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La Cognata S, Amendola V. Recent applications of organic cages in sensing and separation processes in solution. Chem Commun (Camb) 2023; 59:13668-13678. [PMID: 37902039 DOI: 10.1039/d3cc04522f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
Abstract
Organic cages are three-dimensional polycyclic compounds of great interest in the scientific community due to their unique features, which generally include simple synthesis based on the dynamic covalent chemistry strategies, structural tunability and high selectivity. In this feature article, we present the advances over the last ten years in the application of organic cages as chemosensors or components in chemosensing devices for the determination of analytes (pollutants, analytes of biological interest) in complex aqueous media including wine, fruit juice, urine. Details on the recent applications of organic cages as selective (back-)extractants or masking agents for potential applications in relevant separation processes, such as the plutonium and uranium recovery by extraction, are also provided. Over the last ten years, organic cages with permanent porosity in the liquid and solid states have been highly appreciated as porous materials able to discriminate molecules of different sizes. These features, combined with good solvent processability and film-forming tendency, have proved useful in the fabrication of membranes for gas separation, solvent nanofiltration and water remediation processes. An overview of the recent applications of organic cages in membrane separation technologies is given.
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Affiliation(s)
- Sonia La Cognata
- Department of Chemistry, University of Pavia, Viale Taramelli 12, Pavia, I-27100, Italy.
| | - Valeria Amendola
- Department of Chemistry, University of Pavia, Viale Taramelli 12, Pavia, I-27100, Italy.
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Yang Y, Chen P, Liu Y, Cai Z, Wang X, Me Y, Ding X, Lin L, Jiang H, Zhang Z, Ju Y. A colorimetric indicator-displacement assay based on stable Cu 2+ selective carbon dots for fluorescence turn-on detection of pyrophosphate anions in urine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 251:119479. [PMID: 33503563 DOI: 10.1016/j.saa.2021.119479] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 01/01/2021] [Accepted: 01/10/2021] [Indexed: 06/12/2023]
Abstract
Determination of PPi levels in urine represents a measurable factor for diagnostic, treatment, and monitoring of urolithiasis. Owing to the quenching ability of Cu2+ on fluorescent carbon dots (CDs) and strong binding affinity between Cu2+ and PPi, we develop a new off-on assay for PPi detection using newly BPHA CDs (BPHA: N,N-bis(pyridin-2-ylmethyl)hexan-1-amine). The fluorescence intensity of BPHA CDs was significantly quenched by Cu2+ ("off") through forming BPHA CDs/Cu2+ complexes and the fluorescence intensity of BPHA CDs /Cu2+ system was completely resumed by PPi ("on") owing to the release of free Cu2+. The fluorescence turn-off/on approach showed a highly selective response to PPi over the large family of other anions. The detection limits were 0.094 μM for Cu2+ and 0.025 μM for PPi, respectively. A wide linear range for PPi was up to 4400 μM. The indicator displacement assay (IDAs) using pyrocatechol violet (PV) as a colorimetric indicator was carried out to detect PPi with the naked eyes. The "off-on" fluorescent sensor based on BPHA CDs shows many merits, including convenient operation, cost-saving, high sensitivity, selectivity, stability and wide detecting range, which is applied to PPi detection in human urine sample.
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Affiliation(s)
- Yi Yang
- Changzhou Vocational Institute of Engineering, Changzhou 213164, China
| | - Pei Chen
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China; West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Yuqing Liu
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing 211166, China; School of Medicine, Xiamen University, Xiamen 361005, China
| | - Zheng Cai
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Xiyao Wang
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Yang Me
- The First affiliated Hospital, Nanjing Medical University, Nanjing 211166, China
| | - Xiongyu Ding
- The First affiliated Hospital, Nanjing Medical University, Nanjing 211166, China
| | - Lan Lin
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Huijun Jiang
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Zhenqin Zhang
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Yichun Ju
- School of Pharmacy, Nanjing Medical University, Nanjing 211166, China.
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Domínguez M, Blandez JF, Lozano‐Torres B, Torre C, Licchelli M, Mangano C, Amendola V, Sancenón F, Martínez‐Máñez R. A Nanoprobe Based on Gated Mesoporous Silica Nanoparticles for The Selective and Sensitive Detection of Benzene Metabolite t,t‐Muconic Acid in Urine. Chemistry 2020; 27:1306-1310. [DOI: 10.1002/chem.202004272] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/15/2020] [Indexed: 12/24/2022]
Affiliation(s)
- Marcia Domínguez
- Instituto Interuniversitario de Investigación de, Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Camino de Vera s/n 46022 Valencia Spain
| | - Juan F. Blandez
- Instituto Interuniversitario de Investigación de, Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Camino de Vera s/n 46022 Valencia Spain
- Unidad Mixta de Investigación en NanomedicinaySensores Instituto de Investigación Sanitaria La Fe Universitat Politècnica de València Avenida Fernando Abril Martorell, Torre 106 A 7planta 46026 Valencia Spain
| | - Beatriz Lozano‐Torres
- Instituto Interuniversitario de Investigación de, Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Camino de Vera s/n 46022 Valencia Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de, Enfermedades y Nanomedicina Centro de Investigación Príncipe Felipe Universitat Politècnica de València Carrer d'Eduardo Primo Yúfera, 3 46012 Valencia Spain
- Unidad Mixta de Investigación en NanomedicinaySensores Instituto de Investigación Sanitaria La Fe Universitat Politècnica de València Avenida Fernando Abril Martorell, Torre 106 A 7planta 46026 Valencia Spain
- CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN) Madrid 28019 Spain
| | - Cristina Torre
- Instituto Interuniversitario de Investigación de, Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Camino de Vera s/n 46022 Valencia Spain
- CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN) Madrid 28019 Spain
- Dipartimento di Chimica Università di Pavia Via Taramelli 12 27100 Pavia Italy
| | - Maurizio Licchelli
- Dipartimento di Chimica Università di Pavia Via Taramelli 12 27100 Pavia Italy
| | - Carlo Mangano
- Dipartimento di Chimica Università di Pavia Via Taramelli 12 27100 Pavia Italy
| | - Valeria Amendola
- Dipartimento di Chimica Università di Pavia Via Taramelli 12 27100 Pavia Italy
| | - Félix Sancenón
- Instituto Interuniversitario de Investigación de, Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Camino de Vera s/n 46022 Valencia Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de, Enfermedades y Nanomedicina Centro de Investigación Príncipe Felipe Universitat Politècnica de València Carrer d'Eduardo Primo Yúfera, 3 46012 Valencia Spain
- Unidad Mixta de Investigación en NanomedicinaySensores Instituto de Investigación Sanitaria La Fe Universitat Politècnica de València Avenida Fernando Abril Martorell, Torre 106 A 7planta 46026 Valencia Spain
- CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN) Madrid 28019 Spain
| | - Ramón Martínez‐Máñez
- Instituto Interuniversitario de Investigación de, Reconocimiento Molecular y Desarrollo Tecnológico (IDM) Universitat Politècnica de València Camino de Vera s/n 46022 Valencia Spain
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de, Enfermedades y Nanomedicina Centro de Investigación Príncipe Felipe Universitat Politècnica de València Carrer d'Eduardo Primo Yúfera, 3 46012 Valencia Spain
- Unidad Mixta de Investigación en NanomedicinaySensores Instituto de Investigación Sanitaria La Fe Universitat Politècnica de València Avenida Fernando Abril Martorell, Torre 106 A 7planta 46026 Valencia Spain
- CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN) Madrid 28019 Spain
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La Cognata S, Mobili R, Merlo F, Speltini A, Boiocchi M, Recca T, Maher LJ, Amendola V. Sensing and Liquid-Liquid Extraction of Dicarboxylates Using Dicopper Cryptates. ACS OMEGA 2020; 5:26573-26582. [PMID: 33110985 PMCID: PMC7581268 DOI: 10.1021/acsomega.0c03337] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Accepted: 08/14/2020] [Indexed: 06/11/2023]
Abstract
We report the investigation of dicopper(II) bistren cryptate, containing naphthyl spacers between the tren subunits, as a receptor for polycarboxylates in neutral aqueous solution. An indicator displacement assay for dicarboxylates was also developed by mixing the azacryptate with the fluorescent indicator 5-carboxyfluorescein in a 50:1 molar ratio. Fluorimetric studies showed a significant restoration of fluorophore emission upon addition of fumarate anions followed by succinate and isophthalate. The introduction of hexyl chains on the naphthalene groups created a novel hydrophobic cage; the corresponding dicopper complex was investigated as an extractant for dicarboxylates from neutral water into dichloromethane. The liquid-liquid extraction of succinate-as a model anion-was successfully achieved by exploiting the high affinity of this anionic guest for the azacryptate cavity. Extraction was monitored through the changes in the UV-visible spectrum of the dicopper complex in dichloromethane and by measuring the residual concentration of succinate in the aqueous phase by HPLC-UV. The successful extraction was also confirmed by 1H-NMR spectroscopy. Considering the relevance of polycarboxylates in biochemistry and in the environmental field, e.g., as waste products of industrial processes, our results open new perspectives for research in all contexts where recognition, sensing, or extraction of polycarboxylates is required.
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Affiliation(s)
- Sonia La Cognata
- Department
of Chemistry, Università degli Studi
di Pavia, v.le T. Taramelli 12, Pavia 27100, Italy
| | - Riccardo Mobili
- Department
of Chemistry, Università degli Studi
di Pavia, v.le T. Taramelli 12, Pavia 27100, Italy
| | - Francesca Merlo
- Department
of Chemistry, Università degli Studi
di Pavia, v.le T. Taramelli 12, Pavia 27100, Italy
| | - Andrea Speltini
- Department
of Drug Sciences, Università degli
Studi di Pavia,via Taramelli 12, Pavia 27100, Italy
| | - Massimo Boiocchi
- Centro
Grandi Strumenti, Università degli Studi di Pavia, via A. Bassi 21, Pavia 27100, Italy
| | - Teresa Recca
- Centro
Grandi Strumenti, Università degli Studi di Pavia, via A. Bassi 21, Pavia 27100, Italy
| | - Louis J. Maher
- Department
of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Valeria Amendola
- Department
of Chemistry, Università degli Studi
di Pavia, v.le T. Taramelli 12, Pavia 27100, Italy
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Miljkovic A, La Cognata S, Bergamaschi G, Freccero M, Poggi A, Amendola V. Towards Building Blocks for Supramolecular Architectures Based on Azacryptates. Molecules 2020; 25:molecules25071733. [PMID: 32283788 PMCID: PMC7181268 DOI: 10.3390/molecules25071733] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 04/03/2020] [Accepted: 04/06/2020] [Indexed: 12/03/2022] Open
Abstract
In this work, we report the synthesis of a new bis(tris(2-aminoethyl)amine) azacryptand L with triphenyl spacers. The binding properties of its dicopper complex for aromatic dicarboxylate anions (as TBA salts) were investigated, with the aim to obtain potential building blocks for supramolecular structures like rotaxanes and pseudo-rotaxanes. As expected, UV-Vis and emission studies of [Cu2L]4+ in water/acetonitrile mixture (pH = 7) showed a high affinity for biphenyl-4,4′-dicarboxylate (dfc2−), with a binding constant of 5.46 log units, due to the best match of the anion bite with the Cu(II)-Cu(II) distance in the cage’s cavity. Compared to other similar bistren cages, the difference of the affinity of [Cu2L]4+ for the tested anions was not so pronounced: conformational changes of L seem to promote a good interaction with both long (e.g., dfc2−) and short anions (e.g., terephthalate). The good affinity of [Cu2L]4+ for these dicarboxylates, together with hydrophobic interactions within the cage’s cavity, may promote the self-assembly of a stable 1:1 complex in water mixture. These results represent a good starting point for the application of these molecular systems as building units for the design of new supramolecular architectures based on non-covalent interactions, which could be of interest in all fields related to supramolecular devices.
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Affiliation(s)
- Ana Miljkovic
- Department of Chemistry, University of Pavia, V.le Taramelli 12, 27100 Pavia, Italy; (A.M.); (M.F.); (A.P.); (V.A.)
| | - Sonia La Cognata
- Department of Chemistry, University of Pavia, V.le Taramelli 12, 27100 Pavia, Italy; (A.M.); (M.F.); (A.P.); (V.A.)
- Correspondence:
| | - Greta Bergamaschi
- Istituto di Scienze e Tecnologie Chimiche, National Research Council of Italy, Via M. Bianco 9, 20131 Milano, Italy;
| | - Mauro Freccero
- Department of Chemistry, University of Pavia, V.le Taramelli 12, 27100 Pavia, Italy; (A.M.); (M.F.); (A.P.); (V.A.)
| | - Antonio Poggi
- Department of Chemistry, University of Pavia, V.le Taramelli 12, 27100 Pavia, Italy; (A.M.); (M.F.); (A.P.); (V.A.)
| | - Valeria Amendola
- Department of Chemistry, University of Pavia, V.le Taramelli 12, 27100 Pavia, Italy; (A.M.); (M.F.); (A.P.); (V.A.)
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