
of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Bijo Mathew
- Department
of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa
Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, India
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