6b02009. Structure of MC-LR; structure of MTT and colored formazan product; description of MTT assay; cell viability as a function of MC-LR concentration; effects of UV 254 irradiation, chlorination, ...

One of the challenges O’Briant and his colleagues face is controlling trihalomethanes, a chemical liquid byproduct that forms when chlorine, used to kill microorganisms, reacts with natural ...

As they reach the stratosphere, the sun's UV rays break CFCs down into substances such as chlorine. This groundbreaking research—for which they were awarded the 1995 Nobel Prize in chemistry ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. A toxic cloud caused by a fire in a chemical ...

MADRID-The Spanish authorities told more than 160,000 people near Barcelona to stay indoors on May 10 after a fire at an industrial warehouse released a toxic cloud of chlorine over a wide area.

The smoke was so toxic that around 160,000 people in Spain’s northeastern region were confined to their homes after the industrial estate fire saw a cloud of chlorine over a huge area., ...

Spanish authorities told more than 160,000 people near Barcelona to stay indoors on Saturday after a fire at an industrial property released a toxic cloud of chlorine over a wide area. The blaze ...

Spanish authorities have ordered 160,000 people near Barcelona not to go outside after a factory fire released a toxic chlorine cloud into the air. The blaze broke out at around 2.30am (local time ...

An order was lifted on Saturday to confine around 160,000 people in Spain’s northeastern Catalonia region after a fire at an industrial estate caused a toxic cloud of chlorine over a wide area ...