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云南农业大学专利：一种林下有机西洋参播种装置
云南农业大学 有机西洋参 播种装置
2024/2/27
本实用新型公开了一种林下有机西洋参播种装置，包括上侧开口的储料箱，所述储料箱的下侧壁从左至有依次固定有多个下料斗，每个所述下料斗的外下表面均固定有管接头，每个所述下料斗的下侧壁且位于管接头的内部均开有下料口，所述储料箱的外下表面且位于多个下料斗的左侧固定有支撑板，所述支撑板上安装有轴承座，所述轴承座的内部安装有转动轴，所述转动轴的右端依次穿过多个下料斗的左右两侧壁，所述转动轴上且位于每个下料斗的内...
Comprehensive review on nanocellulose: Recent developments, challenges and future prospects
Nanocellulose Biotechnology Commercialisation Toxicity
2024/1/23
Cellulose constitutes most of a plant's cell wall, and it is the most abundant renewable polymer source on our planet. Given the hierarchical structure of cellulose, nanocellulose has gained considera...
Rapid gelling, self-healing, and fluorescence-responsive chitosan hydrogels formed by dynamic covalent crosslinking
Debranched starch Chitosan Hydrogels Schiff base Microgels
2024/1/23
Chitosan hydrogels fabricated by covalent crosslinking exhibit tough mechanical properties and chemical stability. In this paper, debranched starch (DBS) is oxidized to dialdehyde debranched starch (D...
Hydrogel membranes: A review
Membrane Hydrogels Tissue engineering Separation Energy storage
2024/1/23
Hydrogel membranes (HMs) are defined and applied as hydrated porous media constructed of hydrophilic polymers for a broad range of applications. Fascinating physiochemical properties, unique porous ar...
A review on biomacromolecular hydrogel classification and its applications
Hydrogels Polysaccharide Self-healing Biomedical applications
2024/1/23
Biomacromolecular hydrogels are consist of 3D networks, which have a tendency to absorb large amount of water without dissolving in aqueous medium. Such inherent feature of the hydrogels facilitates t...
Cellulose Hydrogels by Reversible Ion‐Exchange as Flexible Pressure Sensors
cellulose hydrogels ions exchange orientation pressure sensing
2024/1/23
Inspired by biological camouflage strategy according to the surrounding environment, a facile method to fabricate state‐switchable cellulose hydrogels (fluid, brittle, and rigid hydrogel) driven by Ca...
Smart polymers and nanocomposites for 3D and 4D printing
Two-dimensional Metallic nanocrystals Renewable energy Electrocatalysis
2024/1/22
Smart materials, also known as intelligent materials, which are responsive to the external stimuli including heat, moisture, stress, pH, and magnetic fields, have found extensive applications in senso...
Composite hydrogels reinforced by cellulose-based supramolecular filler
Hydrogels Composites Cellulose Supramolecules Cyclodextrin
2024/1/22
The lack of mechanical strength and toughness of hydrogels usually limits their application in biomedical and industrial fields. Herein, we prepared a composite hydrogel in which supramolecular bondin...
A Review of the Sustainable Approaches in the Production of Bio-based Polyurethanes and Their Applications in the Adhesive Field
Green chemistry Lignocellulosic materials Vegetable oils Bio-sourced polyurethanes Adhesive
2024/1/22
On account of the irreversible environmental damage caused by the utilization of non-renewable raw materials in industrial production, since the end of the twentieth century, the interest in replacing...
Strategies toward development of biodegradable hydrogels for biomedical applications
Hydrogel polymer tissue regeneration drug delivery encapsulation
2024/1/22
Hydrogel is a macromolecular gel constructed of a network of cross-linked polymer chains. Hydrogels are class of materials that can be tuned toward the subjected stimuli and can be modified to imitate...
Pine Resin Derivatives as Sustainable Additives to Improve the Mechanical and Thermal Properties of Injected Moulded Thermoplastic Starch
bioplastic corn starch glycerol thermoplastic starch gum rosin injection-moulding
2024/1/22
Fully bio-based materials based on thermoplastic starch (TPS) were developed starting from corn starch plasticized with glycerol. The obtained TPS was further blended with five pine resin derivatives:...
Doubly Dynamic Hydrogel Formed by Combining Boronate Ester and Acylhydrazone Bonds
hydrogel dynamic covalent bond diblock copolymers self-healing
2024/1/19
The incorporation of double dynamic bonds into hydrogels provides an effective strategy to engineer their performance on demand. Herein, novel hydrogels were PREPARED by combining two kinetically dist...
DLP 3D Printing Meets Lignocellulosic Biopolymers: Carboxymethyl Cellulose Inks for 3D Biocompatible Hydrogels
hydrogel methacrylated CMC 3D printing DLP
2024/1/19
The development of new bio-based inks is a stringent request for the expansion of additive manufacturing towards the development of 3D-printed biocompatible hydrogels. Herein, methacrylated carboxymet...
Advances in hydrogels based on dynamic covalent bonding and prospects for its biomedical application
Dynamic covalent bondAdvanced techniques Preparation Application
2024/1/19
In the past few decades, hydrogels based on dynamic covalent bonding (DCB) have attracted extensive attention and exploration with the rapid development of polymer science and life science disciplines...
Stereocomplexed and homocrystalline thermo-responsive physical hydrogels with a tunable network structure and thermo-responsiveness
NANOCOMPOSITE HYDROGELS POLY(LACTIC ACID) POLY(N-ISOPROPYLACRYLAMIDE) TOUGH GELS ELASTOMERS BEHAVIOR MEMORY CHAIN
2024/1/19
The widespread application of thermo-responsive hydrogels requires materials with robust mechanical properties and tunable responsiveness. Herein, we report robust thermo-responsive physical hydrogels...