Biopolymers
Biopolymers - Related Videos
08:13
Preparation of Biopolymer Aerogels Using Green Solvents
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Cited by 44 •
2016
A new way for the production of biopolymer-based aerogels by carbon dioxide (CO2) induced gelation is shown. The technique utilizes pressurized carbon dioxide (5 MPa) for the production of biopolymer hydrogels and supercritical CO2 (12 MPa) to convert gels into aerogels. The only solvents needed besides CO2 are water and ethanol.
07:06
Methods for the Self-integration of Megamolecular Biopolymers on the Drying Air-LC Interface
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Cited by 4 •
2017
A method for the drying-induced self-integration of megamolecular biopolymers on the air-liquid crystalline interface is provided here. This methodology will be useful not only for understanding the macroscopic potentials of biopolymers, but also as an evaluation method for soft materials in biomedical and environmental fields.
01:18
Thermally Responsive Biopolymer-Based Inhibition of Tumor Progression in a Rat Model
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2025
Begin with an anesthetized rat bearing a brain tumor composed of proliferating tumor cells.Expose the rat’s skull and create a hole to reveal the brain region with the tumor.Take a thermally responsive biopolymer fused with a cell-penetrating peptide and an inhibitor of c-myc, an oncogenic protein.Inject the biopolymer into the femoral vein of the hind limb for delivery to the brain.Apply infrared light through the skull hole to heat the tumor site, which induces biopolymer aggregation along...
07:59
Molecular Entanglement and Electrospinnability of Biopolymers
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Cited by 13 •
2014
Electrospinning is a fascinating technique used to fabricate micro- to nano-scale fibers from a wide variety of materials. Molecular entanglement of the constituent polymers in the spinning dope is essential for successful electrospinning. We present a protocol for utilizing rheology to evaluate the electrospinnability of two biopolymers, starch and pullulan.
11:32
Highly Stable, Functional Hairy Nanoparticles and Biopolymers from Wood Fibers: Towards Sustainable Nanotechnology
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Cited by 24 •
2016
Synthesis schemes to prepare highly stable wood fiber-based hairy nanoparticles and functional cellulose-based biopolymers have been detailed.
FAQs
Chain architecture is a major determinant of how a biopolymer performs because it affects properties such as strength, flexibility, biodegradability, and water resistance. Engineers can therefore use structural differences between materials to tailor performance for a specific requirement rather than treating all biopolymers as interchangeable. This approach supports designs for packaging, coatings, composites, and biomedical structures.
Molecular weight and crystallinity help determine whether a material meets a desired combination of mechanical and environmental requirements. Along with intermolecular interactions, these features influence strength, flexibility, biodegradability, and water resistance. Considering them during material selection allows engineers to match a biopolymer's structure with the performance needed for a particular product or application.
Intermolecular interactions contribute to the properties that distinguish one biopolymer from another, including mechanical behavior, flexibility, and resistance to water. Their influence means that material performance cannot be predicted from the repeating monomer units alone. In engineering design, these interactions are considered together with chain architecture, molecular weight, and crystallinity to achieve targeted performance.
Selection depends on the performance and environmental requirements of the intended application. Cellulose, proteins, polysaccharides, and bio-based polyesters offer different structural characteristics, so engineers evaluate their potential strength, flexibility, biodegradability, and water resistance. The chosen material must also suit the required processing approach and end-of-life pathway, particularly for packaging, biomedical devices, coatings, or composites.
Processing and end-of-life behavior are design considerations rather than afterthoughts. Processing determines whether a material can be formed into the required product, while end-of-life behavior helps assess how the product should be managed after use. Considering both factors enables engineers to develop biopolymer materials that satisfy performance requirements while supporting lower-impact design goals.
Biopolymers can support packaging, biomedical devices, tissue scaffolds, coatings, and composite materials. Each application requires a different balance of properties: packaging may emphasize water resistance and suitable mechanical performance, while biomedical structures may require biocompatibility and controlled mechanical behavior. Engineers use molecular structure and material characteristics to tailor these outcomes to the intended function.