1
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Gong X, Liu J, Zhang C, Cao M, Min Y, Yuan C, Hu X, Xu J, Liu H. Protonated amine and pyrene co-functionalized sodium alginate templated on reduced graphene oxide for highly efficient removal of formaldehyde and acid pollutants. Int J Biol Macromol 2024; 274:133377. [PMID: 38925180 DOI: 10.1016/j.ijbiomac.2024.133377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 05/28/2024] [Accepted: 06/21/2024] [Indexed: 06/28/2024]
Abstract
Indoor formaldehyde pollution can cause inestimable harm to human health and even cancers, thus studies on the removal of formaldehyde attract extensive attentions. In this paper, an environmentally friendly and low-cost biomass material, sodium alginate (SA) was utilized to prepare pyrene functionalized amido-amine-alginic acid (AmAA-Py) by acidification and two-step amidation, which is subsequently self-assembled on reduced graphene oxide (rGO) by π-π stacking interaction, and the final composites were acidified to afford a highly porous composite material for chemical removal of formaldehyde. The formaldehyde chemical removal performance of composite is evaluated at different conditions and find that 1.0 g of acidified alginate derivatives and graphene composites (HCl·AmAA-Py-rGO) can adsorb 69.2 mg of HCHO. Simultaneously, amino groups in amido-amine derivative of acidified sodium alginate (AmAA) can react with acidic pollutants such as H2S and HCl via forming ionic bonding without generating any other by-products, which enables efficient and environment-friendly removal of acidic pollutants. The subtle design of the highly porous composite material utilizing low-cost SA and rGO with large specific surface area opens up a new methodology for fabricating highly porous materials for efficient removal of formaldehyde and other indoor hazardous pollutants.
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Affiliation(s)
- Xiaole Gong
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University 308 Ningxia Road, Qingdao 266071, China
| | - Jingquan Liu
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University 308 Ningxia Road, Qingdao 266071, China.
| | - Changbin Zhang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Mengyu Cao
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University 308 Ningxia Road, Qingdao 266071, China
| | - Yuru Min
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University 308 Ningxia Road, Qingdao 266071, China
| | - Chenyao Yuan
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University 308 Ningxia Road, Qingdao 266071, China
| | - Xiaoxia Hu
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University 308 Ningxia Road, Qingdao 266071, China
| | - Jiangtao Xu
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University 308 Ningxia Road, Qingdao 266071, China
| | - Honglei Liu
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, Qingdao University 308 Ningxia Road, Qingdao 266071, China
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2
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Lei H, Han H, Wang G, Mukherjee S, Bian H, Liu J, Zhao C, Fang Y. Self-Assembly of Amphiphilic BODIPY Derivatives on Micropatterned Ionic Liquid Surfaces for Fluorescent Films with Excellent Stability and Sensing Performance. ACS APPLIED MATERIALS & INTERFACES 2022; 14:13962-13969. [PMID: 35275635 DOI: 10.1021/acsami.2c01417] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Fluorescent films have been widely recognized as one of the most powerful tools for trace analyte detection. However, their use has been limited due to the poor photochemical stability of fluorophores at a gas-solid interface and inefficient film mass transfer. Herein, novel fluorescent films were developed through self-assembly of amphiphilic BODIPY derivatives on micropatterned ionic liquid surfaces. Unlike solid-state films, the obtained monolayer films exhibit excellent photochemical stability, similar to that of a solution. Moreover, the interfacial assembly of amphiphilic fluorophores can avoid gas diffusion inside the microdroplets, significantly improving the sensing performance. The 1/1-butyl-3-methylimidazolium tetrafluoroborate ([BMIM]BF4) monolayer exhibits high sensitivity, high selectivity, and a fast response to detect diethylchlorophosphate (DCP) vapor. The detection limit was 226 ppt, with a response time to DCP of 2.0 s. Importantly, the 1/[BMIM]BF4 monolayer can be reused for at least 50 cycles with no obvious signal fading. This study is expected to benefit the development of new strategies for designing fluorescence sensing films and lay a solid foundation for the fabrication of multifunctional sensing devices with excellent photochemical stability and sensing performance.
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Affiliation(s)
- Hairui Lei
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Huimin Han
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Gang Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Somnath Mukherjee
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Hongtao Bian
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Jing Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
| | - Chuan Zhao
- School of Chemistry, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, People's Republic of China
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3
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Pyrene-1-carboxylic acid polyethylene glycol esters: synthesis and photophysical studies. Russ Chem Bull 2021. [DOI: 10.1007/s11172-021-3201-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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4
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Fang W, Liu K, Wang G, Liang Y, Huang R, Liu T, Ding L, Peng J, Peng H, Fang Y. Dual-Phase Emission AIEgen with ICT Properties for VOC Chromic Sensing. Anal Chem 2021; 93:8501-8507. [DOI: 10.1021/acs.analchem.1c00980] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Wan Fang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Ke Liu
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Gang Wang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Yuzhe Liang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Rongrong Huang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Taihong Liu
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Liping Ding
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Junxia Peng
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Haonan Peng
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
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5
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Wu Y, Hua C, Liu Z, Yang J, Huang R, Li M, Liu K, Miao R, Fang Y. High-Performance Sensing of Formic Acid Vapor Enabled by a Newly Developed Nanofilm-Based Fluorescent Sensor. Anal Chem 2021; 93:7094-7101. [PMID: 33905230 DOI: 10.1021/acs.analchem.1c00576] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Although it is widely used in industry and food products, formic acid can be dangerous owing to its corrosive properties. Accurate determination of formic acid would not only benefit its qualified uses but also be an effective way to avoid corrosion or injury from inhalation, swallowing, or touching. Herein, we present a nanofilm-based fluorescent sensor for formic acid vapor detection with a wide response range, fast response speed, and high sensitivity and selectivity. The nanofilm was synthesized at a humid air/dimethyl sulfoxide (DMSO) interface through dynamic covalent condensation between two typically designed building blocks, de-tert-butyl calix[4]arene-tetrahydrazide (CATH) and 4,4',4″,4‴-(ethene-1,1,2,2-tetrayl)tetra-benzaldehyde (ETBA). The as-prepared nanofilm is uniform, flexible, fluorescent, and photochemically stable. The thickness and fluorescence intensity of the nanofilm can be facilely adjusted by varying the concentration of the building blocks and the sensing performance of the nanofilm can be optimized accordingly. Based on the nanofilm, a fluorescent sensor with a wide response range (4.4 ppt-4400 ppm) for real-time and online detection of formic acid vapor was built. With the sensor, a trace amount (0.01%) of formic acid in petroleum ether (60-90 °C) can be detected within 3 s. Besides, fluorescence quenching of the nanofilm by formic acid vapor can be visualized. It is believed that the sensor based on the nanofilm would find real-life applications in corrosion and injury prevention from formic acid.
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Affiliation(s)
- Ying Wu
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China
| | - Chunxia Hua
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Zhongshan Liu
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Jinglun Yang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China
| | - Rongrong Huang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Min Li
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Kaiqiang Liu
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Rong Miao
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Materials Science and Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China.,Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
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6
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Li M, Liu K, Wang L, Liu J, Miao R, Fang Y. Development of a Column-Shaped Fluorometric Sensor Array and Its Application in Visual Discrimination of Alcohols from Vapor Phase. Anal Chem 2019; 92:1068-1073. [PMID: 31820635 DOI: 10.1021/acs.analchem.9b04080] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Portable, miniaturized, and inexpensive detectors are in high demand for detecting and discriminating volatile organic compounds (VOCs). Sensor array design and exploitation are two key issues for new detector development. In contrast to the most reported plane-shaped sensor array for gaseous analyte sensing, here we report a column-shaped fluorometric sensor array by using fluorophore-loaded silica particles (∼40 μm) filled capillary. In the design, the capillary serves as test chamber and facilitates visualization. The orifices of the capillary were used as inlet and outlet for gaseous analyte. Sensing modules are installed in series, which lays foundation for their even and effective contact with the gaseous analyte. Meanwhile, further capsulation could be avoided. Silica particles were chosen as carries due to their preferred adsorption behavior to VOCs. By choosing four typical fluorophores (PBI-CB, Py-CB-Ph, Py-At, and NA-Ch) as sensing units, a 4-element fluorometric sensor array was achieved. Fluorescence of the array varied when different alcohol vapors were pumped in. The six tested alcohols could not only be distinguished as primary, secondary, or tertiary, but also be identified individually. The array had good reproducibility in visualization of the six alcohols. In addition, the orders of the fluorophores can be changed as desired. It is believed that the proofed concept provides not only a totally new design of sensor array but also contributes a new strategy for the discrimination of the alcohols as examined.
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Affiliation(s)
- Min Li
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi' an 710062 , P. R. China
| | - Ke Liu
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi' an 710062 , P. R. China
| | - Li Wang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi' an 710062 , P. R. China
| | - Jianfei Liu
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi' an 710062 , P. R. China
| | - Rong Miao
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi' an 710062 , P. R. China
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi' an 710062 , P. R. China
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7
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Chang X, Zhou Z, Shang C, Wang G, Wang Z, Qi Y, Li ZY, Wang H, Cao L, Li X, Fang Y, Stang PJ. Coordination-Driven Self-Assembled Metallacycles Incorporating Pyrene: Fluorescence Mutability, Tunability, and Aromatic Amine Sensing. J Am Chem Soc 2019; 141:1757-1765. [PMID: 30608681 DOI: 10.1021/jacs.8b12749] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Constructing polycyclic aromatics-based, highly emissive fluorophores with good solubility and tunable aggregated structures and properties is of great importance for film fabrication, solution processing, and relevant functionality studies. Herein, we describe a general strategy to endow conventional organic fluorophores with enhanced solubility and modulated fluorescent properties via their incorporation into coordination-driven self-assembled metallacycles. A widely used fluorophore, pyrene, was decorated with two pyridyl groups to yield functionalized pyrene 4. Mixing 4 with three aromatic dicarboxylates with different lengths and a 90° Pt(II) metal acceptor in a 2:2:4 stoichiometric ratio resulted in the formation of three metallacycles, 1, 2, and 3. The metallacycles display good solubility in polar organic solvents, highly aggregation-dependent fluorescence, and size-dependent emissions at higher concentrations. Moreover, metallacycle 2-based, silica-gel-supported film as fabricated not only is more emissive than the ligand 4-based one but also displays much improved sensing properties for amines in the vapor state, as demonstrated by significantly increased response speed and decreased recovery time. The enhanced solubility, unique fluorescence behavior, and multi-factor modulation character show that coordination-driven self-assembly can be utilized for the development of new fluorophores through simple modification of conventional fluorophores. The fluorophores synthesized this way possess not only complex topological structures but also good modularity and tunability in fluorescence behavior, which are important for grafting multi-stage energy-transfer systems necessary for the development of high-performance sensing materials.
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Affiliation(s)
- Xingmao Chang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Materials Science and Engineering and School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an 710119 , P. R. China.,Department of Chemistry , University of Utah , 315 South 1400 East, Room 2020 , Salt Lake City , Utah 84112 , United States
| | - Zhixuan Zhou
- Department of Chemistry , University of Utah , 315 South 1400 East, Room 2020 , Salt Lake City , Utah 84112 , United States
| | - Congdi Shang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Materials Science and Engineering and School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an 710119 , P. R. China
| | - Gang Wang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Materials Science and Engineering and School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an 710119 , P. R. China
| | - Zhaolong Wang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Materials Science and Engineering and School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an 710119 , P. R. China
| | - Yanyu Qi
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Materials Science and Engineering and School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an 710119 , P. R. China
| | - Zhong-Yu Li
- Department of Chemistry , University of Utah , 315 South 1400 East, Room 2020 , Salt Lake City , Utah 84112 , United States
| | - Heng Wang
- Department of Chemistry , University of South Florida , 4202 East Fowler Avenue , Tampa , Florida 33620 , United States
| | - Liping Cao
- Department of Chemistry , University of Utah , 315 South 1400 East, Room 2020 , Salt Lake City , Utah 84112 , United States
| | - Xiaopeng Li
- Department of Chemistry , University of South Florida , 4202 East Fowler Avenue , Tampa , Florida 33620 , United States
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), School of Materials Science and Engineering and School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an 710119 , P. R. China
| | - Peter J Stang
- Department of Chemistry , University of Utah , 315 South 1400 East, Room 2020 , Salt Lake City , Utah 84112 , United States
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8
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Wani MA, Pandey MD, Pandey R, Maurya SK, Goswami D. A Dual-Signaling Ferrocene-Pyrene Dyad: Triple-Mode Recognition of the Cu(II) Ions in Aqueous Medium. J Fluoresc 2017; 27:2279-2286. [PMID: 28840438 DOI: 10.1007/s10895-017-2169-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Accepted: 08/10/2017] [Indexed: 11/29/2022]
Abstract
We report a structure of ferrocene-pyrene conjugate (1) comprising electro and photo-active dual-signaling units. In particular, 1 upon interaction with Cu(II), displays selectively one-photon fluorescence quenching, but it shows two-photon absorption (TPA) cross-section 1230 GM (at 780 nm). Further, 1 displayed two irreversible oxidative waves at 0.39 V and 0.80 V (vs Ag/AgCl), in the electrochemical analysis which upon addition of Cu2+, led to the negative potential shift in both the oxidative waves to appear at 0.25 V and 0.68 V. The triple mode changes in presence of Cu(II) suggesting the possible application of 1 for the detection of Cu(II) in aqueous media. Graphical Abstract.
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Affiliation(s)
- Manzoor Ahmad Wani
- Department of Chemistry, Dr. H. S. Gour Central University, Sagar, 470003, India
| | - Mrituanjay D Pandey
- Department of Chemistry, Dr. H. S. Gour Central University, Sagar, 470003, India.
| | - Rampal Pandey
- Department of Chemistry, Dr. H. S. Gour Central University, Sagar, 470003, India.
| | - Sandeep Kumar Maurya
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, 208016, India
| | - Debabrata Goswami
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, 208016, India.
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9
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Wang G, Chang X, Peng J, Liu K, Zhao K, Yu C, Fang Y. Towards a new FRET system via combination of pyrene and perylene bisimide: synthesis, self-assembly and fluorescence behavior. Phys Chem Chem Phys 2015; 17:5441-9. [PMID: 25615443 DOI: 10.1039/c4cp04860a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A new fluorescent derivative of cholesterol, N,N'-(N-(2-(3β-cholest-5-en-3yl-formamido)ethyl) pyrene-1-sulfonamido)ethyl perylene-3,4:9,10-tetracarboxylic acid bisimide (CPPBI), was designed and synthesized. In the design, pyrene (Py) and perylene bisimide (PBI) were specially chosen as the energy donor and the acceptor, respectively. Fluorescence studies revealed that (1) CPPBI shows a strong tendency to form supra-molecular assemblies, (2) the assemblies possess a high efficiency of fluorescence resonance energy transfer (FRET) via intermolecular interactions, and (3) the profile and position of its fluorescence emission are highly dependent upon the nature of its medium, but the medium shows little effect on the efficiency of the energy transfer, suggesting that the chromophores including both Py and PBI units enjoy some rotational and/or translational mobility in the aggregated state of the compound. Temperature- and concentration-dependent (1)H NMR spectroscopy studies revealed that both hydrogen-bonding and π-π stacking play a great role in stabilizing the assemblies of the compound, and confirmed the existence of π-π stacking between the Py moieties and between the PBI residues of the compound, of which the donor and the acceptor may have arranged in an appropriate orientation and at a suitable distance which are the key factors to determine the FRET efficiency. Moreover, the CPPBI-based film possesses unusual photochemical stability, and its emission is sensitive to the presence of some organic vapors, in particular aniline.
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Affiliation(s)
- Gang Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China.
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10
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Chang X, Yu C, Wang G, Fan J, Zhang J, Qi Y, Liu K, Fang Y. Constitutional Dynamic Chemistry-based New Concept of Molecular Beacons for High Efficient Development of Fluorescent Probes. J Phys Chem B 2015; 119:6721-9. [PMID: 25985384 DOI: 10.1021/acs.jpcb.5b02664] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Inspired by the concept of constitutional dynamic chemistry, we propose a new and well-adaptable strategy for developing molecular beacon (MB)-like fluorescent probes. To demonstrate the strategy, we synthesized and used an amino group containing pyrenyl derivative of cholesterol (CP) for the construction of new fluorescent probes with EDTA and sulfuric acid. The probes as created were successfully used for n-hexane purity checking and Ba(2+)and Pb(2+)sensing, respectively.
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Affiliation(s)
- Xingmao Chang
- †Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), ‡School of Materials Science and Engineering, and §School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China
| | - Chunmeng Yu
- †Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), ‡School of Materials Science and Engineering, and §School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China
| | - Gang Wang
- †Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), ‡School of Materials Science and Engineering, and §School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China
| | - Jiayun Fan
- †Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), ‡School of Materials Science and Engineering, and §School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China
| | - Jianyun Zhang
- †Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), ‡School of Materials Science and Engineering, and §School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China
| | - Yanyu Qi
- †Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), ‡School of Materials Science and Engineering, and §School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China
| | - Kaiqiang Liu
- †Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), ‡School of Materials Science and Engineering, and §School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China
| | - Yu Fang
- †Key Laboratory of Applied Surface and Colloid Chemistry (Ministry of Education), ‡School of Materials Science and Engineering, and §School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, P. R. China
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