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Xu J, Zhang X, Zhong J, Huang S, Wang S, Zhai H. Surface-active agent enhanced FRET effect Cu-doped NH 2-MIL-88(Fe) for highly sensitive detection of 3-nitro-L-tyrosine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 316:124315. [PMID: 38688213 DOI: 10.1016/j.saa.2024.124315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 04/11/2024] [Accepted: 04/18/2024] [Indexed: 05/02/2024]
Abstract
In this study, Cu-doped NH2-MIL-88(Fe) metal-organic frameworks (MOF) were synthesized via a one-step method. Characterization techniques such as XPS, XRD and FTIR confirmed the successful incorporation of Cu2+ into NH2-MIL-88(Fe), naming this MOF as NH2-MIL-88(Fe)@Cu2+. This MOF was employed to develop a highly sensitive fluorescence sensing platform for detecting 3-nitro-L-tyrosine(3-NT). The potential for fluorescence resonance energy transfer (FRET) was suggested by the spectral overlap between NH2-MIL-88(Fe)@Cu2+'s emission and 3-NT's UV absorption. To augment this effect, cationic surfactant hexadecyltrimethylammonium bromide (CTAB), which self-assembled into nanostructured microspheres above its critical micelle concentration, was utilized. The charged surface of these microspheres, formed by the self-assembly of CTAB, is bound to the MOF surface through electrostatic force and simultaneously attracts 3-NT. Adjusting the solution's pH strengthened the interaction between NH2-MIL-88(Fe)@Cu2+ and 3-NT, thereby enhancing their mutual FRET interaction. Experimental results indicated that CTAB's introduction markedly improved the FRET effects, potentially converting a weak FRET into a strong one and enhancing detection sensitivity and accuracy. Under optimal conditions, NH2-MIL-88(Fe)@Cu2+ detected 3-NT within 0-30 μM range, with a limit of detection (LOD, S/N = 3) of 41.1 nM. Finally, the applicability of the sensor is tested by calibrating measurements in fetal bovine serum samples, achieving good performance in terms of sensitivity, selectivity and reproducibility. This research provides a method for efficient and highly sensitive 3-NT detection and insights into the FRET effect between MOF and target molecules, likely advancing related fields and inspiring future fluorescence sensor designs.
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Affiliation(s)
- Jin Xu
- College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Xiaohui Zhang
- College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Jiapeng Zhong
- College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Siying Huang
- College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Shumei Wang
- Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Haiyun Zhai
- College of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou 510006, China.
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Ji X, Wang N, Wang J, Wang T, Huang X, Hao H. Non-destructive real-time monitoring and investigation of the self-assembly process using fluorescent probes. Chem Sci 2024; 15:3800-3830. [PMID: 38487216 PMCID: PMC10935763 DOI: 10.1039/d3sc06527h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 01/22/2024] [Indexed: 03/17/2024] Open
Abstract
Self-assembly has been considered as a strategy to construct superstructures with specific functions, which has been widely used in many different fields, such as bionics, catalysis, and pharmacology. A detailed and in-depth analysis of the self-assembly mechanism is beneficial for directionally and accurately regulating the self-assembly process of substances. Fluorescent probes exhibit unique advantages of sensitivity, non-destructiveness, and real-time self-assembly tracking, compared with traditional methods. In this work, the design principle of fluorescent probes with different functions and their applications for the detection of thermodynamic and kinetic parameters during the self-assembly process were systematically reviewed. Their efficiency, limitations and advantages are also discussed. Furthermore, the promising perspectives of fluorescent probes for investigating the self-assembly process are also discussed and suggested.
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Affiliation(s)
- Xiongtao Ji
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University Tianjin 300072 China
| | - Na Wang
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin 300072 China
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University Tianjin 300072 China +86-22-27374971 +86-22-27405754
| | - Jingkang Wang
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin 300072 China
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University Tianjin 300072 China +86-22-27374971 +86-22-27405754
| | - Ting Wang
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin 300072 China
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University Tianjin 300072 China +86-22-27374971 +86-22-27405754
| | - Xin Huang
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin 300072 China
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University Tianjin 300072 China +86-22-27374971 +86-22-27405754
| | - Hongxun Hao
- National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin 300072 China
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University Tianjin 300072 China +86-22-27374971 +86-22-27405754
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Cheng W, Li Q, Wang Y, Fang L, Cheng F. Formation and Phase Transformation of MgCO 3·3H 2O Whiskers in the Presence of Sodium Dodecyl Sulfate. ACS OMEGA 2023; 8:14621-14629. [PMID: 37125142 PMCID: PMC10134459 DOI: 10.1021/acsomega.3c00459] [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: 01/22/2023] [Accepted: 04/06/2023] [Indexed: 05/03/2023]
Abstract
Huge amounts of MgCl2·6H2O are produced annually as a byproduct or waste from KCl production in the Qinghai province of China. An ecological and economic way to solve this problem is transforming the abandoned MgCl2·6H2O to valuable MgCO3·3H2O whiskers. The formation and phase transformation of MgCO3·3H2O whiskers were studied in the crystallization process, in which MgCl2 and NH4HCO3 were precipitated in the presence of sodium dodecyl sulfate (SDS) at 50 °C. Results showed that porous spherical MgCO3·3H2O, MgCO3·3H2O whiskers, and flocculent rod-like 4MgCO3·Mg(OH)2·4H2O were formed with decreasing concentration of SDS as the crystallization proceeded. When the concentration of SDS was lower than the critical micellar concentration (6.5 mmol·L-1) at 60 min, SDS was beneficial for the growth in the [010] direction to form one-dimensional MgCO3·3H2O whiskers with a high aspect ratio, good uniformity, and a smooth surface (length, 60-70 μm; aspect ratio, 110-140).
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Subba N, Das N, Sen P. Tracking Wormlike Micelle Formation in Solution: Unique Insight through Fluorescence Correlation Spectroscopic Study. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:2486-2494. [PMID: 35164504 DOI: 10.1021/acs.langmuir.1c02936] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Although worm-like micelles were invented 35 years ago, its formation pathway remains unclear. Inspired by the fact that a single molecular level experiment could provide meaningful and additional information, especially in a heterogeneous subpopulation, herein, we present a single molecular level study on the formation of wormlike micelles by cetyltrimethylammonium bromide (CTAB) and sodium salicylate (NaSal) in water. Our results indicated a coexistence of normal spherical micelles along with a big wormlike micelle in its formation path. More interestingly, we have two unique insights into the formation mechanism, which are inaccessible in ensemble averaged experiments: (i) at extremely low concentrations of the surfactant, [CTAB]/[NaSal] ∼ 0.06, the wormlike micelle attains the highest size; and (ii) the relative concentration of wormlike micelles is highest when [CTAB]/[NaSal] ∼ 2.
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Affiliation(s)
- Navin Subba
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur - 208016, UP India
| | - Nilimesh Das
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur - 208016, UP India
| | - Pratik Sen
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur - 208016, UP India
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Ionic liquid-based catanionic vesicles: A de novo system to judiciously improve the solubility, stability and antimicrobial activity of curcumin. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117396] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Kumar H, Kaur G, Gupta K. Alterations induced in the micellization behavior of dioctyl sodium sulfosuccinate in the presence of imidazolium-based surface-active ionic liquids in aqueous medium. J DISPER SCI TECHNOL 2021. [DOI: 10.1080/01932691.2021.1950009] [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]
Affiliation(s)
- Harsh Kumar
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar, Punjab, India
| | - Gagandeep Kaur
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar, Punjab, India
| | - Kirti Gupta
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar, Punjab, India
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Holder SW, Grant SC, Mohammadigoushki H. Nuclear Magnetic Resonance Diffusometry of Linear and Branched Wormlike Micelles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:3585-3596. [PMID: 33730853 PMCID: PMC9288870 DOI: 10.1021/acs.langmuir.0c03486] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Diffusion studies using nuclear magnetic resonance (NMR) spectroscopy were conducted on two model surfactant solutions of cetyltrimethylammonium bromide/sodium salicylate (CTAB/NaSal) and cetylpyridinium chloride/sodium salicylate (CPCl/NaSal). By increasing the salt-to-surfactant concentration ratio, these systems display two peaks in the zero-shear viscosity and relaxation time, which are indicative of transitions from linear to branched micellar networks. The goal of this work is to assess the sensitivity of NMR diffusometry to different types of micellar microstructures and identify the mechanism(s) of surfactant self-diffusion in micellar solutions. At low salt-to-surfactant concentration ratios, for which wormlike micelles are linear, the surfactant self-diffusion is best described by a mean squared displacement, Z2, that varies as Z2 ∝ Tdiff0.5, where Tdiff is the diffusion time. As the salt concentration increases to establish branched micelles, Z2 ∝ Tdiff, indicating a Brownian-like self-diffusion of surfactant molecules in branched micelles. This result indicates that NMR diffusometry is capable of differentiating various types of micellar microstructures. In addition, the self-diffusion coefficient of the surfactant molecules in linear and branched micelles are determined, for the first time, by comparing the existing restricted diffusion models and are shown to be much slower than the diffusion of proton molecules in the bulk. Moreover, in linear and moderately branched wormlike micelles, the dominant mechanism of surfactant self-diffusion is through the curvilinear diffusion of the surfactant molecules along the contour length of the micelles, whereas in the branched micelles, before the second viscosity maxima, the surfactant self-diffusion could arise from a combination of micellar breakage, exchange between micelles and/or the bulk.
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Affiliation(s)
- Samuel W. Holder
- Department of Chemical & Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, FL, 32310, United States
- Center for Interdisciplinary Magnetic Resonance, National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, USA 32310
| | - Samuel C. Grant
- Department of Chemical & Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, FL, 32310, United States
- Center for Interdisciplinary Magnetic Resonance, National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, USA 32310
| | - Hadi Mohammadigoushki
- Department of Chemical & Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, FL, 32310, United States
- Center for Interdisciplinary Magnetic Resonance, National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL, USA 32310
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Bhattarai P, Niraula TP, Bhattarai A. Thermodynamic Properties of Cetyltrimethylammonium Bromide in Ethanol-Water Media With/without the Presence of the Divalent Salt. J Oleo Sci 2021; 70:363-374. [PMID: 33658467 DOI: 10.5650/jos.ess20207] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The physicochemical properties of cetyltrimethylammonium bromide (CTAB) in pure water and ethanol-water mixtures in the presence and absence of MnSO4.6H2O were studied by measuring the conductivity at room temperature. The concentration range of CTAB was ~1.00 × 10-5 M to ~1.00 × 10-2M and the concentration of MnSO4.6H2O was 0.001 M, 0.005 M, 0.01 M. With increasing ethanol content in the solvent composition, the critical micelle concentration (CMC) and the degree of micellar dissociation (α) of CTAB increased. With the help of CMC and α, the standard free energy of micellization (ΔG m ο ) was evaluated. With an increase in ethanol content, the negative values of ΔG m ο decreased. CTAB micellization was tested in the context of specific solvent parameters. The solvent conductivity ratio at CMC to limiting conductivity was employed as a solvophobic influence. The addition of salt (MnSO4.6H2O) decreases the CMC of CTAB due to the screening of the electrostatic repulsion of the head groups. Here, we report that micellization is strongly influenced by salt concentration.
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Affiliation(s)
- Puja Bhattarai
- Department of Chemistry, M. M. A. M. C., Tribhuvan University
| | | | - Ajaya Bhattarai
- Department of Chemistry, M. M. A. M. C., Tribhuvan University
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Kumar H, Katal A. Analysis of the micellar properties of surfactants dodecyl trimethylammonium bromide and dodecyl trimethylammonium chloride in aqueous ionic liquids solution. J DISPER SCI TECHNOL 2020. [DOI: 10.1080/01932691.2020.1842758] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Harsh Kumar
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar, India
| | - Arjuna Katal
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar, India
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10
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Pal A, Punia R. The Influence of an Organic Salt on Micellization Behavior of Tetradecyltrimethylammonium Bromide in Aqueous Solutions of Trisubstituted Ionic Liquid [Odmim][Cl]. J SURFACTANTS DETERG 2019. [DOI: 10.1002/jsde.12334] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Amalendu Pal
- Department of ChemistryKurukshetra University Kurukshetra 136119 India
| | - Renu Punia
- Department of ChemistryKurukshetra University Kurukshetra 136119 India
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Dai C, Li W, Cui Y, Sun Y, Wu W, Xu Z, Liu Y, Yang Z, Wu X. The effect of functional groups on the sphere-to-wormlike micellar transition in quaternary ammonium surfactant solutions. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.04.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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12
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Roy B, Karmakar S, Giri A, Tarafdar S. Pattern formation of drying lyotropic liquid crystalline droplet. RSC Adv 2016. [DOI: 10.1039/c6ra22579a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We present a study of pattern formation in drying sessile droplets of aqueous solutions of cetyltrimethylammonium bromide (CTAB)–water system using polarising optical microscopy (POM) and computer simulation.
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Affiliation(s)
- Biswajit Roy
- Condensed Matter Physics Research Centre
- Physics Department
- Jadavpur University
- Kolkata 700032
- India
| | - Sanat Karmakar
- Condensed Matter Physics Research Centre
- Physics Department
- Jadavpur University
- Kolkata 700032
- India
| | - Abhra Giri
- Condensed Matter Physics Research Centre
- Physics Department
- Jadavpur University
- Kolkata 700032
- India
| | - Sujata Tarafdar
- Condensed Matter Physics Research Centre
- Physics Department
- Jadavpur University
- Kolkata 700032
- India
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Chadha C, Singh G, Singh G, Kumar H, Kang TS. Modulating the mixed micellization of CTAB and an ionic liquid 1-hexadecyl-3-methylimidazollium bromide via varying physical states of ionic liquid. RSC Adv 2016. [DOI: 10.1039/c6ra05330k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The physical nature of [C16mim][Br] as monomers/micelles led to different IL–CTAB mixed self-assembled structures.
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Affiliation(s)
- Chanda Chadha
- Department of Chemistry
- Dr B. R. Ambedkar National Institute of Technology
- Jalandhar
- India
| | - Gurbir Singh
- Department of Chemistry
- UGC-centre for Advance Studies – II
- Guru Nanak Dev University
- Amritsar
- India
| | - Gurpreet Singh
- Department of Chemistry
- UGC-centre for Advance Studies – II
- Guru Nanak Dev University
- Amritsar
- India
| | - Harsh Kumar
- Department of Chemistry
- Dr B. R. Ambedkar National Institute of Technology
- Jalandhar
- India
| | - Tejwant Singh Kang
- Department of Chemistry
- UGC-centre for Advance Studies – II
- Guru Nanak Dev University
- Amritsar
- India
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