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The use of nanotechnologies in the food-packaging area has opened up a number of possibilities derived from the inherent characteristics of nanoadditives, which can either improve relevant properties of neat polymers (such as barrier or mechanical properties) or introduce new functionalities (for active and bioactive packaging applications or even for sensing). This is an exciting and rapidly growing field of study, and very interesting developments are unfolding. Although the aim of these novel materials is to improve packaged food quality and safety, the toxicological effects derived from their potential migration from the polymer structures is also under consideration. This Special Issue compiles a review and five original papers describing novel nanocomposites with improved packaging properties, the use of nanotechnologies for smart packaging applications, and nanoparticle migration studies from novel nanocomposites.

nanofillers --- nanocellulose --- barrier biocomposites --- Nanocomposites --- antimicrobial packaging --- bioactive packaging --- migration --- active surfaces

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Three-dimensional (3D) printing has evolved massively during the last years. The 3D printing technologies offer various advantages, including: i) tailor-made design, ii) rapid prototyping, and iii) manufacturing of complex structures. Importantly, 3D printing is currently finding its potential in tissue engineering, wound dressings, tissue models for drug testing, prosthesis, and biosensors, to name a few. One important factor is the optimized composition of inks that can facilitate the deposition of cells, fabrication of vascularized tissue and the structuring of complex constructs that are similar to functional organs. Biocomposite inks can include synthetic and natural polymers, such as poly (ε-caprolactone), polylactic acid, collagen, hyaluronic acid, alginate, nanocellulose, and may be complemented with cross-linkers to stabilize the constructs and with bioactive molecules to add functionality. Inks that contain living cells are referred to as bioinks and the process as 3D bioprinting. Some of the key aspects of the formulation of bioinks are, e.g., the tailoring of mechanical properties, biocompatibility and the rheological behavior of the ink which may affect the cell viability, proliferation, and cell differentiation.The current Special Issue emphasizes the bio-technological engineering of novel biocomposite inks for various 3D printing technologies, also considering important aspects in the production and use of bioinks.

Information technology industries --- bacteria biofabrication --- 3D printing --- tissue engineering --- probiotic food --- pine sawdust --- soda ethanol pulping --- nanocellulose --- cytotoxicity --- absorption --- wound dressings --- bioprinting --- cellulose --- hydrogel --- physical cross-linking --- 3D bioprinting --- biocomposite ink --- tubular tissue --- tubular organ --- bacterial nanocellulose --- cellulose nanofibrils --- cellulose nanocrystals --- bioink --- collagen --- ECM --- extracellular matrix --- bioinks --- biomanufacturing --- biocomposite --- forest-based MFC --- fibrils --- additive manufacturing --- artificial limb --- fused deposition modeling (FDM) --- biofabrication --- hydrogels --- growth factor cocktail --- bioactive scaffold --- printability --- carboxylated agarose --- free-standing --- human nasal chondrocytes --- clinical translational --- polyhydroxyalkanoates --- scaffolds --- biomedicine --- drug delivery --- vessel stenting --- cancer --- 3D cell culture --- CNF --- cancer stemness --- n/a

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Three-dimensional (3D) printing has evolved massively during the last years. The 3D printing technologies offer various advantages, including: i) tailor-made design, ii) rapid prototyping, and iii) manufacturing of complex structures. Importantly, 3D printing is currently finding its potential in tissue engineering, wound dressings, tissue models for drug testing, prosthesis, and biosensors, to name a few. One important factor is the optimized composition of inks that can facilitate the deposition of cells, fabrication of vascularized tissue and the structuring of complex constructs that are similar to functional organs. Biocomposite inks can include synthetic and natural polymers, such as poly (ε-caprolactone), polylactic acid, collagen, hyaluronic acid, alginate, nanocellulose, and may be complemented with cross-linkers to stabilize the constructs and with bioactive molecules to add functionality. Inks that contain living cells are referred to as bioinks and the process as 3D bioprinting. Some of the key aspects of the formulation of bioinks are, e.g., the tailoring of mechanical properties, biocompatibility and the rheological behavior of the ink which may affect the cell viability, proliferation, and cell differentiation.The current Special Issue emphasizes the bio-technological engineering of novel biocomposite inks for various 3D printing technologies, also considering important aspects in the production and use of bioinks.

Information technology industries --- bacteria biofabrication --- 3D printing --- tissue engineering --- probiotic food --- pine sawdust --- soda ethanol pulping --- nanocellulose --- cytotoxicity --- absorption --- wound dressings --- bioprinting --- cellulose --- hydrogel --- physical cross-linking --- 3D bioprinting --- biocomposite ink --- tubular tissue --- tubular organ --- bacterial nanocellulose --- cellulose nanofibrils --- cellulose nanocrystals --- bioink --- collagen --- ECM --- extracellular matrix --- bioinks --- biomanufacturing --- biocomposite --- forest-based MFC --- fibrils --- additive manufacturing --- artificial limb --- fused deposition modeling (FDM) --- biofabrication --- hydrogels --- growth factor cocktail --- bioactive scaffold --- printability --- carboxylated agarose --- free-standing --- human nasal chondrocytes --- clinical translational --- polyhydroxyalkanoates --- scaffolds --- biomedicine --- drug delivery --- vessel stenting --- cancer --- 3D cell culture --- CNF --- cancer stemness --- bacteria biofabrication --- 3D printing --- tissue engineering --- probiotic food --- pine sawdust --- soda ethanol pulping --- nanocellulose --- cytotoxicity --- absorption --- wound dressings --- bioprinting --- cellulose --- hydrogel --- physical cross-linking --- 3D bioprinting --- biocomposite ink --- tubular tissue --- tubular organ --- bacterial nanocellulose --- cellulose nanofibrils --- cellulose nanocrystals --- bioink --- collagen --- ECM --- extracellular matrix --- bioinks --- biomanufacturing --- biocomposite --- forest-based MFC --- fibrils --- additive manufacturing --- artificial limb --- fused deposition modeling (FDM) --- biofabrication --- hydrogels --- growth factor cocktail --- bioactive scaffold --- printability --- carboxylated agarose --- free-standing --- human nasal chondrocytes --- clinical translational --- polyhydroxyalkanoates --- scaffolds --- biomedicine --- drug delivery --- vessel stenting --- cancer --- 3D cell culture --- CNF --- cancer stemness

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The exploitation of naturally occurring polymers to engineer advanced nanocomposites and hybrid materials is the focus of increasing scientific activity, explained by growing environmental concerns and interest in the peculiar features and multiple functionalities of these macromolecules. Natural polymers, such as polysaccharides and proteins, present a remarkable potential for the design of all kinds of materials for application in a multitude of domains. This Special Issue collected the work of scientists on the current developments in the field of multifunctional biopolymer-based nanocomposites and hybrid materials with a particular emphasis on their production methodologies, properties, and prominent applications. Thus, materials related to bio-based nanocomposites and hybrid materials manufactured with different partners, namely natural polymers, bioactive compounds, and inorganic nanoparticles, are reported in the Special Issue Advanced Biopolymer-Based Nanocomposites and Hybrid Materials.

Research & information: general --- Technology: general issues --- biopolymer --- silk fibroin --- aerogel --- fiber --- nanomaterials --- nanoparticles --- noble metals --- gold --- platinum --- palladium --- bacterial nanocellulose --- poly(2-methacryloyloxyethyl phosphorylcholine) --- zwitterionic nanocomposites --- dye removal --- water remediation --- antibacterial activity --- lignin --- polylactic acid (PLA) --- 3D printing --- biocomposites --- biopolymers --- bioactive surfaces --- biomaterials --- hybrid organometallic polymers --- laser two-photon polymerisation --- tissue engineering --- gold nanoparticles --- fucoidan --- microwave irradiation --- antitumoral activity --- darkfield imaging --- hyaluronic acid --- Tyrosine --- viscoelastic modulus of HS-IPN hydrogels --- hBMSC differentiations --- nucleus pulposus --- biopolymer --- silk fibroin --- aerogel --- fiber --- nanomaterials --- nanoparticles --- noble metals --- gold --- platinum --- palladium --- bacterial nanocellulose --- poly(2-methacryloyloxyethyl phosphorylcholine) --- zwitterionic nanocomposites --- dye removal --- water remediation --- antibacterial activity --- lignin --- polylactic acid (PLA) --- 3D printing --- biocomposites --- biopolymers --- bioactive surfaces --- biomaterials --- hybrid organometallic polymers --- laser two-photon polymerisation --- tissue engineering --- gold nanoparticles --- fucoidan --- microwave irradiation --- antitumoral activity --- darkfield imaging --- hyaluronic acid --- Tyrosine --- viscoelastic modulus of HS-IPN hydrogels --- hBMSC differentiations --- nucleus pulposus

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The exploitation of naturally occurring polymers to engineer advanced nanocomposites and hybrid materials is the focus of increasing scientific activity, explained by growing environmental concerns and interest in the peculiar features and multiple functionalities of these macromolecules. Natural polymers, such as polysaccharides and proteins, present a remarkable potential for the design of all kinds of materials for application in a multitude of domains. This Special Issue collected the work of scientists on the current developments in the field of multifunctional biopolymer-based nanocomposites and hybrid materials with a particular emphasis on their production methodologies, properties, and prominent applications. Thus, materials related to bio-based nanocomposites and hybrid materials manufactured with different partners, namely natural polymers, bioactive compounds, and inorganic nanoparticles, are reported in the Special Issue Advanced Biopolymer-Based Nanocomposites and Hybrid Materials.

Research & information: general --- Technology: general issues --- biopolymer --- silk fibroin --- aerogel --- fiber --- nanomaterials --- nanoparticles --- noble metals --- gold --- platinum --- palladium --- bacterial nanocellulose --- poly(2-methacryloyloxyethyl phosphorylcholine) --- zwitterionic nanocomposites --- dye removal --- water remediation --- antibacterial activity --- lignin --- polylactic acid (PLA) --- 3D printing --- biocomposites --- biopolymers --- bioactive surfaces --- biomaterials --- hybrid organometallic polymers --- laser two-photon polymerisation --- tissue engineering --- gold nanoparticles --- fucoidan --- microwave irradiation --- antitumoral activity --- darkfield imaging --- hyaluronic acid --- Tyrosine --- viscoelastic modulus of HS-IPN hydrogels --- hBMSC differentiations --- nucleus pulposus --- n/a