Bioplásticos

 

Bioplásticos

Isocyanate?chitin modified microspheres for chiral drug separation in high performance liquid chromatography
16/04/2024 - Preparation process diagram of MWCNTs/PANI@MWCNTs/PAN fiber.AbstractWearable smart sensors have broad prospects in medical health and physical exercise. In this study, the core–shell conductive...
Physical and Chemical Properties of Pachycymbiola brasiliana Eggshells—From Application to Separative Processes
18/04/2024 - Pachycymbiola brasiliana is a marine snail found in the seas adjacent to the coasts of Brazil, Uruguay, and Argentina, whose eggshells are composed primarily of chitin. In this work, Pachycymbiola...
Effect of carboxyl on wettability and anti-fingerprint capacity of transparent chitin nanofiber coatings modified using fluorosilane
10/04/2024 - AbstractChitin nanofibers (ChNFs) with different numbers of carboxyls (i.e., with different degree of substitute, DS) were prepared by adjusting the amount of maleic anhydride used in the...
Effect of Environmental pH on the Mechanics of Chitin and Chitosan: A Single-Molecule Study
05/04/2024 - Chitin and chitosan are important structural macromolecules for most fungi and marine crustaceans. The functions and application areas of the two molecules are also adjacent beyond their similar...
Recrystallization of Cellulose, Chitin and Starch in Their Individual and Native Forms
03/04/2024 - Semi-crystalline natural polymers are involved in many technological processes. Biopolymers having identical chemical compositions can differ in reactivity in heterogeneous transformations depending...
Chitin?Based Functional Films for the Colorimetric Detection of Ethylene Glycol
08/03/2024 - Chitin?based color films on solid substrates by thermal evaporation.Varying the number of assembled layers changes the thickness and color of the chitin film. This film demonstrates a colorimetric...
A responsive supramolecular hydrogel with robust mechanical properties for actuator and strain sensor
23/02/2024 - A schematic procedure showing a preparation of chitin nanowhiskers from crab shell ??chitin and subsequent wet spinning into chitin nanowhisker fibers.AbstractFibers composed solely of chitin...
Optimizing Chitin Extraction and Chitosan Production from House Cricket Flour
25/02/2024 - Chitin and its derivative, chitosan, have diverse applications in fields such as agriculture, medicine, and biosensors, amongst others. Extraction is primarily conducted from marine sources, such as...
Adenosine Triphosphate/Chitin Whisker/Phenylboronic Acid-Modified Wool Fabrics with Enhanced Dyeability
15/02/2024 - Promoting the uptake of dyes is an important part of the sustainable processing of wool products. This study presents an effective modification approach to enhance the dyeability of wool fabric with...
Activity of a Recombinant Chitinase of the Atta sexdens Ant on Different Forms of Chitin and Its Fungicidal Effect against Lasiodiplodia theobromae
15/02/2024 - This study evaluates the activity of a recombinant chitinase from the leaf-cutting ant Atta sexdens (AsChtII-C4B1) against colloidal and solid α- and β-chitin substrates....
Preparation of Chitin Nanofibers and Natural Rubber Composites and Their Triboelectric Nanogenerator Applications
03/02/2024 - Triboelectric nanogenerators (TENGs) have gained significant attention as promising energy-harvesting devices that convert mechanical energy into electrical energy through charge separation induced...
Development and Characterisation of Composites Prepared from PHBV Compounded with Organic Waste Reinforcements, and Their Soil Biodegradation
05/02/2024 - Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) is a biobased and biodegradable polymer. This polymer is considered promising, but it is also rather expensive. The objective of this study was to...
Sustainable Materials via the Assembly of Biopolymeric Nanobuilding Blocks Valorized from Agri-Food Waste
02/02/2024 - This paper presents an overview of current state-of-the-art agri-food waste valorization for developing advanced materials via the nanoscale assembly of biopolymeric building blocks. Emphasizing the...
Effect of Combined High-Pressure Homogenization and Biotechnological Processes on Chitin, Protein, and Antioxidant Activity of Cricket Powder-Based Ingredients
31/01/2024 - The main objective of this work was to evaluate the combined effect of a biotechnology process, based on selected yeast strains, and a high-pressure homogenization (HPH) treatment on the...
In Situ Synthesis of Gold Nanoparticles from Chitin Nanogels and Their Drug Release Response to Stimulation
31/01/2024 - In this study, gold nanoparticles (AuNPs) were synthesized in situ using chitin nanogels (CNGs) as templates to prepare composites (CNGs@AuNPs) with good photothermal properties, wherein their drug...
Analysis of Polyphenol Patterns of Pleurotus ostreatus Cultivars by UHPLC-ESI-MS/MS; Application of FT-NIR and Chemometric Methods, Classification Options
26/01/2024 - The nutritional properties of Pleurotus mushrooms were studied to select the varieties with the most favourable properties. These mushrooms have high nutritional value; they are rich in...
Harnessing the Potential of Chitosan and Its Derivatives for Enhanced Functionalities in Food Applications
29/01/2024 - As one of the most abundant natural polysaccharides that possess good biological activity, chitosan is extracted from chitin. Its application in the food field is being increasingly valued. However,...
Effect of silane coupling grafted polyethylene terephthalate foam and areca fruit fiber reinforced chitin modified vinyl ester prosthetic composite on thermal and water accelerated aging conditions
18/01/2024 - Composite preparation and characterization.The primary aim of this research work was to develop a lightweight vinyl ester based prosthetic composite with silane treated Polyethylene terephthalate...
From Food Waste to Functional Biopolymers: Characterization of Chitin and Chitosan Produced from Prepupae of Black Soldier Fly Reared with Different Food Waste-Based Diets
16/01/2024 - The use of food waste as a rearing substrate to grow insects is an ecofriendly and sustainable alternative to food waste disposal. In the present research, Hermetia illucens prepupae were reared with...
Snail Shell Waste Threat to Sustainability and Circular Economy: Novel Application in Food Industries
13/01/2024 - Effective waste management has become an urgent societal challenge. Food waste is made up of items meant for human consumption that are lost, polluted, disposed of, or deteriorated; the reutilization...
Simultaneous Optimization of Deacetylation Degree and Molar Mass of Chitosan from Shrimp Waste
06/01/2024 - Shrimp waste is a valuable source for chitin extraction and consequently for chitosan preparation. In the process of obtaining chitosan, a determining step is the chitin deacetylation. The main...