was pipetted onto a copper grid (TED PELLA, Redding, CA, USA) with formvar film and incubated for 5 min. After removing excess liquid, negative staining was performed with 1% uranyl acetate for 5 min.

China's growing copper reserves have caught the eye of President Donald Trump, who on Tuesday ordered an investigation into what administration officials say is Beijing's move to "gain control of ...

President Trump on Tuesday directed his Commerce secretary to investigate the need for possible tariffs on copper, the latest industry to potentially be targeted by Trump’s sweeping trade agenda.

Commerce Secretary Howard Lutnick said President Trump plans to introduce steep tariffs on copper imports after he directed Cabinet officials to investigate the country’s ability to rely on its ...

President Donald Trump ordered the Commerce secretary to compile a report about whether U.S. reliance on foreign copper threatens national security. In his order, the president sought policy ...

President Donald Trump signed an executive order on Tuesday instructing the Department of Commerce to investigate whether to impose tariffs on copper and derivative products, key industrial ...

US President Donald Trump has ordered an investigation of copper imports in what is a first step toward potential tariffs on the metal. Administration officials said the White House wanted to find ...

Tariffs, if they are imposed, could boost U.S. production of a valuable resource but also raise costs for automakers, construction companies and others. By Ana Swanson and Shawn McCreesh Ana ...

WASHINGTON, Feb 25 (Reuters) - President Donald Trump opened yet another front on Tuesday in his assault on global trade norms, ordering a probe into potential new tariffs on copper imports to ...

LONDON, Feb 26 (Reuters) - The U.S. industrial sector will have the most to lose from potential U.S. tariffs on copper, analysts say, with costs seen rising significantly during what would be a ...

Panasonic has rung the changes on this second edition of its full-frame flagship. The Lumix S1R II improves upon the original S1R in every key area, battery life excepted. For me, the most ...