A team led by Professor Zhou Huanping from Peking University has published two papers in the field of perovskite solar cells ...

A change is called irreversible if it cannot be changed back again. Many chemical reactions are irreversible. In a chemical reaction, new materials are always formed. Sometimes these new materials ...

Pepsin has an optimum of pH 2.5 and a working range of between pH 1-4. Catalase has an optimum pH of 9 and a working range of between pH 7-11. Most other enzymes function within a working pH range ...

Feb. 6, 2025 — Nearly every disease has an inflammatory component, but blood tests can't pinpoint inflammation in specific organs or tissues in the human body. Now researchers have developed a ...