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In this study, researchers observed that during zebrafish fin regeneration, osteoblast Erk activity, influenced by Fgf receptor signaling, forms gradients scaling with amputation length, which predicts regenerative tissue growth and skeletal structure size.

In this study, FITC-labeled BSA nanocarriers delivered a model drug deeper into porcine ear skin hair follicles than the carriers themselves, as shown by confocal microscopy.

In this study, researchers developed a GelMA-based gradient pH hydrogel that effectively reduced bacterial load and promoted fibroblast and endothelial cell proliferation, macrophage polarization, neovascularization, and hair follicle regeneration, offering a promising treatment for bacterially infected skin wounds.

This study suggests that human hair keratin-based gradient hydrogels incorporating silver ions may serve as promising dermal templates for wound healing, demonstrating favorable mechanical properties, cell interaction, and antibacterial activity.

This study used melamine formaldehyde particles to measure a pH gradient along the hair shaft, showing a significant pH decrease from the hair sheath to the external shaft.