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Topic Review
Biography
Topic Review
Chitosan-Based Polyurethane Flexible Foams
Polyurethane (PUR) foam is a synthetic polymer.
832
14 Sep 2021
Topic Review
Red Cabbage Anthocyanins in Smart Food Packaging, Sensors
Anthocyanins, as one of the water-soluble phenolic compounds, are able to generate a wide range of colors (for example, blue, purple, orange, and red) that are widely isolated from flowers, cereals, fruits, and vegetables. In addition, based on the pH values of the solution, anthocyanins can be found in different colors and chemical forms that can monitor food quality parameters, and eventually, keep track of food products over the shelf life period. The reversible color attributes of anthocyanins-rich solutions are associated with the source, composition, and configuration of anthocyanins.
831
28 Apr 2022
Topic Review
Covalent and Non-Covalent Interactions in Chitosan-Based Biomaterials
Chitosan (CS) is a natural biopolymer that has gained great interest in many research fields due to its promising biocompatibility, biodegradability, and favorable mechanical properties. Through covalent and non-covalent chemical modifications, CS derivatives can reach optimal properties for the development of smart biomaterials in a wide range of biomedial applications.
820
12 Jan 2022
Topic Review
Biopolymer-Based Dye Removal Technologies
Synthetic dyes have become an integral part of many industries such as textiles, tannin and even food and pharmaceuticals. Industrial dye effluents from various dye utilizing industries are considered harmful to the environment and human health due to their intense color, toxicity and carcinogenic nature.
814
23 Nov 2021
Topic Review
Electrospun Polymer Nanofibers
Electrospun polymer nanofibers constitute one of the most important nanomaterials with diverse applications. Nanofibers are classified as fibers with a ratio of length to thickness in the order of one thousand, or nanomaterials that have at least one dimension of 100 nm or less. A nanofiber with a diameter of ∼100 nm can have a specific surface area up to 1000 m2/g. Nanofibers can be produced by selecting the proper combination of polymers and additives, and using appropriate production techniques based on several essential characteristics that impact criteria of the intended particular application area. Electrospinning of polymer nanofibers is a widely used for investigation of their properties for uses in quite diverse applications. Attractive properties of electrospun nanofibers include the extremely high specific surface area, high porosity (typically 90%), light weight, controllable pore size, flexibility in surface functionalities, large permeability, excellent mechanical properties, high aspect ratio, and length up to many centimeters. Due to their exceptional characteristics, electrospun polymer nanofibers are used in many applications, which include biomedical technology, such as tissue engineering, wound healing and dressing, and drug delivery systems. In addition they have diverse uses in sensors and biosensors applications, air filtration, defense applications, energy devices and protective textiles.
812
12 Jan 2023
Topic Review
Applications of Polyvinyl Alcohol-Chitosan Hydrogel
Tissue engineering and regenerative medicine (TERM) holds great promise for addressing the growing need for innovative therapies to treat disease conditions. To achieve this, TERM relies on various strategies and techniques. The most prominent strategy is the development of a scaffold. Polyvinyl alcohol-chitosan (PVA-CS) scaffold emerged as a promising material in this field due to its biocompatibility, versatility, and ability to support cell growth and tissue regeneration.
810
07 Jun 2023
Topic Review
Additive Manufacturing for Antimicrobial Materials
3D Printing, also known as fused filament fabrication (FFF), continues to open new routes to the production of high-performance and complex structures with enhanced properties and dynamic shapes that are unattainable via conventional fabrication methods.
810
23 Jun 2021
Topic Review
Polyurethanes and Green Chemistry
Polyurethanes are most often called “green” when they contain natural, renewable additives in their network or chemical structure, such as mono- and polysaccharides, vegetable oils, polyphenols, or various compounds derived from agro-waste white biotechnology. The use of these natural substrates is in line with the principles of green chemistry. However, other principles among all 12 can also be used in the production of polyurethanes.
810
11 Nov 2021
Topic Review
Hybrid Reinforced Polymer Matrix Composites
The use of composite materials has seen many new innovations for a large variety of applications. The area of reinforcement in composites is also rapidly evolving with many new discoveries, including the use of hybrid fibers, sustainable materials, and nanocellulose.
809
22 Feb 2023
Topic Review
Friction Stir Welding of Polymers
Friction Stir Welding (FSW) is one of the welding methods within the category of friction welding, as it uses the friction between the base material and the tool to generate the heat necessary to soften the material of the joint. The FSW process was developed, demonstrated and patented by “The Welding Institute (TWI)” in England for the first time by Thomas et al.. The principle of the conventional process is illustrated in, as well as its main variables.
808
30 Jun 2021
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