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压电材料作为一类重要的功能材料，可以将机械能和电能相互转换，在生物力传感、体内设备自供电和药物超声传递等可植入生物医学领域应用广泛。理想的可植入压电材料需要具备生物友好、可生物降解和高压电响应等特点，然而目前的压电材料难以兼具上述特点。
Radiopharmaceutical biotech company ITM Isotope Technologies Munich announced it has received regulatory approval to begin production of the medical radioisotope lutetium-177 at the company’s NOVA fac...
Abietic acid encapsulated Sn-57Bi alloy nanoparticles as oxidation resistant solder material
Sn-57Bi alloy nanoparticles abietic acid encapsulation metal oxide reduction
2023/12/21
Low-melting point solder Sn-57Bi alloy nanoparticles were synthesized and encapsulated with abietic acid (aa) thin layer to form a core-shell structure. Formation of nanoparticle enhances its mechanic...
New method ensures integrity of Savannah River’s radioactive material containers（图）
萨凡纳河 放射性物质 容器完整性
2024/3/7
Department of Energy contractor Savannah River Nuclear Solutions (SRNS) said its Savannah River Site employees recently used an innovative method to ensure the integrity of radioactive material storag...
Tannin as a renewable raw material for adhesive applications: a review
INDUCED ACCELERATED AUTOCONDENSATION WOOD ADHESIVES POLYFLAVONOID TANNINS CONDENSED TANNINS
2023/12/1
Considering the limits of petrochemical availability and their toxicity, there has been rapid development and innovation in the field of alternatives for petrochemical adhesives. The carcinogenicity o...
One-step self-assembly fabrication of three-dimensional copper oxide/graphene oxide aerogel composite material for supercapacitors
Graphene oxide aerogel CuO Supercapacitor Self-assembly
2023/6/21
A cylindrical composite material of three-dimensional copper oxide/graphene oxide aerogel (3DCuO/GOA) has been successfully synthesized as a supercapacitor electrode material by a convenient one-step ...
Porous frozen material approach to freeze-drying of instant coffee
Freeze-drying desorption drying time initial saturation sublimation
2023/6/19
Porous frozen material with a certain initial porosity was prepared to explore its influence on freeze-drying experimentally. Soluble coffee was selected as the solute in aqueous solution and liquid n...
Team uses 3D printing to strengthen a key material in aerospace, energy-generation applications（图）
3D打印 航空航天 能源生产 关键材料
2023/6/5
The materials key to many important applications in aerospace and energy generation must be able to withstand extreme conditions such as high temperatures and tensile stresses without failing. Now a t...
Using a precisely tuned, ultrafast laser, a Cornell researcher showed that the atomic structure of yttrium titanate could be changed to stabilize its magnetism at temperatures three times higher than ...
For the first time, molecules dating to the Stone Age have been revived in the lab.
Even as temperatures rise, this hydrogel material keeps absorbing moisture（图）
水凝胶材料 温度升高 被动冷却 水收集
2023/6/5
The vast majority of absorbent materials will lose their ability to retain water as temperatures rise. This is why our skin starts to sweat and why plants dry out in the heat. Even materials that are ...
Pushing a shovel through snow, planting an umbrella on the beach, wading through a ball pit, and driving over gravel all have one thing in common: They all are exercises in intrusion, with an intrudin...
Shape-memory metals, which can revert from one shape to a different one simply by being warmed or otherwise triggered, have been useful in a variety of applications, as actuators that can control the ...
Cornell researchers have revealed the nanomechanics inside a promising material for applications such as fuel cells and hydrogen production, and the findings are changing assumptions about the materia...
Inspired by the human heart, Penn Engineers design tear-resistant soft material（图）
抗撕裂软材料 人类心脏 机器人
2023/7/7
The human heart beats more than two billion times in an average lifespan. The aorta’s tissue is strong enough to withstand this stress, yet flexible enough to maintain a steady flow of blood. But how ...