Covalent drugs block protein function by forming a specific bond between the ligand and target protein. A covalent mechanism of action can provide many pharmacological advantages over a reversible ...

Atomic size measurements like van der Waals and covalent radii are central to chemistry, but are they grounded in reality?

Scientists have reported a molecular pulley binder for high-capacity silicon anodes of lithium ion batteries. Silicon anodes are receiving a great deal of attention from the battery community. They ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

After decades of debate, researchers say that they have found the clearest evidence yet for this rare form of carbon.

Chemists from St. Petersburg University has developed a new family of luminescent iridium complexes that, for the first time, realize a unique mechanism of photoactivated proton transfer. In the ...

Once used by vets to anesthetize elephants, carfentanil is now an extremely dangerous illicit drug often disguised as an oxycodone tablet—and it's 100 times stronger than fentanyl.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

Discover how a negative covenant limits company actions, maintaining compliance by restricting activities without bondholder approval. Learn its role and impact.