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Siddhartha TR, Kooy E, Kashif M, Che CA, Ghysels S, Wu D, Ronsse F, Heynderickx PM. Evaluation of South Korean marine waste resources for hydrochar production: Effect of process variables. BIORESOURCE TECHNOLOGY 2024; 410:131286. [PMID: 39153687 DOI: 10.1016/j.biortech.2024.131286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 07/19/2024] [Accepted: 08/14/2024] [Indexed: 08/19/2024]
Abstract
This study assessed the hydrochar production potential of fish and crustacean waste from 8 marine species (Scomber japonicus, Trichiurus lepturus, Larimichthys polyactis, Trachurus trachurus, Paralichthys olivaceus Litopenaeus vannamei, Portunus trituberculatus, and Penaeus monodon) through hydrothermal carbonization (HTC) of their waste fractions. The impact of reaction temperature (200 - 240°C), fixed residence time (5 h), and water-to-biomass ratio (7) on HTC was analyzed. The results showed that hydrochar yields varied between fish (15.1 - 21.5 %) and crustaceans (36.9 - 69.3 %). The elemental composition and surface properties of the hydrochar were influenced by reaction temperature, as indicated by the pH point of zero charge. The adsorption capacity of hydrochar was tested for methylene blue (MB, 2.7 - 10.8 mg/g) and methyl orange (MO, 5.9 - 9.2 mg/g), with MO showing higher adsorption, except for Scomber japonicus, Larimichthys polyactis, and Trachurus trachurus. These findings highlight the significant potential for converting marine waste into valuable hydrochar, contributing to waste management and sustainable resource utilization.
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Affiliation(s)
- Tatwadhika Rangin Siddhartha
- Center of Green Chemistry and Environmental Biotechnology (GREAT), Ghent University Global Campus, 119-5 Songdo Munhwa-ro, Yeonsu-gu, Incheon 406-840, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Elisa Kooy
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Muhammad Kashif
- Center of Green Chemistry and Environmental Biotechnology (GREAT), Ghent University Global Campus, 119-5 Songdo Munhwa-ro, Yeonsu-gu, Incheon 406-840, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Clovis Awah Che
- Center of Green Chemistry and Environmental Biotechnology (GREAT), Ghent University Global Campus, 119-5 Songdo Munhwa-ro, Yeonsu-gu, Incheon 406-840, Republic of Korea
| | - Stef Ghysels
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Di Wu
- Center of Green Chemistry and Environmental Biotechnology (GREAT), Ghent University Global Campus, 119-5 Songdo Munhwa-ro, Yeonsu-gu, Incheon 406-840, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Frederik Ronsse
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium
| | - Philippe M Heynderickx
- Center of Green Chemistry and Environmental Biotechnology (GREAT), Ghent University Global Campus, 119-5 Songdo Munhwa-ro, Yeonsu-gu, Incheon 406-840, Republic of Korea; Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, 653 Coupure Links, Ghent B-9000, Belgium.
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Piccoli MB, Gulotta FA, Montenegro MA, Vanden Braber NL, Paz Zanini VI, Ferreyra NF. Immobilization of Horseradish Peroxidase onto Montmorillonite/Glucosamine-Chitosan Composite for Electrochemical Biosensing of Polyphenols. BIOSENSORS 2024; 14:278. [PMID: 38920582 PMCID: PMC11201438 DOI: 10.3390/bios14060278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/24/2024] [Accepted: 05/28/2024] [Indexed: 06/27/2024]
Abstract
Glucosamine-chitosan synthesized by the Maillard reaction was combined with montmorillonite to obtain a nanohybrid composite to immobilize horseradish peroxidase. The material combines the advantageous properties of clay with those of the chitosan derivative; has improved water solubility and reduced molecular weight and viscosity; involves an eco-friendly synthesis; and exhibits ion exchange capacity, good adhesiveness, and a large specific surface area for enzyme adsorption. The physicochemical characteristics of the composite were analyzed by infrared spectroscopy and X-ray diffraction to determine clay-polycation interactions. The electrochemical response of the different polyphenols to glassy carbon electrodes modified with the composite was evaluated by cyclic voltammetry. The sensitivity and detection limit values obtained with the biosensor toward hydroquinone, chlorogenic acid, catechol, and resorcinol are (1.6 ± 0.2) × 102 µA mM-1 and (74 ± 8) nM; (1.2 ± 0.1) × 102 µA mM-1 and (26 ± 3) nM; (16 ± 2) µA mM-1 and (0.74 ± 0.09) μM; and (3.7± 0.3) µA mM-1 and (3.3 ± 0.2) μM, respectively. The biosensor was applied to quantify polyphenols in pennyroyal and lemon verbena extracts.
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Affiliation(s)
- María Belén Piccoli
- Instituto de Investigaciones en Fisicoquímica de Córdoba (INFIQC-UNC-CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba X5000HUA, Argentina;
| | | | - Mariana Angélica Montenegro
- Centro de Investigaciones y Transferencia de Villa María (CIT-VM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Villa María (UNVM), Villa María X5220XAO, Argentina; (M.A.M.); (N.L.V.B.)
| | - Noelia Luciana Vanden Braber
- Centro de Investigaciones y Transferencia de Villa María (CIT-VM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Villa María (UNVM), Villa María X5220XAO, Argentina; (M.A.M.); (N.L.V.B.)
| | - Verónica Irene Paz Zanini
- Instituto de Bionanotecnología del NOA (INBIONATEC), Consejo Nacional de Investigaciones Científicas y Técnicas CONICET, Universidad Nacional de Santiago del Estero (UNSE), Santiago del Estero G4206XCP, Argentina
| | - Nancy Fabiana Ferreyra
- Instituto de Investigaciones en Fisicoquímica de Córdoba (INFIQC-UNC-CONICET), Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba X5000HUA, Argentina;
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Martín-Sampedro R, Aranda P, Del Real G, Ruiz-Hitzky E, Darder M. Effect of the combined addition of ultrasonicated kraft lignin and montmorillonite on hydroxypropyl methylcellulose bionanocomposites. NANOSCALE ADVANCES 2023; 5:4107-4123. [PMID: 37560428 PMCID: PMC10408596 DOI: 10.1039/d3na00283g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 07/07/2023] [Indexed: 08/11/2023]
Abstract
Although hydroxypropyl methylcellulose (HPMC) has been proposed as renewable substitute for traditional plastic, its barrier and active properties need to be improved. Thus, the combination of an organic residue such as kraft lignin (0-10% w/w) and a natural clay such as montmorillonite (3% w/w) by application of ultrasound can significantly improve HPMC properties. This is most likely due to the close interaction between lignin and montmorillonite, which leads to delamination of the clay and improves its dispersion within the HPMC matrix. Specifically, the addition of kraft lignin to the bionanocomposite films provided them with UV-shielding, antioxidant capacity and antibacterial activity. The incorporation of 3% montmorillonite resulted in reductions of 65.8% and 11.4% in oxygen (OP) and water vapor permeabilities (WVP), respectively. Moreover, a reduction of 43.8% in WVP was achieved when both lignin (1%) and montmorillonite (3%) were incorporated, observing a synergistic effect. Thus, the HPMC bionanocomposite with 1% lignin and 3% montmorillonite, presented good thermal stability and mechanical strength with significantly improved gas barrier permeability, as well as UV-shielding (maintaining a good transparency), antioxidant and antibacterial activities.
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Affiliation(s)
- Raquel Martín-Sampedro
- Materials Science Institute of Madrid (ICMM), CSIC C/ Sor Juana Inés de la Cruz 3 28049 Madrid Spain
- Institute of Forest Sciences (ICIFOR), INIA - CSIC Ctra. de la Coruña, km 7.5 28040 Madrid Spain
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC) Madrid Spain
| | - Pilar Aranda
- Materials Science Institute of Madrid (ICMM), CSIC C/ Sor Juana Inés de la Cruz 3 28049 Madrid Spain
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC) Madrid Spain
| | - Gustavo Del Real
- National Institute of Agricultural and Food Research and Technology (INIA), CSIC Ctra. de la Coruña, km 7.5 28040 Madrid Spain
| | - Eduardo Ruiz-Hitzky
- Materials Science Institute of Madrid (ICMM), CSIC C/ Sor Juana Inés de la Cruz 3 28049 Madrid Spain
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC) Madrid Spain
| | - Margarita Darder
- Materials Science Institute of Madrid (ICMM), CSIC C/ Sor Juana Inés de la Cruz 3 28049 Madrid Spain
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC) Madrid Spain
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Constantino VRL, Figueiredo MP, Magri VR, Eulálio D, Cunha VRR, Alcântara ACS, Perotti GF. Biomaterials Based on Organic Polymers and Layered Double Hydroxides Nanocomposites: Drug Delivery and Tissue Engineering. Pharmaceutics 2023; 15:pharmaceutics15020413. [PMID: 36839735 PMCID: PMC9961265 DOI: 10.3390/pharmaceutics15020413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 01/28/2023] Open
Abstract
The development of biomaterials has a substantial role in pharmaceutical and medical strategies for the enhancement of life quality. This review work focused on versatile biomaterials based on nanocomposites comprising organic polymers and a class of layered inorganic nanoparticles, aiming for drug delivery (oral, transdermal, and ocular delivery) and tissue engineering (skin and bone therapies). Layered double hydroxides (LDHs) are 2D nanomaterials that can intercalate anionic bioactive species between the layers. The layers can hold metal cations that confer intrinsic biological activity to LDHs as well as biocompatibility. The intercalation of bioactive species between the layers allows the formation of drug delivery systems with elevated loading capacity and modified release profiles promoted by ion exchange and/or solubilization. The capacity of tissue integration, antigenicity, and stimulation of collagen formation, among other beneficial characteristics of LDH, have been observed by in vivo assays. The association between the properties of biocompatible polymers and LDH-drug nanohybrids produces multifunctional nanocomposites compatible with living matter. Such nanocomposites are stimuli-responsive, show appropriate mechanical properties, and can be prepared by creative methods that allow a fine-tuning of drug release. They are processed in the end form of films, beads, gels, monoliths etc., to reach orientated therapeutic applications. Several studies attest to the higher performance of polymer/LDH-drug nanocomposite compared to the LDH-drug hybrid or the free drug.
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Affiliation(s)
- Vera Regina Leopoldo Constantino
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, CEP 05513-970, São Paulo 05513-970, SP, Brazil
- Correspondence: ; Tel.: +55-11-3091-9152
| | - Mariana Pires Figueiredo
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, CEP 05513-970, São Paulo 05513-970, SP, Brazil
| | - Vagner Roberto Magri
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, CEP 05513-970, São Paulo 05513-970, SP, Brazil
| | - Denise Eulálio
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, CEP 05513-970, São Paulo 05513-970, SP, Brazil
| | - Vanessa Roberta Rodrigues Cunha
- Instituto Federal de Educação, Ciência e Tecnologia de Mato Grosso (IFMT), Linha J, s/n–Zona Rural, Juína 78320-000, MT, Brazil
| | | | - Gustavo Frigi Perotti
- Instituto de Ciências Exatas e Tecnologia, Universidade Federal do Amazonas, Rua Nossa Senhora do Rosário, 3863, Itacoatiara 69103-128, AM, Brazil
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Saad Aldoori M, Merdivan M, Altınışık Tağaç A. Metal organic framework/clay composite for micro-dispersive solid-phase extraction of sulfonamides and penicillins in milk, and synthetic urine solution coupling with HPLC/DAD detection. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Gupta P, Toksha B, Rahaman M. A Review on Biodegradable Packaging Films from Vegetative and Food Waste. CHEM REC 2022; 22:e202100326. [PMID: 35253984 DOI: 10.1002/tcr.202100326] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 02/19/2022] [Indexed: 01/11/2023]
Abstract
Plastics around the globe have been a matter of grave concern due to the unavoidable habits of human mankind. Taking waste statistics in India for the year 2019-20 into account, the data of 60 major cities show that the generation of plastic waste stands tall at around 26,000 tonnes/day, of which only about 60 % is recycled. A majority of the non-recycled plastic waste is petrochemical-based packaging materials that are non-biodegradable in nature. Vegetative/food waste is another global issue, evidenced by vastly populated countries such as China and India accounting for 91 and 69 tonnes of food wastage, respectively in 2019. The mitigation of plastic packaging issues has led to key scientific developments, one of which is biodegradable materials. However, there is a way that these two waste-related issues can be fronted as the analogy of "taking two shots with the same arrow". The presence of various bio-compounds such as proteins, cellulose, starch, lipids, and waxes, etc., in food and vegetative waste, creates an opportunity for the development of biodegradable packaging films. Although these flexible packaging films have limitations in terms of mechanical, permeation, and moisture absorption characteristics, they can be fine-tuned in order to convert the biobased raw material into a realizable packaging product. These strategies could work in replacing petrochemical-based non-biodegradable packaging plastics which are used in enormous quantities for various household and commercial packaging applications to combat the ever-increasing pollution in highly populated countries. This paper presents a systematic review based on modern scientific tools of the literature available with a major emphasis on the past decade and aims to serve as a standard resource for the development of biodegradable packaging films from food/vegetative waste.
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Affiliation(s)
- Prashant Gupta
- MIT - Centre for Advanced Materials Research and Technology, Department of Plastic and Polymer Engineering, Maharashtra Institute of Technology, Aurangabad, 431010
| | - Bhagwan Toksha
- MIT - Centre for Advanced Materials Research and Technology, Department of Electronics and Telecommunication Engineering, Maharashtra Institute of Technology, Aurangabad, 431010
| | - Mostafizur Rahaman
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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Saengdet P, Ogawa M. Mechanochromic Luminescence of Bionanocomposite Hydrogel. Chem Commun (Camb) 2022; 58:3278-3281. [DOI: 10.1039/d1cc07249h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bionanocomposite hydrogels were prepared from gelatin hydrogel and subsequent ionic crosslinking in the presence of the smectite with adsorbed cyanine dye (pseudoisocyanine). In addition to the improved mechanical properties achieved...
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Altınışık Tağaç A, Erdem P, Seyhan Bozkurt S, Merdivan M. Utilization of montmorillonite nanocomposite incorporated with natural biopolymers and benzyl functionalized dicationic imidazolium based ionic liquid coated fiber for solid-phase microextraction of organochlorine pesticides prior to GC/MS and GC/ECD. Anal Chim Acta 2021; 1185:339075. [PMID: 34711316 DOI: 10.1016/j.aca.2021.339075] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/10/2021] [Accepted: 09/15/2021] [Indexed: 11/30/2022]
Abstract
A novel montmorillonite clay (MMT) bionanocomposite modified with chitosan (CH), carboxymethyl cellulose (CMC), and benzylimidazolium based dicationic ionic liquid with tetraethylene glycol linker (DIL) was fabricated on stainless steel wire by in situ process. The MMT-CH-CMC-DIL coated solid-phase microextraction (SPME) fiber was examined for the determination of organochlorine pesticides (OCPs) in real samples by HS-SPME-GC method using mass spectrometry (MS) and electron capture detector (ECD). Under optimized conditions, the proposed method exhibited low limits of detection (0.5 ng L-1 with MS and 0.1 ng L-1 with ECD detection), good linearities (R2 = 0.9972-0.9993 with MS and 0.9987-0.9998 with ECD detection), favorable single-fiber repeatability, and fiber-to-fiber reproducibility (less than 8.2% and 9.9% for both types of detection) and high reusability around 125 cycles. Recovery studies were carried out for OCPs in tap water, green tea, and milk samples to verify the applicability of the developed SPME-GC method.
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Affiliation(s)
- Aylin Altınışık Tağaç
- Chemistry Department, Dokuz Eylul University, Tınaztepe Campus, 35390, Izmir, Turkey
| | - Pelin Erdem
- Chemistry Department, Dokuz Eylul University, Tınaztepe Campus, 35390, Izmir, Turkey
| | - Serap Seyhan Bozkurt
- Chemistry Department, Dokuz Eylul University, Tınaztepe Campus, 35390, Izmir, Turkey
| | - Melek Merdivan
- Chemistry Department, Dokuz Eylul University, Tınaztepe Campus, 35390, Izmir, Turkey.
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Pinto L, Bonifacio MA, De Giglio E, Santovito E, Cometa S, Bevilacqua A, Baruzzi F. Biopolymer hybrid materials: Development, characterization, and food packaging applications. Food Packag Shelf Life 2021. [DOI: 10.1016/j.fpsl.2021.100676] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Boukhalfa N, Darder M, Boutahala M, Aranda P, Ruiz-Hitzky E. Composite Nanoarchitectonics: Alginate Beads Encapsulating Sepiolite/Magnetite/Prussian Blue for Removal of Cesium Ions from Water. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20200247] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Nadia Boukhalfa
- Laboratory of Chemical Process Engineering, Department of Process Engineering, Faculty of Technology, University of Ferhat Abbas Setif-1, 19000 Setif, Algeria
- Instituto de Ciencia de Materiales de Madrid, CSIC, c/Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain
| | - Margarita Darder
- Instituto de Ciencia de Materiales de Madrid, CSIC, c/Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain
| | - Mokhtar Boutahala
- Laboratory of Chemical Process Engineering, Department of Process Engineering, Faculty of Technology, University of Ferhat Abbas Setif-1, 19000 Setif, Algeria
| | - Pilar Aranda
- Instituto de Ciencia de Materiales de Madrid, CSIC, c/Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain
| | - Eduardo Ruiz-Hitzky
- Instituto de Ciencia de Materiales de Madrid, CSIC, c/Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain
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da Silva JC, França D, Rodrigues F, Oliveira DM, Trigueiro P, Silva Filho E, Fonseca M. What happens when chitosan meets bentonite under microwave-assisted conditions? Clay-based hybrid nanocomposites for dye adsorption. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125584] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Rebitski EP, Darder M, Carraro R, Aranda P, Ruiz-Hitzky E. Chitosan and pectin core–shell beads encapsulating metformin–clay intercalation compounds for controlled delivery. NEW J CHEM 2020. [DOI: 10.1039/c9nj06433h] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Clay–metformin intercalation compounds as a reservoir in biopolymer core–shell beads as an example of targeted controlled release systems for oral drug administration.
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Affiliation(s)
| | - Margarita Darder
- Instituto de Ciencia de Materiales de Madrid
- CSIC
- 28049 Madrid
- Spain
| | - Raffaele Carraro
- Instituto de Investigación Biomédica del Hospital Universitario de La Princesa
- 28005 Madrid
- Spain
| | - Pilar Aranda
- Instituto de Ciencia de Materiales de Madrid
- CSIC
- 28049 Madrid
- Spain
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Vigani B, Rossi S, Sandri G, Bonferoni MC, Caramella CM, Ferrari F. Hyaluronic acid and chitosan-based nanosystems: a new dressing generation for wound care. Expert Opin Drug Deliv 2019; 16:715-740. [PMID: 31215823 DOI: 10.1080/17425247.2019.1634051] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION The main goal in the management of chronic wounds is the development of multifunctional dressings able to promote a rapid recovery of skin structure and function, improving patient compliance. AREAS COVERED This review discusses the use of nanosystems, based on hyaluronic acid and chitosan or their derivatives for the local treatment of chronic wounds. The bioactive properties of both polysaccharides will be described, as well as the results obtained in the last decade by the in vitro and in vivo evaluation of the wound healing properties of nanosystems based on such polymers. EXPERT OPINION In the last decades, there has been a progressive change in the local treatments of chronic wounds: traditional inert dressings have been replaced by more effective bioactive ones, based on biopolymers taking part in wound healing and able to release the loaded active agents in a controlled way. With the advance of nanotechnologies, the scenario has further changed: nanosystems, characterized by a large area-to-volume ratio, show an improved interaction with the biological substrates, amplifying the activity of the constituent biopolymers. In the coming years, a deeper insight into wound healing mechanisms and the development of new techniques for nanosystem manufacturing will results in the design of new scaffolds with improved performance.
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Affiliation(s)
- Barbara Vigani
- a Department of Drug Science, University of Pavia , Pavia , Italy
| | - Silvia Rossi
- a Department of Drug Science, University of Pavia , Pavia , Italy
| | | | | | | | - Franca Ferrari
- a Department of Drug Science, University of Pavia , Pavia , Italy
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