Âé¶¹ÒùÔº

Search results for nacre

Materials Science May 16, 2025

Synthetic materials mimic seashells to enhance energy absorption

Millions of years of evolution have enabled some marine animals to grow complex protective shells composed of multiple layers that work together to dissipate physical stress. In a new study, engineers have found a way to ...

Analytical Chemistry Apr 7, 2025

Nacre-like ceramic-metal composite achieves superior strength and mass-production potential

Mollusks possess sturdy protective shells, thanks to their internal nacre structure. Nacre, the natural nanocomposite, demonstrates outstanding mechanical properties through both high strength and high toughness. Nacre, therefore, ...

Bio & Medicine Mar 26, 2024

A nanoscale look at how shells and coral form reveals that biomineralization is more complex than imagined

Exactly how does coral make its skeleton, a sea urchin grow a spine, or an abalone form the mother-of-pearl in its shell? A new study at the Advanced Light Source at the Department of Energy's Lawrence Berkeley National Laboratory ...

Materials Science Mar 2, 2024

Bio-inspired materials showcase potential for protective equipment and textiles

Bio-inspired materials (BIM) are synthetic materials whose structure and properties are similar to natural materials or living matter. These materials have the potential to advance structural materials, textiles and protective ...

Polymers Feb 8, 2024

New process allows full recovery of starting materials from tough polymer composites

In a win for chemistry, inventors at the Department of Energy's Oak Ridge National Laboratory have designed a closed-loop path for synthesizing an exceptionally tough carbon-fiber-reinforced polymer, or CFRP, and later recovering ...

Biochemistry Jan 12, 2024

New research deciphers biomineralization mechanism

Many organisms can produce minerals or mineralized tissue. A well-known example is nacre, which is used in jewelry because of its iridescent colors. Chemically speaking, its formation begins with a mollusk extracting calcium ...

Biochemistry Jul 17, 2023

Team fabricates chitin hydrogel via chemical transformation of chitosan

Chitin hydrogel is recognized as a promising material for a variety of biomedical applications. Its biocompatibility and biodegradability make it useful in tissue repair, artificial organs, and wound healing. Yet scientists ...

Nanomaterials Jun 21, 2023

Researchers develop an extreme environment-resistant nanopaper

With the in-depth exploration of extreme environments such as Antarctica, the moon, and Mars, frequent emerging extreme conditions, including strong ultraviolet (UV), atomic oxygen (AO), and high and low temperature alteration, ...

Analytical Chemistry Jan 24, 2023

Researchers report on metal alloys that could support nuclear fusion energy

At the end of 2022, researchers at Lawrence Livermore National Laboratory announced they had observed a net energy gain through nuclear fusion for the very first time. This monumental milestone toward fusion energy represents ...

Analytical Chemistry Nov 28, 2022

Learning from pangolins and peacocks: Researchers explore next-gen bio-inspired structural materials

From pangolin scales that can stand up to hard hits to colorful but sturdy peacock feathers, nature can do a lot with a few simple molecules.

page 1 from 11