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Rodrigo MJ, Cardiel MJ, Fraile JM, Mayoral JA, Pablo LE, Garcia-Martin E. Laponite for biomedical applications: An ophthalmological perspective. Mater Today Bio 2024; 24:100935. [PMID: 38239894 PMCID: PMC10794930 DOI: 10.1016/j.mtbio.2023.100935] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/20/2023] [Accepted: 12/27/2023] [Indexed: 01/22/2024] Open
Abstract
Clay minerals have been applied in biomedicine for thousands of years. Laponite is a nanostructured synthetic clay with the capacity to retain and progressively release drugs. In recent years there has been a resurgence of interest in Laponite application in various biomedical areas. This is the first paper to review the potential biomedical applications of Laponite in ophthalmology. The introduction briefly covers the physical, chemical, rheological, and biocompatibility features of different routes of administration. After that, emphasis is placed on 1) drug delivery for antibiotics, anti-inflammatories, growth factors, other proteins, and cancer treatment; 2) bleeding prevention or treatment; and 3) tissue engineering through regenerative medicine using scaffolds in intraocular and extraocular tissue. Although most scientific research is not performed on the eye, both the findings and the new treatments resulting from that research are potentially applicable in ophthalmology since many of the drugs used are the same, the tissue evaluated in vitro or in vivo is also present in the eye, and the pathologies treated also occur in the eye. Finally, future prospects for this emerging field are discussed.
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Affiliation(s)
- Maria J. Rodrigo
- Department of Ophthalmology, Miguel Servet University Hospital, Zaragoza, Spain
- Aragon Institute for Health Research (IIS Aragon), GIMSO Research Group, University of Zaragoza (Spain), Avda. San Juan Bosco 13, E-50009 Zaragoza, Spain
| | - Maria J. Cardiel
- Aragon Institute for Health Research (IIS Aragon), GIMSO Research Group, University of Zaragoza (Spain), Avda. San Juan Bosco 13, E-50009 Zaragoza, Spain
- Department of Pathology, Lozano Blesa University Hospital, Zaragoza, Spain
| | - Jose M. Fraile
- Institute for Chemical Synthesis and Homogeneous Catalysis (ISQCH), Faculty of Sciences, University of Zaragoza–CSIC, C/Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Jose A. Mayoral
- Institute for Chemical Synthesis and Homogeneous Catalysis (ISQCH), Faculty of Sciences, University of Zaragoza–CSIC, C/Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Luis E. Pablo
- Department of Ophthalmology, Miguel Servet University Hospital, Zaragoza, Spain
- Aragon Institute for Health Research (IIS Aragon), GIMSO Research Group, University of Zaragoza (Spain), Avda. San Juan Bosco 13, E-50009 Zaragoza, Spain
- Biotech Vision SLP (spin-off Company), University of Zaragoza, Spain
| | - Elena Garcia-Martin
- Department of Ophthalmology, Miguel Servet University Hospital, Zaragoza, Spain
- Aragon Institute for Health Research (IIS Aragon), GIMSO Research Group, University of Zaragoza (Spain), Avda. San Juan Bosco 13, E-50009 Zaragoza, Spain
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Papagiannopoulos A, Nikolakis SP, Pamvouxoglou A, Koutsopoulou E. Physicochemical properties of electrostatically crosslinked carrageenan/chitosan hydrogels and carrageenan/chitosan/Laponite nanocomposite hydrogels. Int J Biol Macromol 2023; 225:565-573. [PMID: 36410537 DOI: 10.1016/j.ijbiomac.2022.11.113] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 11/10/2022] [Accepted: 11/11/2022] [Indexed: 11/19/2022]
Abstract
In this work physical carrageenan/chitosan (Car/Chit) hydrogels are prepared by electrostatic complexation between the two oppositely charged polysaccharides. The hydrogels have storage moduli in the order of 5-10 kPa and swelling ratios in the order of 5000-6000 %. At conditions where both polysaccharides are highly charged (pH 5) the swelling ratios are lower than the ones at conditions of lower dissociation i.e., at pH 2 and 7 and the opposite trend is found for the storage modulus. Chit appears to act as a crosslinker for Car as increasing its concentration the swelling ratio decreases and the moduli increase. The hydrogels can incorporate the nanoclay Laponite (Lap) and form hybrid nanocomposites where the intercalation by the two biopolymers leads to exfoliation of the clay nanoplatelets in the presence of both Car and Chit. The composite hydrogels retain the mechanical properties of the Car/Chit hydrogels at the studied pH range (pH 2 to pH 7). This shows the prepared hydrogels can be potentially used as multifunctional biomaterials for drug delivery, tissue engineering and bone regeneration applications.
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Affiliation(s)
- Aristeidis Papagiannopoulos
- Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, 11635 Athens, Greece.
| | - Spiridon-Paraskevas Nikolakis
- Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, 11635 Athens, Greece
| | - Andreas Pamvouxoglou
- Experimental Soft Matter Group, Condensed Matter Physics Laboratory (IPKM), Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - Eleni Koutsopoulou
- Technical University of Crete, Department of Mineral Resources Engineering, GR-73100 Chania, Greece; Hellenic Survey of Geology and Mineral Exploration (HSGME), 13677 Acharnes, Greece
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Endeşav Ç, Yalçın B, Şimşek C, Erbil C. Tuning Compressive Young's Moduli and Antibacterial Activities of Alginate/Poly( N-isopropylacrylamide) Hydrogels with Laponite Layers and Cerium Ions. ACS OMEGA 2022; 7:35792-35804. [PMID: 36249381 PMCID: PMC9558251 DOI: 10.1021/acsomega.2c03937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/21/2022] [Indexed: 06/16/2023]
Abstract
Hybrid hydrogels containing alginate (Alg) and poly(N-isopropylacrylamide) (PNIPAAm) chains as natural and synthetic components, respectively, were crosslinked using double and triple pairs of the crosslinkers Ce3+/Ce4+, laponite (LP) RD, and N,N'-methylenebisacrylamide (BIS). (Alg/PNIPAAm)-Ce3+ and (Alg/PNIPAAm-PNIPAAm)-Ce3+ double- and triple-network structures were prepared using multivalent cerium ions (Ce3+), multifunctional laponite layers (L), and/or neutral tetrafunctonal BIS molecules (B). Compressive Young's moduli, E, were tuned by the type/concentration of crosslinkers and crosslinking procedures and the concentration of Alg chains. The antibacterial activity of positively charged ions and molecules is due to the electrostatic attraction with the negatively charged bacterial cell walls. In the current study, we report the antibacterial activity on Escherichia coli of Ce3+ ions in the absence and presence of gentamicin sulfate (GS) for double and triple networks. Nonbacterial areas, which are called inhibition zones, around the disks, and compressive E moduli of the single and double PNIPAAm and Alg/PNIPAAm networks crosslinked by LP RD and containing Ce3+/Ce4+ions in free and ionically bonded states, respectively, were higher than those of the ones crosslinked with BIS. Moreover, BIS- and LP RD-crosslinked single PNIPAAm hydrogels displayed larger inhibition zones than those of Alg/PNIPAAm hybrids, supporting the antibacterial activity of free Ce3+/Ce4+ ions diffused together with GS molecules. On the other hand, antibacterial activities of GS + Ce3+-loaded triple networks were much lower than those of their double counterparts because the increase in the structural complexity reduced the co-emission of antibacterial agents.
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Affiliation(s)
- Çiçek Endeşav
- Faculty
of Science and Letters, Department of Chemistry, Istanbul Technical University, Istanbul, TR34469, Turkey
| | - Bestenur Yalçın
- Department
of Medical Laboratory Techniques Istanbul, Bahcesehir University Vocational School of Health Services, Istanbul, TR34353, Turkey
| | - Ceyda Şimşek
- Faculty
of Science and Letters, Department of Chemistry, Istanbul Technical University, Istanbul, TR34469, Turkey
| | - Candan Erbil
- Faculty
of Science and Letters, Department of Chemistry, Istanbul Technical University, Istanbul, TR34469, Turkey
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Kiaee G, Dimitrakakis N, Sharifzadeh S, Kim HJ, Avery RK, Moghaddam KM, Haghniaz R, Yalcintas EP, Barros NRD, Karamikamkar S, Libanori A, Khademhosseini A, Khoshakhlagh P. Laponite-Based Nanomaterials for Drug Delivery. Adv Healthc Mater 2022; 11:e2102054. [PMID: 34990081 PMCID: PMC8986590 DOI: 10.1002/adhm.202102054] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 11/29/2021] [Indexed: 11/09/2022]
Abstract
Laponite is a clay-based material composed of synthetic disk-shaped crystalline nanoparticles with highly ionic, large surface area. These characteristics enable the intercalation and dissolution of biomolecules in Laponite-based drug delivery systems. Furthermore, Laponite's innate physicochemical properties and architecture enable the development of tunable pH-responsive drug delivery systems. Laponite's coagulation capacity and cation exchangeability determine its exchange capabilities, drug encapsulation efficiency, and release profile. These parameters are exploited to design highly controlled and efficacious drug delivery platforms for sustained drug release. In this review, they provide an overview of how to design efficient delivery of therapeutics by leveraging the properties and specific interactions of various Laponite-polymer composites and drug moieties.
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Affiliation(s)
- Gita Kiaee
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA
| | - Nikolaos Dimitrakakis
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA
| | | | - Han-Jun Kim
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90024, USA
| | - Reginald K Avery
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA
| | | | - Reihaneh Haghniaz
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90024, USA
| | | | | | | | - Alberto Libanori
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90024, USA
| | - Parastoo Khoshakhlagh
- Wyss Institute for Biologically Inspired Engineering at Harvard University, Boston, MA, 02115, USA
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