alginate hydrogel

Stretchable Hydrogel Optical Memristor for Photonic Near-Sensor Neuromorphic Skin

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Stretchable Hydrogel Optical Memristor for Photonic Near-Sensor Neuromorphic Skin

Stretchable Hydrogel Optical Memristor for Photonic Near-Sensor Neuromorphic Skin DOI：:10.1002/adfm.202419937 Corresponding Authors:Professors Zhang Shiming and Wang Zhongrui from the University of Hong Kong Literature Link: https://doi.org/10.1002/adfm.202419937 The development of skin-like optical memristors is crucial for wearable photonic neuromorphic computing, enabling ultra-fast artificial neural networks for edge information processing. However, most existing optical memristors are made … Read more

Episode 32 Podcast: Organoid Chips and Hydrogels – A Comprehensive Performance Overview

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Su Zhe: Today, we are going to discuss a topic that sounds a bit hardcore: organoid chips. You might wonder, why do scientific experiments require so many complex testing methods to validate results? Actually, there is a particularly interesting analogy behind this. Gao Qing: Oh? What analogy? Su Zhe:It’s like introducing a blind date to … Read more

High Self-Supporting Chitosan-Based Hydrogel Ink for In Situ 3D Printed Diabetic Wound Dressing

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High Self-Supporting Chitosan-Based Hydrogel Ink for In Situ 3D Printed Diabetic Wound Dressing

In this study, a cleverly designed high self-supporting chitosan-based hydrogel ink with a dense, reversible physical crosslinking network was developed for the rapid in situ preparation of personalized diabetic wound dressings. This network is established through various electrostatic and hydrogen bonding interactions between the zwitterionic polyelectrolyte carboxymethyl chitosan and nano-clay, and is further enhanced by … Read more

ZIF-67 Embedded Polyacrylamide/Sodium Alginate/Polyacrylic Acid Hydrogel for Efficient and Selective Uranium Extraction

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ZIF-67 Embedded Polyacrylamide/Sodium Alginate/Polyacrylic Acid Hydrogel for Efficient and Selective Uranium Extraction

9.24Adsorption materialsAdsorption materialsRecently, the international journal ACS Applied Materials & Interfaces published online a research paper titled “ZIF-67-Embedded Polyacrylamide/Sodium Alginate/Polyacrylic Acid Hydrogel for Efficient and Selective Uranium Extraction”. In this study, a novel PAM/SA/PAA@ZIF-67 (PSP@ZIF-67) adsorbent was prepared by incorporating ZIF-67 into polyacrylamide/sodium alginate/polyacrylic acid (PAM/SA/PAA) hydrogel through chelation and covalent crosslinking.ACS Applied Materials & … Read more

A Color-Changing Hydrogel Microfluidic Pressure Sensor

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A Color-Changing Hydrogel Microfluidic Pressure Sensor

Background Accurate measurement of pressure in microfluidics is crucial for flow control, fluid characterization, and monitoring, but it faces challenges such as achieving sufficient resolution, non-invasiveness, and ease of use. Sensor Design and Mechanism Researchers from the University of Portsmouth (PSL) and Hokkaido University have designed a fully integrated multiplexed optical microfluidic pressure sensor that … Read more

Embedded Bioprinting Enables Precise Fabrication of Cultured Meat with Authentic Structural Properties

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Embedded Bioprinting Enables Precise Fabrication of Cultured Meat with Authentic Structural Properties

Dongwei Wu and colleagues from the Department of Applied Biochemistry at the Technical University of Berlin published an article titled “Embedded Bioprinting Enables Precise Fabrication of Cultured Meat with Authentic Structural Properties” in the journal Food Hydrocolloids in March 2026 (Corresponding author: Jens Kurreck). Background In recent years, the global food landscape has faced increasingly … Read more

The First 3D Printed Plant Cultivation Medium

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The First 3D Printed Plant Cultivation Medium

Soil is the natural environment for plant growth, containing a rich porous structure. As a substitute for soil, hydrogels can directly provide water, nutrients, air, and support for root systems. However, hydrogel cultivation media lack a refined porous structure. Recently, researchers from the School of Materials Science and Engineering at Donghua University, including Researcher Men … Read more

Powerless Miniature Robots Move Instantly with a Laser!

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Powerless Miniature Robots Move Instantly with a Laser!

In recent years, research on micrometer-scale soft robots has gained significant momentum, with potential applications spanning targeted drug delivery, tissue repair, environmental monitoring, and micro-mechanical operations. However, achieving complex motion control at the microscale, particularly mimicking the diverse movements of natural microorganisms (such as peristalsis, worm-like crawling, swimming, etc.), has been a core challenge hindering … Read more

Embedded Bioprinting Technology Enables Precise Manufacturing of Cell-Cultured Meat with Authentic Structural Characteristics

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Embedded Bioprinting Technology Enables Precise Manufacturing of Cell-Cultured Meat with Authentic Structural Characteristics

In the context of growing global concerns about the environmental, ethical, and health issues associated with traditional meat production, an innovative technology is attempting to revolutionize consumer choices at the dining table. Lab-grown meat has garnered significant attention in recent years as a sustainable alternative. However, making these “artificial meats” genuinely appealing to consumers, akin … Read more