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This study found that stepwise thermal treatment of human hair waste at temperatures from 200 to 450 °C produced hollow microtubes, with structure changes influenced by temperature, core degradation, and cortex melting.

This study proposes that the terminal tuft structure in sensory nerve endings, involving Schwann cell processes and axon fingers, potentially plays a role in mechano-electric transduction in rats.

This study found that disrupting the microtubule cytoskeleton in Arabidopsis root hairs caused loss of growth directionality and suggested microtubules interact with calcium gradients to regulate apical growth stability.

In this study, researchers demonstrated that human hair keratins can self-assemble into stable nanofibrous networks in vitro, which are compatible with human skin cells and useful for regenerative applications.

This article reviews advancements in carbon dots for tissue engineering and regenerative medicine, highlighting challenges and future directions without presenting new clinical findings.

This article reviews self-assembled nanoparticles, highlighting their promising role in drug delivery systems but noting the need for further research on stability and large-scale industrial application; it reports no new clinical findings.

This study reports that trichocyte intermediate filaments from rat vibrissae and human hair follicles may contain a hollow region at their core, suggesting unique structural properties.

In this study, researchers developed hollow mesoporous organosilica nanoparticles and confirmed their synthesis using IR spectroscopy, then evaluated the nanoparticles for endocytosis and biocompatibility, although specific results of these tests are not reported in the abstract.

This review highlights recent advancements in using nanotechnology to improve the function and delivery of PROTAC drugs, despite existing challenges like low solubility and poor permeability, aiming to enhance their potential in disease treatment.

This source reports on advances in stimulus-responsive nanoparticle-based PROTACs (nano-PROTACs), which aim to overcome existing challenges like poor cell permeability and systemic off-target effects by enabling controlled protein degradation through endogenous or exogenous stimuli, potentially enhancing therapeutic efficacy and reducing toxicity.

This study discovered a conserved "fiber-like-motif" of melanosomes aligned in hair across various mammalian species, shedding light on the internal structure that influences hair's thermal and mechanical properties.

This study found that nanovesicles derived from ReNcell VM cells promoted hair growth in mice by activating the Wnt/β-catenin signaling pathway, suggesting they may serve as an alternative to extracellular vesicles for hair growth therapy.

This review highlights that incorporating nanomaterials into scaffolds can significantly enhance angiogenesis in tissue regeneration by simulating extracellular matrix structures and effectively delivering angiogenesis-related factors, offering promising designs for vascularization and therapeutic applications.

In this study, researchers used a 3D in vitro organ culture system to show that rifampicin-loaded lipid nanocapsules can penetrate hair follicles more effectively than free rifampicin, highlighting the potential advantage of nanocarrier-based antibiotic treatments for follicular infections.

This study designed fibronectin nanogel microneedles, reporting their potential to enhance tissue repair by improving collagen organization, reducing inflammation, and promoting angiogenesis in both photoaged and diabetic wound models.

This study found that fibronectin nanofiber dressings, made using rotary jet spinning, accelerated wound healing and improved tissue restoration in a full-thickness wound mouse model.

Human hair keratin was used to create a scaffold that could help with skin repair.

This study introduced fibronectin nanogel microneedles (FNG MNs) that demonstrated improved tissue penetration and transdermal delivery, restoring skin homeostasis in a photoaged mouse model and enhancing collagen deposition and angiogenesis in a diabetic wound rat model.

In this study, researchers demonstrated that follicular tight junctions in porcine skin form a barrier to nanoparticle penetration, particularly in upper regions, which supports its use as a model for human skin.

This review explores the potential of nanofiber scaffolds as an advanced intervention in peripheral nerve regeneration, detailing their fabrication, cellular interactions, controlled bioactive agent release, clinical translation prospects, emerging trends, and biocompatibility considerations for treating peripheral nerve injuries.

This study reports that a new boron/nitrogen-doped carbon nano-onion-based delivery system for doxorubicin enhanced its uptake and anticancer effects in specific cancer cell types, while reducing cardiotoxicity in human heart cells.

This study observed that human hair macrofibrils predominantly exhibit a double-twist architecture with varying inter-macrofibril angles, advancing insights into their structural organization and mechanical implications.

This study reported that a novel chitosan/polyvinyl alcohol nanofiber sponge effectively enhances the hair follicle-inducing ability of dermal papilla multicellular spheroids in a mouse model.

This study found that fullerene nanomaterials can significantly enhance hair growth and increase hair follicle numbers in both shaved and bald mouse models, as well as in cultured human skin sections.

This review discusses the protective and reparative properties of chitin nanofibrils on hair structure and reports no clinical results; the authors suggest chitin-based products may aid in hair regrowth.

Scientists made glow-in-the-dark dots from human hair that can detect iron, prevent counterfeiting, and reveal fingerprints.