High-speed counter current chromatography (HSCCC), an advanced liquid-liquid chromatography technique employing both a liquid ...

The residue was resuspended in 500 µL methanol and centrifuged at 13,000 g, 4°C for 10 min, and the supernatants were passed through 0.22 μm microporous membrane filters and were stored at −80°C for ...

A joint study between the Institute for Environment and Energy, Technology and Analytics (IUTA e. V., Duisburg, Germany) and Heinrich Heine University Düsseldorf (Germany) explored the combination of ...

Recent studies have introduced several new stationary phases that utilize ionic liquids, demonstrating their potential to improve the performance of gas chromatography. For instance, a novel ...

or liquid (liquid-liquid chromatography) stationary phase held within a column. SEC-MX enables simultaneous quantitative differential analysis of protein assembly states and post-translational ...

President Trump signed an executive order to phase out paper straws nationwide. Environmental groups argue that plastic straws harm marine life and take hundreds of years to decompose. Some ...

The humble paper check had a good run, but it’s all nearly dead today. Originally developed one thousand years ago in the Middle East, checks were the most widely used non-cash payment method in ...

"We're going back to plastic straws," Trump told reporters at the White House as he signed the order, saying that paper straws "don't work." "I don't think plastic is going to affect a shark very ...

What is the moon phase today? Today, Feb. 13, 2025, the moon is 15 days old and is in the Full Moon phase of its lunar cycle. It is 99% illuminated. Moon phases reveal the passage of time in the ...

Although the risks remain the same, you can refine your knowledge of options trading using an online paper trading options simulator that lets you practice without committing any funds ...

BEIJING, Jan 21 (Reuters) - U.S. President Donald Trump has directed federal agencies to assess China's performance under the Phase 1 trade deal that he signed with Beijing in 2020 during his ...