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Freire RVM, Coelho DMA, Maciel LG, Jesus LT, Freire RO, Dos Anjos JV, Junior SA. Luminescent Supramolecular Metallogels: Drug Loading and Eu(III) as Structural Probe. Chemistry 2024; 30:e202400680. [PMID: 38593232 DOI: 10.1002/chem.202400680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 04/08/2024] [Accepted: 04/09/2024] [Indexed: 04/11/2024]
Abstract
Supramolecular metallogels combine the rheological properties of gels with the color, magnetism, and other properties of metal ions. Lanthanide ions such as Eu(III) can be valuable components of metallogels due to their fascinating luminescence. In this work, we combine Eu(III) and iminodiacetic acid (IDA) into luminescent hydrogels. We investigate the tailoring of the rheological properties of these gels by changes in their metal:ligand ratio. Further, we use the highly sensitive Eu(III) luminescence to obtain information about the chemical structure of the materials. In special, we take advantage of computational calculations to employ an indirect method for structural elucidation, in which the simulated luminescent properties of candidate structures are matched to the experimental data. With this strategy, we can propose molecular structures for different EuIDA gels. We also explore the usage of these gels for the loading of bioactive molecules such as OXA, observing that its aldose reductase activity remains present in the gel. We envision that the findings from this work could inspire the development of luminescent hydrogels with tunable rheology for applications such as 3D printing and imaging-guided drug delivery platforms. Finally, Eu(III) emission-based structural elucidation could be a powerful tool in the characterization of advanced materials.
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Affiliation(s)
- Rafael V M Freire
- Department of Fundamental Chemistry, Federal University of Pernambuco, Cidade Universitária, 50740-560, Recife, Brazil
| | - Dhiego M A Coelho
- Department of Fundamental Chemistry, Federal University of Pernambuco, Cidade Universitária, 50740-560, Recife, Brazil
| | - Larissa G Maciel
- Department of Fundamental Chemistry, Federal University of Pernambuco, Cidade Universitária, 50740-560, Recife, Brazil
| | - Larissa T Jesus
- Department of Fundamental Chemistry, Federal University of Pernambuco, Cidade Universitária, 50740-560, Recife, Brazil
- Pople Computational Chemistry Laboratory, Department of Chemistry, Federal University of Sergipe, 49107-230, São Cristóvão, SE, Brazil
| | - Ricardo O Freire
- Pople Computational Chemistry Laboratory, Department of Chemistry, Federal University of Sergipe, 49107-230, São Cristóvão, SE, Brazil
| | - Janaína V Dos Anjos
- Department of Fundamental Chemistry, Federal University of Pernambuco, Cidade Universitária, 50740-560, Recife, Brazil
| | - Severino A Junior
- Department of Fundamental Chemistry, Federal University of Pernambuco, Cidade Universitária, 50740-560, Recife, Brazil
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2
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Marquardt N, von der Haar F, Schaate A. Transition metal and lanthanide modified MOF-808 for barcode design. Dalton Trans 2024; 53:8608-8618. [PMID: 38691371 DOI: 10.1039/d4dt00501e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
This study explores the utilization of metal-organic frameworks (MOFs), particularly those incorporating lanthanide-based elements for their fluorescence capabilities, to create an advanced barcode system. By exploiting the modular nature of MOFs, we have developed a material capable of dynamic information encoding and robust against counterfeiting efforts. We introduce a novel barcode prototype that exhibits visible color shifts and fluorescence modulation when exposed to a specific sequence of chemical and thermal stimuli. The barcode is composed of MOF-808, which is modified with transition metals like iron or cobalt, and europium cations. These components are embedded within polyvinylidene fluoride (PVDF) to form a composite. This embedding process ensures that the MOF particles remain reactive to specific trigger molecules, enabling a distinct read-out sequence. The decoding process, involving exposure to ammonia, heating at 120 °C, and treatment with HCl, triggers observable changes in fluorescence and color, depending on the transition metal used. Our investigations with Eu,Co-MOF-808, and Eu,Fe-MOF-808 composites have resulted in the creation of a barcode prototype that demonstrates the feasibility of using europium-modified and unmodified transition metal modified MOF-808@PVDF composites for enhanced security applications.
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Affiliation(s)
- Nele Marquardt
- Institute of Inorganic Chemistry, Leibniz University Hannover, Callinstr. 9, 30167, Hannover, Germany.
| | - Frederike von der Haar
- Institute of Inorganic Chemistry, Leibniz University Hannover, Callinstr. 9, 30167, Hannover, Germany.
| | - Andreas Schaate
- Institute of Inorganic Chemistry, Leibniz University Hannover, Callinstr. 9, 30167, Hannover, Germany.
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3
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Wang XJ, Long Y, Wei CW, Gao SQ, Lin YW. Peroxidase activity of a Cu-Fe bimetallic hydrogel and applications for colorimetric detection of ascorbic acid. Phys Chem Chem Phys 2024; 26:1077-1085. [PMID: 38098362 DOI: 10.1039/d3cp05403a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2024]
Abstract
A Cu-Fe bimetallic hydrogel (2-QF-CuFe-G) was constructed through a simple method. The 2-QF-CuFe-G metallohydrogel possesses excellent peroxidase-like activity to catalyze the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB) in the presence of H2O2. The catalytic mechanism was confirmed by the addition of •OH radical scavenger isopropyl alcohol (IPA), tert-butyl alcohol (TBA) and ˙OH trapping agent terephthalic acid (TA). Remarkably, the resultant blue ox-TMB system can be used to selectively and sensitively detect ascorbic acid (AA) with an LOD of 0.93 μM in the range of 4-36 μM through the colorimetric method. Moreover, the assay based on the 2-QF-CuFe-G metallohydrogel can be successfully applied to detect AA in fresh fruits.
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Affiliation(s)
- Xiao-Juan Wang
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China.
| | - Yan Long
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China.
| | - Chuan-Wan Wei
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China.
| | - Shu-Qin Gao
- Key Lab of Protein Structure and Function of Universities in Hunan Province, University of South China, Hengyang 421001, China
| | - Ying-Wu Lin
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China.
- Key Lab of Protein Structure and Function of Universities in Hunan Province, University of South China, Hengyang 421001, China
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Dutta M, Banerjee S, Mandal M, Bhattacharjee M. A self-healable metallohydrogel for drug encapsulations and drug release. RSC Adv 2023; 13:15448-15456. [PMID: 37223407 PMCID: PMC10201648 DOI: 10.1039/d3ra00930k] [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: 02/11/2023] [Accepted: 05/03/2023] [Indexed: 05/25/2023] Open
Abstract
A self-healable metallohydrogel (MOG) of Mn(ii) has been prepared using a low molecular weight gelator, Na2HL {H3L = l-(3,5-di-tert-butyl-2-hydroxy-benzyl)amino aspartic acid}. The MOG has been characterized by MALDI TOF mass spectrometry, rheological studies, IR spectroscopy, and microscopic techniques. Non-steroidal anti-inflammatory drug (NSAID), indomethacin (IND) and anti-cancer drug gemcitabine (GEM) were encapsulated into the metallohydrogel. The GEM-loaded metallogel (MOG_GEM) shows better delivery and more adverse cytotoxicity than the drug against breast cancer cell lines MDA-MB-468 and 4T1. The anti-cancer property was evaluated with in vitro MTT cytotoxic assay, live-dead assay and cell migration assay. In vitro cytotoxicity assay against RAW 264.7 cell line with the treatment of MOG_IND shows the improved anti-inflammatory response in the case of MOG_IND compared to the drug alone.
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Affiliation(s)
- Mita Dutta
- Department of Chemistry, Indian Institute of Technology Kharagpur 721302 India
| | - Shreya Banerjee
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur 721302 India
| | - Mahitosh Mandal
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur 721302 India
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Houard F, Cucinotta G, Guizouarn T, Suffren Y, Calvez G, Daiguebonne C, Guillou O, Artzner F, Mannini M, Bernot K. Metallogels: a novel approach for the nanostructuration of single-chain magnets. MATERIALS HORIZONS 2023; 10:547-555. [PMID: 36426997 DOI: 10.1039/d2mh01158a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
In this study we demonstrate that single-chain magnets (SCMs) can be assembled in gel phase and transferred intact on surface. We take advantage of a family of SCMs based on TbIII ions and nitronyl-nitroxides radicals functionalized with short alkyl chains known to form crystalline supramolecular nanotubes interacting with heptane acting as crystallizing solvent. When the radicals are functionalized with long aliphatic chains a robust gel is formed with similar structural and functional properties respect to its crystalline parent. Indeed, a small-angle X-ray scattering (SAXS) study unambiguously demonstrates that the gel is made of supramolecular nanotubes: the high stability of the gel allows the determination from SAXS data of precise nanotube metrics such as diameter, helical pitch and monoclinic cell of the folded 2D crystal lattice along the tube direction. Additionally, static and dynamic magnetic investigations show the persistence of the SCM behavior in the metallogel. Last, on-surface gelation provides thick films as well as sub-monolayer deposits of supramolecular nanotubes on surface as evidenced by atomic force microscopy (AFM) observations. This paves the road toward magnetic materials and devices made of SCMs profiting of their isolation on surface as individual chains.
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Affiliation(s)
- Felix Houard
- Univ Rennes, INSA Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, Université de Rennes 1, F-35000 Rennes, France.
| | - Guiseppe Cucinotta
- Dipartimento di Chimica "Ugo Schiff" (DICUS), Università degli Studi di Firenze, INSTM Research Unit of Firenze, Via della Lastruccia n.3-13, 50019 Sesto Fiorentino, FI, Italy.
| | - Thierry Guizouarn
- Univ Rennes, INSA Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, Université de Rennes 1, F-35000 Rennes, France.
| | - Yan Suffren
- Univ Rennes, INSA Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, Université de Rennes 1, F-35000 Rennes, France.
| | - Guillaume Calvez
- Univ Rennes, INSA Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, Université de Rennes 1, F-35000 Rennes, France.
| | - Carole Daiguebonne
- Univ Rennes, INSA Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, Université de Rennes 1, F-35000 Rennes, France.
| | - Olivier Guillou
- Univ Rennes, INSA Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, Université de Rennes 1, F-35000 Rennes, France.
| | - Franck Artzner
- CNRS, IPR (Institut de Physique de Rennes), UMR 6251, Université de Rennes 1, F-35000 Rennes, France
| | - Matteo Mannini
- Dipartimento di Chimica "Ugo Schiff" (DICUS), Università degli Studi di Firenze, INSTM Research Unit of Firenze, Via della Lastruccia n.3-13, 50019 Sesto Fiorentino, FI, Italy.
| | - Kevin Bernot
- Univ Rennes, INSA Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, Université de Rennes 1, F-35000 Rennes, France.
- Institut Universitaire de France, 1 rue Descartes, 75005, Paris, France
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Gao M, Li J, Peng N, Jiang L, Zhao S, Fu DY, Li G. Multi-stimuli responsive lanthanides-based luminescent hydrogels for advanced information encryption. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Wu T, Xie M, Huang J, Yan Y. Putting Ink into Polyion Micelles: Full-Color Anticounterfeiting with Water/Organic Solvent Dual Resistance. ACS APPLIED MATERIALS & INTERFACES 2020; 12:39578-39585. [PMID: 32805932 DOI: 10.1021/acsami.0c10355] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Anticounterfeiting paintings are usually with limited colors and easy blurring and need to be dispersed in an environmentally unfriendly organic solvent. We report a set of water-based polyion micellar inks to solve all these problems. Upon complexation of reversible coordination polymers formed with rare earth metal ions Eu3+ and Tb3+ and the aggregation-induced emission ligand tetraphenylethylene-L2EO4 with oppositely charged block polyelectrolyte P2MVP29-b-PEO205, we are able to generate polyion micelles displaying three elementary emission colors of red (R) (ΦEu3+ = 24%), green (G) (ΦTb3+ = 7%), and blue (B) (ΦTPE = 9%). Full-spectrum emission and white light emission (0.34, 0.34) become possible by simply mixing the R, G, and B micelles at the desired fraction. Strikingly, the micellar inks remain stable even after soaking in water or organic solvents (ethyl acetate, ethanol, etc.) for 24 h. We envision that polyion micelles would open a new paradigm in the field of anticounterfeiting.
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Affiliation(s)
- Tongyue Wu
- Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Mengqi Xie
- Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Jianbin Huang
- Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Yun Yan
- Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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8
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Wei Z, Thanneeru S, Margaret Rodriguez E, Weng G, He J. Adaptable Eu-containing polymeric films with dynamic control of mechanical properties in response to moisture. SOFT MATTER 2020; 16:2276-2284. [PMID: 32040125 DOI: 10.1039/c9sm02440a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Self-healing polymers often have a trade-off between healing efficiency and mechanical stiffness. Stiff polymers that sacrifice their chain mobility are slow to repair upon mechanical failure. We herein report adaptable polymer films with dynamically moisture-controlled mechanical and optical properties, therefore having tunable self-healing efficiency. The design of the polymer film is based on the coordination of europium (Eu) with dipicolylamine (DPA)-containing random copolymers of poly(n-butyl acrylate-co-2-hydroxy-3-dipicolylamino methacrylate) (P(nBA-co-GMADPA)). The Eu-DPA complexation results in the formation of mechanically robust polymer films. The coordination of Eu-DPA has proven to be moisture-switchable given the preferential coordination of lanthanide metals to O over N, using nuclear magnetic resonance and fluorescence spectroscopy. Water competing with DPA to bind Eu3+ ions can weaken the cross-linking networks formed by Eu-DPA coordination, leading to the increase of chain mobility. The in situ dynamic mechanical analysis and ex situ rheological studies confirm that the viscofluid and the elastic solid states of Eu-polymers are switchable by moisture. Water speeds up the self-healing of the polymer film by roughly 100 times; while it can be removed after healing to recover the original mechanical stiffness of polymers.
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Affiliation(s)
- Zichao Wei
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269, USA.
| | - Srinivas Thanneeru
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269, USA.
| | | | - Gengsheng Weng
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269, USA. and School of Material Science and Chemical Engineering, Ningbo Key Laboratory of Specialty Polymers, Ningbo University, Ningbo 315211, China.
| | - Jie He
- Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269, USA. and Polymer Program, Institute of Materials Science, University of Connecticut, Storrs, Connecticut 06269, USA
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9
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Zhou Q, Dong X, Yuan J, Zhang B, Lu S, Xiong Y, Liao Y, Wang Q, Yang Y, Wang H. Supramolecular lanthanide metallogels rapidly formed at room temperature and their thermally stable luminescence behavior. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111373] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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10
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Sebastian A, Mahato MK, Prasad E. A mixed ligand approach towards lanthanide-based gels using citric acid as assembler ligand: white light emission and environmental sensing. SOFT MATTER 2019; 15:3407-3417. [PMID: 30938746 DOI: 10.1039/c9sm00153k] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Fine tuning the optical properties of lanthanide-based gels using low molecular weight gelators has several advantages over the polymeric gelator analogues. Herein, we have prepared a lanthanide-based gel using low molecular weight citric acid as the assembler ligand and the optical properties of the gel were fine-tuned, utilizing a mixed ligand approach, enabling white light emission and environmental sensing (pH and temperature). The coligand utilized in the study was 4'-(4-bromophenyl)-2,2':6',2''-terpyridine. The resultant mixed-ligand gel exhibited green and red emissions in the presence of Tb(iii) ions and Eu(iii) ions, respectively. White light emission was achieved, with CIE coordinates (0.33, 0.32), in the bimetallic Tb/Eu metallogel formed by the precise control over Tb/Eu ratio. The correlated color temperature (CCT) for white-light-emitting gel was calculated, and the value of 5473 K suggests that the system generates cool white light. While most of the reported low molecular weight gelators exhibit on-off responses to stimulus at a particular value, the present system is capable of gradually monitoring changes for stimuli such as pH and temperature over a wide range (pH from 4-11 and temperature from 20 to 70 °C). The unique design strategy of the gel and the characteristic physicochemical properties of the lanthanide ions resulted in the unprecedented ability of the system to monitor changes in environmental stimuli over a considerable range.
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Affiliation(s)
- Alphy Sebastian
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India.
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11
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Wu H, Zheng J, Kjøniksen AL, Wang W, Zhang Y, Ma J. Metallogels: Availability, Applicability, and Advanceability. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1806204. [PMID: 30680801 DOI: 10.1002/adma.201806204] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 11/10/2018] [Indexed: 06/09/2023]
Abstract
Introducing metal components into gel matrices provides an effective strategy to develop soft materials with advantageous properties such as: optical activity, conductivity, magnetic response activity, self-healing activity, catalytic activity, etc. In this context, a thorough overview of application-oriented metallogels is provided. Considering that many well-established metallogels start from serendipitous discoveries, insights into the structure-gelation relationship will offer a profound impact on the development of metallogels. Initially, design strategies for discovering new metallogels are discussed, then the advanced applications of metallogels are summarized. Finally, perspectives regarding the design of metallogels, the potential applications of metallogels and their derivative materials are briefly proposed.
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Affiliation(s)
- Huiqiong Wu
- Hunan Provincial Key Laboratory of Chemical Power Sources, College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, China
| | - Jun Zheng
- Hunan Provincial Key Laboratory of Chemical Power Sources, College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, China
| | - Anna-Lena Kjøniksen
- Faculty of Engineering, Østfold University College, P.O. Box 700, 1757, Halden, Norway
| | - Wei Wang
- Department of Chemistry and Center for Pharmacy, University of Bergen, P.O. Box 7803, 5020, Bergen, Norway
| | - Yi Zhang
- Hunan Provincial Key Laboratory of Chemical Power Sources, College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, China
| | - Jianmin Ma
- School of Physics and Electronics, Hunan University, 410082, Changsha, China
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, Zhengzhou University, Zhengzhou, 450002, China
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Niu H, Li X, Li H, Fan Z, Ma J, Guan J. Thermosensitive, fast gelling, photoluminescent, highly flexible, and degradable hydrogels for stem cell delivery. Acta Biomater 2019; 83:96-108. [PMID: 30541703 PMCID: PMC6296825 DOI: 10.1016/j.actbio.2018.10.038] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 10/23/2018] [Accepted: 10/23/2018] [Indexed: 12/30/2022]
Abstract
Stem cell therapy is a promising approach to regenerate ischemic cardiovascular tissues yet experiences low efficacy. One of the major causes is inferior cell retention in tissues. Injectable cell carriers that can quickly solidify upon injection into tissues so as to immediately increase viscosity have potential to largely improve cell retention. A family of injectable, fast gelling, and thermosensitive hydrogels were developed for delivering stem cells into heart and skeletal muscle tissues. The hydrogels were also photoluminescent with low photobleaching, allowing for non-invasively tracking hydrogel biodistribution and retention by fluorescent imaging. The hydrogels were polymerized by N-isopropylacrylamide (NIPAAm), 2-hydroxyethyl methacrylate (HEMA), 1-vinyl-2-pyrrolidinone (VP), and acrylate-oligolactide (AOLA), followed by conjugation with hypericin (HYP). The hydrogel solutions had thermal transition temperatures around room temperature, and were readily injectable at 4 °C. The solutions were able to quickly solidify within 7 s at 37 °C. The formed gels were highly flexible possessing similar moduli as the heart and skeletal muscle tissues. In vitro, hydrogel fluorescence intensity decreased proportionally to weight loss. After being injected into thigh muscles, the hydrogel can be detected by an in vivo imaging system for 4 weeks. The hydrogels showed excellent biocompatibility in vitro and in vivo, and can stimulate mesenchymal stem cell (MSC) proliferation and paracrine effects. The fast gelling hydrogel remarkably increased MSC retention in thigh muscles compared to slow gelling collagen, and non-gelling PBS. These hydrogels have potential to efficiently deliver stem cells into tissues. Hydrogel degradation can be non-invasively and real-time tracked. STATEMENT OF SIGNIFICANCE: Low cell retention in tissues represents one of the major causes for limited therapeutic efficacy in stem cell therapy. A family of injectable, fast gelling, and thermosensitive hydrogels that can quickly solidify upon injection into tissues were developed to improve cell retention. The hydrogels were also photoluminescent, allowing for non-invasively and real-time tracking hydrogel biodistribution and retention by fluorescent imaging.
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Affiliation(s)
- Hong Niu
- Department of Materials Science and Engineering, The Ohio State University, 2041 College Road, Columbus, OH, USA
| | - Xiaofei Li
- Department of Materials Science and Engineering, The Ohio State University, 2041 College Road, Columbus, OH, USA
| | - Haichang Li
- Department of Surgery, The Ohio State University, Columbus, OH 43210, USA
| | - Zhaobo Fan
- Department of Materials Science and Engineering, The Ohio State University, 2041 College Road, Columbus, OH, USA
| | - Jianjie Ma
- Department of Surgery, The Ohio State University, Columbus, OH 43210, USA
| | - Jianjun Guan
- Department of Materials Science and Engineering, The Ohio State University, 2041 College Road, Columbus, OH, USA; Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, St. Louis, MO 63130, USA.
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13
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Wei CW, Wang XJ, Gao SQ, Wen GB, Lin YW. A La 3+-selective metallohydrogel with a facile gelator of a phenylalanine derivative containing an imidazole group. Dalton Trans 2018; 47:13788-13791. [PMID: 30252009 DOI: 10.1039/c8dt03557a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The first La3+-selective metallohydrogel was constructed by using a facile gelator of a phenylalanine derivative containing an imidazole group, N-(1H-imidazol-4-yl)methylidene-l-phenylalanine, namely La-ImF, which exhibits multi-stimuli responsive properties, including to heat, shearing, pH, etc. Various measurements were also carried out to obtain insights into the mechanism of gelation. Moreover, the La-ImF hydrogel can adsorb toxic dyes, making it a potential candidate for sewage treatment.
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Affiliation(s)
- Chuan-Wan Wei
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China.
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14
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Thermal Stability and Luminescent Properties of Tri-cellulose Acetate Composites Containing Dy(SSA) 3Phen Complex. J CHEM-NY 2018. [DOI: 10.1155/2018/8562173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Dysprosium (Dy) ternary complex was prepared using 5-sulfosalicylic acid (SSA) as the first ligand and 1,10-phenanthroline (Phen) as the second ligand, denoted as Dy(SSA)3Phen. The complex was blended with tri-cellulose acetate (TCA) via a cosolvent method to obtain polymer luminescent materials. The composition and structure of the rare-earth complex were characterized by means of elemental analysis, infrared (IR) spectra, and thermogravimetric analysis (TGA). The fluorescence spectra displayed this pure Dy(SSA)3Phen complex, and the TCA/Dy(SSA)3Phen composites all emit blue light. The (90/10) composite possesses fine luminescent properties with quantum yield of 33.5% and thermal stability for potential usage as blue fluorescent materials.
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15
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Li Y, Jiang ZW, Xiao SY, Huang CZ, Li YF. Terbium(III) Organic Gels: Novel Antenna Effect-Induced Enhanced Electrochemiluminescence Emitters. Anal Chem 2018; 90:12191-12197. [DOI: 10.1021/acs.analchem.8b03383] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Yang Li
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Zhong Wei Jiang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Si Yu Xiao
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Cheng Zhi Huang
- College of Pharmaceutical Science, Southwest University, Chongqing 400716, China
| | - Yuan Fang Li
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
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Bejan A, Ailincai D, Simionescu BC, Marin L. Chitosan hydrogelation with a phenothiazine based aldehyde: a synthetic approach toward highly luminescent biomaterials. Polym Chem 2018. [DOI: 10.1039/c7py01678f] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Hydrogelation of chitosan with a photoactive aldehyde via covalent dynamic chemistry proved an original approach towards efficient luminescent biomaterials.
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Affiliation(s)
- Andrei Bejan
- “Petru Poni” Institute of Macromolecular Chemistry
- Romanian Academy
- 700487 Iasi
- Romania
| | - Daniela Ailincai
- “Petru Poni” Institute of Macromolecular Chemistry
- Romanian Academy
- 700487 Iasi
- Romania
| | - Bogdan C. Simionescu
- “Petru Poni” Institute of Macromolecular Chemistry
- Romanian Academy
- 700487 Iasi
- Romania
- Department of Synthetic and Natural Polymers
| | - Luminita Marin
- “Petru Poni” Institute of Macromolecular Chemistry
- Romanian Academy
- 700487 Iasi
- Romania
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