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Topic Review
Biography
Topic Review
Copper-Modified Polymeric Membranes
Copper has attractive characteristics: excellent antimicrobial activity, high natural abundance, low cost and the existence of multiple cost-effective synthesis routes for obtaining copper-based materials with tunable characteristics, which favor their incorporation into polymeric membranes.
389
12 Mar 2021
Topic Review
Injectable Hydrogels
The transfer of some innovative technologies from the laboratory to industrial scale is many times not taken into account in the design and development of some functional materials such as hydrogels to be applied in the biomedical field. There is a lack of knowledge in the scientific field where many aspects of scaling to an industrial process are ignored, and products cannot reach the market. Injectable hydrogels are a good example that we have used in our research to show the different steps needed to follow to get a product in the market based on them. From synthesis and process validation to characterization techniques used and assays performed to ensure the safety and efficacy of the product, following regulation, several well-defined proto-cols must be adopted.
1.7K
12 Mar 2021
Topic Review
Fiber–Hydrogel Composites for Wound Healing
The structural resemblance of fiber–hydrogel composites to natural tissues has been a driving force for the optimization and exploration of these systems in biomedicine. Indeed, the combination of hydrogel-forming techniques and fiber spinning approaches has been crucial in the development of scaffolding systems with improved mechanical strength and medicinal properties.
606
11 Mar 2021
Topic Review
Contaminated Polymer Materials Shredding
Recently, a dynamic increase in the number of polymer elements ending their life cycle has been observed. There are three main ways of dealing with polymer waste: reuse in an unchanged form, recycling (both material and energy), and disposal (mainly in the form of landfilling or incineration). The legislation of European countries promotes in particular two forms of waste management: reuse and recycling. Recycling processes are used to recover materials and energy especially from contaminated waste, which are structurally changed by other materials, friction, temperature, machine, process, etc. The recycling of polymers, especially of multi-plastic struc-tural elements, requires the use of special technological installations and a series of preparatory operations, including crushing and separating.
1.5K
10 Mar 2021
Topic Review
Interfacial Polymerization Techniques for TFC/TFN
Here, we review various novel/modified interfacial polymerization (IP) techniques for the fabrication of polyamide (PA) thin film composite (TFC)/thin film nanocomposite (TFN) membranes in both pressure-driven and osmotically driven separation processes. Although conventional IP technique is the dominant technology for the fabrication of commercial nanofiltration (NF) and reverse osmosis (RO) membranes, it is plagued with issues of low membrane permeability, relatively thick PA layer and susceptibility to fouling, which limit the performance. Over the past decade, we have seen a significant growth in scientific publications related to the novel/modified IP techniques used in fabricating advanced PA-TFC/TFN membranes for various water applications. Novel/modified IP lab-scale studies have consistently, so far, yielded promising results compared to membranes made by conventional IP technique, in terms of better filtration efficiency (increased permeability without compensating solute rejection), improved chemical properties (crosslinking degree), reduced surface roughness and the perfect embedment of nanomaterials within selective layers. Furthermore, several new IP techniques can precisely control the thickness of the PA layer at sub-10 nm and significantly reduce the usage of chemicals.
1.7K
09 Mar 2021
Topic Review
Nanocellulose-Reinforced Rubber Matrix Composites
Research and development of nanocellulose (NC) and nanocellulose-reinforced composite materials have garnered substantial interest in recent years. Rubber is a common material with a large array of applications, greatly attributed to its mechanical strength and versatility. When rubber is extracted from its natural source, it needs to undergo a compounding stage where fillers are added to reinforce the material prior to further processing. The application of nanocellulose and its variants as a substitute of conventional fillers like carbon black (CB) and silica could further reduce environmental impacts and cost as it is derived from organic biomass. Incorporation of nanocellulose as a reinforcing material could also be extended to synthetic rubber composites to carry out a similar function of improving mechanical integrity.
1.2K
04 Mar 2021
Topic Review
Woven Natural Fibre Polymer Composites
These woven materials are flexible, able to be tailored to the specific needs and have better mechanical properties due to their weaving structures.
1.9K
03 Mar 2021
Topic Review
Sulfonimide-Based Dendrimers
Dendrimers are multifunctional polymer compounds with a tree-like shape and a high branching degree.
655
25 Feb 2021
Topic Review
Supramolecular Polymer Nanocomposites
Polymer nanocomposites, a class of innovative materials formed by polymer matrixes and nanoscaled fillers (e.g., carbon-based nanomaterials, inorganic/semiconductor nanoparticles, metal/metal-oxide nanoparticles, polymeric nanostructures, etc.), display enhanced mechanical, optoelectrical, magnetic, catalytic, and bio-related characteristics, thereby finding a wide range of applications in the biomedical field. In particular, the concept of supramolecular chemistry has been introduced into polymer nanocomposites, which creates myriad “smart” biomedical materials with unique physicochemical properties and dynamic tunable structures in response to diverse external stimuli.
798
25 Feb 2021
Topic Review
Electrospun PVC Nanofibers
Electrospun PVC Nanofibers means PVC nanofibers manufactured by electrospinning.
879
19 Feb 2021
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