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General Physics Mar 21, 2024

The sticking point: Why physicists are still struggling to understand ice's capacity to adhere and become slippery

Whether in the form of frost or a smooth, transparent ice cube, ice adheres spontaneously and even quite strongly to many solid surfaces. However, as any careless person who has skidded on a winter sidewalk can testify, ice ...

Materials Science Mar 13, 2024

New high-speed microscale 3D printing technique

3D-printed microscopic particles, so small that to the naked eye they look like dust, have applications in drug and vaccine delivery, microelectronics, microfluidics, and abrasives for intricate manufacturing. However, the ...

Polymers Mar 13, 2024

Advancing tissue engineering with shape memory hydrogels

One of the primary goals in the field of tissue engineering and regenerative medicine is the development of artificial scaffolds that can serve as substitutes for damaged tissue. These materials must ideally resemble natural ...

Analytical Chemistry Mar 13, 2024

You don't need glue to hold these materials together—just electricity

Is there a way to stick hard and soft materials together without any tape, glue or epoxy? A new study published in ACS Central Science shows that applying a small voltage to certain objects forms chemical bonds that securely ...

Bio & Medicine Feb 29, 2024

Hydrogel spheres compose a microporous structure for localized mRNA delivery

In a significant leap forward in the realm of regenerative medicine, a team at the Terasaki Institute for Biomedical Innovation has introduced a pioneering approach to mRNA therapy using microspheres made of gelatin methacryloyl ...

Cell & Microbiology Feb 26, 2024

Controlling the microenvironment to promote wound healing and regeneration

The Korea Research Institute of Standards and Science has unveiled a new principle for controlling the microenvironment of biological tissues to promote wound healing and regeneration. This discovery holds significant promise ...

Materials Science Feb 23, 2024

Researchers design novel microfluidic module for controlling the porosity of manufactured materials

Porous materials are essential for many chemical processes, such as light harvesting, adsorption, catalysis, energy transfer, and even new technologies for electronic materials. Therefore, many efforts have been made to control ...

Ecology Feb 23, 2024

Shimmering seaweeds and algae antennae: Sustainable energy solutions under the sea

How could tiny antennae attached to tiny algae speed up the transition away from fossil fuels? This is one of the questions being studied by Cambridge researchers as they search for new ways to decarbonize our energy supply, ...

Biochemistry Feb 20, 2024

Scientists show positively charged hydrogels promote the survival and growth of neural stem cells

Researchers from Bochum and Dortmund have created an artificial cell environment that could promote the regeneration of nerves. Usually, injuries to the brain or spinal cord don't heal easily due to the formation of fluid-filled ...

Biochemistry Feb 19, 2024

Scientists create method to bond hydrogels and other polymeric materials using chitosan

Hydrogels are versatile biomaterials conquering an increasing number of biomedical areas. Consisting of water-swollen molecular networks that can be tailored to mimic the mechanical and chemical features of various organs ...

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