Camphor, borneol, and borneol acetate were purchased ... Agilent HP-5 column (0.25 μm, 0.32 mm × 30 m). Nitrogen was used as the carrier gas at a constant flow rate of 1.1 mL/min. The column was ...

Louisiana used nitrogen gas to put Jessie Hoffman Jr., 46, to death Tuesday evening in the state's first execution in 15 ...

Arkansas Gov. Sarah Huckabee Sanders has signed legislation allowing the state to carry out executions using nitrogen gas.

When Louisiana carries out the execution of Jessie Hoffman on March 18, he will be strapped to a gurney, fitted with a gas mask and forced to breathe in nitrogen gas until his heart stops.

HOUSTON (AP) — Louisiana is set this week to execute a man by nitrogen gas, the first execution in the state in 15 years. Jessie Hoffman Jr., 46, is scheduled to die on Tuesday in Louisiana.

A convicted murderer and rapist in Louisiana was executed by nitrogen gas Tuesday night, marking the state’s first death row killing in 15 years — and the first time the lethal method was used ...

A Louisiana death row inmate on Tuesday was executed with nitrogen gas, a method that has never been used before in the state. "Louisiana has successfully used nitrogen hypoxia to carry out the ...

Louisiana used nitrogen gas to put a man to death Tuesday evening for a killing decades ago, marking the first time the state has used the method as it resumed executions after a 15-year hiatus.

Louisiana carried out its first execution in 15 years on Tuesday evening, using nitrogen gas for the first time amid Catholic criticism of both the death penalty itself and the mode of execution.

Nitrogen gas had only been used in death row executions four times before Jessie Hoffman Jr. was executed in Louisiana on Tuesday. His lawyers tried to argue the method was unconstitutional ...