Dongjing He
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View article: Reversible kink instability drives ultrafast jumping in nematodes and soft robots
Reversible kink instability drives ultrafast jumping in nematodes and soft robots Open
Entomopathogenic nematodes (EPNs) exhibit a bending-elastic instability, or kink, before becoming airborne, a feature previously hypothesized but not substantiated to enhance jumping performance. Here, we provide the evidence that this kin…
View article: Development of Bioorthogonally Degradable Tough Hydrogels Using Enamine <i>N</i>‐Oxide Based Crosslinkers
Development of Bioorthogonally Degradable Tough Hydrogels Using Enamine <i>N</i>‐Oxide Based Crosslinkers Open
Inducibly degradable polymers present new opportunities to integrate tough hydrogels into a wide range of biomaterials. Rapid and inducible degradation enables fast transition in material properties without sacrificing material integrity p…
View article: A material dynamically enhancing both load-bearing and energy dissipation capability under cyclic loading
A material dynamically enhancing both load-bearing and energy dissipation capability under cyclic loading Open
Material properties gradually degrade under cyclic loading, leading to catastrophic failure. It results in large costs for inspection, maintenance, and downtime. Besides, materials require combinations of performance such as load bearing a…
View article: Injectable Hydrogels for Programmable Nanoparticle Release
Injectable Hydrogels for Programmable Nanoparticle Release Open
Injectable hydrogels represent a promising strategy for the extended release of biological molecules, thereby reducing the frequency of injections. This study introduces a novel system based on Michael addition of dextran and polyethylene …
View article: Structural Consequences of Introducing Bioactive Domains to Designer β-Sheet Peptide Self-Assemblies
Structural Consequences of Introducing Bioactive Domains to Designer β-Sheet Peptide Self-Assemblies Open
We applied solid- and solution-state nuclear magnetic resonance spectroscopy to examine the structure of multidomain peptides composed of self-assembling β-sheet domains linked to bioactive domains. Bioactive domains can be selected to sti…
View article: Self-Assembling Peptides with Insulin-Like Growth Factor Mimicry
Self-Assembling Peptides with Insulin-Like Growth Factor Mimicry Open
Growth factor (GF) mimicry involves recapitulating the signaling of larger molecules or cells. Although GF mimicry holds considerable promise in tissue engineering and drug design applications, difficulties in targeting the signaling molec…
View article: Nonlinear Visco-Poroelasticity of Gels With Different Rheological Parts
Nonlinear Visco-Poroelasticity of Gels With Different Rheological Parts Open
A polymeric gel contains a crosslinked polymer network and solvent. Gels can swell or shrink in response to external stimuli. Two typical kinetic processes are involved during the deformation of gels: the viscoelastic and poroelastic respo…
View article: Pulsed electromagnetic field stimulation may improve fusion rates in cervical arthrodesis in high-risk populations
Pulsed electromagnetic field stimulation may improve fusion rates in cervical arthrodesis in high-risk populations Open
Objectives Pulsed electromagnetic field (PEMF) stimulation was evaluated after anterior cervical discectomy and fusion (ACDF) procedures in a randomized, controlled clinical study performed for United States Food and Drug Administration (F…
View article: Midkine in the mouse ventral tegmental area limits ethanol intake and <i>Ccl2</i> gene expression
Midkine in the mouse ventral tegmental area limits ethanol intake and <i>Ccl2</i> gene expression Open
Midkine ( MDK ) is a cytokine and neurotrophic factor that is more highly expressed in the brains of alcoholics and in mice predisposed to drink large amounts of ethanol, suggesting that MDK may regulate ethanol consumption. Here we measur…