Preparation of an aqueous photoinitiator through supramolecular assembly oriented towards 3D printing hydrogel without VOC emission

Review Food Science & Technology

A review on 3D printable food materials: types and development trends

Gaoshang Li et al.

Summary: 3D printing technology has been widely used in food processing field due to its characteristics of moulding without moulds and saving materials. The properties of materials have a great influence on the accuracy and moulding ability of printed food.

INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY (2022)

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Article Materials Science, Multidisciplinary

Preparation of a Photocured Biocompatible Hydrogel for Urethral Tissue Engineering

Xiang Gu et al.

Summary: This study explores the preparation of composite hydrogels using 2-hydroxyethyl methacrylate and sodium alginate, demonstrating positive effects in urethral tissue engineering. Through the composite photoinitiator system, the visible-light curing of the hydrogel was realized, improving its properties and enabling 3D printing.

ACS APPLIED POLYMER MATERIALS (2021)

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Article Biochemistry & Molecular Biology

Zwitterionic Hydrogel with High Transparency, Ultrastretchability, and Remarkable Freezing Resistance for Wearable Strain Sensors

Qin Jiao et al.

Summary: This study presents the development of an ultrastretchable, highly transparent, and antifreezing zwitterionic-based electronic sensor that can maintain its toughness and transparency down to -40 degrees C. The zwitterionic hydrogel exhibits good biocompatibility and protein adsorption resistance. Such zwitterionic hydrogel-based strain sensors could be highly valuable for wearable electronic devices, especially in extreme environment applications.

BIOMACROMOLECULES (2021)

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Article Multidisciplinary Sciences

Hydrogel tapes for fault-tolerant strong wet adhesion

Bin Xue et al.

Summary: The authors report on the controlled electrical oxidation of catechol to catecholquinone, allowing for covalent adhesion that can be repositioned over longer times. The hydrogel tapes they developed show fast reversible adhesion at the initial stage and ultrastrong adhesion after the formation of covalent linkages over hours, promising broad biomedical and clinical applications.

NATURE COMMUNICATIONS (2021)

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Article Multidisciplinary Sciences

Injectable hydrogel with MSNs/microRNA-21-5p delivery enables both immunomodification and enhanced angiogenesis for myocardial infarction therapy in pigs

Yan Li et al.

Summary: A microRNA-21-5p delivery system using functionalized mesoporous silica nanoparticles was developed to simultaneously inhibit inflammatory response and promote angiogenesis, effectively reducing infarct size in a porcine model of myocardial infarction.

SCIENCE ADVANCES (2021)

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Article Multidisciplinary Sciences

A pulsatile release platform based on photo-induced imine-crosslinking hydrogel promotes scarless wound healing

Jian Zhang et al.

Summary: Effective healing of skin wounds is crucial for survival, but scar formation is a complex process. Inhibiting TGF beta signaling can reduce scar formation, yet systemic inhibition of TGF beta may have significant side effects.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

Biomimetic Glucose Trigger-Insulin Release System Based on Hydrogel Loading Bidentate β-Cyclodextrin

Renqi Wang et al.

Summary: Initiated by the specific binding between D-glucose and biological receptors, the delicate metabolic system in the human body regulates blood D-glucose levels, with insulin release playing a crucial role in preventing hyperglycemia and type I diabetes. A novel hydrogel system is presented, which responds specifically to D-glucose and releases insulin on demand, showing potential therapeutic efficacy in treating hyperglycemia.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Review Materials Science, Multidisciplinary