1
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Pineda-Castañeda H, Rivera-Monroy ZJ, Maldonado M. Copper(I)-Catalyzed Alkyne-Azide Cycloaddition (CuAAC) "Click" Reaction: A Powerful Tool for Functionalizing Polyhydroxylated Platforms. ACS OMEGA 2023; 8:3650-3666. [PMID: 36743057 PMCID: PMC9893463 DOI: 10.1021/acsomega.2c06269] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 12/23/2022] [Indexed: 05/13/2023]
Abstract
Click chemistry is currently one of the most used tools for the generation of complex organic molecules. The advantages of using click chemistry in organic synthesis are remarkable; in many cases, the reactions occur under mild conditions and are free of solvents, with high yields and short reaction times. This makes it an extraordinarily effective and viable alternative for obtaining complex/conjugated molecules. In this review, the use of click chemistry CuAAC is especially emphasized for polyhydroxylated platforms such as resorcinarenes or calixarenes, focusing mainly on aspects of synthesis, specifically conditions, reagents, and methodologies.
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Affiliation(s)
- Héctor
Manuel Pineda-Castañeda
- Chemistry
Department, Universidad Nacional de Colombia,
Bogotá, Carrera 45 No 26-85, Building 451, office 409, Bogotá 11321, Colombia
| | - Zuly Jenny Rivera-Monroy
- Chemistry
Department, Universidad Nacional de Colombia,
Bogotá, Carrera 45 No 26-85, Building 451, office 409, Bogotá 11321, Colombia
| | - Mauricio Maldonado
- Chemistry
Department, Universidad Nacional de Colombia,
Bogotá, Carrera 45 No 26-85, Building 451, office 409, Bogotá 11321, Colombia
- Email
for M.M.:
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2
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Verma N, Sutariya P, Patel T, Shukla M, Pandya A. Tailored calix[4]arene-gold nanoconjugate as a ultra-sensitive immunosensing nanolabel. Biomed Microdevices 2022; 25:1. [PMID: 36449135 DOI: 10.1007/s10544-022-00640-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/27/2022] [Indexed: 12/03/2022]
Abstract
The construction of highly sensitive and specific immunosensing nanolabels have attracted tremendous attention in the development of reliable point-of-care disease diagnostics. However, there are still challenges with traditional immunoassays, such as complicated and time-consuming procedure, the use of enzyme label, non-specificity, and require readers for detection. Therefore, we have designed and developed site-directed antibody-immobilized calix[4]arene-gold nanoconjugate based colorimetric immunosensing nanolabel to offer high sensitivity. The prepared nanolabel enabled oriented binding of the antibodies by providing full accessibility of Fab domain for antigen binding. The improved sensitivity of the developed nanolabel was evaluated using vertical flow immunoassay (VFIA) for detecting C-reactive protein (CRP) with a lower detection limit up to 1 ng/ml. Our developed nanolabel was found to be highly specific, easy, quick, and appropriate for onsite detection. The nanolabel is validated with spiked blood samples which exhibited ~90% recovery having a relative error of ~2%. Furthermore, the nanolabel was also used for screening of human blood real samples which showed relative error of ~0.6%. The developed nanolabel can be utilized as a potential nanolabel for the quantitative detection of various biomolecules in clinical samples.
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Affiliation(s)
- Nidhi Verma
- Department of Biotechnology and Bioengineering, Institute of Advanced Research, Gandhinagar, Gujarat, 382426, India
| | - Pinkesh Sutariya
- Department of Chemistry, Sardar Patel University, Vallabh Vidyanagar, Gujarat, 388120, India
| | - Tvarit Patel
- Department of Biotechnology and Bioengineering, Institute of Advanced Research, Gandhinagar, Gujarat, 382426, India
| | - Malvika Shukla
- Department of Biotechnology and Bioengineering, Institute of Advanced Research, Gandhinagar, Gujarat, 382426, India
| | - Alok Pandya
- Department of Biotechnology and Bioengineering, Institute of Advanced Research, Gandhinagar, Gujarat, 382426, India.
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3
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Gul S, Memon FN, Memon S. Optimization of toxic metal adsorption on DEA-calix[4]arene appended silica resin using a central composite design. NEW J CHEM 2022. [DOI: 10.1039/d1nj05669g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An assessment of central composite design (CCD) for the optimization of the adsorption of toxic metal ions using a DEA-calix[4]arene (DEA-C4) based silica resin.
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Affiliation(s)
- Samiha Gul
- National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080, Pakistan
| | - Fakhar N. Memon
- Department of Chemistry, University of Karachi, Karachi 75270, Pakistan
| | - Shahabuddin Memon
- National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080, Pakistan
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4
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Quaglio D, Polli F, Del Plato C, Cianfoni G, Tortora C, Mazzei F, Botta B, Calcaterra A, Ghirga F. Calixarene: a versatile scaffold for the development of highly sensitive biosensors. Supramol Chem 2021. [DOI: 10.1080/10610278.2021.2011283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Deborah Quaglio
- Department of Chemistry and Technology of Drugs, Sapienza - University of Rome, Rome, Italy
| | - Francesca Polli
- Department of Chemistry and Technology of Drugs, Sapienza - University of Rome, Rome, Italy
| | - Cristina Del Plato
- Department of Chemistry and Technology of Drugs, Sapienza - University of Rome, Rome, Italy
- Center for Life Nano- & Neuro-Science@Sapienza, Italian Institute of Technology, Rome, Italy
| | - Gabriele Cianfoni
- Department of Chemistry and Technology of Drugs, Sapienza - University of Rome, Rome, Italy
- Center for Life Nano- & Neuro-Science@Sapienza, Italian Institute of Technology, Rome, Italy
| | - Carola Tortora
- Department of Chemistry and Technology of Drugs, Sapienza - University of Rome, Rome, Italy
| | - Franco Mazzei
- Department of Chemistry and Technology of Drugs, Sapienza - University of Rome, Rome, Italy
| | - Bruno Botta
- Department of Chemistry and Technology of Drugs, Sapienza - University of Rome, Rome, Italy
| | - Andrea Calcaterra
- Department of Chemistry and Technology of Drugs, Sapienza - University of Rome, Rome, Italy
| | - Francesca Ghirga
- Department of Chemistry and Technology of Drugs, Sapienza - University of Rome, Rome, Italy
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5
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Abstract
Surface modification is recognized as one of the fundamental techniques to fabricate biosensing interfaces. This review focuses on the surface modification of carbon substrates (GC and HOPG) and silica with a close-packed monolayer, in particular. In the cases of carbon substrates, GC and HOPG, it was demonstrated that surface modification of carbon substrates with diazonium derivatives could create a close-packed monolayer similar to the self-assembled monolayer (SAM) formation with mercapto derivatives. Similarly, the potential of trialkoxysilanes to form a close-packed monolayer was evaluated, and modification with a close-packed monolayer tended to occur under milder conditions when the trialkoxysilanes had a longer alkyl chain. In these studies, we synthesized surface modification materials having ferrocene as a redox active moiety to explore features of the modified surfaces by an electrochemical method using cyclic voltammetry, where surface concentrations of immobilized molecules and blocking effect were studied to obtain insight for density leading to a close-packed layer. Based on those findings, fabrication of a biosensing interface on the silica sensing chip of the waveguide-mode sensor was carried out using triethoxysilane derivatives bearing succinimide ester and oligoethylene glycol moieties to immobilize antibodies and to suppress nonspecific adsorption of proteins, respectively. The results demonstrate that the waveguide-mode sensor powered by the biosensing interface fabricated with those triethoxysilane derivatives and antibody has the potential to detect several tens ng/mL of biomarkers in human serum with unlabeled detection method.
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Affiliation(s)
- Mutsuo Tanaka
- Department of Life Science & Green Chemistry, Saitama Institute of Technology
| | - Osamu Niwa
- Advanced Science Research Laboratory, Saitama Institute of Technology
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6
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Xue Y, Bai H, Peng B, Fang B, Baell J, Li L, Huang W, Voelcker NH. Stimulus-cleavable chemistry in the field of controlled drug delivery. Chem Soc Rev 2021; 50:4872-4931. [DOI: 10.1039/d0cs01061h] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This review comprehensively summarises stimulus-cleavable linkers from various research areas and their cleavage mechanisms, thus provides an insightful guideline to extend their potential applications to controlled drug release from nanomaterials.
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Affiliation(s)
- Yufei Xue
- Frontiers Science Center for Flexible Electronics
- Xi’an Institute of Flexible Electronics (IFE) and Xi’an Institute of Biomedical Materials & Engineering
- Northwestern Polytechnical University
- 127 West Youyi Road
- Xi'an 710072
| | - Hua Bai
- Frontiers Science Center for Flexible Electronics
- Xi’an Institute of Flexible Electronics (IFE) and Xi’an Institute of Biomedical Materials & Engineering
- Northwestern Polytechnical University
- 127 West Youyi Road
- Xi'an 710072
| | - Bo Peng
- Frontiers Science Center for Flexible Electronics
- Xi’an Institute of Flexible Electronics (IFE) and Xi’an Institute of Biomedical Materials & Engineering
- Northwestern Polytechnical University
- 127 West Youyi Road
- Xi'an 710072
| | - Bin Fang
- Frontiers Science Center for Flexible Electronics
- Xi’an Institute of Flexible Electronics (IFE) and Xi’an Institute of Biomedical Materials & Engineering
- Northwestern Polytechnical University
- 127 West Youyi Road
- Xi'an 710072
| | - Jonathan Baell
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Clayton
- Victoria 3168
- Australia
| | - Lin Li
- Frontiers Science Center for Flexible Electronics
- Xi’an Institute of Flexible Electronics (IFE) and Xi’an Institute of Biomedical Materials & Engineering
- Northwestern Polytechnical University
- 127 West Youyi Road
- Xi'an 710072
| | - Wei Huang
- Frontiers Science Center for Flexible Electronics
- Xi’an Institute of Flexible Electronics (IFE) and Xi’an Institute of Biomedical Materials & Engineering
- Northwestern Polytechnical University
- 127 West Youyi Road
- Xi'an 710072
| | - Nicolas Hans Voelcker
- Frontiers Science Center for Flexible Electronics
- Xi’an Institute of Flexible Electronics (IFE) and Xi’an Institute of Biomedical Materials & Engineering
- Northwestern Polytechnical University
- 127 West Youyi Road
- Xi'an 710072
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7
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Mattiuzzi A, Lenne Q, Carvalho Padilha J, Troian-Gautier L, Leroux YR, Jabin I, Lagrost C. Strategies for the Formation of Monolayers From Diazonium Salts: Unconventional Grafting Media, Unconventional Building Blocks. Front Chem 2020; 8:559. [PMID: 32766206 PMCID: PMC7381217 DOI: 10.3389/fchem.2020.00559] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 06/02/2020] [Indexed: 01/08/2023] Open
Abstract
Pioneered by J. Pinson and coll. in 1990s, the reductive grafting of aryldiazonium salts has become a powerful method for surface functionalization. Highly robust interfaces result from this surface attachment, resistant to heat, chemical degradation and ultrasonication. Importantly, this approach can be applied to many materials, ranging from conducting, semi-conducting, oxides to insulating substrates. In addition, either massive, flat surfaces or nanomaterials can be functionalized. The method is easy to process and fast. The grafting process involves the formation of highly reactive aryl radicals able to attack the substrate. However, the generated radicals can also react with already-grafted aryl species, leading to the formation of loosely-packed polyaryl multilayer films, typically of 10-15 nm thick. It is thus highly challenging to control the vertical extension of the deposited layer and to form well-ordered monolayers from aryldiazonium salts. In this mini review, we briefly describe the different strategies that have been developed to prepare well-ordered monolayers. We especially focus on two strategies successfully used in our laboratories, namely the use of unconventional solvents, i.e., room temperature ionic liquids (RTILs), as grafting media and the use of calixarene macrocycles by taking benefit of their pre-organized structure. These strategies give large possibilities for the structuring of interfaces with the widest choice of materials and highlight the potential of aryldiazonium grafting as a competitive alternative to self-assembled monolayers (SAMs) of alkyl thiols.
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Affiliation(s)
| | | | - Janine Carvalho Padilha
- Instituto Latino-Americano de Ciências da Vida e da Natureza, Universidade Federal da Integração Latino-Americana, Foz do Iguaçu, Brazil
| | | | | | - Ivan Jabin
- Laboratoire de Chimie Organique, Université libre de Bruxelles (ULB), Brussels, Belgium
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8
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Mattiuzzi A, Troian-Gautier L, Mertens J, Reniers F, Bergamini JF, Lenne Q, Lagrost C, Jabin I. Robust hydrophobic gold, glass and polypropylene surfaces obtained through a nanometric covalently bound organic layer. RSC Adv 2020; 10:13553-13561. [PMID: 35492995 PMCID: PMC9051540 DOI: 10.1039/d0ra01011a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 03/25/2020] [Indexed: 01/26/2023] Open
Abstract
The (electro)chemical grafting of a polyfluorinated calix[4]arene on gold, polypropylene and glass is reported. The modified surfaces were characterized by ellipsometry, atomic force microscopy (AFM), and by X-ray photoelectron spectroscopy (XPS). A nanometric, robust and uniform monolayer of covalently surface-bound calix[4]arenes was obtained on the three different materials. For all surfaces, contact angles higher than 110° were recorded, highlighting the hydrophobic character given by this ∼2 nm thin organic monolayer. Remarkably, the contact angle values remained unchanged after 18 months under a laboratory atmosphere. The results presented herein thus present an attractive and sustainable strategy for bringing hydrophobic properties to the interface of a wide range of materials. The grafting of a polyfluorinated calix[4]arene-tetradiazonium derivative on various surfaces led to the formation of very robust and stable hydrophobic monolayers.![]()
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Affiliation(s)
- Alice Mattiuzzi
- X4C 128 Rue du Chêne Bonnet 6110 Montigny-le-Tilleul Belgium
| | - Ludovic Troian-Gautier
- Laboratoire de Chimie Organique, Université libre de Bruxelles (ULB) CP 160/06, 50 Avenue F. D. Roosevelt 1050 Brussels Belgium
| | - Jérémy Mertens
- Chemistry of Surfaces, Interfaces and Nanomaterials - ChemSIN, Université libre de Bruxelles (ULB) CP 255, Campus de la Plaine, Boulevard du Triomphe 1050 Brussels Belgium
| | - François Reniers
- Chemistry of Surfaces, Interfaces and Nanomaterials - ChemSIN, Université libre de Bruxelles (ULB) CP 255, Campus de la Plaine, Boulevard du Triomphe 1050 Brussels Belgium
| | | | - Quentin Lenne
- Univ Rennes, CNRS, ISCR-UMR 6226 F-35000 Rennes France
| | | | - Ivan Jabin
- Laboratoire de Chimie Organique, Université libre de Bruxelles (ULB) CP 160/06, 50 Avenue F. D. Roosevelt 1050 Brussels Belgium
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9
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Troian-Gautier L, Mattiuzzi A, Reinaud O, Lagrost C, Jabin I. Use of calixarenes bearing diazonium groups for the development of robust monolayers with unique tailored properties. Org Biomol Chem 2020; 18:3624-3637. [DOI: 10.1039/d0ob00070a] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Calixarene-based diazonium salts can be easily synthesized in a few steps. This review surveys recent examples that illustrate the key advantages of these highly reactive molecular platforms for surface modification.
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Affiliation(s)
| | - Alice Mattiuzzi
- Laboratoire de Chimie Organique
- Université libre de Bruxelles (ULB)
- 1050 Brussels
- Belgium
- X4C
| | - Olivia Reinaud
- Laboratoire de Chimie et de Biochimie Pharmacologiques et Toxicologiques
- CNRS UMR 8601
- Université de Paris
- 75006 Paris
- France
| | | | - Ivan Jabin
- Laboratoire de Chimie Organique
- Université libre de Bruxelles (ULB)
- 1050 Brussels
- Belgium
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10
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Sheridan MV, Lam K, Waterman R, Geiger WE. Anodic Oxidation of Ethynylferrocene Derivatives in Homogeneous Solution and Following Anodic Deposition onto Glassy Carbon Electrodes. ChemElectroChem 2019. [DOI: 10.1002/celc.201901545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Matthew V. Sheridan
- Department of Chemistry University of Vermont Burlington, Vermont 05495 U.S.A
- School of Radiological and Interdisciplinary Sciences Soochow University 199 Reńai Road Suzhou 215123 P.R. China
| | - Kevin Lam
- Department of Chemistry University of Vermont Burlington, Vermont 05495 U.S.A
- Department of Pharmaceutical Chemical and Environmental Chemistries University of Greenwich, Chatham Maritime Chatham Kent United Kingdom
| | - Rory Waterman
- Department of Chemistry University of Vermont Burlington, Vermont 05495 U.S.A
| | - William E. Geiger
- Department of Chemistry University of Vermont Burlington, Vermont 05495 U.S.A
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11
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Malytskyi V, Troian-Gautier L, Mattiuzzi A, Lambotte S, Cornelio B, Lagrost C, Jabin I. Synthesis of a Calix[4]arene-Monodiazonium Salt for Surface Modification. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801253] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Volodymyr Malytskyi
- Laboratoire de Chimie Organique; Université Libre de Bruxelles (ULB); avenue F. D. Roosevelt 50, CP160/06, B -1050 Brussels Belgium
| | - Ludovic Troian-Gautier
- Laboratoire de Chimie Organique; Université Libre de Bruxelles (ULB); avenue F. D. Roosevelt 50, CP160/06, B -1050 Brussels Belgium
| | - Alice Mattiuzzi
- Laboratoire de Chimie Organique; Université Libre de Bruxelles (ULB); avenue F. D. Roosevelt 50, CP160/06, B -1050 Brussels Belgium
- X4C; Rue Chêne Bonnet 128 6110 Montigny-le-Tilleul Belgium
| | - Sarah Lambotte
- Laboratoire de Chimie Organique; Université Libre de Bruxelles (ULB); avenue F. D. Roosevelt 50, CP160/06, B -1050 Brussels Belgium
| | - Benedetta Cornelio
- Laboratoire de Chimie Organique; Université Libre de Bruxelles (ULB); avenue F. D. Roosevelt 50, CP160/06, B -1050 Brussels Belgium
| | - Corinne Lagrost
- Univ. Rennes; Institut des Sciences Chimiques de Rennes -UMR 6226; Campus de Beaulieu; Rennes Cedex 35042 France
| | - Ivan Jabin
- Laboratoire de Chimie Organique; Université Libre de Bruxelles (ULB); avenue F. D. Roosevelt 50, CP160/06, B -1050 Brussels Belgium
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12
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Burilov VA, Fatikhova GA, Dokuchaeva MN, Nugmanov RI, Mironova DA, Dorovatovskii PV, Khrustalev VN, Solovieva SE, Antipin IS. Synthesis of new p-tert-butylcalix[4]arene-based polyammonium triazolyl amphiphiles and their binding with nucleoside phosphates. Beilstein J Org Chem 2018; 14:1980-1993. [PMID: 30202452 PMCID: PMC6122204 DOI: 10.3762/bjoc.14.173] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Accepted: 07/13/2018] [Indexed: 01/10/2023] Open
Abstract
The synthesis of new calix[4]arenes adopting a cone stereoisomeric form bearing two or four azide fragments on the upper rim and water-soluble triazolyl amphiphilic receptors with two or four polyammonium headgroups via copper-catalyzed azide–alkyne cycloaddition reaction has been performed for the first time. It was found that the synthesized macrocycles form stable aggregates with hydrodynamic diameters between 150–200 nm and electrokinetic potentials about +40 to +60 mV in water solutions. Critical aggregation concentration (CAC) values were measured using a micelle method with pyrene and eosin Y as dye probes. The CAC values of tetraalkyl-substituted macrocycles 12a,b (5 µM for both) are significantly lower than those for dialkyl-substituted macrocycles 10a,b (790 and 160 µM, respectively). Premicellar aggregates of macrocycles 10a,b and 12a,b with the dye eosin Y were used for nucleotides sensing through a dye replacement procedure. It is unusual that disubstituted macrocycles 10a,b bind more effectively a less charged adenosine 5'-diphosphate (ADP) than adenosine 5'-triphosphate (ATP). A simple colorimetric method based on polydiacetylene vesicles decorated with 10b was elaborated for the naked-eye detection of ADP with a detection limit of 0.5 mM.
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Affiliation(s)
- Vladimir A Burilov
- Kazan Federal University, 18 Kremlevskaya st., Kazan 420008, Russian Federation
| | | | - Mariya N Dokuchaeva
- Kazan Federal University, 18 Kremlevskaya st., Kazan 420008, Russian Federation
| | - Ramil I Nugmanov
- Kazan Federal University, 18 Kremlevskaya st., Kazan 420008, Russian Federation
| | - Diana A Mironova
- Kazan Federal University, 18 Kremlevskaya st., Kazan 420008, Russian Federation
| | - Pavel V Dorovatovskii
- National Research Center "Kurchatov Institute", 1 Ak. Kurchatov Square, Moscow 123182, Russian Federation
| | - Victor N Khrustalev
- National Research Center "Kurchatov Institute", 1 Ak. Kurchatov Square, Moscow 123182, Russian Federation.,Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklay Street, Moscow 117198, Russin Federation
| | - Svetlana E Solovieva
- Kazan Federal University, 18 Kremlevskaya st., Kazan 420008, Russian Federation.,A. E. Arzubov Institute of Organic & Physical Chemistry, 8 Arzubov Street, Kazan 420088, Russian Federation
| | - Igor S Antipin
- Kazan Federal University, 18 Kremlevskaya st., Kazan 420008, Russian Federation.,A. E. Arzubov Institute of Organic & Physical Chemistry, 8 Arzubov Street, Kazan 420088, Russian Federation
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13
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Valkenier H, Malytskyi V, Blond P, Retout M, Mattiuzzi A, Goole J, Raussens V, Jabin I, Bruylants G. Controlled Functionalization of Gold Nanoparticles with Mixtures of Calix[4]arenes Revealed by Infrared Spectroscopy. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:8253-8259. [PMID: 28727432 DOI: 10.1021/acs.langmuir.7b02140] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Labile ligands such as thiols and carboxylates are commonly used to functionalize AuNPs, though little control over the composition is possible when mixtures of ligands are used. It was shown recently that robustly functionalized AuNPs can be obtained through the reductive grafting of calix[4]arenes bearing diazonium groups on the large rim. Here, we report a calix[4]arene-tetradiazonium decorated by four oligo(ethylene glycol) chains on the small rim, which upon grafting gave AuNPs with excellent stability thanks to the C-Au bonds. Mixtures of this calixarene and one with four carboxylate groups were grafted on AuNPs. The resulting particles were analyzed by infrared spectroscopy, which revealed that the composition of the ligand shell clearly reflected the ratio of calixarenes that was present in solution. This strategy opens the way to robustly protected AuNPs with well-defined numbers of functional or postfunctionalizable groups.
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Affiliation(s)
| | | | | | | | - Alice Mattiuzzi
- X4C, Rue Chêne Bonnet 128, 6110 Montigny-le-Tilleul, Belgium
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14
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Mohsin MA, Liu BD, Zhang XL, Yang WJ, Liu LS, Jiang X. Cellular-membrane inspired surface modification of well aligned ZnO nanorods for chemosensing of epinephrine. RSC Adv 2017. [DOI: 10.1039/c6ra26250c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Modified ZnO nanorods array to form a chemical sensor for neurotransmitters. The interspaces between the nanorods offer highly efficient immobilization of the lipid membrane containing the calixarene, which act as receptor molecule.
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Affiliation(s)
- M. A. Mohsin
- Shenyang National Laboratory for Materials Sciences (SYNL)
- Institute of Metal Research (IMR)
- Chinese Academy of Sciences (CAS)
- Shenyang
- China
| | - B. D. Liu
- Shenyang National Laboratory for Materials Sciences (SYNL)
- Institute of Metal Research (IMR)
- Chinese Academy of Sciences (CAS)
- Shenyang
- China
| | - X. L. Zhang
- Shenyang National Laboratory for Materials Sciences (SYNL)
- Institute of Metal Research (IMR)
- Chinese Academy of Sciences (CAS)
- Shenyang
- China
| | - W. J. Yang
- Shenyang National Laboratory for Materials Sciences (SYNL)
- Institute of Metal Research (IMR)
- Chinese Academy of Sciences (CAS)
- Shenyang
- China
| | - L. S. Liu
- Shenyang National Laboratory for Materials Sciences (SYNL)
- Institute of Metal Research (IMR)
- Chinese Academy of Sciences (CAS)
- Shenyang
- China
| | - X. Jiang
- Shenyang National Laboratory for Materials Sciences (SYNL)
- Institute of Metal Research (IMR)
- Chinese Academy of Sciences (CAS)
- Shenyang
- China
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15
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Breton T, Downard AJ. Controlling Grafting from Aryldiazonium Salts: A Review of Methods for the Preparation of Monolayers. Aust J Chem 2017. [DOI: 10.1071/ch17262] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Surface modification by grafting from aryldiazonium salts has been widely studied and applied to many substrates as a simple and versatile method for preparing strongly adherent organic coatings. Unless special precautions or conditions are used, the usual film structure is a loosely packed disordered multilayer; however, over the past decade, attention has been paid to establishing strategies for grafting just a monolayer of modifiers to the surface. To date, four general approaches to monolayer preparation have emerged: use of aryldiazonium ions with cleavable protection groups; use of aryldiazonium ions with steric constraints; grafting in the presence of a radical scavenger; and grafting from ionic liquids. This review describes these approaches, illustrates some of their applications, and highlights the advantages and disadvantages of each.
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