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View article: Simple pH-Triggered Control over Hydrogel Formation by Acetyl Valine
Simple pH-Triggered Control over Hydrogel Formation by Acetyl Valine Open
This paper reports on the use of acetyl-L-valine (Ac-Val) as an effective and precise pH modifier for inducing hydrogel formation. Ac-Val offers several advantages: it is fully water-soluble, overcoming dissolution issues, and allows for s…
View article: Simple pH-Triggered Control over Hydrogel Formation by Acetyl Valine
Simple pH-Triggered Control over Hydrogel Formation by Acetyl Valine Open
This paper reports on the use of acetyl-L-valine (Ac-Val) as an effective and precise pH modifier for inducing hydrogel formation. Ac-Val offers several advantages: it is fully water-soluble, overcoming dissolution issues, and allows for s…
View article: Sustainable 3D Scaffolds Based on β-Chitin and Collagen I for Wound Dressing Applications
Sustainable 3D Scaffolds Based on β-Chitin and Collagen I for Wound Dressing Applications Open
The development of greener substitutes for plastics is gaining massive importance in today’s society. This also involves the medical field, where disposable materials are used to grant sterility. Here, a novel protocol using only a water-b…
View article: Influence of the thickness of Symbiotic Culture of Bacteria and Yeast on purification and final properties of bacterial cellulose
Influence of the thickness of Symbiotic Culture of Bacteria and Yeast on purification and final properties of bacterial cellulose Open
The valorization of Symbiotic Culture of Bacteria and Yeast (SCOBY), an underutilized by-product of Kombucha fermentation, through a purification procedure has opened up possibilities for using bacterial cellulose in various applications. …
View article: Eumelanin‐Enhanced Photothermal Disinfection of Contact Lenses Using a Sustainable Marine Nanoplatform Engineered with Electrospun Nanofibers
Eumelanin‐Enhanced Photothermal Disinfection of Contact Lenses Using a Sustainable Marine Nanoplatform Engineered with Electrospun Nanofibers Open
Bacterial keratitis (BK) is a severe eye infection commonly associated with Staphylococcus aureus (S. aureus) , posing a significant risk to vision, especially among contact lens wearers. This research introduces a novel smart nanoplatform…
View article: Tunable Oxidized-Chitin Hydrogels with Customizable Mechanical Properties by Metal or Hydrogen Ion Exposure
Tunable Oxidized-Chitin Hydrogels with Customizable Mechanical Properties by Metal or Hydrogen Ion Exposure Open
This study focuses on the optimization of chitin oxidation in C6 to carboxylic acid and its use to obtain a hydrogel with tunable resistance. After the optimization, water-soluble crystalline β-chitin fibrils (β-chitOx) with a degree of fu…
View article: The Multiphasic Teeth of <i>Chiton Articulatus</i>, an Abrasion‐Resistant and Self‐Sharpening Tool for Hard Algae Collection
The Multiphasic Teeth of <i>Chiton Articulatus</i>, an Abrasion‐Resistant and Self‐Sharpening Tool for Hard Algae Collection Open
Chiton articulatus is a species of mollusk living in the tropical Pacific intertidal rocky shores of Mexico. This species feeds on solid waste organic sources, including hard crustose algae that grow on rocky substrates, by grazing on them…
View article: Stearate-Coated Biogenic Calcium Carbonate from Waste Seashells: A Sustainable Plastic Filler
Stearate-Coated Biogenic Calcium Carbonate from Waste Seashells: A Sustainable Plastic Filler Open
Waste seashells from aquaculture are a massive source of biogenic calcium carbonate (bCC) that can be a potential substitute for ground calcium carbonate and precipitated calcium carbonate. These last materials find several applications in…
View article: A natural multifunction and multiscale hierarchical matrix as a drug-eluting scaffold for biomedical applications
A natural multifunction and multiscale hierarchical matrix as a drug-eluting scaffold for biomedical applications Open
Sea urchin spines are biogenic single crystals of magnesium calcite that are stiff, strong, damage tolerant and light and have a bicontinuous porous structure. Thanks to these peculiar characteristics they can be used as drug-releasing pla…
View article: Nanocrystalline and Amorphous Calcium Carbonate from Waste Seashells by Ball Milling Mechanochemistry Processes
Nanocrystalline and Amorphous Calcium Carbonate from Waste Seashells by Ball Milling Mechanochemistry Processes Open
Nanocrystalline calcium carbonate (CaCO3) and amorphous CaCO3 (ACC) are materials of increasing technological interest. Nowadays, they are mainly synthetically produced by wet reactions using CaCO3 reagents in the presence of stabilizers. …
View article: Assembly of the Intraskeletal Coral Organic Matrix during Calcium Carbonate Formation
Assembly of the Intraskeletal Coral Organic Matrix during Calcium Carbonate Formation Open
Scleractinia coral skeleton formation occurs by a heterogeneous process of nucleation and growth of aragonite in which intraskeletal soluble organic matrix molecules, usually referred to as SOM, play a key role. Several studies have demons…
View article: Supramolecular Binding with Lectins: A New Route for Non-Covalent Functionalization of Polysaccharide Matrices
Supramolecular Binding with Lectins: A New Route for Non-Covalent Functionalization of Polysaccharide Matrices Open
The chemical functionalization of polysaccharides to obtain functional materials has been of great interest in the last decades. This traditional synthetic approach has drawbacks, such as changing the crystallinity of the material or alter…
View article: Fibrous anisotropy and mineral gradients within the radula stylus of chiton: Controlled stiffness and damage tolerance in a flexible biological composite
Fibrous anisotropy and mineral gradients within the radula stylus of chiton: Controlled stiffness and damage tolerance in a flexible biological composite Open
Over hundreds of millions of years, organisms have evolved architected structures via precise control over hierarchically assembled components, including the integration of dissimilar materials. One such example is found in the radula syst…
View article: Direct Ink Write Printing of Chitin-Based Gel Fibers with Customizable Fibril Alignment, Porosity, and Mechanical Properties for Biomedical Applications
Direct Ink Write Printing of Chitin-Based Gel Fibers with Customizable Fibril Alignment, Porosity, and Mechanical Properties for Biomedical Applications Open
A fine control over different dimensional scales is a challenging target for material science since it could grant control over many properties of the final material. In this study, we developed a multivariable additive manufacturing proce…
View article: Nanoarchitected Tough Biological Composites from Assembled Chitinous Scaffolds
Nanoarchitected Tough Biological Composites from Assembled Chitinous Scaffolds Open
Over hundreds of millions of years, organisms have derived specific sets of traits in response to common selection pressures that serve as guideposts for optimal biological designs. A prime example is the evolution of toughened structures …
View article: Green Biocompatible Method for the Synthesis of Collagen/Chitin Composites to Study Their Composition and Assembly Influence on Fibroblasts Growth
Green Biocompatible Method for the Synthesis of Collagen/Chitin Composites to Study Their Composition and Assembly Influence on Fibroblasts Growth Open
A green biocompatible route for the deposition and simultaneous assembly, by pH increment, of collagen/chitin composites was proposed. Both assembled and unassembled samples with different collagen/chitin ratios were synthesized, maintaini…
View article: Climate variation during the Holocene influenced the skeletal properties of Chamelea gallina shells in the North Adriatic Sea (Italy)
Climate variation during the Holocene influenced the skeletal properties of Chamelea gallina shells in the North Adriatic Sea (Italy) Open
Understanding how marine taxa will respond to near-future climate changes is one of the main challenges for management of coastal ecosystem services. Ecological studies that investigate relationships between the environment and shell prope…
View article: Cholesterol derivatives make large part of the lipids from epidermal molts of the desert-adapted Gila monster lizard (Heloderma suspectum)
Cholesterol derivatives make large part of the lipids from epidermal molts of the desert-adapted Gila monster lizard (Heloderma suspectum) Open
In order to understand the cutaneous water loss in the desert-adapted and venomous lizard Heloderma suspectum , the microscopic structure and lipid composition of epidermal molts have been examined using microscopic, spectroscopic and chem…
View article: Hierarchically organized chitin-based matrices
Hierarchically organized chitin-based matrices Open
Chitin is the second most abundant biopolymer on Earth and the most diffused across the known species, being present in more than 70 % of them. It is present in a huge variety of different structures and morphologies being a massive pool o…
View article: Structural characterization of the buccal mass of Ariolimax californicus (Gastropoda; Stylommatophora)
Structural characterization of the buccal mass of Ariolimax californicus (Gastropoda; Stylommatophora) Open
Biological materials such as chiton tooth, squid beak, and byssal threads of bivalves have inspired the development of new technologies. To this end, we have characterized the acellular components in the buccal mass of the terrestrial slug…
View article: β-Chitin Nanofibril Self-Assembly in Aqueous Environments
β-Chitin Nanofibril Self-Assembly in Aqueous Environments Open
Chitin is one of the most studied biopolymers but the understanding of how it assembles from molecules to microfibers is still limited. Organisms are able to assemble chitin with precise control over polymorphism, texture, and final morpho…
View article: CCDC 1524076: Experimental Crystal Structure Determination
CCDC 1524076: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1524281: Experimental Crystal Structure Determination
CCDC 1524281: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …