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Veloso SRS, Rosa M, Diaferia C, Fernandes C. A Review on the Rheological Properties of Single Amino Acids and Short Dipeptide Gels. Gels 2024; 10:507. [PMID: 39195036 DOI: 10.3390/gels10080507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2024] [Revised: 07/26/2024] [Accepted: 07/29/2024] [Indexed: 08/29/2024] Open
Abstract
Self-assembled peptide-based hydrogels have attracted considerable interest from the research community. Particularly, low molecular weight gelators (LMWGs) consisting of amino acids and short peptides are highly suitable for biological applications owing to their facile synthesis and scalability, as well as their biocompatibility, biodegradability, and stability in physiological conditions. However, challenges in understanding the structure-property relationship and lack of design rules hinder the development of new gelators with the required properties for several applications. Hereby, in the plethora of peptide-based gelators, this review discusses the mechanical properties of single amino acid and dipeptide-based hydrogels. A mutual analysis of these systems allows us to highlight the relationship between the gel mechanical properties and amino acid sequence, preparation methods, or N capping groups. Additionally, recent advancements in the tuning of the gels' rheological properties are reviewed. In this way, the present review aims to help bridge the knowledge gap between structure and mechanical properties, easing the selection or design of peptides with the required properties for biological applications.
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Affiliation(s)
- Sérgio R S Veloso
- Physics Centre of Minho and Porto Universities (CF-UM-UP), Laboratory of Physics for Materials and Emergent Technologies (LaPMET), University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
| | - Mariangela Rosa
- Department of Pharmacy, Centro Interuniversitario di Ricerca sui Peptidi Bioattivi "Carlo Pedone" (CIRPeB), University of Naples "Federico II", Via Tommaso de Amicis 95, 80131 Naples, Italy
| | - Carlo Diaferia
- Department of Pharmacy, Centro Interuniversitario di Ricerca sui Peptidi Bioattivi "Carlo Pedone" (CIRPeB), University of Naples "Federico II", Via Tommaso de Amicis 95, 80131 Naples, Italy
| | - Célio Fernandes
- Transport Phenomena Research Centre (CEFT), Department of Mechanical Engineering, Faculty of Engineering, University of Porto (FEUP), Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
- Centre of Mathematics (CMAT), School of Sciences, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
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2
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Duraisamy DK, Reddy SMM, Saveri P, Deshpande AP, Shanmugam G. A Unique Temperature-Induced Reverse Supramolecular Chirality-Assisted Gel-to-Gel Transition. Macromol Rapid Commun 2024; 45:e2400018. [PMID: 38437791 DOI: 10.1002/marc.202400018] [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: 01/10/2024] [Revised: 02/19/2024] [Indexed: 03/06/2024]
Abstract
Supramolecular hydrogels typically undergo a gel-to-sol transition with heat, as intermolecular interactions within the gel weaken. Although gel-to-gel transitions during heating are rare, they may occur due to minor rearrangements caused by thermal forces in the supramolecular self-assembled structure. Here, an unprecedented temperature-induced gel-to-gel transition assisted by supramolecular chiral inversion in a hydrogel system is presented. The transition results from a left-handed M-type helix to a right-handed P-type helix, attributed to the π-system-conjugated amino acid, l-Tyrosine (Fm- l-Tyr). Upon solvent dilution, Fm-l-Tyr induces translucent hydrogel formed by entangled fibers with a kinetically stable left-handed M-type supramolecular helix. At 70 °C, hydrogel transforms into an opaque gel with a reverse supramolecular chirality yielding a thermodynamically stable right-handed P-type helix. Supramolecular chiral inversion is substantiated by two chiroptical methods. This unique gel-to-gel transition, accompanied by chiral inversion, is anticipated to attract attention, especially for applications sensitive to chirality.
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Affiliation(s)
- Dinesh Kumar Duraisamy
- Organic & Bioorganic Chemistry Laboratory, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Adyar, Chennai, 600020, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Samala Murali Mohan Reddy
- Organic & Bioorganic Chemistry Laboratory, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Adyar, Chennai, 600020, India
| | - Puchalapalli Saveri
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Abhijit P Deshpande
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Ganesh Shanmugam
- Organic & Bioorganic Chemistry Laboratory, Council of Scientific and Industrial Research (CSIR) - Central Leather Research Institute (CLRI), Adyar, Chennai, 600020, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
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3
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Piras CC, Mahon CS, Genever PG, Smith DK. Shaping and Patterning Supramolecular Materials─Stem Cell-Compatible Dual-Network Hybrid Gels Loaded with Silver Nanoparticles. ACS Biomater Sci Eng 2022; 8:1829-1840. [PMID: 35364810 PMCID: PMC9092345 DOI: 10.1021/acsbiomaterials.1c01560] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
![]()
Hydrogels
with spatio-temporally
controlled properties are appealing
materials for biological and pharmaceutical applications. We make
use of mild acidification protocols to fabricate hybrid gels using
calcium alginate in the presence of a preformed thermally triggered
gel based on a low-molecular-weight gelator (LMWG) 1,3:2:4-di(4-acylhydrazide)-benzylidene
sorbitol (DBS-CONHNH2). Nonwater-soluble calcium carbonate
slowly releases calcium ions over time when exposed to an acidic pH,
triggering the assembly of the calcium alginate gel network. We combined
the gelators in different ways: (i) the LMWG was used as a template
to spatially control slow calcium alginate gelation within preformed
gel beads, using glucono-δ-lactone (GdL) to lower the pH; (ii)
the LMWG was used as a template to spatially control slow calcium
alginate gelation within preformed gel trays, using diphenyliodonium
nitrate (DPIN) as a photoacid to lower the pH, and spatial resolution
was achieved by masking. The dual-network hybrid gels display highly
tunable properties, and the beads are compatible with stem cell growth.
Furthermore, they preserve the LMWG function of inducing in situ silver
nanoparticle (AgNP) formation, which provides the gels with antibacterial
activity. These gels have potential for eventual regenerative medicine
applications in (e.g.) bone tissue engineering.
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Affiliation(s)
- Carmen C Piras
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
| | - Clare S Mahon
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
| | - Paul G Genever
- Department of Biology, University of York, Heslington, York YO10 5DD, United Kingdom
| | - David K Smith
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
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4
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Nakamura K, Tanaka W, Sada K, Kubota R, Aoyama T, Urayama K, Hamachi I. Phototriggered Spatially Controlled Out-of-Equilibrium Patterns of Peptide Nanofibers in a Self-Sorting Double Network Hydrogel. J Am Chem Soc 2021; 143:19532-19541. [PMID: 34767720 DOI: 10.1021/jacs.1c09172] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Out-of-equilibrium patterns arising from diffusion processes are ubiquitous in nature, although they have not been fully exploited for the design of artificial materials. Here, we describe the formation of phototriggered out-of-equilibrium patterns using photoresponsive peptide-based nanofibers in a self-sorting double network hydrogel. Light irradiation using a photomask followed by thermal incubation induced the spatially controlled condensation of peptide nanofibers. According to confocal images and spectroscopic analyses, metastable nanofibers photodecomposed in the irradiated areas, where thermodynamically stable nanofibers reconstituted and condensed with a supply of monomers from the nonirradiated areas. These supramolecular events were regulated by light and diffusion to facilitate the creation of unique out-of-equilibrium patterns, including two lines from a one-line photomask and a line pattern of a protein immobilized in the hydrogel.
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Affiliation(s)
- Keisuke Nakamura
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Wataru Tanaka
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Kei Sada
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Ryou Kubota
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Takuma Aoyama
- Department of Macromolecular Science and Engineering, Kyoto Institute of Technology, Matsugasaki, Kyoto 606-8585, Japan
| | - Kenji Urayama
- Department of Macromolecular Science and Engineering, Kyoto Institute of Technology, Matsugasaki, Kyoto 606-8585, Japan
| | - Itaru Hamachi
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan.,JST-ERATO, Hamachi Innovative Molecular Technology for Neuroscience, Nishikyo-ku, Kyoto 615-8530, Japan
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5
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Panja S, Adams DJ. Stimuli responsive dynamic transformations in supramolecular gels. Chem Soc Rev 2021; 50:5165-5200. [PMID: 33646219 DOI: 10.1039/d0cs01166e] [Citation(s) in RCA: 170] [Impact Index Per Article: 56.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Supramolecular gels are formed by the self-assembly of small molecules under the influence of various non-covalent interactions. As the interactions are individually weak and reversible, it is possible to perturb the gels easily, which in turn enables fine tuning of their properties. Synthetic supramolecular gels are kinetically trapped and usually do not show time variable changes in material properties after formation. However, such materials potentially become switchable when exposed to external stimuli like temperature, pH, light, enzyme, redox, and chemical analytes resulting in reconfiguration of gel matrix into a different type of network. Such transformations allow gel-to-gel transitions while the changes in the molecular aggregation result in alteration of physical and chemical properties of the gel with time. Here, we discuss various methods that have been used to achieve gel-to-gel transitions by modifying a pre-formed gel material through external perturbation. We also describe methods that allow time-dependent autonomous switching of gels into different networks enabling synthesis of next generation functional materials. Dynamic modification of gels allows construction of an array of supramolecular gels with various properties from a single material which eventually extend the limit of applications of the gels. In some cases, gel-to-gel transitions lead to materials that cannot be accessed directly. Finally, we point out the necessity and possibility of further exploration of the field.
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Affiliation(s)
- Santanu Panja
- School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, UK.
| | - Dave J Adams
- School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, UK.
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Chandrasekharan SV, Krishnan N, Atchimnaidu S, Raj G, P. K. AK, Sagar S, Das S, Varghese R. Blue-emissive two-component supergelator with aggregation-induced enhanced emission. RSC Adv 2021; 11:19856-19863. [PMID: 35479242 PMCID: PMC9033671 DOI: 10.1039/d1ra03751j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 05/28/2021] [Indexed: 11/21/2022] Open
Abstract
Two-component organogels offer several advantages over one-component gels, but their design is highly challenging. Hence, it is extremely important to design new approaches for the crafting of two-component organogels with interesting optical and mechanical properties. Herein, we report the design of a new class of two-component supergelators obtained from the assembly between acid functionalized tetraphenylethylene (TPE)-based dendrons and alkylated melamine. No gelation behaviour is observed for the individual components, but interestingly, remarkable gelation behaviour is observed for their hydrogen-bonded complex. The primary driving force responsible for the gelation is the strong π–π stacking interaction of TPE units. Because of the strong π-stacking of TPEs in the gel state, the C(sp2)–C(sp2) bond rotation of the TPE segment is completely arrested in the gel state, which results in intense fluorescence emission of the gels. Furthermore, excellent elastic response is observed for the gels as evident from their high storage modulus compared to loss modulus values. Our results clearly demonstrate that by the appropriate selection of the molecular components, this approach can be applied for the creation of functional nanomaterials with emergent properties absent in the individual blocks. Design of a novel class of two-component, highly emissive, low molecular weight supergelator is reported.![]()
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Affiliation(s)
| | - Nithiyanandan Krishnan
- School of Chemistry
- Indian Institute of Science Education and Research (IISER)
- Thiruvananthapuram
- India
| | - Siriki Atchimnaidu
- School of Chemistry
- Indian Institute of Science Education and Research (IISER)
- Thiruvananthapuram
- India
| | - Gowtham Raj
- School of Chemistry
- Indian Institute of Science Education and Research (IISER)
- Thiruvananthapuram
- India
| | - Anusree Krishna P. K.
- School of Chemistry
- Indian Institute of Science Education and Research (IISER)
- Thiruvananthapuram
- India
| | - Soumya Sagar
- School of Chemistry
- Indian Institute of Science Education and Research (IISER)
- Thiruvananthapuram
- India
| | - Suresh Das
- School of Chemistry
- Indian Institute of Science Education and Research (IISER)
- Thiruvananthapuram
- India
| | - Reji Varghese
- School of Chemistry
- Indian Institute of Science Education and Research (IISER)
- Thiruvananthapuram
- India
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Katla J, Shaik A, Dahiwadkar R, Thiruvenkatam V, Kanvah S. One- and Two-Component Organogels Containing Cyanostilbene without any Auxiliary Substituents. Chempluschem 2020; 84:1789-1795. [PMID: 31943862 DOI: 10.1002/cplu.201900564] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 09/27/2019] [Indexed: 12/11/2022]
Abstract
Pyridyl acrylonitrile without traditional auxiliary groups form stable organogels in ethanol. The addition of a second non-gelating cyanostilbene component results in a more stable two-component gel. Single crystal X-ray data reveal the influence of C-H⋅ ⋅ ⋅N, C-H⋅ ⋅ ⋅π, and π-π interactions in the formation of organogels. The morphology of the xerogels was studied by using SEM, which showed the self-assembly of molecules to fibers and sheet-like structures, and phase differences upon the gel formation and the structural phase characterization was measured using powder XRD. Exposure of the organogels to acidic (TFA) vapors results in distinct color changes and loss of gelation properties, thus highlighting the potential of these gels in sensing. The results represent a rare example of two-component organogels using two different cyanostilbene units and show that functional two-component organogels can be formed by utilizing the synergistic effects of the individual components.
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Affiliation(s)
- Jagadish Katla
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj Gandhinagar, 382355, India
| | - Althaf Shaik
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj Gandhinagar, 382355, India
| | - Rahul Dahiwadkar
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj Gandhinagar, 382355, India
| | - Vijay Thiruvenkatam
- Department of Biological Engineering and Physics, Indian Institute of Technology Gandhinagar, Palaj Gandhinagar, 382355, India
| | - Sriram Kanvah
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj Gandhinagar, 382355, India
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8
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Cornwell DJ, Smith DK. Photo-patterned multi-domain multi-component hybrid hydrogels. Chem Commun (Camb) 2020; 56:7029-7032. [DOI: 10.1039/d0cc03004j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
This paper explores multi-component gelation systems containing two low-molecular-weight gelators, one polymer gelator and three different triggers.
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9
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Piras CC, Smith DK. Sequential Assembly of Mutually Interactive Supramolecular Hydrogels and Fabrication of Multi-Domain Materials. Chemistry 2019; 25:11318-11326. [PMID: 31237367 DOI: 10.1002/chem.201902158] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 06/19/2019] [Indexed: 11/09/2022]
Abstract
A two-component self-sorting hydrogel based on acylhydrazide and carboxylic acid derivatives of 1,3:2,4-dibenzylidene-d-sorbitol (DBS-CONHNH2 and DBS-COOH) is reported. A heating-cooling cycle induces the self-assembly of DBS-CONHNH2 , followed by the self-assembly of DBS-COOH induced by decreasing pH. Although the networks are formed sequentially, there is spectroscopic evidence of interactions between them, which impact on the mechanical properties and significantly enhance the ability of these low-molecular-weight gelators (LMWGs) to form gels when mixed. The DBS-COOH network can be switched "off" and "on" within the two-component gel through a pH change. By using a photo-acid generator, the two-component gel can be prepared combining the thermal trigger with photo-irradiation. Photo-patterned self-assembly of DBS-COOH within a pre-formed DBS-CONHNH2 gel under a mask yields spatially controlled multi-domain gels. Different gel domains can have different functions, for example, controlling the rate of release of heparin incorporated into the gel, or directing gold nanoparticle assembly. Such photo-patterned multi-component hydrogels have potential applications in regenerative medicine or bio-nano-electronics.
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Affiliation(s)
- Carmen C Piras
- 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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Tung ST, Cheng HT, Inthasot A, Hsueh FC, Gu TJ, Yan PC, Lai CC, Chiu SH. Interlocked Photo-degradable Macrocycles Allow One-Off Photo-triggerable Gelation of Organo- and Hydrogelators. Chemistry 2018; 24:1522-1527. [DOI: 10.1002/chem.201705753] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Shun-Te Tung
- Department of Chemistry and Center for Emerging Material and Advanced Devices; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei, Taiwan 10617 R.O.C
| | - Hung-Te Cheng
- Department of Chemistry and Center for Emerging Material and Advanced Devices; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei, Taiwan 10617 R.O.C
| | - Alex Inthasot
- Department of Chemistry and Center for Emerging Material and Advanced Devices; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei, Taiwan 10617 R.O.C
| | - Fang-Che Hsueh
- Department of Chemistry and Center for Emerging Material and Advanced Devices; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei, Taiwan 10617 R.O.C
| | - Ting-Jia Gu
- Department of Chemistry and Center for Emerging Material and Advanced Devices; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei, Taiwan 10617 R.O.C
| | - Pei-Cong Yan
- Department of Chemistry and Center for Emerging Material and Advanced Devices; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei, Taiwan 10617 R.O.C
| | - Chien-Chen Lai
- Institute of Molecular Biology, National Chung Hsing University and Department of Medical Genetics; China Medical University Hospital; Taichung, Taiwan R.O.C
| | - Sheng-Hsien Chiu
- Department of Chemistry and Center for Emerging Material and Advanced Devices; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei, Taiwan 10617 R.O.C
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Draper ER, Adams DJ. How should multicomponent supramolecular gels be characterised? Chem Soc Rev 2018; 47:3395-3405. [DOI: 10.1039/c7cs00804j] [Citation(s) in RCA: 126] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We discuss the current state of characterising multicomponent low molecular weight gels across all length scales, and the effectiveness of the different techniques that have been used.
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