Abstract: A process of preparing articles having gaseous NO sequestered therein is disclosed, as well as articles prepared thereby. Also disclosed are articles having gaseous NO sequestered therewithin and having reduced amount of oxygen-containing and/or nitrogen-containing reactive species. Also disclosed are processes of preparing packaged articles having a non-gas permeable package that comprises gaseous NO therein and packaged articles made therefrom. Also disclosed are charging devices which can be utilized in the above-described processes. The articles prepared by the above-described processes are preferably medical devices such as indwelling catheters, intubation devices and tampons. Tampons having sequestered therein gaseous NO, uses thereof and processes of preparing same are also disclosed.