Core Insights - The article summarizes recent advancements in hydrogel research published in various prestigious journals, highlighting innovative applications and properties of hydrogels in diverse fields such as biomedical engineering, materials science, and environmental technology [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20]. Group 1: Hydrogel Innovations - A hydrogel with excellent adhesion properties was developed, demonstrating strong bonding to various substrates and stability in freshwater and seawater environments, confirmed by biocompatibility tests in mice [2]. - A dual-network hydrogel was created that maintains flexibility across extreme temperatures from -115°C to 143°C, significantly expanding the functional range of hydrogels [2]. - Chiral peptide hydrogels were synthesized for use in cancer immunotherapy, showing the ability to induce distinct anti-tumor immune responses by modulating the local immune microenvironment [3]. - A novel nanofiber interwoven gel membrane was developed, exhibiting exceptional CO₂ permeability (2110 GPU) and high selectivity, outperforming traditional gel membranes [3]. Group 2: Advanced Hydrogel Applications - A dynamic phase-adaptive hydrogel platform was introduced, effectively repairing chronic wounds infected by drug-resistant bacteria while significantly reducing scar formation [5]. - A high-performance eutectic gel was created with superior mechanical properties, including a Young's modulus of 103.1 MPa and toughness of 86.8 MJ/m³, while maintaining flexibility at -80°C [5]. - A peptide-based nanorod strategy was employed to enhance the mechanical properties of hydrogels, retaining good biocompatibility and photopolymerizability, which is promising for bone and cartilage repair [5]. - A thermoelectric dressing was developed from sodium alginate hydrogels, utilizing micro-temperature differences to accelerate cell migration and angiogenesis without external power [5]. Group 3: Emerging Hydrogel Technologies - Light-responsive protein hydrogels were created, allowing for reversible light-controlled gelation and the design of light-controlled ligand-receptor pairs, providing new tools for optogenetics and responsive biomaterials [6]. - A hydrogel with a honeycomb-like hierarchical pore structure was designed, achieving a density as low as 800 kg/m³ and a strength increase of 2.4 times compared to existing materials, while reducing overall emissions by 49% [8]. - A biodegradable, temperature-sensitive hydrogel was developed to prevent postoperative cardiac adhesions, demonstrating superior effectiveness compared to commercial products [10]. - A smart siRNA hydrogel system was created, significantly accelerating the healing process of chronic diabetic wounds by dual regulation of ROS levels and MMP-9 expression [18]. Group 4: Upcoming Events - The "Fourth Advanced Hydrogel Materials and Industrial Applications Forum" will be held from October 21-23, 2025, in Suzhou, focusing on innovation-driven industrial integration and providing a platform for collaboration among government, industry, academia, and research [20].