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Figueiredo AQ, Rodrigues CF, Fernandes N, Correia IJ, Moreira AF. In situ formation of alginic acid-gold nanohybrids for application in cancer photothermal therapy. Biotechnol J 2024; 19:e2300019. [PMID: 37706621 DOI: 10.1002/biot.202300019] [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: 01/10/2023] [Revised: 08/31/2023] [Accepted: 09/08/2023] [Indexed: 09/15/2023]
Abstract
Gold-based nanoparticles present excellent optical properties that propelled their widespread application in biomedicine, from bioimaging to photothermal applications. Nevertheless, commonly employed manufacturing methods for gold-based nanoparticles require long periods and laborious protocols that reduce cost-effectiveness and scalability. Herein, a novel methodology was used for producing gold-alginic acid nanohybrids (Au-Alg-NH) with photothermal capabilities. This was accomplished by promoting the in situ reduction and nucleation of gold ions throughout a matrix of alginic acid by using ascorbic acid. The results obtained reveal that the Au-Alg-NHs present a uniform size distribution and a spike-like shape. Moreover, the nanomaterials were capable to mediate a temperature increase of ≈11°C in response to the irradiation with a near-infrared region (NIR) laser (808 nm, 1.7 W cm-2 ). The in vitro assays showed that Au-Alg-NHs were able to perform a NIR light-triggered ablation of cancer cells (MCF-7), being observed a reduction in the cell viability to ≈27%. Therefore, the results demonstrate that this novel methodology holds the potential for producing Au-Alg-NH with photothermal capacity and higher translatability to the clinical practice, namely for cancer therapy.
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Affiliation(s)
- André Q Figueiredo
- CICS-UBI - Health Sciences Research Centre, Universidade da Beira Interior, Covilhã, Portugal
| | - Carolina F Rodrigues
- CICS-UBI - Health Sciences Research Centre, Universidade da Beira Interior, Covilhã, Portugal
| | - Natanael Fernandes
- CICS-UBI - Health Sciences Research Centre, Universidade da Beira Interior, Covilhã, Portugal
| | - Ilídio J Correia
- CICS-UBI - Health Sciences Research Centre, Universidade da Beira Interior, Covilhã, Portugal
- CIEPQPF - Departamento de Engenharia Química, Universidade de Coimbra, Coimbra, Portugal
| | - André F Moreira
- CICS-UBI - Health Sciences Research Centre, Universidade da Beira Interior, Covilhã, Portugal
- CPIRN-UDI/IPG - Centro de Potencial e Inovação em Recursos Naturais, Unidade de Investigação para o Desenvolvimento do Interior do Instituto Politécnico da Guarda, Guarda, Portugal
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Dehghan-Niri M, Vasheghani-Farahani E, Eslaminejad MB, Tavakol M, Bagheri F. Preparation of gum tragacanth/poly (vinyl alcohol)/halloysite hydrogel using electron beam irradiation with potential for bone tissue engineering. Carbohydr Polym 2023; 305:120548. [PMID: 36737197 DOI: 10.1016/j.carbpol.2023.120548] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 01/01/2023] [Accepted: 01/02/2023] [Indexed: 01/09/2023]
Abstract
Nanocomposite hydrogels based on tyramine conjugated gum tragacanth, poly (vinyl alcohol) (PVA), and halloysite nanotubes (HNTs) were prepared by electron beam irradiation and characterized. The FTIR, 1H NMR, and TGA results confirmed the chemical incorporation of HNTs into gum tragacanth. Gel content and swelling of hydrogels decreased with HNTs loading up to 20 % wt. The mechanical strength of hydrogels increased by increasing HNTs content up to 10 % with 371 kPa fracture stress at 0.95 fracture strain, compared to 312 kPa stress at 0.79 strain for gum tragacanth/PVA hydrogel. Hydrogel's biocompatibility and osteogenic activity were tested by seeding rabbit bone marrow mesenchymal stem cells. The cell viability was >85 % after 7 days of culture. In vitro secretion of ALP and calcium deposition on hydrogels in alizarin red assay after 21 days of culture indicated hydrogel potential for bone tissue engineering.
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Affiliation(s)
- Maryam Dehghan-Niri
- Biomedical Engineering Division, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
| | | | - Mohamadreza Baghaban Eslaminejad
- Department of Stem Cells and Developmental Biology, Cell Sciences Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
| | - Moslem Tavakol
- Department of Chemical and Polymer Engineering, Yazd University, Yazd, Iran
| | - Fatemeh Bagheri
- Biotechnology Department, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
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Bulla SS, Bhajantri RF, Chavan C, Sakthipandi K. Biosynthesized Silver Nanoparticles Encapsulated in a Poly(vinyl alcohol) Matrix: Dielectric and Structural Properties. ChemistrySelect 2022. [DOI: 10.1002/slct.202201771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Soumya S. Bulla
- Department of Physics Karnatak University Dharwad 580 003 Karnataka India
- Department of Studies in Physics Davangere University, Shivagangotri Davangere 577 007 Karnataka India
| | - R. F. Bhajantri
- Department of Physics Karnatak University Dharwad 580 003 Karnataka India
| | - Chetan Chavan
- Department of Physics Karnatak University Dharwad 580 003 Karnataka India
| | - K. Sakthipandi
- Department of Physics SRM TRP Engineering College Tiruchirappalli 621 105 Tamil Nadu India
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Albeshir EG, Alsahafi R, Albluwi R, Balhaddad AA, Mitwalli H, Oates TW, Hack GD, Sun J, Weir MD, Xu HHK. Low-Shrinkage Resin Matrices in Restorative Dentistry-Narrative Review. MATERIALS 2022; 15:ma15082951. [PMID: 35454643 PMCID: PMC9029384 DOI: 10.3390/ma15082951] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/14/2022] [Accepted: 04/15/2022] [Indexed: 02/06/2023]
Abstract
Dimethacrylate-based resin composites restorations have become widely-used intraoral materials in daily dental practice. The increasing use of composites has greatly enhanced modern preventive and conservative dentistry. They have many superior features, especially esthetic properties, bondability, and elimination of mercury and galvanic currents. However, polymeric materials are highly susceptible to polymerization shrinkage and stresses that lead to microleakage, biofilm formation, secondary caries, and restoration loss. Several techniques have been investigated to minimize the side effects of these shrinkage stresses. The primary approach is through fabrications and modification of the resin matrices. Therefore, this review article focuses on the methods for testing the shrinkage, as well as formulations of resinous matrices available to reduce polymerization shrinkage and its associated stress. Furthermore, this article reviews recent cutting-edge developments on bioactive low-shrinkage-stress nanocomposites to effectively inhibit the growth and activities of cariogenic pathogens and enhance the remineralization process.
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Affiliation(s)
- Ebtehal G. Albeshir
- Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; (E.G.A.); (R.A.)
- Department of Restorative Dentistry, King Abdul-Aziz Medical City, Ministiry of National Guard—Health Affairs, Riyadh 11426, Saudi Arabia;
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh 11426, Saudi Arabia
- King Abdullah International Medical Research Center, Ministiry of National Guard—Health Affairs, Riyadh 11426, Saudi Arabia
| | - Rashed Alsahafi
- Program in Dental Biomedical Sciences, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; (E.G.A.); (R.A.)
- Department of Restorative Dental Sciences, College of Dentistry, Umm Al-Qura University, Makkah 24381, Saudi Arabia
| | - Reem Albluwi
- Department of Restorative Dentistry, King Abdul-Aziz Medical City, Ministiry of National Guard—Health Affairs, Riyadh 11426, Saudi Arabia;
- King Saud Bin Abdulaziz University for Health Sciences, Riyadh 11426, Saudi Arabia
- King Abdullah International Medical Research Center, Ministiry of National Guard—Health Affairs, Riyadh 11426, Saudi Arabia
| | - Abdulrahman A. Balhaddad
- Department of Restorative Dental Sciences, College of Dentistry, Imam Abdulrahman bin Faisal University, Dammam 31441, Saudi Arabia;
| | - Heba Mitwalli
- Department of Restorative Dental Science, College of Dentistry, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Thomas W. Oates
- Department of Advanced Oral Sciences and Therapeutics, School of Dentistry, University of Maryland, Baltimore, MD 21201, USA; (T.W.O.); (G.D.H.)
| | - Gary D. Hack
- Department of Advanced Oral Sciences and Therapeutics, School of Dentistry, University of Maryland, Baltimore, MD 21201, USA; (T.W.O.); (G.D.H.)
| | - Jirun Sun
- The Forsyth Institute, A Harvard School of Dental Medicine Affiliate, 245 First Street, Cambridge, MA 02142, USA
- Correspondence: (J.S.); (M.D.W.); (H.H.K.X.)
| | - Michael D. Weir
- Department of Advanced Oral Sciences and Therapeutics, School of Dentistry, University of Maryland, Baltimore, MD 21201, USA; (T.W.O.); (G.D.H.)
- Correspondence: (J.S.); (M.D.W.); (H.H.K.X.)
| | - Hockin H. K. Xu
- Department of Advanced Oral Sciences and Therapeutics, School of Dentistry, University of Maryland, Baltimore, MD 21201, USA; (T.W.O.); (G.D.H.)
- Center for Stem Cell Biology & Regenerative Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Marlene and Stewart Greenebaum Cancer Center, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Correspondence: (J.S.); (M.D.W.); (H.H.K.X.)
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Zuluaga-Vélez A, Quintero-Martinez A, Orozco LM, Sepúlveda-Arias JC. Silk fibroin nanocomposites as tissue engineering scaffolds - A systematic review. Biomed Pharmacother 2021; 141:111924. [PMID: 34328093 DOI: 10.1016/j.biopha.2021.111924] [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: 04/11/2021] [Revised: 07/06/2021] [Accepted: 07/12/2021] [Indexed: 12/13/2022] Open
Abstract
Silk fibroin is a protein with intrinsic characteristics that make it a good candidate as a scaffold for tissue engineering. Recent works have enhanced its benefits by adding inorganic phases that interact with silk fibroin in different ways. A systematic review was performed in four databases to study the physicochemical and biological performance of silk fibroin nanocomposites. In the last decade, only 51 articles contained either in vitro cell culture models or in vivo tests. The analysis of such works resulted in their classification into the following scaffold types: particles, mats and textiles, films, hydrogels, sponge-like structures, and mixed conformations. From the physicochemical perspective, the inorganic phase imbued in silk fibroin nanocomposites resulted in better stability and mechanical performance. This review revealed that the inorganic phase may be associated with specific biological responses, such as neovascularisation, cell differentiation, cell proliferation, and antimicrobial and immunomodulatory activity. The study of nanocomposites as tissue engineering scaffolds is a highly active area mostly focused on bone and cartilage regeneration with promising results. Nonetheless, there are still many challenges related to their application in other tissues, a better understanding of the interaction between the inorganic and organic phases, and the associated biological response.
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Affiliation(s)
- Augusto Zuluaga-Vélez
- Grupo Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira, Colombia
| | - Adrián Quintero-Martinez
- Grupo Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira, Colombia
| | - Lina M Orozco
- Grupo Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira, Colombia; Grupo Polifenoles, Facultad de Tecnologías, Escuela de Química, Universidad Tecnológica de Pereira, Pereira, Colombia
| | - Juan C Sepúlveda-Arias
- Grupo Infección e Inmunidad, Facultad de Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira, Colombia.
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Mehdaoui R, Agren S, Dhahri A, El Haskouri J, Beyou E, Lahcini M, Baouab MHV. New sonochemical magnetite nanoparticles functionalization approach of dithiooxamide–formaldehyde developed cellulose: From easy synthesis to recyclable 4‐nitrophenol reduction. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6257] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Rahma Mehdaoui
- Research Unit Materials and Organic Synthesis (UR17ES31), Preparatory Institute for Engineering Studies of Monastir University of Monastir Monastir Tunisia
| | - Soumaya Agren
- Research Unit Materials and Organic Synthesis (UR17ES31), Preparatory Institute for Engineering Studies of Monastir University of Monastir Monastir Tunisia
- Department of Inorganic Chemistry Instituto de Ciencias de Los Materiales de la Universitad de Valencia Paterna Spain
| | - Abdelwahab Dhahri
- Research Unit Materials and Organic Synthesis (UR17ES31), Preparatory Institute for Engineering Studies of Monastir University of Monastir Monastir Tunisia
| | - Jamal El Haskouri
- Department of Inorganic Chemistry Instituto de Ciencias de Los Materiales de la Universitad de Valencia Paterna Spain
| | - Emmanuel Beyou
- Department of Material's Engineering Université Lyon 1, UMR CNRS5223, Ingénierie des Matériaux Polymères Villeurbanne France
| | - Mohammed Lahcini
- Laboratory of organometallic and macromolecular chemistry‐composites Materials, Faculty of Sciences and Technologies Cadi Ayyad University Marrakech Morocco
- Department of Inorganic Chemistry Mohamed VI Polytechnic University Ben Guerir Morocco
| | - Mohamed Hassen V. Baouab
- Research Unit Materials and Organic Synthesis (UR17ES31), Preparatory Institute for Engineering Studies of Monastir University of Monastir Monastir Tunisia
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Jayaramudu T, Varaprasad K, Pyarasani RD, Reddy KK, Akbari-Fakhrabadi A, Carrasco-Sánchez V, Amalraj J. Hydroxypropyl methylcellulose-copper nanoparticle and its nanocomposite hydrogel films for antibacterial application. Carbohydr Polym 2021; 254:117302. [DOI: 10.1016/j.carbpol.2020.117302] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 10/20/2020] [Accepted: 10/20/2020] [Indexed: 01/04/2023]
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8
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Innovative natural polymer metal nanocomposites and their antimicrobial activity. Int J Biol Macromol 2019; 136:586-596. [DOI: 10.1016/j.ijbiomac.2019.06.114] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 05/31/2019] [Accepted: 06/16/2019] [Indexed: 02/06/2023]
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Sowan N, Bowman CN, Cox LM, Shah PK, Song HB, Stansbury JW. Dynamic Covalent Chemistry at Interfaces: Development of Tougher, Healable Composites through Stress Relaxation at the Resin-Silica Nanoparticles Interface. ADVANCED MATERIALS INTERFACES 2018; 5:1800511. [PMID: 31106114 PMCID: PMC6521971 DOI: 10.1002/admi.201800511] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Indexed: 05/26/2023]
Abstract
The interfacial region in composites that incorporate filler materials of dramatically different modulus relative to the resin phase acts as a stress concentrator and becomes a primary locus for composite failure. A novel adaptive interface (AI) platform formed by coupling moieties capable of dynamic covalent chemistry (DCC) is introduced to the resin-filler interface to promote stress relaxation. Specifically, silica nanoparticles (SNP) are functionalized with a silane capable of addition fragmentation chain transfer (AFT), a process by which DCC-active bonds are reversibly exchanged upon light exposure and concomitant radical generation, and copolymerized with a thiol-ene resin. At a fixed SNP loading of 25 wt%, the toughness (2.3 MJ m-3) is more than doubled and polymerization shrinkage stress (0.4 MPa) is cut in half in the AI composite relative to otherwise identical composites that possess a passive interface (PI) with similar silane structure, but without the AFT moiety. In situ activation of the AI during mechanical loading results in 70% stress relaxation and three times higher fracture toughness than the PI control. When interfacial DCC was combined with resin-based DCC, the toughness was improved by 10 times relative to the composite without DCC in either the resin or at the resin-filler interface.
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Affiliation(s)
- Nancy Sowan
- Materials Science and Engineering Program, University of Colorado, Boulder, CO 80309-0596, USA
| | - Christopher N Bowman
- Materials Science and Engineering Program, University of Colorado, Boulder, CO 80309-0596, USA
| | - Lewis M Cox
- Applied Chemicals and Materials Division, National Institute of Standards and Technology (NIST), Boulder, CO 80305, USA
| | - Parag K Shah
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, CO 80309-0596, USA
| | - Han Byul Song
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, CO 80309-0596, USA
| | - Jeffrey W Stansbury
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, CO 80309-0596, USA
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