51
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Open chain pseudopeptides as hydrogelators with reversible and dynamic responsiveness to pH, temperature and sonication as vehicles for controlled drug delivery. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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52
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Chen XW, Li XX, Ma CG, Wan ZL, Sun SD. Structuring of Edible Liquid Oil into Smart Thermo-Triggered Soft Matters for Controlled Bioactive Delivery. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:309-318. [PMID: 34958201 DOI: 10.1021/acs.jafc.1c03780] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Growing interest is being dedicated to smart soft matters because of their potential in controlling bioactives upon exposure to an appropriate stimulus. Herein, structuring of edible liquid oil into oleogels and emulgels as smart thermo-triggered soft vehicles for controllable release of diverse nutrients was developed. Edible liquid oil was trapped inside the crystal network structure of phytosterols and monoglycerides resulting in bicomponent solidlike oleogels. Subsequently, both water-in-oleogel (W/O) emulgels and glycerol-in-oleogel (G/O) emulgels were further fabricated by spatial distribution of the stabilizing interfacial crystals around dispersed droplets as well as the network crystals in the continuous phase. Rheological measurements showed that the gel strength of the oleogel-based emulgels depends on the fraction of the aqueous phase and is greater than that of corresponding oleogels due to a filler effect of dispersed aqueous droplets within the crystal network, offering an additional strategy to tune the structure and rheology. Comparatively, introducing glycerol endowed a higher gel strength for the oleogel-based emulgels than water, particularly at increased filler loads. In addition, these soft matters exhibited interesting thermoresponsive nature, which exhibit the flexibility for programmed release of coencapsulated bioactive components upon exposure to an appropriate thermal triggered switchable. The resulted smart thermo-triggered soft matters have emerging opportunities for application in functional active ingredient delivery by on-demand strategies.
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Affiliation(s)
- Xiao-Wei Chen
- Lipid Technology and Engineering, College of Food Science and Engineering, Engineering Technology Research Center for Grain & Oil Food, State Administration of Grain, Henan University of Technology, Zhengzhou 450001, P. R China
| | - Xiao-Xiao Li
- Lipid Technology and Engineering, College of Food Science and Engineering, Engineering Technology Research Center for Grain & Oil Food, State Administration of Grain, Henan University of Technology, Zhengzhou 450001, P. R China
| | - Chuan-Guo Ma
- Lipid Technology and Engineering, College of Food Science and Engineering, Engineering Technology Research Center for Grain & Oil Food, State Administration of Grain, Henan University of Technology, Zhengzhou 450001, P. R China
| | - Zhi-Li Wan
- Laboratory of Food Proteins and Colloids, Engineering Technology Research Center for Grain & Oil Food, State Administration of Grain, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, P. R China
| | - Shang-De Sun
- Lipid Technology and Engineering, College of Food Science and Engineering, Engineering Technology Research Center for Grain & Oil Food, State Administration of Grain, Henan University of Technology, Zhengzhou 450001, P. R China
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53
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Hiew SH, Wang JK, Koh K, Yang H, Bacha A, Lin J, Yip YS, Vos MIG, Chen L, Sobota RM, Tan NS, Tay CY, Miserez A. Bioinspired short peptide hydrogel for versatile encapsulation and controlled release of growth factor therapeutics. Acta Biomater 2021; 136:111-123. [PMID: 34551327 DOI: 10.1016/j.actbio.2021.09.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 09/14/2021] [Accepted: 09/14/2021] [Indexed: 12/17/2022]
Abstract
A short bioinspired octapeptide, GV8, can self-assemble under mild conditions into biodegradable supramolecular physical hydrogels with high storage modulus and good biocompatibility. GV8 hydrogels can encapsulate both single or multiple macromolecular protein-based therapeutics in a simple one-pot formulation manner, making it a promising candidate to address challenges faced by existing synthetic polymer or peptide hydrogels with complex gelation and drug-encapsulation processes. Alongside its versatility, the hydrogel exhibits concentration-dependent storage modulus and controlled drug-release action. We demonstrate that GV8 hydrogels loaded with adipose-derived mesenchymal stem cells (ADMSC) secretome remain mechanically robust, and exhibit promising potential for wound healing applications by preserving secretome activity while maintaining a constant supply of ADMSC secretome to promote epithelial cell migration. Overall, our work highlights the potential of GV8 peptide hydrogel as a versatile and safe carrier for encapsulation and delivery of macromolecular therapeutics. STATEMENT OF SIGNIFICANCE: Supramolecular peptide hydrogels are a popular choice for protein-based macromolecular therapeutics delivery; however, despite the development of abundant hydrogel systems, several challenges limit their adaptability and practical applications. GV8 short peptide hydrogel circumvents these drawbacks and demonstrates the ability to function as a versatile growth factor (GF) encapsulant. It can encapsulate precise concentrations of complex adipose-derived mesenchymal stem cells secretome mixtures with a one-pot formulation approach and perform controlled release of GFs with preserved activity without compromising the self-assembly and mechanical properties of the hydrogel's supramolecular network. The significance of GV8 hydrogel lies in its gelation simplicity and versatility to encapsulate and deliver macromolecular therapeutics, thus representing a promising biomaterial for regenerative medicine applications.
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Affiliation(s)
- Shu Hui Hiew
- Center for Sustainable Materials (SusMat), School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798.
| | - Jun Kit Wang
- Center for Sustainable Materials (SusMat), School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798
| | - Kenrick Koh
- Center for Sustainable Materials (SusMat), School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798; NTU Institute for Health Technologies, Interdisciplinary Graduate Programme, Nanyang Technological University, Singapore, 637335
| | - Haibo Yang
- Center for Sustainable Materials (SusMat), School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798
| | - Abbas Bacha
- Center for Sustainable Materials (SusMat), School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798
| | - Junquan Lin
- Center for Sustainable Materials (SusMat), School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798
| | - Yun Sheng Yip
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, 308232
| | | | - Liyan Chen
- Functional Proteomics Laboratory, SingMass National Laboratory, Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A(∗)STAR), Singapore, 138673
| | - Radoslaw M Sobota
- Functional Proteomics Laboratory, SingMass National Laboratory, Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A(∗)STAR), Singapore, 138673; Bioinformatics Institute, Agency for Science, Technology and Research (A(∗)STAR), Singapore, 138671
| | - Nguan Soon Tan
- School of Biological Sciences, Nanyang Technological University, Singapore, 637551; Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, 308232
| | - Chor Yong Tay
- Center for Sustainable Materials (SusMat), School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798; School of Biological Sciences, Nanyang Technological University, Singapore, 637551; Environmental Chemistry and Materials Centre, Nanyang Environment & Water Research Institute, Singapore, 637141.
| | - Ali Miserez
- Center for Sustainable Materials (SusMat), School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798; School of Biological Sciences, Nanyang Technological University, Singapore, 637551.
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54
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Cao X, Han Q, Wang Q, Gao A, Ge XF, Yu X, Wang G. Fluorescent naphthalimide-based supramolecular gel system for detection phosgene, sulfoxide chloride and oxalyl dichloride. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127480] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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55
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Piras CC, Patterson AK, Smith DK. Hybrid Self-Assembled Gel Beads for Tuneable pH-Controlled Rosuvastatin Delivery. Chemistry 2021; 27:13203-13210. [PMID: 34346527 PMCID: PMC8519141 DOI: 10.1002/chem.202101405] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Indexed: 12/11/2022]
Abstract
This article describes the fabrication of new pH-responsive hybrid gel beads combining the polymer gelator calcium alginate with two different low-molecular-weight gelators (LMWGs) based on 1,3 : 2,4-dibenzylidene-d-sorbitol: pH-responsive DBS-COOH and thermally responsive DBS-CONHNH2 , thus clearly demonstrating that different classes of LMWG can be fabricated into gel beads by using this approach. We also demonstrate that self-assembled multicomponent gel beads can be formed by using different combinations of these gelators. The different gel bead formulations exhibit different responsiveness - the DBS-COOH network can disassemble within those beads in which it is present upon raising the pH. To exemplify preliminary data for a potential application for these hybrid gel beads, we explored aspects of the delivery of the lipid-lowering active pharmaceutical ingredient (API) rosuvastatin. The release profile of this statin from the hybrid gel beads is pH-dependent, with greater release at pH 7.4 than at pH 4.0 - primary control of this process results from the pKa of the API. The extent of pH-mediated API release is also significantly further modified according to gel bead composition. The DBS-COOH/alginate beads show rapid, highly effective drug release at pH 7.4, whereas the three-component DBS-COOH/DBS-CONHNH2 /alginate system shows controlled slow release of the API under the same conditions. These initial results indicate that such gel beads constitute a promising, versatile and easily tuned platform suitable for further development for controlled drug-delivery applications.
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Affiliation(s)
- Carmen C. Piras
- Department of ChemistryUniversity of YorkHeslington, YorkYO10 5DDUK
| | | | - David K. Smith
- Department of ChemistryUniversity of YorkHeslington, YorkYO10 5DDUK
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56
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Supramolecular hydrogelation via host-guest anion recognition: Lamellar hydrogel materials for the release of cationic cargo. Chem 2021. [DOI: 10.1016/j.chempr.2021.06.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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57
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Ghasemi A, Akbari E, Imani R. An Overview of Engineered Hydrogel-Based Biomaterials for Improved β-Cell Survival and Insulin Secretion. Front Bioeng Biotechnol 2021; 9:662084. [PMID: 34513805 PMCID: PMC8427138 DOI: 10.3389/fbioe.2021.662084] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 07/16/2021] [Indexed: 12/28/2022] Open
Abstract
Islet transplantation provides a promising strategy in treating type 1 diabetes as an autoimmune disease, in which damaged β-cells are replaced with new islets in a minimally invasive procedure. Although islet transplantation avoids the complications associated with whole pancreas transplantations, its clinical applications maintain significant drawbacks, including long-term immunosuppression, a lack of compatible donors, and blood-mediated inflammatory responses. Biomaterial-assisted islet transplantation is an emerging technology that embeds desired cells into biomaterials, which are then directly transplanted into the patient, overcoming the aforementioned challenges. Among various biomaterials, hydrogels are the preferred biomaterial of choice in these transplants due to their ECM-like structure and tunable properties. This review aims to present a comprehensive overview of hydrogel-based biomaterials that are engineered for encapsulation of insulin-secreting cells, focusing on new hydrogel design and modification strategies to improve β-cell viability, decrease inflammatory responses, and enhance insulin secretion. We will discuss the current status of clinical studies using therapeutic bioengineering hydrogels in insulin release and prospective approaches.
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Affiliation(s)
| | | | - Rana Imani
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
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58
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Genio FAF, Paderes MC. Functional Supramolecular Gels Comprised of Bis‐Urea Compounds and Cosmetic Solvents. ChemistrySelect 2021. [DOI: 10.1002/slct.202102367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Frances Abygail F. Genio
- Institute of Chemistry University of the Philippines Diliman Quezon City 1101 Philippines
- Natural Sciences Research Institute University of the Philippines Diliman Quezon City 1101 Philippines
| | - Monissa C. Paderes
- Institute of Chemistry University of the Philippines Diliman Quezon City 1101 Philippines
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59
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Skopinska-Wisniewska J, De la Flor S, Kozlowska J. From Supramolecular Hydrogels to Multifunctional Carriers for Biologically Active Substances. Int J Mol Sci 2021; 22:7402. [PMID: 34299020 PMCID: PMC8307912 DOI: 10.3390/ijms22147402] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 07/05/2021] [Accepted: 07/07/2021] [Indexed: 01/04/2023] Open
Abstract
Supramolecular hydrogels are 3D, elastic, water-swelled materials that are held together by reversible, non-covalent interactions, such as hydrogen bonds, hydrophobic, ionic, host-guest interactions, and metal-ligand coordination. These interactions determine the hydrogels' unique properties: mechanical strength; stretchability; injectability; ability to self-heal; shear-thinning; and sensitivity to stimuli, e.g., pH, temperature, the presence of ions, and other chemical substances. For this reason, supramolecular hydrogels have attracted considerable attention as carriers for active substance delivery systems. In this paper, we focused on the various types of non-covalent interactions. The hydrogen bonds, hydrophobic, ionic, coordination, and host-guest interactions between hydrogel components have been described. We also provided an overview of the recent studies on supramolecular hydrogel applications, such as cancer therapy, anti-inflammatory gels, antimicrobial activity, controlled gene drug delivery, and tissue engineering.
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Affiliation(s)
| | - Silvia De la Flor
- Department of Mechanical Engineering, Universitat Rovira i Virgili, Av. Països Catalans 26, 43007 Tarragona, Spain;
| | - Justyna Kozlowska
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarin 7, 87-100 Torun, Poland;
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60
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Wang JT, Rodrigo AC, Patterson AK, Hawkins K, Aly MMS, Sun J, Al Jamal KT, Smith DK. Enhanced Delivery of Neuroactive Drugs via Nasal Delivery with a Self-Healing Supramolecular Gel. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2101058. [PMID: 34029010 PMCID: PMC8292877 DOI: 10.1002/advs.202101058] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/19/2021] [Indexed: 05/04/2023]
Abstract
This paper reports the use of a self-assembling hydrogel as a delivery vehicle for the Parkinson's disease drug l-DOPA. Based on a two-component combination of an l-glutamine amide derivative and benzaldehyde, this gel has very soft rheological properties and self-healing characteristics. It is demonstrated that the gel can be formulated to encapsulate l-DOPA. These drug-loaded gels are characterized, and rapid release of the drug is obtained from the gel network. This drug-loaded hydrogel has appropriate rheological characteristics to be amenable for injection. This system is therefore tested as a vehicle for nasal delivery of neurologically-active drugs-a drug delivery strategy that can potentially avoid first pass liver metabolism and bypass the blood-brain barrier, hence enhancing brain uptake. In vitro tests indicate that the gel has biocompatibility with respect to nasal epithelial cells. Furthermore, animal studies demonstrate that the nasal delivery of a gel loaded with 3 H-labeled l-DOPA out-performed a simple intranasal l-DOPA solution. This is attributed to longer residence times of the gel in the nasal cavity resulting in increased blood and brain concentrations. It is demonstrated that the likely routes of brain penetration of intranasally-delivered l-DOPA gel involve the trigeminal and olfactory nerves connecting to other brain regions.
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Affiliation(s)
- Julie Tzu‐Wen Wang
- Institute of Pharmaceutical Science, School of Cancer and Pharmaceutical Sciences, Faculty of Life Science and MedicineKing's College London150 Stamford streetLondonSE1 9NHUK
| | - Ana C. Rodrigo
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
| | | | - Kirsten Hawkins
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
| | - Mazen M. S. Aly
- Institute of Pharmaceutical Science, School of Cancer and Pharmaceutical Sciences, Faculty of Life Science and MedicineKing's College London150 Stamford streetLondonSE1 9NHUK
| | - Jia Sun
- Institute of Pharmaceutical Science, School of Cancer and Pharmaceutical Sciences, Faculty of Life Science and MedicineKing's College London150 Stamford streetLondonSE1 9NHUK
| | - Khuloud T. Al Jamal
- Institute of Pharmaceutical Science, School of Cancer and Pharmaceutical Sciences, Faculty of Life Science and MedicineKing's College London150 Stamford streetLondonSE1 9NHUK
| | - David K. Smith
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
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61
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Cao X, Gao A, Hou JT, Yi T. Fluorescent supramolecular self-assembly gels and their application as sensors: A review. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213792] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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62
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Patterson AK, Smith DK. Two-component supramolecular hydrogel for controlled drug release. Chem Commun (Camb) 2021; 56:11046-11049. [PMID: 32810197 DOI: 10.1039/d0cc03962d] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A hybrid gel has been developed by combining two supramolecular gelators. Each gelator endows the hybrid gel with its own characteristics. One gelator enables pH-mediated controlled release of the active pharmaceutical ingredient naproxen, while the other new gelator enhances mechanical stability. Self-assembly thus gives multi-functional gels with potential applications.
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Affiliation(s)
- Anna K Patterson
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK.
| | - David K Smith
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK.
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63
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Lim J, Choi G, Joo KI, Cha HJ, Kim J. Embolization of Vascular Malformations via In Situ Photocrosslinking of Mechanically Reinforced Alginate Microfibers using an Optical-Fiber-Integrated Microfluidic Device. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2006759. [PMID: 33543521 DOI: 10.1002/adma.202006759] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/12/2020] [Indexed: 06/12/2023]
Abstract
Embolization, which is a minimally invasive endovascular treatment, is a safe and effective procedure for treating vascular malformations (e.g., aneurysms). Hydrogel microfibers obtained via spatiotemporally controllable in situ photocrosslinking exhibit great potential for embolizing aneurysms. However, this process is challenging because of the absence of biocompatible and morphologically stable hydrogels and the difficulty in continuously spinning the microfibers via in situ photocrosslinking in extreme endovascular environments such as those involving a tortuous geometry and high absorbance. A double-crosslinked alginate-based hydrogel with tantalum nanopowder (DAT) that exploits the synergistic effect of covalent crosslinking by visible-light irradiation and ionic crosslinking using Ca2+ , which is present in the blood, is developed in this study. Furthermore, an effective strategy to design and produce an optical-fiber-integrated microfluidic device (OFI-MD) that can continuously spin hydrogel microfibers via in situ photocrosslinking in extreme endovascular environments is proposed. As an embolic material, DAT exhibits promising characteristics such as radiopacity, nondissociation, nonswelling, and constant mechanical strength in blood, in addition to excellent cyto- and hemo-compatibilities. Using OFI-MD to spin DAT microfibers continuously can help fill aneurysms safely, uniformly, and completely within the endovascular simulator without generating microscopic fragments, which demonstrates its potential as an effective embolization strategy.
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Affiliation(s)
- Jongkyeong Lim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Geunho Choi
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Kye Il Joo
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Hyung Joon Cha
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Republic of Korea
| | - Joonwon Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk, 37673, Republic of Korea
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64
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The biomedical significance of multifunctional nanobiomaterials: The key components for site-specific delivery of therapeutics. Life Sci 2021; 277:119400. [PMID: 33794255 DOI: 10.1016/j.lfs.2021.119400] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/08/2021] [Accepted: 03/13/2021] [Indexed: 01/07/2023]
Abstract
The emergence of nanotechnology has provided the possibilities to overcome the potential problems associated with the development of pharmaceuticals including the low solubility, non-specific cellular uptake or action, and rapid clearance. Regarding the biomaterials (BMs), huge efforts have been made for improving their multi-functionalities via incorporation of various nanomaterials (NMs). Nanocomposite hydrogels with suitable properties could exhibit a variety of beneficial effects in biomedicine particularly in the delivery of therapeutics or tissue engineering. NMs including the silica- or carbon-based ones are capable of integration into various BMs that might be due to their special compositions or properties such as the hydrophilicity, hydrophobicity, magnetic or electrical characteristics, and responsiveness to various stimuli. This might provide multi-functional nanobiomaterials against a wide variety of disorders. Meanwhile, inappropriate distribution or penetration into the cells or tissues, bio-nano interface complexity, targeting ability loss, or any other unpredicted phenomena are the serious challenging issues. Computational simulations and models enable development of NMs with optimal characteristics and provide a deeper knowledge of NM interaction with biosystems. This review highlights the biomedical significance of the multifunctional NMs particularly those applied for the development of 2-D or 3-D BMs for a variety of applications including the site-specific delivery of therapeutics. The powerful impacts of the computational techniques on the design process of NMs, quantitation and prediction of protein corona formation, risk assessment, and individualized therapy for improved therapeutic outcomes have also been discussed.
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65
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Geng S, Liu X, Ma H, Liu B, Liang G. Multi-scale stabilization mechanism of pickering emulsion gels based on dihydromyricetin/high-amylose corn starch composite particles. Food Chem 2021; 355:129660. [PMID: 33799246 DOI: 10.1016/j.foodchem.2021.129660] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 03/10/2021] [Accepted: 03/17/2021] [Indexed: 01/20/2023]
Abstract
For Pickering emulsifying effect, starch must be subjected to the pretreatments of acid hydrolysis, esterification, which are complicated and eco-unfriendly. In this study, a practical and green strategyto fabricate Pickering emulsion gels with dihydromyricetin (DMY)/high-amylose corn starch (HCS) composite particles was introduced for the first time. The DMY content in composite particles and the amount of addition of composite particles had obvious synergistic effect on the formation and properties of emulsion gels. The obtained emulsion gels were not sensitive to ionic strength, which could be attributed to emulsifying capacity and viscosity effect of composite particles. The spectral analysis confirmed the presence of DMY/amylose host-guest supramolecules. The molecular simulation of the supramolecular complexes in the oil-water system indicated that these complexes could spontaneously aggregate and anchor to the oil-water interface, reducing the interfacial tension. Based on experimental and theoretical results, the multi-scale relationship of "molecular interaction-particle characteristics-gel properties" was established.
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Affiliation(s)
- Sheng Geng
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400044, China
| | - Xiaoling Liu
- School of Food Science, Henan Institute of Science and Technology, Xinxiang 453003, China
| | - Hanjun Ma
- School of Food Science, Henan Institute of Science and Technology, Xinxiang 453003, China
| | - Benguo Liu
- School of Food Science, Henan Institute of Science and Technology, Xinxiang 453003, China.
| | - Guizhao Liang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400044, China.
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66
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Liao L, Jia X, Lou H, Zhong J, Liu H, Ding S, Chen C, Hong S, Luo X. Supramolecular gel formation regulated by water content in organic solvents: self-assembly mechanism and biomedical applications. RSC Adv 2021; 11:11519-11528. [PMID: 35423629 PMCID: PMC8695936 DOI: 10.1039/d1ra00647a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/02/2021] [Indexed: 12/11/2022] Open
Abstract
As one of the most important and fruitful methods, supramolecular self-assembly has a significant advantage in designing and fabricating functional soft materials with various nanostructures. In this research, a low-molecular-weight gelator, N,N'-di(pyridin-4-yl)-pyridine-3,5-dicarboxamide (PDA-N4), was synthesized and used to construct self-assembled gels via a solvent-mediated strategy. It was found that PDA-N4 could form supramolecular gels in mixed solvents of water and DMSO (or DMF) at high water fraction (greater than or equal to 50%). By decreasing the water fraction from 50% to 30%, the gel, suspension and solution phases appeared successively, indicating that self-assembled aggregates could be efficiently modulated via water content in organic solvents. Moreover, the as-prepared PDA-N4 supramolecular gels not only displayed solid-like behavior, and pH- and thermo-reversible characteristics, but also showed a solution-gel-crystal transition with the extension of aging time. Further analyses suggested that both the crystal and gel had similar assembled structures. The intermolecular hydrogen bonding between amide groups and the π-π stacking interactions between pyridine groups played key roles in gel formation. Additionally, the release behavior of vitamin B12 (VB12) from PDA-N4 gel (H2O/DMSO, v/v = 90/10) was evaluated, and the drug controlled release process was consistent with a first-order release mechanism. The human umbilical venous endothelial cell culture results showed that the PDA-N4 xerogel has good cytocompatibility, which implied that the gels have potential biological application in tissue engineering and controlled drug release.
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Affiliation(s)
- Lieqiang Liao
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, College of Chemistry, Nanchang University Nanchang 330031 P. R. China
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Gannan Normal University Ganzhou 341000 P. R. China
| | - Xinjian Jia
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Gannan Normal University Ganzhou 341000 P. R. China
| | - Haoxiang Lou
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Gannan Normal University Ganzhou 341000 P. R. China
| | - Jinlian Zhong
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Gannan Normal University Ganzhou 341000 P. R. China
| | - Huijin Liu
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Gannan Normal University Ganzhou 341000 P. R. China
| | - Shunming Ding
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, College of Chemistry, Nanchang University Nanchang 330031 P. R. China
| | - Chao Chen
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, College of Chemistry, Nanchang University Nanchang 330031 P. R. China
| | - Sanguo Hong
- Key Laboratory of Jiangxi Province for Environment and Energy Catalysis, College of Chemistry, Nanchang University Nanchang 330031 P. R. China
| | - Xuzhong Luo
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, College of Chemistry and Chemical Engineering, Gannan Normal University Ganzhou 341000 P. R. China
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67
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Wei Q, Bai J, Wang H, Ma G, Li X, Zhang W, Hu Z. Photo-induced programmable degradation of carboxymethyl chitosan-based hydrogels. Carbohydr Polym 2021; 256:117609. [PMID: 33483085 DOI: 10.1016/j.carbpol.2020.117609] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 11/16/2020] [Accepted: 12/30/2020] [Indexed: 12/16/2022]
Abstract
Hydrogels are widely used in the biomedical field, due to their high similarity to native extracellular matrix (ECM). Most responsive hydrogels could only passively receive stimuli and independently change their properties. In this study, a photosensitive o-nitrobenzyl (NB) ester linker of polyethylene glycol (PEG) with maleimido (Mal) as terminal groups (PEG-NB-Mal) and a 5-methylfurfuryl (mF) grafted carboxymethyl chitosan (CMCS) derivative (CMCS-mF) were synthesized and used to prepare functional hydrogels via Diels-Alder (DA) reactions. The hydrogel exhibited programmable degradation properties after sequential exposure to UV light and acid treatments. It can maintain high integrity upon the single stimuli, the cascade acid and UV light treatments or the cascade UV light and alkaline treatments. Moreover, the hydrogel exhibited well controlled release profile of rhodamine B (RB). In summary, such CMCS-based hydrogels show great potential in biomedical applications. In addition, the usage of photo-induced cascade reaction in sequential degradation hydrogels can be extended to design other types of programmable smart materials.
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Affiliation(s)
- Qingcong Wei
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Laboratory of Chemical Pharmaceutical and Biomedical Materials, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China.
| | - Jiahao Bai
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Laboratory of Chemical Pharmaceutical and Biomedical Materials, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Huan Wang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Laboratory of Chemical Pharmaceutical and Biomedical Materials, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Guanglei Ma
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Laboratory of Chemical Pharmaceutical and Biomedical Materials, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xinjuan Li
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Laboratory of Chemical Pharmaceutical and Biomedical Materials, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Weiwei Zhang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Laboratory of Chemical Pharmaceutical and Biomedical Materials, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China.
| | - Zhiguo Hu
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Engineering Laboratory of Chemical Pharmaceutical and Biomedical Materials, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China.
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68
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Rangel Euzcateguy G, Parajua‐Sejil C, Marchal P, Chapron D, Averlant‐Petit M, Stefan L, Pickaert G, Durand A. Rheological investigation of supramolecular physical gels in water/dimethylsulfoxide mixtures by lysine derivatives. POLYM INT 2021. [DOI: 10.1002/pi.6179] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
| | | | | | - David Chapron
- Université de Lorraine, CentraleSupélec, LMOPS Metz France
| | | | - Loïc Stefan
- Université de Lorraine, CNRS, LCPM Nancy France
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69
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Cao X, Han Q, Liu J, Wang G, Gao A. Tunable effect of number of middle benzene unit on supramolecular self-assembly system with AIE behavior. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125721] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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70
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Kurbasic M, Parisi E, Garcia AM, Marchesan S. Self-Assembling, Ultrashort Peptide Gels as Antimicrobial Biomaterials. Curr Top Med Chem 2021; 20:1300-1309. [PMID: 32178611 DOI: 10.2174/1568026620666200316150221] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 02/09/2020] [Accepted: 02/17/2020] [Indexed: 12/25/2022]
Abstract
Supramolecular antimicrobial hydrogels based on peptides are attractive soft materials for the treatment of infections, considering their ease of preparation and benign fate in biological settings and in the environment. In particular, stimuli-responsive systems that can be assembled/disassembled ad hoc could offer the opportunity to switch on/off their bioactivity as needed. Besides, the shorter is the peptide, the lower its cost of production. However, a structure-to-function relationship is yet to be defined and reported activities are generally not yet competitive relative to traditional antibiotics. Inspiration for their design can be found in host defense peptides (HDPs), which can self-assemble to exert their function. This article reviews research developments in this emerging area, and it examines features, differences and similarities between antimicrobial and amyloid peptides to open the avenue towards the next generation of supramolecular antimicrobial peptides as innovative therapeutic materials.
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Affiliation(s)
- Marina Kurbasic
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, Italy
| | - Evelina Parisi
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, Italy
| | - Ana M Garcia
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, Italy
| | - Silvia Marchesan
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, Italy
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71
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Martí-Centelles R, Dolz-Pérez I, De la O J, Ontoria-Oviedo I, Sepúlveda P, Nebot VJ, Vicent MJ, Escuder B. Two-Component Peptidic Molecular Gels for Topical Drug Delivery of Naproxen. ACS APPLIED BIO MATERIALS 2021. [DOI: 10.1021/acsabm.0c01422] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Rosa Martí-Centelles
- Departament de Química Inorgànica i Orgànica, Universitat Jaume I, Castelló 12071, Spain
| | - Irene Dolz-Pérez
- Polymer Therapeutics Laboratory, Centro de Investigación Príncipe Felipe, Valencia 46012, Spain
| | - Jaciel De la O
- Polypeptide Therapeutic Solutions S.L., 46980 Paterna, Spain
| | - Imelda Ontoria-Oviedo
- Regenerative Medicine and Heart Transplantation Unit, Instituto de Investigación Sanitaria La Fe, Valencia 46026, Spain
| | - Pilar Sepúlveda
- Regenerative Medicine and Heart Transplantation Unit, Instituto de Investigación Sanitaria La Fe, Valencia 46026, Spain
| | - Vicent J. Nebot
- Polypeptide Therapeutic Solutions S.L., 46980 Paterna, Spain
| | - Maria J. Vicent
- Polymer Therapeutics Laboratory, Centro de Investigación Príncipe Felipe, Valencia 46012, Spain
| | - Beatriu Escuder
- Departament de Química Inorgànica i Orgànica, Universitat Jaume I, Castelló 12071, Spain
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72
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Liu X, Sun X, Liang G. Peptide-based supramolecular hydrogels for bioimaging applications. Biomater Sci 2021; 9:315-327. [DOI: 10.1039/d0bm01020k] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Peptide-based supramolecular hydrogels have unique merits in bioimaging applications.
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Affiliation(s)
- Xiaoyang Liu
- State Key Laboratory of Bioelectronics
- School of Biological Science and Medical Engineering
- Southeast University
- Nanjing
- China
| | - Xianbao Sun
- State Key Laboratory of Bioelectronics
- School of Biological Science and Medical Engineering
- Southeast University
- Nanjing
- China
| | - Gaolin Liang
- State Key Laboratory of Bioelectronics
- School of Biological Science and Medical Engineering
- Southeast University
- Nanjing
- China
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73
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Yadav E, Khatana AK, Sebastian S, Gupta MK. DAP derived fatty acid amide organogelators as novel carrier for drug incorporation and pH-responsive release. NEW J CHEM 2021. [DOI: 10.1039/d0nj04611f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Low-molecular mass fatty acid amide gelators were synthesized using 2,6-diaminopyridine as a linker and alkyl chains of varying lengths. The prepared organogel-elusions are able to trap and release ibuprofen molecule without changing its structure and activity.
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Affiliation(s)
- Eqvinshi Yadav
- Department of Chemistry
- School of Basic Sciences
- Central University of Haryana
- Haryana
- India
| | - Anil Kumar Khatana
- Department of Chemistry
- School of Basic Sciences
- Central University of Haryana
- Haryana
- India
| | - Sharol Sebastian
- Department of Chemistry
- School of Basic Sciences
- Central University of Haryana
- Haryana
- India
| | - Manoj K. Gupta
- Department of Chemistry
- School of Basic Sciences
- Central University of Haryana
- Haryana
- India
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74
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Kim S, Lee M. Rational design of hydrogels to enhance osteogenic potential. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2020; 32:9508-9530. [PMID: 33551566 PMCID: PMC7857485 DOI: 10.1021/acs.chemmater.0c03018] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Bone tissue engineering (BTE) encompasses the field of biomaterials, cells, and bioactive molecules to successfully guide the growth and repair of bone tissue. Current BTE strategies rely on delivering osteogenic molecules or cells via scaffolding materials. However, growth factor- and stem cell-based treatments have several limitations, such as source restriction, low stability, difficulties in predicting long-term efficacy, and high costs, among others. These issues have promoted the development of material-based therapy with properties of accessibility, high stability, tunable efficacy, and low-cost production. Hydrogels are widely used in BTE applications because of their unique hydrophilic nature and tunable physicochemical properties to mimic the native bone environment. However, current hydrogel materials are not ideal candidates due to minimal osteogenic capability on their own. Therefore, recent studies of BTE hydrogels attempt to counterbalance these issues by modifying their biophysical properties. In this article, we review recent progress in the design of hydrogels to instruct osteogenic potential, and present strategies developed to precisely control its bone healing properties.
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Affiliation(s)
- Soyon Kim
- Division of Advanced Prosthodontics, University of California, Los Angeles, USA
| | - Min Lee
- Division of Advanced Prosthodontics, University of California, Los Angeles, USA
- Department of Bioengineering, University of California, Los Angeles, USA
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75
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Quigley E, Johnson J, Liyanage W, Nilsson BL. Impact of gelation method on thixotropic properties of phenylalanine-derived supramolecular hydrogels. SOFT MATTER 2020; 16:10158-10168. [PMID: 33035281 DOI: 10.1039/d0sm01217c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Supramolecular hydrogels formed by noncovalent self-assembly of low molecular weight (LMW) agents are promising next-generation biomaterials. Thixotropic shear response and mechanical stability are two emergent properties of hydrogels that are critical for biomedical applications including drug delivery and tissue engineering in which injection of the hydrogel will be necessary. Herein, we demonstrate that the emergent thixotropic properties of supramolecular phenylalanine-derived hydrogels are dependent on the conditions in which they are formulated. Specifically, hydrogels formed from fluorenylmethoxycarbonyl (Fmoc) modified phenylalanine derivatives, 3-fluorophenylalanine (Fmoc-3F-Phe) and pentafluorophenylalanine (Fmoc-F5-Phe), were characterized as a function of gelation conditions to examine how shear response and mechanical stability properties correlate to mode of gelation. Two distinct methods of gelation were compared. First, spontaneous self-assembly and gelation was triggered by a solvent exchange method in which a concentrated solution of the gelator in dimethylsulfoxide was diluted in water. Second, gelation was promoted by dissolution of the gelator in water at basic pH followed by gradual pH adjustment from basic to mildly acidic by the hydrolysis of glucono-delta-lactone. Hydrogels formed under solvent exchange conditions were mechanically unstable and poorly shear-responsive whereas hydrogels formed by gradual acidification were temporally stable and had highly shear-responsive viscoelastic character. These studies confirm that gelation environment and mechanism have a significant influence on the emergent properties of supramolecular hydrogels and offer insight into how gelation conditions can be used to tune hydrogel properties for specific applications.
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Affiliation(s)
- Elena Quigley
- Department of Chemistry, University of Rochester, Rochester, NY 14627-0216, USA.
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76
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Puiggalí-Jou A, Cazorla E, Ruano G, Babeli I, Ginebra MP, García-Torres J, Alemán C. Electroresponsive Alginate-Based Hydrogels for Controlled Release of Hydrophobic Drugs. ACS Biomater Sci Eng 2020; 6:6228-6240. [PMID: 33449669 DOI: 10.1021/acsbiomaterials.0c01400] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Stimuli-responsive biomaterials have attracted significant attention for the construction of on-demand drug release systems. The possibility of using external stimulation to trigger drug release is particularly enticing for hydrophobic compounds, which are not easily released by simple diffusion. In this work, an electrochemically active hydrogel, which has been prepared by gelling a mixture of poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) and alginate (Alg), has been loaded with curcumin (CUR), a hydrophobic drug with a wide spectrum of clinical applications. The PEDOT/Alg hydrogel is electrochemically active and organizes as segregated PEDOT- and Alg-rich domains, explaining its behavior as an electroresponsive drug delivery system. When loaded with CUR, the hydrogel demonstrates a controlled drug release upon application of a negative electrical voltage. Comparison with the release profiles obtained applying a positive voltage and in the absence of electrical stimuli indicates that the release mechanism dominating this system is complex because of not only the intermolecular interactions between the drug and the polymeric network but also the loading of a hydrophobic drug in a water-containing delivery system.
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Affiliation(s)
- Anna Puiggalí-Jou
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany, 10-14, Barcelona 08019, Spain.,Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona 08930, Spain
| | - Eric Cazorla
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany, 10-14, Barcelona 08019, Spain
| | - Guillem Ruano
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany, 10-14, Barcelona 08019, Spain
| | - Ismael Babeli
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany, 10-14, Barcelona 08019, Spain
| | - Maria-Pau Ginebra
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona 08930, Spain.,Biomaterials, Biomechanics and Tissue Engineering Group, Departament de Ciència i Enginyeria de Materials, Universitat Politècnica de Catalunya (UPC), Barcelona 08930, Spain
| | - Jose García-Torres
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona 08930, Spain.,Biomaterials, Biomechanics and Tissue Engineering Group, Departament de Ciència i Enginyeria de Materials, Universitat Politècnica de Catalunya (UPC), Barcelona 08930, Spain
| | - Carlos Alemán
- Departament d'Enginyeria Química, EEBE, Universitat Politècnica de Catalunya, C/ Eduard Maristany, 10-14, Barcelona 08019, Spain.,Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Barcelona 08930, Spain
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77
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Mondal B, Bairagi D, Nandi N, Hansda B, Das KS, Edwards-Gayle CJC, Castelletto V, Hamley IW, Banerjee A. Peptide-Based Gel in Environmental Remediation: Removal of Toxic Organic Dyes and Hazardous Pb 2+ and Cd 2+ Ions from Wastewater and Oil Spill Recovery. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:12942-12953. [PMID: 33078952 DOI: 10.1021/acs.langmuir.0c02205] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A dipeptide-based synthetic amphiphile bearing a myristyl chain has been found to form hydrogels in the pH range 6.9-8.5 and organogels in various organic solvents including petroleum ether, diesel, kerosene, and petrol. These organogels and hydrogels have been thoroughly studied and characterized by different techniques including high-resolution transmission electron microscopy, X-ray diffraction, Fourier-transform infrared spectroscopy, and rheology. It has been found that the xerogel obtained from the peptide gelator can trap various toxic organic dyes from wastewater efficiently. Moreover, the hydrogel has been used to remove toxic heavy metal ions Pb2+ and Cd2+ from wastewater. Dye adsorption kinetics has been studied, and it has been fitted by using the Freundlich isotherm equation. Interestingly, the gelator amphiphilic peptide gels fuel oil, kerosene, diesel, and petrol in a biphasic mixture of salt water and oil within a few seconds. This indicates that these gels not only may find application in oil spill recovery but also can be used to remove toxic organic dyes and hazardous toxic metal ions from wastewater. Moreover, the gelator can be recycled several times without significant loss of activity, suggesting the sustainability of this new gelator. This holds future promise for environmental remediation by using peptide-based gelators.
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Affiliation(s)
- Biplab Mondal
- School of Biological Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Dipayan Bairagi
- School of Biological Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Nibedita Nandi
- School of Biological Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Biswanath Hansda
- School of Biological Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Krishna Sundar Das
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | | | - Valeria Castelletto
- Department of Chemistry, University of Reading, White Knights, Reading RG6 6AD, U.K
| | - Ian W Hamley
- Department of Chemistry, University of Reading, White Knights, Reading RG6 6AD, U.K
| | - Arindam Banerjee
- School of Biological Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
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78
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79
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Panja A, Raza R, Ghosh K. Cholesterol‐Coupled Diazine‐Phenol Gelator: Cyanide Sensing, Phase‐Selective Gelation in Oil Spill Recovery and Dye Adsorption. ChemistrySelect 2020. [DOI: 10.1002/slct.202002868] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Atanu Panja
- Department of Chemistry University of Kalyani Kalyani 741235 India
| | - Rameez Raza
- Department of Chemistry University of Kalyani Kalyani 741235 India
| | - Kumaresh Ghosh
- Department of Chemistry University of Kalyani Kalyani 741235 India
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80
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Yuan J, Hou Q, Zhong L, Dai X, Lu Q, Li M, Fu X. Sustained release of inhibitor from bionic scaffolds for wound healing and functional regeneration. Biomater Sci 2020; 8:5647-5655. [PMID: 33049013 DOI: 10.1039/d0bm00929f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Small molecules play remarkable roles in promoting tissue regeneration, but are limited by their burst release. Small molecules such as deferoxamine (DFO) have been released slowly from silk hydrogels and stimulated angiogenesis and wound healing, but failed to achieve functional recovery of skin. Various bioactive molecules are required to create a suitable niche for better skin regeneration by controlling their release behaviors. Herein, a small molecule SB216763, a GSK-3 inhibitor, was loaded on silk fibroin nanofibers (SNF), and then mixed with chitosan (CS) to prepare the small molecule-loaded composite bionic scaffolds (CSNF-SB). Given the interaction of SNF and SB216763, the sustained release of SB216763 for more than 21 days was achieved for SNF and CSNF-SB composite scaffolds. Compared to drug-free CSNF scaffolds, CSNF-SB showed better cell adhesion and proliferation capacity, suggesting bioactivity. The upregulated expression of β-catenin in fibroblasts in vitro revealed that the released small molecules maintained their function in composite scaffolds. Quicker and better wound healing was realized with the drug-loaded scaffolds, which was significantly superior to that treated with drug-free scaffolds. Unlike the DFO-loaded silk hydrogel system, hair follicle neogenesis was also found in the drug-loaded-scaffold treatment wounds, demonstrating functional recovery. Therefore, silk nanofibers as versatile carriers for different small bioactive molecules could be used to fabricate scaffolds with optimized niches and then achieve functional recovery of tissues. The small molecule-loaded bionic scaffolds have a promising future in skin tissue regeneration.
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Affiliation(s)
- Jifang Yuan
- Research Center for Tissue Repair and Regeneration affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College, China.
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81
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Abraham BL, Toriki ES, Tucker NJ, Nilsson BL. Electrostatic interactions regulate the release of small molecules from supramolecular hydrogels. J Mater Chem B 2020; 8:6366-6377. [PMID: 32596699 PMCID: PMC7429908 DOI: 10.1039/d0tb01157f] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Supramolecular hydrogels have great potential as biomaterials for sustained delivery of therapeutics. While peptide-based supramolecular hydrogels have been developed that show promise for drug delivery applications, the high cost of production has limited their widespread adoption. Low molecular weight (LMW) supramolecular hydrogels are emerging as attractive and inexpensive alternatives to peptide-based hydrogels. We recently reported novel cationic fluorenylmethyloxycarbonyl-modified phenylalanine (Fmoc-Phe) hydrogels for localized and sustained in vivo release of an anti-inflammatory agent for functional pain remediation. In an effort to further elucidate design principles to optimize these materials for delivery of a variety of molecular agents, we herein report a systematic examination of electrostatic effects on the release of cargo molecules from Fmoc-Phe derived hydrogels. Specifically, we interrogate the release of cationic, anionic, and neutral cargo molecules from a series of cationic and anionic Fmoc-Phe derived hydrogels. We observed that cargo was readily released from the hydrogels except when the cargo and hydrogel network had complementary charges, in which case the cargo was highly retained in the network. These results demonstrate that the electrostatic characteristics of both the hydrogel network and the specific cargo are critical design parameters in the formulation of LMW supramolecular hydrogel systems in the development of next-generation materials for drug delivery applications.
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Affiliation(s)
- Brittany L Abraham
- Department of Chemistry, University of Rochester, Rochester, NY 14627-0216, USA.
| | - Ethan S Toriki
- Department of Chemistry, University of Rochester, Rochester, NY 14627-0216, USA.
| | - N'Dea J Tucker
- Department of Chemistry, University of Rochester, Rochester, NY 14627-0216, USA.
| | - Bradley L Nilsson
- Department of Chemistry, University of Rochester, Rochester, NY 14627-0216, USA.
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82
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83
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Valls A, Castillo A, Porcar R, Hietala S, Altava B, Garcı A-Verdugo E, Luis SV. Urea-Based Low-Molecular-Weight Pseudopeptidic Organogelators for the Encapsulation and Slow Release of ( R)-Limonene. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:7051-7061. [PMID: 32511911 DOI: 10.1021/acs.jafc.0c01184] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Low-molecular-weight compounds containing alkylurea fragments attached to the amino end of different miminalistic pseudopeptidic structures have been shown to be excellent organogelators in a variety of organic solvents and liquid organic compounds of different nature. The formation of gels in this work is defined through rheological measurements for those cases where G' > G''. Both the topology and the symmetry of the corresponding urea compounds play a role in defining their organogelator behavior. This can also be tuned by the presence of additional supramolecular guests, as is the case for suberic acid. These compounds also achieve the gelation of relevant active substances such as terpene natural oils and complex mixtures of flavors and fragrances. This provides a simple and mass-efficient supramolecular system for the quantitative encapsulation of active substances, without the need for any additional solvent or complex processes, and their consequent controlled release.
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Affiliation(s)
- Adriana Valls
- Department of Inorganic and Organic Chemistry, ESTCE, Universitat Jaume I, Avda. Sos Baynat, s/n, 12071, Castellón, Spain
| | - Adrián Castillo
- Department of Inorganic and Organic Chemistry, ESTCE, Universitat Jaume I, Avda. Sos Baynat, s/n, 12071, Castellón, Spain
| | - Raúl Porcar
- Department of Inorganic and Organic Chemistry, ESTCE, Universitat Jaume I, Avda. Sos Baynat, s/n, 12071, Castellón, Spain
| | - Sami Hietala
- Department of Chemistry, University of Helsinki, Helsinki, Finland
| | - Belén Altava
- Department of Inorganic and Organic Chemistry, ESTCE, Universitat Jaume I, Avda. Sos Baynat, s/n, 12071, Castellón, Spain
| | - Eduardo Garcı A-Verdugo
- Department of Inorganic and Organic Chemistry, ESTCE, Universitat Jaume I, Avda. Sos Baynat, s/n, 12071, Castellón, Spain
| | - Santiago V Luis
- Department of Inorganic and Organic Chemistry, ESTCE, Universitat Jaume I, Avda. Sos Baynat, s/n, 12071, Castellón, Spain
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84
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Liu F, Ding Z, Xu Y, Gao J, Lalevée J. Polydiacetylene (
PDA
) based supramolecular gel upon coassembly with a bolaamphiphilic cogelator. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.4990] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Feiyang Liu
- College of Chemistry and Materials Science Anhui Normal University Wuhu China
| | - Zhaofu Ding
- College of Chemistry and Materials Science Anhui Normal University Wuhu China
| | - Yangyang Xu
- College of Chemistry and Materials Science Anhui Normal University Wuhu China
- Institut de Science des Matériaux de Mulhouse, IS2M‐UMR CNRS 7361, UHA Mulhouse France
| | - Jiangang Gao
- School of Biological and Chemical Engineering Anhui Polytechnic University Wuhu China
| | - Jacques Lalevée
- Institut de Science des Matériaux de Mulhouse, IS2M‐UMR CNRS 7361, UHA Mulhouse France
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85
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Panja S, Mondal S, Ghosh S, Ghosh U, Ghosh K. Effect of Substitution at Amine Functionality of 2,6-Diaminopyridine-Coupled Rhodamine on Metal-Ion Interaction and Self-Assembly. ACS OMEGA 2020; 5:13984-13993. [PMID: 32566865 PMCID: PMC7301565 DOI: 10.1021/acsomega.0c01384] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 05/21/2020] [Indexed: 05/08/2023]
Abstract
2,6-Diaminopyridine-coupled rhodamines 1 and 2 have been synthesized, and the effect of substitution on amine functionality toward metal-ion interactions and self-assembly is thoroughly investigated. Both the compounds effectively recognize different metal ions of biological significance fluorimetrically and colorimetrically with a high degree of selectivity and sensitivities. While compound 1 is sensitive to Fe3+ ions, compound 2 is responsive to both Fe3+ and Al3+ ions in aqueous CH3CN (4/1, v/v; 10 mM tris HCl buffer, pH 6.8). The sensing mechanism involves the metal-ion chelation-induced spirolactam ring opening of the rhodamine scaffold that results in both color and fluorescence changes, while the extent of interactions with the metal ions is truly governed by the chemical structure of the compounds. Both 1 and 2 are proficient in detecting Fe3+ and Al3+ ions in human lung cancer cells (A549). As new findings, unlike 1, compound 2 formed a faint pink gel in the toluene-hexane mixture solvent (1:1, v/v), and the gel state of 2 selectively recognizes Ag+ ions by exhibiting a phase change from gel to purple sol. Experimental findings establish the role of the formamide moiety in forming the self-assembly.
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Affiliation(s)
- Santanu Panja
- Department
of Chemistry, University of Kalyani, Kalyani 741235, India
- School
of Chemistry, University of Glasgow, Glasgow G12 8QQ, U.K.
| | - Subhendu Mondal
- Department
of Chemistry, University of Kalyani, Kalyani 741235, India
| | - Sourav Ghosh
- Department
of Biochemistry and Biophysics, University
of Kalyani, Kalyani 741235, India
| | - Utpal Ghosh
- Department
of Biochemistry and Biophysics, University
of Kalyani, Kalyani 741235, India
| | - Kumaresh Ghosh
- Department
of Chemistry, University of Kalyani, Kalyani 741235, India
- ,
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86
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Gupta S, Singh I, Sharma AK, Kumar P. Ultrashort Peptide Self-Assembly: Front-Runners to Transport Drug and Gene Cargos. Front Bioeng Biotechnol 2020; 8:504. [PMID: 32548101 PMCID: PMC7273840 DOI: 10.3389/fbioe.2020.00504] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 04/29/2020] [Indexed: 12/18/2022] Open
Abstract
The translational therapies to promote interaction between cell and signal come with stringent eligibility criteria. The chemically defined, hierarchically organized, and simpler yet blessed with robust intermolecular association, the peptides, are privileged to make the cut-off for sensing the cell-signal for biologics delivery and tissue engineering. The signature service and insoluble network formation of the peptide self-assemblies as hydrogels have drawn a spell of research activity among the scientists all around the globe in the past decades. The therapeutic peptide market players are anticipating promising growth opportunities due to the ample technological advancements in this field. The presence of the other organic moieties, enzyme substrates and well-established protecting groups like Fmoc and Boc etc., bring the best of both worlds. Since the large sequences of peptides severely limit the purification and their isolation, this article reviews the account of last 5 years' efforts on novel approaches for formulation and development of single molecule amino acids, ultra-short peptide self-assemblies (di- and tri- peptides only) and their derivatives as drug/gene carriers and tissue-engineering systems.
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Affiliation(s)
- Seema Gupta
- Chemistry Department, Acharya Narendra Dev College, University of Delhi, New Delhi, India
| | - Indu Singh
- Chemistry Department, Acharya Narendra Dev College, University of Delhi, New Delhi, India
- Nucleic Acids Research Laboratory, CSIR-Institute of Genomics and Integrative Biology, New Delhi, India
| | - Ashwani K. Sharma
- Nucleic Acids Research Laboratory, CSIR-Institute of Genomics and Integrative Biology, New Delhi, India
| | - Pradeep Kumar
- Nucleic Acids Research Laboratory, CSIR-Institute of Genomics and Integrative Biology, New Delhi, India
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87
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Eelkema R, Pich A. Pros and Cons: Supramolecular or Macromolecular: What Is Best for Functional Hydrogels with Advanced Properties? ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1906012. [PMID: 31919957 DOI: 10.1002/adma.201906012] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 10/28/2019] [Indexed: 06/10/2023]
Abstract
Hydrogels are fascinating soft materials with unique properties. Many biological systems are based on hydrogel-like structures, underlining their versatility and relevance. The properties of hydrogels strongly depend on the structure of the building blocks they are composed of, as well as the nature of interactions between them in the network structure. Herein, gel networks made by supramolecular interactions are compared to covalent macromolecular networks, drawing conclusions about their performance and application as responsive materials.
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Affiliation(s)
- Rienk Eelkema
- Department of Chemical Engineering, Delft University of Technology, Van der Maasweg 9, 2629 HZ, Delft, The Netherlands
| | - Andrij Pich
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 2, 52074, Aachen, Germany
- DWI - Leibniz-Institute for Interactive Materials e.V., Forckenbeckstraße 50, 52056, Aachen, Germany
- Aachen Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Brightlands Chemelot Campus, Urmonderbaan 22, 6167 RD, Geleen, The Netherlands
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88
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Baillet J, Gaubert A, Bassani DM, Verget J, Latxague L, Barthélémy P. Supramolecular gels derived from nucleoside based bolaamphiphiles as a light-sensitive soft material. Chem Commun (Camb) 2020; 56:3397-3400. [PMID: 32091070 DOI: 10.1039/d0cc00336k] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Light-sensitive Low Molecular Weight Gelators (LMWGs) derived from glyconucleoside bolaamphiphiles containing a stilbene unit displayed gelation abilities in hydroalcoholic mixtures. These materials showed a gel-sol transition under UV irradiation thanks to E-Z isomerization of stilbene and could find potential applications as drug delivery systems.
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Affiliation(s)
- Julie Baillet
- University of Bordeaux, INSERM U1212, UMR CNRS 5320, F-33076 Bordeaux, France.
| | - Alexandra Gaubert
- University of Bordeaux, INSERM U1212, UMR CNRS 5320, F-33076 Bordeaux, France.
| | - Dario M Bassani
- University of Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255, F-33400 Talence, France
| | - Julien Verget
- University of Bordeaux, INSERM U1212, UMR CNRS 5320, F-33076 Bordeaux, France.
| | - Laurent Latxague
- University of Bordeaux, INSERM U1212, UMR CNRS 5320, F-33076 Bordeaux, France.
| | - Philippe Barthélémy
- University of Bordeaux, INSERM U1212, UMR CNRS 5320, F-33076 Bordeaux, France.
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89
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Wang N, Zhou W, Yan M, Zhang M, Wang H, Chen H. Direct silica coating of drug crystals for ultra-high loading. NANOSCALE 2020; 12:5353-5358. [PMID: 32100771 DOI: 10.1039/c9nr10225f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
To push the limit of synthetic control, we create a thin layer (5 nm) of silica on the surface of drug nanocrystals, achieving a loading content (88%) that approaches the theoretical limit. The uniform silica shell provides a tailored diffusion barrier for controlled drug release. The method can be generally applied to 11 organic crystals, including 4 drugs.
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Affiliation(s)
- Neng Wang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing, 211816, P. R. China.
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90
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Effect of hydrogen bonding and hydrophobicity on gel emulsions by benzenesulphonamide moiety-based amphiphiles: entrapment and release of vitamin B12. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01102-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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91
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Martin AD, Thordarson P. Beyond Fmoc: a review of aromatic peptide capping groups. J Mater Chem B 2020; 8:863-877. [PMID: 31950969 DOI: 10.1039/c9tb02539a] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Self-assembling short peptides have attracted widespread interest due to their tuneable, biocompatible nature and have potential applications in energy materials, tissue engineering, sensing and drug delivery. The hierarchical self-assembly of these peptides is highly dependent on the selection of not only amino acid sequence, but also the capping group which is often employed at the N-terminus of the peptide to drive self-assembly. Although the Fmoc (9H-fluorenylmethyloxycarbonyl) group is commonly used due to its utility in solid phase peptide synthesis, many other aromatic capping groups have been reported which yield functional, responsive materials. This review explores recent developments in the utilisation of functional, aromatic capping groups beyond the Fmoc group for the creation of redox-responsive, fluorescent and drug delivering hydrogel scaffolds.
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Affiliation(s)
- Adam D Martin
- Dementia Research Centre, Department of Biomedical Science, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, NSW 2109, Australia.
| | - Pall Thordarson
- School of Chemistry, The Australian Centre for Nanomedicine and the ARC Centre of Excellence in Convergent Bio-Nano Science & Technology, University of New South Wales, Sydney, NSW 2052, Australia.
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92
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Navarro‐Barreda D, Angulo‐Pachón CA, Bedrina B, Galindo F, Miravet JF. A Dual Stimuli Responsive Supramolecular Gel Provides Insulin Hydrolysis Protection and Redox‐Controlled Release of Actives. MACROMOL CHEM PHYS 2020. [DOI: 10.1002/macp.201900419] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Diego Navarro‐Barreda
- Department of Inorganic and Organic ChemistryUniversity Jaume I 12071 Castelló de la Plana Spain
| | - César A. Angulo‐Pachón
- Department of Inorganic and Organic ChemistryUniversity Jaume I 12071 Castelló de la Plana Spain
| | - Begoña Bedrina
- Department of Inorganic and Organic ChemistryUniversity Jaume I 12071 Castelló de la Plana Spain
| | - Francisco Galindo
- Department of Inorganic and Organic ChemistryUniversity Jaume I 12071 Castelló de la Plana Spain
| | - Juan F. Miravet
- Department of Inorganic and Organic ChemistryUniversity Jaume I 12071 Castelló de la Plana Spain
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93
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Adsorption of Rose Bengal on a self-assembled fibrillar network affords a thermally switchable oxygenation photocatalyst and a thermochromic soft material. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2019.112142] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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94
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Biswakarma D, Dey N, Bhattacharya S. A thermo-responsive supramolecular hydrogel that senses cholera toxin via color-changing response. Chem Commun (Camb) 2020; 56:7789-7792. [DOI: 10.1039/d0cc00839g] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A Pyrene-based hydrogel with terminal lactose residue has been developed for the detection of cholera toxin via color changing response, accompanied by gel to sol transition.
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Affiliation(s)
- Dipen Biswakarma
- A Department of Organic Chemistry
- Indian Institute of Science
- Bangalore
- India
| | - Nilanjan Dey
- A Department of Organic Chemistry
- Indian Institute of Science
- Bangalore
- India
| | - Santanu Bhattacharya
- A Department of Organic Chemistry
- Indian Institute of Science
- Bangalore
- India
- School of Applied & Interdisciplinary Sciences
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95
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Vendrell-Criado V, Angulo-Pachón CA, Miravet JF, Galindo F, Miranda MA, Jiménez MC. Photobehavior of the antipsychotic drug cyamemazine in a supramolecular gel protective environment. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2020; 202:111686. [PMID: 31731078 DOI: 10.1016/j.jphotobiol.2019.111686] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/25/2019] [Accepted: 11/05/2019] [Indexed: 01/07/2023]
Abstract
In this work, a molecular hydrogel made of gelator (S)-4-((3-methyl-1-(nonylamino)-1-oxobutan-2-yl)amino)-4-oxobutanoic acid (SVN) has been employed as soft container to modify the photochemical and photophysical behavior of the antipsychotic drug cyamemazine (CMZ). The interaction of CMZ with the gel network has been evidenced by fluorescence spectroscopy through a hypsochromic shift of the emission band (from λmax = 521 nm in solution to λmax = 511 nm in the gel) and an increase of the fluorescence lifetime (5.6 ns in PBS vs. 7.2 ns in the gel). In the laser flash photolysis experiments on CMZ/SVN systems, the CMZ triplet excited state (3CMZ*), monitored at λ = 320 nm, has been more efficiently generated and became much longer-lived than in solution (2.7 μs vs. 0.7 μs); besides, photochemical ionization leading to the radical cation CMZ+• was disfavored. In the steady-state experiments, photooxidation of CMZ to afford the N,S-dioxide derivative CMZ-SONO has been retarded in the gel, which provides a more lipophilic and constrained microenvironment. Both the photophysical properties and the photoreactivity are in agreement with CMZ located in a less polar domain when entrapped in the supramolecular gel, as result of the interaction of the drug with the fibers of the supramolecular SVN gel.
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Affiliation(s)
- Victoria Vendrell-Criado
- Departamento de Química/Instituto de Tecnología Química UPV-CSIC, Universitat Politècnica de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - César A Angulo-Pachón
- Departamento de Química Inorgánica y Orgánica, Universitat Jaume I, Avda. Sos Baynat s/n, 12071, Castellón, Spain
| | - Juan F Miravet
- Departamento de Química Inorgánica y Orgánica, Universitat Jaume I, Avda. Sos Baynat s/n, 12071, Castellón, Spain
| | - Francisco Galindo
- Departamento de Química Inorgánica y Orgánica, Universitat Jaume I, Avda. Sos Baynat s/n, 12071, Castellón, Spain
| | - Miguel A Miranda
- Departamento de Química/Instituto de Tecnología Química UPV-CSIC, Universitat Politècnica de València, Camino de Vera s/n, 46022, Valencia, Spain.
| | - M Consuelo Jiménez
- Departamento de Química/Instituto de Tecnología Química UPV-CSIC, Universitat Politècnica de València, Camino de Vera s/n, 46022, Valencia, Spain.
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96
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Raza R, Panja A, Ghosh K. Diaminomaleonitrile-functionalized gelators in F−/CN− sensing, phase-selective gelation, oil spill recovery and dye removal from water. NEW J CHEM 2020. [DOI: 10.1039/d0nj01992e] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Diamiomaleonitrile-based gelators 1 and 2 were designed and synthesized. Toluene and 1,2-dichlorobenzene gels of 1 and 2, respectively sense F− and CN− anions. Both 1 and 2 show phase-selective gelation (PSG) with distinguishable feature. Toluene gel of 1 acts as injectable material and is applied in environmental remediation.
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Affiliation(s)
- Rameez Raza
- Department of Chemistry
- University of Kalyani
- Kalyani-741235
- India
| | - Atanu Panja
- Department of Chemistry
- University of Kalyani
- Kalyani-741235
- India
| | - Kumaresh Ghosh
- Department of Chemistry
- University of Kalyani
- Kalyani-741235
- India
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97
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Bag BG, Barai AC. Self-assembly of naturally occurring stigmasterol in liquids yielding a fibrillar network and gel. RSC Adv 2020; 10:4755-4762. [PMID: 35495245 PMCID: PMC9049162 DOI: 10.1039/c9ra10376g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 01/21/2020] [Indexed: 01/07/2023] Open
Abstract
Stigmasterol extracted from the leaves of Roscoea purpurea spontaneously self-assembled in liquids yielding a fibrillar network and gel.
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Affiliation(s)
- Braja Gopal Bag
- Department of Chemistry and Chemical Technology
- Vidyasagar University
- India
| | - Abir Chandan Barai
- Department of Chemistry and Chemical Technology
- Vidyasagar University
- India
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98
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Weber S, Kirchner K. The Role of Metal-Ligand Cooperation in Manganese(I)-Catalyzed Hydrogenation/Dehydrogenation Reactions. TOP ORGANOMETAL CHEM 2020. [DOI: 10.1007/3418_2020_66] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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99
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Weber S, Veiros LF, Kirchner K. Old Concepts, New Application - Additive-Free Hydrogenation of Nitriles Catalyzed by an Air Stable Alkyl Mn(I) Complex. Adv Synth Catal 2019; 361:5412-5420. [PMID: 31875866 PMCID: PMC6916632 DOI: 10.1002/adsc.201901040] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 10/16/2019] [Indexed: 01/26/2023]
Abstract
An efficient additive-free manganese-catalyzed hydrogenation of nitriles to primary amines with molecular hydrogen is described. The pre-catalyst, a well-defined bench-stable alkyl bisphosphine Mn(I) complex fac-[Mn(dpre)(CO)3(CH3)] (dpre=1,2-bis(di-n-propylphosphino)ethane), undergoes CO migratory insertion into the manganese-alkyl bond to form acyl complexes which upon hydrogenolysis yields the active coordinatively unsaturated Mn(I) hydride catalyst [Mn(dpre)(CO)2(H)]. A range of aromatic and aliphatic nitriles were efficiently and selectively converted into primary amines in good to excellent yields. The hydrogenation of nitriles proceeds at 100 °C with a catalyst loading of 2 mol % and a hydrogen pressure of 50 bar. Mechanistic insights are provided by means of DFT calculations.
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Affiliation(s)
- Stefan Weber
- Institute of Applied Synthetic ChemistryVienna University of TechnologyGetreidemarkt 9/163-ACA-1060WienAustria
| | - Luis F. Veiros
- Centro de Química Estrutural, Instituto Superior TécnicoUniversidade de LisboaAv. Rovisco Pais No. 11049-001LisboaPortugal
| | - Karl Kirchner
- Institute of Applied Synthetic ChemistryVienna University of TechnologyGetreidemarkt 9/163-ACA-1060WienAustria
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100
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Panja S, Dietrich B, Adams DJ. Chemically Fuelled Self‐Regulating Gel‐to‐Gel Transition. CHEMSYSTEMSCHEM 2019. [DOI: 10.1002/syst.201900038] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Santanu Panja
- School of ChemistryUniversity of Glasgow Glasgow G12 8QQ UK
| | - Bart Dietrich
- School of ChemistryUniversity of Glasgow Glasgow G12 8QQ UK
| | - Dave J. Adams
- School of ChemistryUniversity of Glasgow Glasgow G12 8QQ UK
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