BioGold nuggets from a local waste stream

Biological gold recycling: BRAIN Biotech AG collaborates with PX Group on the PX Urban Mining Initiative

19-Feb-2025 - BRAIN Biotech AG and the PX Group, expert in the refining of precious metals from various segregated flows, are pleased to announce their collaboration within the framework of the PX Urban Mining Initiative. The extension of the partnership in this initiative stems from the successfully ...

Soft gold enables connections between nerves and electronics

13-Aug-2024 - Gold does not readily lend itself to being turned into long, thin threads. But researchers at Linköping University in Sweden have now managed to create gold nanowires and develop soft electrodes that can be connected to the nervous system. The electrodes are soft as nerves, stretchable and ...

Golden Ball Mills as Green Catalysts

A gold-coated grinding bowl proves to be a real marvel

18-Jun-2024 - Less waste, mild reaction conditions, and no harmful solvents – only a very thin layer of gold is necessary to sustainably convert alcohols into aldehydes through mechanochemistry. A gold-coated milling vessel for ball mills proved to be a real marvel in the research work by Inorganic Chemistry ...

A single atom layer of gold

Researchers create "goldene"

22-Apr-2024 - For the first time, scientists have managed to create sheets of gold only a single atom layer thick. The material has been termed goldene. According to researchers from Linköping University, Sweden, this has given the gold new properties that can make it suitable for use in applications such as ...

Turning waste into gold

Recovering gold from electronic waste using a byproduct of cheesemaking process

04-Mar-2024 - ETH Zurich researchers have recovered the precious metal from electronic waste. Their highly sustainable new method is based on a protein fibril sponge, which the scientists derive from whey, a food industry byproduct. Transforming base materials into gold was one of the elusive goals of the ...

Golden future for thermoelectrics

Record breaking material

20-Sep-2023 - Researchers at TU Wien discover excellent thermoelectric properties of nickel-gold alloys. These can be used to efficiently convert heat into electrical energy. Thermoelectrics enable the direct conversion of heat into electrical energy - and vice versa. This makes them interesting for a range of ...

Highly Charged Ions Melt Nano Gold Nuggets

Tiny structures made of gold can be specifically manipulated by ion bombardment – surprisingly, the decisive factor is not the force of the impact

30-Mar-2023 - Normally, we have to make a choice in physics: Either we deal with big things – such as a metal plate and its material properties, or with tiny things – such as individual atoms. But there is also a world in between: The world of small but not yet tiny things, in which both effects of the ...

Nanomaterial from the Middle Ages

Unlocking the secrets of Zwischgold

12-Oct-2022 - To gild sculptures in the late Middle Ages, artists often applied ultra-thin gold foil supported by a silver base layer. For the first time, scientists at the Paul Scherrer Institute PSI have managed to produce nanoscale 3D images of this material, known as Zwischgold. The pictures show this was ...

Graphene as 'the philosopher’s stone’: turning waste into gold

"This apparent magic is essentially a simple electrochemical process"

25-Aug-2022 - Throughout history, alchemists believed in the existence of the philosopher’s stone: a substance that could turn cheap substances into precious gold. Now scientists from The University of Manchester, Tsinghua University in China and the Chinese Academy of Sciences have shown that graphene can be ...

Buckyballs on gold are less exotic than graphene

08-Aug-2022 - C60 molecules on a gold substrate appear more complex than their graphene counterparts, but have much more ordinary electronic properties. This is now shown by measurements with ARPES at BESSY II and detailed calculations. Graphene consists of carbon atoms that crosslink in a plane to form a flat ...