Bioplásticos

 

Bioplásticos

Biotechnological potential of yeast cell wall: An overview
27/06/2024 - The yeast cell wall is a complex structure whose main function is to protect the cell from physical and chemical damage, providing it with rigidity. It is composed of a matrix of covalently linked...
Dissolving Chitin by Novel Deep Eutectic Solvents for Effectively Enzymatic Hydrolysis
- Abstract Chitin is the most productive nitrogen-containing polysaccharide in nature with immense potential for transforming into a range of chemicals. However, its dense crystal...
A multistimuli?responsive recyclable poly(vinyl alcohol)/perylene imide hydrogel of high?performance piezoresistive sensors for human wearable devices
07/06/2024 - Schematic representation of isocyanate chitin?modified PS?DVB microspheres.AbstractIn this work, a two?step activated swelling technique was effectively employed to successfully synthesize...
A Review on Hydrogen Generation by Photo?, Electro?, and Photoelectro?Catalysts Based on Chitosan, Chitin, Cellulose, and Carbon Materials Obtained from These Biopolymers
25/07/2023 - Biopolymer?based catalysts like chitosan, chitin, and cellulose offer sustainability and high efficiency both as the catalyst or catalyst support in a broad range of applications, especially in...
Bioinspired chitin/gelatin composites with enhanced mechanical property
17/05/2024 - Schematic diagram of the mechanism of MOR/P(S?co?VPh) nanofiber composite membraneAbstractRubidium (Rb), a rare and precious metal, is widely used in high?tech fields. In this work the structural...
Amino?modified banana nanocellulose aerogels with quick pH?responsive switchable wettability for oil–water separation
17/05/2024 - A bioinspired strategy was used to prepare chitin/gelatin composite with improved mechanical property, by coating gelatin on the chitin nanofibrous structure to strengthen the defects.AbstractThe...
Pleurotus ostreatus Mushroom: A Promising Feed Supplement in Poultry Farming
25/04/2024 - Pleurotus ostreatus (Jacq. ex Fr.) P. Kumm mushrooms are cultivated on diverse by-products based on substrates that hold promise for mitigating antibiotic usage in the poultry industry and reducing...
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...