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Chitosan Schiff-Base Hydrogels-A Critical Perspective Review

GELS (2022)

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Article Chemistry, Applied

Fabrication of self-antibacterial chitosan/oxidized starch polyelectrolyte complex sponges for controlled delivery of curcumin

Ecaterina Stela Dragan et al.

Summary: In this study, novel porous polyelectrolyte complexes (PECs) were presented, which were physically stabilized by the electrostatic interaction between chitosan (CS) and oxidized starch from different sources. Two different strategies were employed for the preparation of PEC sponges, and the properties and stability of the PECs were found to be influenced by the preparation strategy and starch origin. The OxRS-based PECs exhibited faster release of curcumin compared to OxPS-based PECs. Furthermore, the PEC sponges showed antibacterial properties associated with the presence of CS and oxidized starch.

FOOD HYDROCOLLOIDS (2023)

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Article Engineering, Biomedical

Dual crosslinked pullulan-gelatin cryogel scaffold for chondrocyte-mediated cartilage repair: synthesis, characterization and in vitro evaluation

Resmi Anand et al.

Summary: Cryogels have recently attracted attention in cartilage tissue engineering. In this study, a dual crosslinked pullulan-gelatin cryogel scaffold was synthesized and shown to promote chondrocyte proliferation, enhance production of cartilage-specific extracellular matrix, and up-regulate the expression of chondrogenic marker genes. These findings suggest that the PDAG scaffold has potential applications in cartilage tissue engineering.

BIOMEDICAL MATERIALS (2022)

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Article Chemistry, Applied

Iminoboronate-chitooligosaccharides hydrogels with strong antimicrobial activity for biomedical applications

Daniela Ailincai et al.

Summary: The paper discusses the preparation and characterization of hydrogels from chitooligosaccharides crosslinked with 2-formylphenylboronicacid, showing promising properties in terms of biodegradability and antimicrobial activity. The results indicate that hydrogels with lower polymerization degrees exhibit higher biodegradation rates and remarkable antimicrobial properties against various strains. Further in vivo and in vitro biocompatibility tests on experimental mice demonstrate no cytotoxic effects, highlighting the potential applications of these hydrogels in the biomedical field.

CARBOHYDRATE POLYMERS (2022)

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Article Biochemistry & Molecular Biology

Chitosan crosslinking with a vanillin isomer toward self-healing hydrogels with antifungal activity

Manuela-Maria Iftime et al.

Summary: This study aimed to develop new antimicrobial hydrogels from natural resources for promoting wound healing and preventing bacterial skin infection. The hydrogels were synthesized by crosslinking chitosan with a vanillin isomer through a simple and environmentally friendly method. Their structural and morphological properties were characterized by various techniques, and in vitro investigations were conducted on their swelling behavior, biodegradability, antimicrobial activity, and biocompatibility. The results showed that the new hydrogels had highly porous structures and controlled swelling rates, as well as strong antifungal properties. These findings suggest that the hydrogels have great potential for the treatment of various skin lesions.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2022)

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Article Polymer Science

Self-Healing Behavior of Polymer/Protein Hybrid Hydrogels

Maria Bercea

Summary: This paper presents the viscoelastic properties of new hybrid hydrogels containing PVA, HPC, BSA, and GSH. The hydrogels form a weak network due to partial BSA unfolding in the presence of GSH after heating. By applying freezing/thawing cycles, a stable porous network structure with elastic properties is designed, and the hydrogels exhibit self-healing abilities. The effects of BSA content, deformation, and temperature on the self-healing ability are discussed.

POLYMERS (2022)

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Article Chemistry, Applied

Carboxymethyl chitosan and carboxymethyl cellulose based self-healing hydrogel for accelerating diabetic wound healing

Guozhu Chang et al.

Summary: A new dual drug delivery system CMCSH was designed to promote diabetic wound healing effectively. This system improved drug availability, promoted cell proliferation, and reduced inflammation.

CARBOHYDRATE POLYMERS (2022)

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Article Materials Science, Paper & Wood

Cellulose surface modification for improved attachment of carbon nanotubes

Madalina Elena Culica et al.

Summary: This paper addresses the important issue of improving the compatibility of components in order to obtain composite materials with special properties. By modifying the fibers and carbon nanotubes, new materials with enhanced thermal and electrical properties were successfully prepared.

CELLULOSE (2022)

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Review Chemistry, Physical

Selective Oxidation of Cellulose-A Multitask Platform with Significant Environmental Impact

Ioana A. Duceac et al.

Summary: Raw cellulose and agro-industrial waste have been widely used in environmental applications, such as industrial water decontamination, due to their effectiveness, availability, and low production cost. Selective oxidation of cellulose has been a versatile method to obtain high-performance cellulose-based materials with various applications.

MATERIALS (2022)

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Article Polymer Science

Self-Healing Chitosan Hydrogels: Preparation and Rheological Characterization

Anda Mihaela Craciun et al.

Summary: This paper focuses on the preparation of chitosan self-healing hydrogels as carriers for local drug delivery. Through varying the ratio of glucosamine units and aldehyde and the water content, 30 hydrogels were prepared using chitosan and pyridoxal 5-phosphate (P5P). The driving forces of hydrogelation, stability, degradability, and self-healing ability were evaluated through various measurements. The results suggest that chitosan crosslinking with pyridoxal 5-phosphate is a suitable method to obtain self-healing hydrogels with good mechanical properties, structural recovery, stability, and pH-controlled degradability.

POLYMERS (2022)

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Review Biotechnology & Applied Microbiology

Biopolymers and their derivatives: Key components of advanced biomedical technologies

Ioana A. Duceac et al.

Summary: This article discusses the importance of finding novel materials in the biomedical field, focusing on the advantages of polysaccharides produced from natural resources. It also examines the chemical and biological characteristics of several primary polysaccharides and their derivatives.

BIOTECHNOLOGY ADVANCES (2022)

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Review Chemistry, Multidisciplinary

Customizing nano-chitosan for sustainable drug delivery

Mostafa Saeedi et al.

Summary: This article reviews the importance of chitosan in drug delivery applications, discussing different types and functionalities of cross-linkers and fabrication methods for chitosan hydrogels. It also explores recent advances in advanced chitosan hydrogels for oral drug delivery, transdermal drug delivery, and cancer therapy.

JOURNAL OF CONTROLLED RELEASE (2022)

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Article Polymer Science

Hemostatic Cryogels Based on Oxidized Pullulan/Dopamine with Potential Use as Wound Dressings

Raluca Ioana Baron et al.

Summary: Research on hydrogels based on selectively oxidized polysaccharides has been driven by the diversity of potential biomedical applications. The study demonstrates that multifunctional cryogels based on dialdehyde pullulan and dopamine have been successfully designed and verified, showing promising mechanical stability and hemostatic activity for wound management.

GELS (2022)

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Article Biochemistry & Molecular Biology

Chitosan crosslinking with pyridoxal 5-phosphate vitamer toward biocompatible hydrogels for in vivo applications

Anda-Mihaela Craciun et al.

Summary: The study demonstrated the preparation of hydrogels using vitamin B6 and chitosan, showing their multifunctionality and suitability for in vivo applications. The hydrogels had a microporous structure and good shape preservation, with degradation controlled by enzymatic reactions.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2021)

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Article Biochemistry & Molecular Biology

All-polysaccharide hydrogels for drug delivery applications: Tunable chitosan beads surfaces via physical or chemical interactions, using oxidized pullulan

Ioana A. Duceac et al.

Summary: The study presents a versatile approach to the production of chitosan beads with adjustable pore size and targeted properties through interaction with oxidized pullulan derivatives. Covalent or physical hybrid hydrogels were prepared based on the functional groups of the pullulan structure after oxidation. Drug loading and release assays showed high drug loading capacity and tunable release behavior in the drug loaded beads.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2021)

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Article Polymer Science

Synthesis, Controlled Release, and Stability on Storage of Chitosan-Thyme Essential Oil Nanocapsules for Food Applications

Ricardo M. Gonzalez-Reza et al.

Summary: The study focused on the preparation and storage of chitosan-thyme oil nanocapsules, indicating that storage time and temperature significantly altered the particle size and antioxidant capacity, with the nano-size being maintained and bioactive substance release following specific kinetic models.

GELS (2021)

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Article Biochemistry & Molecular Biology

All-Polysaccharide, Self-Healing Injectable Hydrogels Based on Chitosan and Oxidized Hydroxypropyl Polysaccharides

Junyi Chen et al.

BIOMACROMOLECULES (2020)

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Article Materials Science, Biomaterials

3D printable and injectable lactoferrin-loaded carboxymethyl cellulose-glycol chitosan hydrogels for tissue engineering applications

Gopinathan Janarthanan et al.

MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS (2020)

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Article Polymer Science

Design and Preparation of New Multifunctional Hydrogels Based on Chitosan/Acrylic Polymers for Drug Delivery and Wound Dressing Applications

Ioana A. Duceac et al.

POLYMERS (2020)

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Article Chemistry, Organic

Beauty in Chemistry: Making Artistic Molecules with Schiff Bases

Luigi Fabbrizzi

JOURNAL OF ORGANIC CHEMISTRY (2020)

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Article Polymer Science

3D Printing of a Reactive Hydrogel Bio-Ink Using a Static Mixing Tool

Maria Puertas-Bartolome et al.

POLYMERS (2020)

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Article Biochemistry & Molecular Biology

Synthesis and Characterization of Oxidized Polysaccharides for In Situ Forming Hydrogels

Muhammad Muhammad et al.

BIOMOLECULES (2020)

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Article Polymer Science

Hydrogels Based on Imino-Chitosan Amphiphiles as a Matrix for Drug Delivery Systems

Daniela Ailincai et al.

POLYMERS (2020)

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Article Materials Science, Biomaterials

Tuning the strength and swelling of an injectable polysaccharide hydrogel and the subsequent release of a broad spectrum bacteriocin, nisin A

James Flynn et al.

JOURNAL OF MATERIALS CHEMISTRY B (2020)

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Article Chemistry, Physical

Nitrosalicyl-imine-chitosan hydrogels based drug delivery systems for long term sustained release in local therapy

Anda Mihaela Craciun et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2019)

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Article Materials Science, Biomaterials

Magnetic and self-healing chitosan-alginate hydrogel encapsulated gelatin microspheres via covalent cross-linking for drug delivery

Xueyun Chen et al.

MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS (2019)

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Review Biochemistry & Molecular Biology

Hydrogels Based on Schiff Base Linkages for Biomedical Applications

Junpeng Xu et al.

MOLECULES (2019)

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Article Chemistry, Applied

Designing chitosan based eco-friendly multifunctional soil conditioner systems with urea controlled release and water retention

Manuela Maria Iftime et al.

CARBOHYDRATE POLYMERS (2019)

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Article Biochemistry & Molecular Biology

Preparation and characterization of chitosan - collagen peptide/oxidized konjac glucomannan hydrogel

Liangling Liu et al.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2018)

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Article Biochemistry & Molecular Biology

Poly(vinyl Chloride) Photostabilization in the Presence of Schiff Bases Containing a Thiadiazole Moiety

Naser Shaalan et al.

MOLECULES (2018)

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Article Nanoscience & Nanotechnology

On-Demand Dissolvable Self-Healing Hydrogel Based on Carboxymethyl Chitosan and Cellulose Nanocrystal for Deep Partial Thickness Burn Wound Healing

Weijuan Huang et al.

ACS APPLIED MATERIALS & INTERFACES (2018)

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Article Polymer Science

Fabrication of Novel Ball-Like Polystyrene Films Containing Schiff Base Microspheres as Photostabilizers

Emad Yousif et al.

POLYMERS (2018)

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Article Biochemistry & Molecular Biology

Physicochemical properties and biological activities of novel blend films using oxidized pectin/chitosan

Asma Chetouani et al.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2017)

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Article Materials Science, Multidisciplinary

Flexible Polysaccharide Hydrogel with pH-Regulated Recovery of Self-Healing and Mechanical Properties

Fuyuan Ding et al.

MACROMOLECULAR MATERIALS AND ENGINEERING (2017)

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Article Materials Science, Biomaterials

Covalent and injectable chitosan-chondroitin sulfate hydrogels embedded with chitosan microspheres for drug delivery and tissue engineering

Ming Fan et al.

MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS (2017)

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Review Chemistry, Multidisciplinary

The design, mechanism and biomedical application of self-healing hydrogels

Qiwen Li et al.

CHINESE CHEMICAL LETTERS (2017)

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Article Chemistry, Applied

Protein adsorption of dialdehyde cellulose-crosslinked chitosan with high amino group contents

Ung-Jin Kim et al.

CARBOHYDRATE POLYMERS (2017)

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Article Chemistry, Applied

Synthesis and characterization of Schiff base contained dextran microgels in water-in-oil inverse microemulsion

Hongying Su et al.

CARBOHYDRATE POLYMERS (2016)

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Article Multidisciplinary Sciences

N-succinyl chitosan-dialdehyde starch hybrid hydrogels for biomedical applications

Elbadawy A. Kamoun

JOURNAL OF ADVANCED RESEARCH (2016)

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Article Engineering, Biomedical

Antibacterial and conductive injectable hydrogels based on quaternized chitosan-graft-polyaniline/oxidized dextran for tissue engineering

Xin Zhao et al.

ACTA BIOMATERIALIA (2015)

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Article Chemistry, Applied

Imino-chitosan biopolymeric films. Obtaining, self-assembling, surface and antimicrobial properties

Luminita Marin et al.

CARBOHYDRATE POLYMERS (2015)

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Article Chemistry, Physical

A dynamic and self-crosslinked polysaccharide hydrogel with autonomous self-healing ability

Fuyuan Ding et al.

SOFT MATTER (2015)

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Article Polymer Science

Photochemical Stability and Photostabilizing Efficiency of Poly(methyl methacrylate) Based on 2-(6-Methoxynaphthalen-2-yl)propanoate Metal Ion Complexes

Emad Yousif et al.

POLYMERS (2015)

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Article Chemistry, Multidisciplinary

One-shot carboxylation of microcrystalline cellulose in the presence of nitroxyl radicals and sodium periodate

Sergiu Coseri et al.

RSC ADVANCES (2015)

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Article Engineering, Biomedical

Biodegradable and injectable in situ cross-linking chitosan-hyaluronic acid based hydrogels for postoperative adhesion prevention

Ling Li et al.

BIOMATERIALS (2014)

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Article Chemistry, Multidisciplinary

Out-of-Water Constitutional Self-Organization of Chitosan-Cinnamaldehyde Dynagels

Luminita Marin et al.

CHEMISTRY-A EUROPEAN JOURNAL (2014)

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Article Chemistry, Physical

Tuning drug release from smart microgel-hydrogel composites via cross-linking

Daryl Sivakumaran et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2013)

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Review Biochemistry & Molecular Biology

Schiff Bases: A Short Survey on an Evergreen Chemistry Tool

Wenling Qin et al.

MOLECULES (2013)

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Article Materials Science, Biomaterials

Antifungal vanillin-imino-chitosan biodynameric films

Luminita Marin et al.

JOURNAL OF MATERIALS CHEMISTRY B (2013)

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Article Pharmacology & Pharmacy

In situ injectable nano-composite hydrogel composed of curcumin, N,O-carboxymethyl chitosan and oxidized alginate for wound healing application

Xingyi Li et al.

INTERNATIONAL JOURNAL OF PHARMACEUTICS (2012)

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Article Chemistry, Applied

Enhanced pH-responsive carrier system based on alginate and chemically modified carboxymethyl chitosan for oral delivery of protein drugs: Preparation and in-vitro assessment

Ibrahim M. El-Sherbiny

CARBOHYDRATE POLYMERS (2010)

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Article Engineering, Environmental

An injectable oxidized carboxymethylcellulose/N-succinyl-chitosan hydrogel system for protein delivery

Shaoyu Lue et al.

CHEMICAL ENGINEERING JOURNAL (2010)

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Review Chemistry, Multidisciplinary

Hydrogels in Regenerative Medicine

Brandon V. Slaughter et al.

ADVANCED MATERIALS (2009)

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