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Themed collection Silk and silk-inspired materials

21 articles
Review Article

Taking tissue adhesives to the future: from traditional synthetic to new biomimetic approaches

This review focuses on the adhesive’s performance, both in synthetic and biomimetic approaches including mussel, sandcastle worm and gecko inspired.

Graphical abstract: Taking tissue adhesives to the future: from traditional synthetic to new biomimetic approaches
From the themed collection: Silk and silk-inspired materials
Communication

Thixotropic silk nanofibril-based hydrogel with extracellular matrix-like structure

We present an injectable hydrogel based on silk fibroin (SF) nanofibrils which may offer benefits for cell encapsulation and delivery.

Graphical abstract: Thixotropic silk nanofibril-based hydrogel with extracellular matrix-like structure
From the themed collection: Silk and silk-inspired materials
Communication

Photo-controlled water gathering on bio-inspired fibers

We report photo-controlled water gathering on bio-inspired fibers.

Graphical abstract: Photo-controlled water gathering on bio-inspired fibers
From the themed collection: Silk and silk-inspired materials
Paper

Silk fibroin gelation via non-solvent induced phase separation

The metastable nature of reconstituted silk fibroin (RSF) and its sensitivity to the solvent quality were explored to prepare hydrogels and porous foams that could be useful for the encapsulation of cells and/or hydrophilic and hydrophobic drugs.

Graphical abstract: Silk fibroin gelation via non-solvent induced phase separation
From the themed collection: Silk and silk-inspired materials
Paper

Differential scanning fluorimetry illuminates silk feedstock stability and processability

Molecular probes affect the folding patterns of silk proteins in three generic ways giving novel insights into the material and its potential as benchmark in synthetic biology.

Graphical abstract: Differential scanning fluorimetry illuminates silk feedstock stability and processability
From the themed collection: Silk and silk-inspired materials
Paper

Self-recovering caddisfly silk: energy dissipating, Ca2+-dependent, double dynamic network fibers

Single silk fibers of the caddisfly larvae self-recover their initial modulus and length after pseudo-plastic deformation due to two independent Ca2+-crosslinked networks.

Graphical abstract: Self-recovering caddisfly silk: energy dissipating, Ca2+-dependent, double dynamic network fibers
From the themed collection: Silk and silk-inspired materials
Open Access Paper

Enhanced cellular uptake of engineered spider silk particles

Drug delivery systems allow tissue/cell specific targeting of drugs in order to reduce total drug amounts administered to an organism and potential side effects upon systemic drug delivery.

Graphical abstract: Enhanced cellular uptake of engineered spider silk particles
From the themed collection: Silk and silk-inspired materials
Paper

Rheology of reconstituted silk fibroin protein gels: the epitome of extreme mechanics

Reconstituted solutions of silk protein are transformed into gels with significant elastic recovery and strain hardening features.

Graphical abstract: Rheology of reconstituted silk fibroin protein gels: the epitome of extreme mechanics
From the themed collection: Silk and silk-inspired materials
Paper

Understanding the variability of properties in Antheraea pernyi silk fibres

We investigate the origin of variability in as-reeled natural silk fibres from different individuals using dynamic mechanical thermal analysis combined with polar solvent penetration.

Graphical abstract: Understanding the variability of properties in Antheraea pernyi silk fibres
From the themed collection: Silk and silk-inspired materials
Paper

Prediction of the structure of a silk-like protein in oligomeric states using explicit and implicit solvent models

Our simulation results show that the conformation of our silk-like protein changes upon self-assembly into aggregates containing more than two proteins. We find that self-assembly of the proteins is cooperative.

Graphical abstract: Prediction of the structure of a silk-like protein in oligomeric states using explicit and implicit solvent models
From the themed collection: Silk and silk-inspired materials
Paper

What makes spider silk fibers so strong? From molecular-crystallite network to hierarchical network structures

The breakage of animal silk fibers is studied using a Hierarchical Network (HN) model, in which the breaking mechanism is described from the molecular nanoscale to the nano-micro-scale.

Graphical abstract: What makes spider silk fibers so strong? From molecular-crystallite network to hierarchical network structures
From the themed collection: Silk and silk-inspired materials
Paper

Inverse temperature transition of elastin like motifs in major ampullate dragline silk: MD simulations of short peptides and NMR studies of water dynamics

NMR two-dimensional relaxation studies and MD simulations are used to probe the distribution, dynamics, populations and thermal behavior of water in major ampullate spider dragline silk.

Graphical abstract: Inverse temperature transition of elastin like motifs in major ampullate dragline silk: MD simulations of short peptides and NMR studies of water dynamics
From the themed collection: Silk and silk-inspired materials
Paper

Comparison of four synthetic model peptides to understand the role of modular motifs in the self-assembly of silk fibroin

The effects of the modular motifs on β-sheet formation of silk fibroin self-assembly were: GS6 > GS10 > GY8 > GY6.

Graphical abstract: Comparison of four synthetic model peptides to understand the role of modular motifs in the self-assembly of silk fibroin
From the themed collection: Silk and silk-inspired materials
Paper

Controllable cell adhesion, growth and orientation on layered silk protein films

Due to their mechanical stability, biocompatibility and biodegradability, silks are promising materials for various biomedical applications including tissue engineering.

Graphical abstract: Controllable cell adhesion, growth and orientation on layered silk protein films
From the themed collection: Silk and silk-inspired materials
Paper

Transparent and airtight silica nano- and microchannels with uniform tubular cross-section

Tight silica nano- and microchannels with uniform tubular diameters were fabricated from different fiber templates. Flow of liquids was monitored by confocal microscopy and described by the Lucas–Washburn equation.

Graphical abstract: Transparent and airtight silica nano- and microchannels with uniform tubular cross-section
From the themed collection: Silk and silk-inspired materials
Paper

Surface properties of spider silk particles in solution

The colloidal properties of spider silk particles prepared from eADF4(C16) have been analyzed concerning their application in pharmaceutical formulations. Electrostatic and steric forces provide stability over a large range of pH and ionic strength.

Graphical abstract: Surface properties of spider silk particles in solution
From the themed collection: Silk and silk-inspired materials
Paper

Micromechanical characterization of spider silk particles

The mechanical properties of eADF4 particles show dependence on crosslinking, molecular weight and hydration state, which offers multiple tuning possibilities for potential applications.

Graphical abstract: Micromechanical characterization of spider silk particles
From the themed collection: Silk and silk-inspired materials
Paper

Enhanced rigidity and rupture strength of composite hydrogel networks of bio-inspired block copolymers

Self-assembled composite networks of silk-like fibers in a soft physical network show enhanced modulus and toughness.

Graphical abstract: Enhanced rigidity and rupture strength of composite hydrogel networks of bio-inspired block copolymers
From the themed collection: Emerging Investigators
Paper

Effect of sodium chloride on the structure and stability of spider silk's N-terminal protein domain

Sodium chloride prevents premature silk protein assembly in the spider’s spinning gland by affecting inter-terminal domain salt bridges.

Graphical abstract: Effect of sodium chloride on the structure and stability of spider silk's N-terminal protein domain
From the themed collection: Silk and silk-inspired materials
Paper

Evidence by infrared spectroscopy of the presence of two types of β-sheets in major ampullate spider silk and silkworm silk

Infrared spectroscopy coupled with hydrogen–deuterium exchange has allowed us to quantify the content of crystalline and interphase β-sheets in spider major ampullate silk and silkworm silk.

Graphical abstract: Evidence by infrared spectroscopy of the presence of two types of β-sheets in major ampullate spider silk and silkworm silk
From the themed collection: Silk and silk-inspired materials
Paper

Effect of regeneration of liquid silk fibroin on its structure and characterization

The molecular structure and properties of the regenerated silk fibroin suffer severely from the silk degumming and fiber dissolution systems.

Graphical abstract: Effect of regeneration of liquid silk fibroin on its structure and characterization
From the themed collection: Silk and silk-inspired materials
21 articles

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