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This review outlines the current state and future prospects of using layer-by-layer self-assembly for cell encapsulation in biomedical applications, such as cell-based biosensors, transplantation, and tissue engineering, while also discussing its limitations and potential advancements.

This study found that using layer-by-layer encapsulation techniques on dermal papilla cells can support their function and may help treat hair loss when used in conjunction with freshly isolated epidermal cells.

This review discusses the potential applications and advantages of encapsulating single cells for use in therapeutics and diagnostics, while also evaluating various methods for effectively creating and sorting single-cell units despite challenges in production and cost.

This study developed innovative silica/natural polysaccharide hybrid nanoparticles encapsulating plant-derived 5-alpha-reductase inhibitors, reporting effective controlled release at hair follicle pH and lower cytotoxicity, suggesting a promising delivery system for antiandrogenic treatments.

This study developed a nanoscale biomimetic matrix that effectively and stably expands human hair follicle stem cells, offering a new tool for hair follicle reconstruction research.

This review discusses alginate-based delivery systems for probiotics, highlighting recent advances, challenges, and future directions, but reports no new clinical findings.

This study reports that using nanogel and layer-by-layer self-assembly to encapsulate single dermal papilla cells can form cell spheroids that regenerate hair follicles successfully in a hair follicle regeneration model.

This study demonstrated that OSA hydrogels enhanced the stability and retention of dermal papilla-derived extracellular vesicles, which significantly improved hair regeneration in both cultured human hair and a mouse depilation model.

This review discusses recent advances in surface modification and endothelialization of biomaterials for vascular grafts, highlighting promising methods like gene engineering and targeting ligand immobilization to improve clinical outcomes.

This review discusses strategies and advances in bioprinting for skin wound healing, concluding that bioprinting could offer promising solutions for skin regeneration despite existing challenges.

This review discusses the development and future prospects of biomaterials for in situ tissue regeneration but reports no new research results; it underscores the importance of biomaterials in addressing tissue defects.

This review discusses the development of electrospun nanofibrous scaffolds for promoting angiogenesis in tissue engineering but notes that their clinical application beyond bone and skin repair is still limited.

This article reviews the properties of cellulose nanocrystals for sustainable development but presents no new experimental results.

This review outlines the transition from simple hair follicle organoids to immune-competent microphysiological systems, addressing limitations in replicating native hair follicle immune features and discussing their applications in disease modeling and regenerative medicine.

This review introduces the potential of metal-organic framework-based functional composite materials in tissue engineering but reports no new results, emphasizing the need for further innovation in the field.

This review discusses recent advances in hair regeneration therapies, highlighting the potential of nanotechnology and pluripotent stem cells, and reports no new results, emphasizing the need for further research.

In this systematic review, researchers found that nanotopical systems like nanoparticles and liposomes significantly improved hair density, thickness, and follicular regeneration markers in alopecia treatment, sometimes surpassing traditional therapies like topical minoxidil, though methodological limitations remain such as insufficient long-term clinical trials.

This review paper highlights the development and application of organic and biogenic nanocarriers for delivering bioactives, focusing on eco-friendly and sustainable nanotechnology strategies while addressing challenges like toxicity and paving the way for future innovations in green solution approaches.

This review discusses the unique properties, design, and fabrication of peptide hydrogels for biomedical applications, focusing on advances in drug delivery, gene therapy, and regenerative medicine; it reports no new clinical results.

This review discusses nanotechnology-based therapies for chronic wound healing and highlights their potential, but it reports no new clinical results.

This study found that low massage frequencies like 4.2 Hz enhance nanoparticle penetration into hair follicles more effectively than higher frequencies, indicating potential applications in therapeutic and cosmetic delivery.

This review discusses how engineering cell surfaces with polyelectrolytes can address challenges in cell therapy and related biomedical fields and reports no new research findings.

This review discusses the advantages and progress of chitosan hydrogels in vascular regeneration for tissue engineering scaffolds, highlighting modifications to enhance their application and exploring future prospects.

This review discusses how polymer- and lipid-based nanostructures can enhance wound healing by addressing issues like microbial contamination and inflammation, though it reports no new clinical results.

This review highlights the potential of microneedles and nanomedicine in advancing tissue regeneration, emphasizing their innovative, localized, and minimally invasive approaches as promising solutions to current challenges in treating chronic wounds and degenerative diseases.

This review introduces a framework to integrate bioinspired conductive materials and advanced 3D/4D printing in regenerative medicine for dynamic, responsive tissue regeneration, emphasizing the potential of smart scaffolds to adapt to physiological cues.

This study systematically reviews the development and applications of drug-loaded nanofiber scaffolds in wound healing, highlighting challenges such as maintaining drug activity and achieving controlled release, while summarizing preparation methods and describing advanced drug delivery schemes.

This review discusses recent advances in polydopamine-based biomaterials and their growing potential in personalized medicine, but reports no new experimental results; the authors highlight both opportunities and challenges for future applications.

This article discusses how designing biomaterials to modulate immune responses has become a promising strategy for enhancing tissue repair and regeneration.

This review highlights the potential of nanotechnology for hair follicle regeneration, focusing on strategies such as hair cycle modulation, progenitor cell stimulation, and wound-induced hair neogenesis, while also discussing regulatory challenges that may affect the development of these innovative approaches.