Ultra-Strong and Transparent Biomimetic Nanocomposite through Orientation Effects and In Situ Biomineralization

Article Chemistry, Multidisciplinary

Bioinspired Stabilization of Amorphous Calcium Carbonate by Carboxylated Nanocellulose Enables Mechanically Robust, Healable, and Sensing Biocomposites

Wanlin Wu et al.

Summary: This study investigated the influence of amorphous calcium carbonate on biomineralization and nanocellulose on the mechanical properties of biocomposites.

ACS NANO (2023)

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Article Chemistry, Multidisciplinary

In Situ Mineralizing Spinning of Strong and Tough Silk Fibers for Optical Waveguides

Yong Zhang et al.

Summary: Biopolymer-based optical waveguides with excellent mechanical properties and low light loss were prepared through bioinspired in situ mineralizing spinning using silk fibroin as the main precursor. Calcium carbonate nanocrystals were grown in the silk network during spinning, resulting in strong and tough fibers with enhanced mechanical properties. The fibers exhibited low light loss and are promising for applications in biomedical light imaging and therapy.

ACS NANO (2023)

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Article Chemistry, Multidisciplinary

Ultrastrong, Thermally Stable, and Food-Safe Seaweed-Based Structural Material for Tableware

De-Han Li et al.

Summary: Disposable plastic tableware poses threats to the environment and human health. To solve this problem, biodegradable tableware made of nanofiber materials extracted from seaweed is developed. This material has high strength and thermal stability, and can be processed into different shapes of tableware. The overall performance of this tableware is better than commercial plastic, wood-based, and poly(lactic acid) tableware.

ADVANCED MATERIALS (2023)

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Article Nanoscience & Nanotechnology

Structurally Tailoring Clay Nanosheets to Design Emerging Macrofibers with Tunable Mechanical Properties and Thermal Behavior

Weimin Xie et al.

Summary: In this study, a novel and efficient strategy to synthesize nanocellulose/clay/sodium alginate (CRS) macrofibers with high strength, great toughness, and flame retardancy was reported. The anisotropic structure of the fibers, achieved by arranging and orienting nanoclay, resulted in excellent mechanical and thermal functional properties. This facile and high-efficiency strategy has the potential for scalable manufacturing of high-strength, super tough, and flame-retardant fibers.

ACS APPLIED MATERIALS & INTERFACES (2023)

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Article Chemistry, Physical

Bioinspired Strong and Tough Organic-Inorganic Hybrid Fibers

Yao Xiao et al.

Summary: High-strength and high-toughness organic-inorganic regenerated silk fibroin/hydroxyapatite (RSF/HAP) hybrid fibers were prepared using a single-channel microfluidic device. The fibers demonstrated outstanding mechanical properties, including a tensile strength of 778 MPa, a Young's modulus of 17.8 GPa, a tensile strain of 19.9%, and a toughness of 121 MJ m(-3) after twisting treatments. Additionally, the fibers showed good performances under static loading, dynamic impact, and extreme cold conditions.

SMALL STRUCTURES (2023)

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Article Chemistry, Multidisciplinary

Bioinspired Stabilization of Amorphous Calcium Carbonate by Carboxylated Nanocellulose Enables Mechanically Robust, Healable, and Sensing Biocomposites

Wanlin Wu et al.

Summary: By harnessing the stabilizing ability of cellulose nanofibrils (CNFs), researchers have successfully constructed composite films with high strength and toughness using amorphous calcium carbonate (ACC). These films exhibit good wet stability, self-healing capabilities, and high humidity sensitivity for monitoring respiration and finger contact.

ACS NANO (2023)

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Article Chemistry, Multidisciplinary

A Flexible and Degradable Hybrid Mineral as a Plastic Substitute

Yadong Yu et al.

Summary: The development of environmentally friendly plastics is crucial for sustainable development. A recent study has successfully created flexible mineral nanofibers through biomimetic mineralization and inorganic polymerization, resulting in a hierarchically structured bulk hybrid mineral with plasticity characteristics. This material exhibits better hardness and thermostability than traditional polymer plastics and is a promising substitute for plastic.

ADVANCED MATERIALS (2022)

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Article Materials Science, Textiles

Chemical Composition and Mechanical Properties of Natural Fibers

Sagar Chokshi et al.

Summary: This paper reviews the chemical composition and mechanical properties of various natural fibers, including cellulose, lignin, hemicellulose, etc., and their significance in industries such as textile and automotive.

JOURNAL OF NATURAL FIBERS (2022)

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Article Multidisciplinary Sciences

Multiscale engineered artificial tooth enamel

Hewei Zhao et al.

Summary: Accurate replication and scalable production of high-performance biomaterials are challenging, but a newly engineered enamel analog with hierarchical structure at multiple scales shows promising results.

SCIENCE (2022)

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Article Chemistry, Multidisciplinary

A Bioinspired Ultratough Composite Produced by Integration of Inorganic Ionic Oligomers within Polymer Networks

Yadong Yu et al.

Summary: Inspired by bone structure, a highly tough nanocomposite laminate is developed by integrating ultrasmall inorganic building units into an organic-inorganic hierarchical structure. The resulting laminate exhibits ultrahigh bending strain and toughness, surpassing natural and synthetic laminates. The mechanics of this material can be tunable by changing the water content.

ACS NANO (2022)

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Article Biochemistry & Molecular Biology

Stretch-Induced Crystallization of Cellulose Spun from Ionic Liquid Solution

Huailing Diao et al.

Summary: Structural regulation of cellulose materials is crucial for their properties, and stretch-induced crystallization offers an efficient method for achieving this in cellulose solution processing.

BIOMACROMOLECULES (2022)

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Article Chemistry, Applied

Recyclable nanocomposites of well-dispersed 2D layered silicates in cellulose nanofibril (CNF) matrix

Lengwan Li et al.

Summary: This study investigates the properties of nanocomposites based on natural components that can be recycled for sustainable development. By combining 1D cellulose and 2D clay platelets, the nanocomposites showed improved nanoparticle dispersion. The resulting films demonstrated high ultimate strength and Young's modulus, as well as good optical transmittance, UV-shielding, thermal shielding, and fire-retardant properties, which were influenced by the dispersion of the 2D nanoplatelets.

CARBOHYDRATE POLYMERS (2022)

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Article Multidisciplinary Sciences

Mineralization generates megapascal contractile stresses in collagen fibrils

Hang Ping et al.

Summary: Collagen fibrils can form a mineral-collagen composite during bone formation, resulting in a material with excellent properties. The deposition of minerals leads to contraction of collagen fibrils, generating a composite with tensile fibers.

SCIENCE (2022)

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Article Nanoscience & Nanotechnology

Biodegradable, Super-Strong, and Conductive Cellulose Macrofibers for Fabric-Based Triboelectric Nanogenerator

Sanming Hu et al.

Summary: Researchers have developed a super-strong, biodegradable, and washable cellulose-based conductive macrofiber for fabricating wearable triboelectric nanogenerators (TENGs). The macrofibers possess high tensile strength, good electrical conductivity, and excellent stability. Fabric-based TENGs made from these macrofibers show promising potential for energy harvesting and biomechanical monitoring.

NANO-MICRO LETTERS (2022)

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Article Chemistry, Multidisciplinary

Single Molecular Layer of Chitin Sub-Nanometric Nanoribbons: One-Pot Self-Exfoliation and Crystalline Assembly into Robust, Sustainable, and Moldable Structural Materials

Yugao Ding et al.

Summary: This study demonstrates a low-cost and scalable method for directly exfoliating chitin SNMs from their natural sources, leading to the discovery of their versatile and intriguing properties. This provides new opportunities for the high value-added utilization of chitin and the study of organic SNMs.

ADVANCED SCIENCE (2022)

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Article Chemistry, Physical

Graphene oxide bulk material reinforced by heterophase platelets with multiscale interface crosslinking

Ke Chen et al.

Summary: Inspired by the heterophase structure of nacre, a centimetre-sized bulk material consisting of graphene oxide (GO) and amorphous/crystalline MnO2 nanosheets adhered together with polymer-based crosslinkers was prepared, exhibiting high flexural strength and fracture toughness. Experimental and numerical analyses revealed that the ordered heterophase structure and synergistic crosslinking interactions across multiscale interfaces contribute to the superior mechanical properties of the material.

NATURE MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Role of Inorganic Amorphous Constituents in Highly Mineralized Biomaterials and Their Imitations

Hewei Zhao et al.

Summary: This article highlights the role of inorganic amorphous constituents (IAC) in highly mineralized biomaterials. Recent studies have shown the presence of IAC during biomineralization process or in mature bodies, which heavily impact the formation and performance of highly mineralized biomaterials. The article summarizes research on the presence or phase transformation of IAC and discusses in detail how IAC affects the formation and performance of highly mineralized biomaterials. Additionally, it describes the use of IAC as synthetic precursors or final strengthening phases in biomaterial imitations.

ACS NANO (2022)

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Article Chemistry, Applied

Ultrastrong and flame-retardant microfibers via microfluidic wet spinning of phosphorylated cellulose nanofibrils

Ning Ren et al.

Summary: Ultrastrong and flame-retardant microfibers were obtained through microfluidic wet spinning of phosphorylated cellulose nanofibrils (PCNFs). The as-prepared microfibers demonstrated high mechanical properties and retained >85% strength in wet hydration state. Glycerol and egg yolk were introduced to enhance the modulus, strength, and strain to failure. The study expands the potential applications of nanocellulose microfibers in biomedical and flame-retardant materials.

CARBOHYDRATE POLYMERS (2022)

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Article Multidisciplinary Sciences

A biomimetic laminated strategy enabled strain-interference free and durable flexible thermistor electronics

Sanwei Hao et al.

Summary: Inspired by the nacre microstructure, a versatile MXene-based thermistor elastomer sensor platform has been developed to alleviate strain interference, improve thermosensitivity, and enhance mechanical durability. The underlying temperature and strain signal decoupling mechanism has been revealed, providing important insights for the fabrication of FTEE.

NATURE COMMUNICATIONS (2022)

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Article Engineering, Biomedical

Fast Construction of Biomimetic Organic-Inorganic Interface by Crosslinking of Calcium Phosphate Oligomers: A Strategy for Instant Regeneration of Hard Tissue

Lumiao Yan et al.

Summary: This study demonstrates a fast in situ crosslinking method of calcium phosphate oligomers (CPOs) with collagen matrices for efficient reconstruction of the organic-inorganic interface. By using damaged dentin as an example, it was found that the method could rebuild a structurally integrated organic-inorganic interface identical to natural dentin within only 5 minutes, fully recovering the damaged dentin to a healthy state.

ADVANCED HEALTHCARE MATERIALS (2022)

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Article Materials Science, Multidisciplinary

Biomimetic discontinuous Bouligand structural design enables high-performance nanocomposites

Si-Ming Chen et al.

Summary: Bouligand structures play a crucial role in the mechanical foundation of living organisms and can be used in the development of synthetic structural materials. This study proposes a programmable assembly strategy to create discontinuous Bouligand structural nanocomposites using eco-friendly, silicon-based nanofibers and biopolymer. The optimal nanocomposite exhibits superior mechanical properties and holds potential as sustainable materials for mechanical protection or tissue engineering.

MATTER (2022)

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Article Chemistry, Multidisciplinary

Strategy to Fabricate a Strong and Supertough Bio-Inspired Fiber with Organic-Inorganic Networks in a Green and Scalable Way

Panyi Xi et al.

Summary: Researchers have successfully fabricated a bioinspired fiber with high strength and super toughness using molecular and nanoscale engineering, providing a strategy for industrially manufacturing spider fiber-like artificial fibers with super toughness.

ACS NANO (2021)

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Article Engineering, Environmental

Synergistic effect of highly aligned bacterial cellulose/gelatin membranes and electrical stimulation on directional cell migration for accelerated wound healing

Li Wang et al.

Summary: Directional cell migration plays a critical role in wound healing. Combining ordered topography and electric field stimulation is a promising therapeutic strategy to guide cell migration for improved wound healing.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Materials Science, Multidisciplinary

Extremely strong and tough chitosan films mediated by unique hydrated chitosan crystal structures

Qing Zhang et al.

Summary: A new route was reported for the fabrication of high-strength and high-toughness chitosan films mediated by a hydrated chitosan crystal structure, with specific solvent and neutralization bath. Stretching orientation contributes to the improvement of mechanical properties of chitosan films.

MATERIALS TODAY (2021)

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Review Chemistry, Multidisciplinary

Chemical syntheses of bioinspired and biomimetic polymers toward biobased materials

Mitra S. Ganewatta et al.

Summary: The rich structures and hierarchical organizations in nature inspire advanced material designs; bioinspired and biomimetic materials play crucial roles in synthetic materials; sustainable organic polymer chemistry enables tuning of material properties and functions.

NATURE REVIEWS CHEMISTRY (2021)

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Article Chemistry, Multidisciplinary

Recovery of the Irreversible Crystallinity of Nanocellulose by Crystallite Fusion: A Strategy for Achieving Efficient Energy Transfers in Sustainable Biopolymer Skeletons**

Kazuho Daicho et al.

Summary: By enhancing inter-crystallite interactions, grain boundaries within a crystalline nanofiber aggregate were crystallized, allowing for the fusion of multiple crystallites into single fusion crystals, thus improving thermal energy transfer efficiency.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Multidisciplinary Sciences

Pressure-driven fusion of amorphous particles into integrated monoliths

Zhao Mu et al.

Summary: By regulating structurally bound water and external pressure, we manufactured transparent inorganic monoliths with continuous structures, boasting mechanical strength comparable to single-crystal calcite.

SCIENCE (2021)

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Article Materials Science, Biomaterials

Intrinsically radiopaque and antimicrobial cellulose based surgical sutures from mechanically powerful Agave sisalana plant leaf fibers

K. R. Sneha et al.

Summary: A radiopaque cellulose based surgical suture (RF) with good mechanical properties was developed through controlled processing of natural fibers and SrO-PLA coating, showing excellent tensile strength and contrast enhancement in digital X-ray imaging and micro-CT analysis.

BIOMATERIALS SCIENCE (2021)

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Article Multidisciplinary Sciences