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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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Nigmatullin R, Johns MA, Muñoz-García JC, Gabrielli V, Schmitt J, Angulo J, Khimyak YZ, Scott JL, Edler KJ, Eichhorn SJ. Hydrophobization of Cellulose Nanocrystals for Aqueous Colloidal Suspensions and Gels. Biomacromolecules 2020; 21:1812-1823. [PMID: 31984728 DOI: 10.1021/acs.biomac.9b01721] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Surface hydrophobization of cellulose nanomaterials has been used in the development of nanofiller-reinforced polymer composites and formulations based on Pickering emulsions. Despite the well-known effect of hydrophobic domains on self-assembly or association of water-soluble polymer amphiphiles, very few studies have addressed the behavior of hydrophobized cellulose nanomaterials in aqueous media. In this study, we investigate the properties of hydrophobized cellulose nanocrystals (CNCs) and their self-assembly and amphiphilic properties in suspensions and gels. CNCs of different hydrophobicity were synthesized from sulfated CNCs by coupling primary alkylamines of different alkyl chain lengths (6, 8, and 12 carbon atoms). The synthetic route permitted the retention of surface charge, ensuring good colloidal stability of hydrophobized CNCs in aqueous suspensions. We compare surface properties (surface charge, ζ potential), hydrophobicity (water contact angle, microenvironment probing using pyrene fluorescence emission), and surface activity (tensiometry) of different hydrophobized CNCs and hydrophilic CNCs. Association of hydrophobized CNCs driven by hydrophobic effects is confirmed by X-ray scattering (SAXS) and autofluorescent spectroscopy experiments. As a result of CNC association, CNC suspensions/gels can be produced with a wide range of rheological properties depending on the hydrophobic/hydrophilic balance. In particular, sol-gel transitions for hydrophobized CNCs occur at lower concentrations than hydrophilic CNCs, and more robust gels are formed by hydrophobized CNCs. Our work illustrates that amphiphilic CNCs can complement associative polymers as modifiers of rheological properties of water-based systems.
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Affiliation(s)
- Rinat Nigmatullin
- Department of Aerospace Engineering, Bristol Composites Institute (ACCIS), University of Bristol, Bristol BS8 1TR, United Kingdom
| | - Marcus A Johns
- Department of Aerospace Engineering, Bristol Composites Institute (ACCIS), University of Bristol, Bristol BS8 1TR, United Kingdom
| | - Juan C Muñoz-García
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, United Kingdom
| | - Valeria Gabrielli
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, United Kingdom
| | - Julien Schmitt
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom.,LSFC-Laboratoire de Synthèse et Fonctionnalisation des Céramiques UMR 3080 CNRS/Saint-Gobain CREE, Saint-Gobain Research Provence, 550 Avenue Alphonse Jauffret, Cavaillon 84300, France
| | - Jesús Angulo
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, United Kingdom
| | - Yaroslav Z Khimyak
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, United Kingdom
| | - Janet L Scott
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
| | - Karen J Edler
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
| | - Stephen J Eichhorn
- Department of Aerospace Engineering, Bristol Composites Institute (ACCIS), University of Bristol, Bristol BS8 1TR, United Kingdom
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Descalzo AB, Ashokkumar P, Shen Z, Rurack K. On the Aggregation Behaviour and Spectroscopic Properties of Alkylated and Annelated Boron‐Dipyrromethene (BODIPY) Dyes in Aqueous Solution. CHEMPHOTOCHEM 2019. [DOI: 10.1002/cptc.201900235] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ana B. Descalzo
- Chemical and Optical Sensing DivisionBundesanstalt für Materialforschung und -prüfung (BAM) Richard-Willstätter-Straße 11 12489 Berlin Germany
- Present address: Dpmt. Organic Chemistry, Faculty of ChemistryComplutense University of Madrid (UCM) Av. Complutense, s/n 28040 Madrid Spain
| | - Pichandi Ashokkumar
- Chemical and Optical Sensing DivisionBundesanstalt für Materialforschung und -prüfung (BAM) Richard-Willstätter-Straße 11 12489 Berlin Germany
- Present address: Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS Faculté de PharmacieUniversité de Strasbourg Strasbourg CS 60024 France
| | - Zhen Shen
- State Key Laboratory of Coordination Chemistry Nanjing National Laboratory of Microstructures and School of Chemistry and Chemical EngineeringNanjing University Nanjing 210046 China
| | - Knut Rurack
- Chemical and Optical Sensing DivisionBundesanstalt für Materialforschung und -prüfung (BAM) Richard-Willstätter-Straße 11 12489 Berlin Germany
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4
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Zhou M, Bu J, Ma Y, Zou J, Fu H, Yang F. Synthesis of New Sulfobetaine Gemini Surfactants with Hydroxyls and Their Effects on Surface-Active Properties. J SURFACTANTS DETERG 2018. [DOI: 10.1002/jsde.12201] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Ming Zhou
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, School of Material Science and Engineering; Southwest Petroleum University; No. 8 Xindu Avenue, Xindu District, Chengdu Sichuan 610500 People's Republic of China
- School of Material Science and Engineering; Southwest Petroleum University; No. 8 Xindu Avenue, Xindu District, Chengdu Sichuan 610500 People's Republic of China
| | - Juncheng Bu
- School of Material Science and Engineering; Southwest Petroleum University; No. 8 Xindu Avenue, Xindu District, Chengdu Sichuan 610500 People's Republic of China
| | - Yuan Ma
- School of Material Science and Engineering; Southwest Petroleum University; No. 8 Xindu Avenue, Xindu District, Chengdu Sichuan 610500 People's Republic of China
| | - Jiaxi Zou
- School of Material Science and Engineering; Southwest Petroleum University; No. 8 Xindu Avenue, Xindu District, Chengdu Sichuan 610500 People's Republic of China
| | - Hong Fu
- School of Material Science and Engineering; Southwest Petroleum University; No. 8 Xindu Avenue, Xindu District, Chengdu Sichuan 610500 People's Republic of China
| | - Farong Yang
- School of Material Science and Engineering; Southwest Petroleum University; No. 8 Xindu Avenue, Xindu District, Chengdu Sichuan 610500 People's Republic of China
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Jiang H, Gao Y, Yang Q, Khoso SA, Liu G, Xu L, Hu Y. Adsorption behaviors and mechanisms of dodecyltrimethyl ammonium chloride and cetyltrimethyl ammonium chloride on illite flotation. POWDER TECHNOL 2018. [DOI: 10.1016/j.powtec.2018.03.021] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Bisso PW, Tai M, Katepalli H, Bertrand N, Blankschtein D, Langer R. Molecular Rotors for Universal Quantitation of Nanoscale Hydrophobic Interfaces in Microplate Format. NANO LETTERS 2018; 18:618-628. [PMID: 29244511 DOI: 10.1021/acs.nanolett.7b04877] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Hydrophobic self-assembly pairs diverse chemical precursors and simple formulation processes to access a vast array of functional colloids. Exploration of this design space, however, is stymied by lack of broadly general, high-throughput colloid characterization tools. Here, we show that a narrow structural subset of fluorescent, zwitterionic molecular rotors, dialkylaminostilbazolium sulfonates [DASS] with intermediate-length alkyl tails, fills this major analytical void by quantitatively sensing hydrophobic interfaces in microplate format. DASS dyes supersede existing interfacial probes by avoiding off-target fluorogenic interactions and dye aggregation while preserving hydrophobic partitioning strength. To illustrate the generality of this approach, we demonstrate (i) a microplate-based technique for measuring mass concentration of small (20-200 nm), dilute (submicrogram sensitivity) drug delivery nanoparticles; (ii) elimination of particle size, surfactant chemistry, and throughput constraints on quantifying the complex surfactant/metal oxide adsorption isotherms critical for environmental remediation and enhanced oil recovery; and (iii) more reliable self-assembly onset quantitation for chemically and structurally distinct amphiphiles. These methods could streamline the development of nanotechnologies for a broad range of applications.
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Affiliation(s)
- Paul W Bisso
- Department of Chemical Engineering, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
| | - Michelle Tai
- Department of Chemical Engineering, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
| | - Hari Katepalli
- Department of Chemical Engineering, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
| | - Nicolas Bertrand
- Faculty of Pharmacy, CHU de Quebec Research Center, Endocrinology and Nephrology, Laval University , Quebec City, Quebec G1 V 0A6, Canada
| | - Daniel Blankschtein
- Department of Chemical Engineering, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
| | - Robert Langer
- Department of Chemical Engineering, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
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Zhou M, Zhang Z, Xu D, Hou L, Zhao W, Nie X, Zhou L, Zhao J. Synthesis of three gemini betaine surfactants and their surface active properties. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2016.10.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Misra PK, Meher J, Maharana S. Investigation on the gelatin-surfactant interaction and physiochemical characteristics of the mixture. J Mol Liq 2016. [DOI: 10.1016/j.molliq.2016.10.043] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Hanumansetty S, O'Rear E. Two-site adsolubilization model of incorporation of fluoromonomers into fluorosurfactants formed on cotton fabric. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:3665-3672. [PMID: 24627981 DOI: 10.1021/la404217e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The adsorption of surfactants and adsolubilization of organic compounds on knit cotton fabric are fundamentally important in admicellar polymerization to impart characteristics like water repellency, stain resistance, and flame retardancy. The main objective of this research is to study adsorption and adsolubilization of fluororsurfactants and fluoromonomers used to obtain water repellency characteristics. Adsorption of nonionic (fluoroaliphatic amine oxide) and cationic (fluoroaliphatic quaternary ammonium surfactant) fluororsurfactants at the interface of cotton is investigated with and without fluoroacrylate monomers. A two-site adsolubilization model was used to predict the aggregation number of fluorosurfactant.
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Affiliation(s)
- Srinivas Hanumansetty
- School of Chemical, Biological and Materials Engineering, Institute of Applied Surfactant Research, University of Oklahoma , 100 E. Boyd, SEC T335, Norman, Oklahoma 73019 United States
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Affiliation(s)
- Francisco Zaera
- Department of Chemistry, University of California, Riverside, California 92521, United States
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Martinez AV, DeSensi SC, Dominguez L, Rivera E, Straub JE. Protein folding in a reverse micelle environment: the role of confinement and dehydration. J Chem Phys 2011; 134:055107. [PMID: 21303167 DOI: 10.1063/1.3545982] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Characterization of the molecular interactions that stabilize the folded state of proteins including hydrogen bond formation, solvation, molecular crowding, and interaction with membrane environments is a fundamental goal of theoretical biophysics. Inspired by recent experimental studies by Gai and co-workers, we have used molecular dynamics simulations to explore the structure and dynamics of the alanine-rich AKA(2) peptide in bulk solution and in a reverse micelle environment. The simulated structure of the reverse micelle shows substantial deviations from a spherical geometry. The AKA(2) peptide is observed to (1) remain in a helical conformation within a spherically constrained reverse micelle and (2) partially unfold when simulated in an unconstrained reverse micelle environment, in agreement with experiment. While aqueous solvation is found to stabilize the N- and C-termini random coil portions of the peptide, the helical core region is stabilized by significant interaction between the nonpolar surface of the helix and the aliphatic chains of the AOT surfactant. The results suggest an important role for nonpolar peptide-surfactant and peptide-lipid interactions in stabilizing helical geometries of peptides in reverse micelle environments.
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