Visualization of Plasma-Induced Liquid Flow Using KI–Starch and PIV

Shielding‐gas‐controlled atmospheric pressure plasma jets: Optical emission, reactive oxygen species, and the effect on cancer cells

“…We measured the spatial distribution of ROS produced by the plasma jet at the liquid surface using a KI‐starch reagent embedded in agarose gel . Using the same KI‐starch reagent, we also measured the total amount of ROS species produced in the liquid.…”

“…Among the species delivered to a target, ROS are widely considered significant players in causing cellular DNA damage, even cell death, and ROS are normally cited as causing increased damage with elevated concentration . Several recent reports have shown an ability to visually determine the 2D ROS concentration on an APPJ‐treated liquid surface by using a potassium iodide (KI)‐starch reagent . Here, with a similar reagent, we quantitatively measured both the 2D distribution of ROS deposited to the liquid surface and the total amount of ROS delivered to the liquid.…”

Non-thermal atmospheric pressure plasma as a powerful tool for the synthesis of rhenium-based nanostructures for the catalytic hydrogenation of 4-nitrophenol

“…In turn, the concentration of the total ROS was estimated using the KI-starch-based method. 33 In this assay, the de-oxidative potential of the ROS, such as OH˙, O, O 3 , H 2 O 2 , and HO 2 − , was established. The colour-forming solution was prepared by heating the reaction-mixture, i.e.…”

“…In turn, the concentration of the total ROS was estimated using the KI-starch-based method. 33 In this assay, the deoxidative potential of the ROS, such as OHc, O, O 3 , H 2 O 2 , and HO 2…”

Evidence, origin and impact of liquid flows in plasma medicine in vitro treatments with APPJs

“…In the first case, it has been reported on how the impinging of a plasma jet on a liquid can induce a fast linear flow going in the depth direction within the first seconds (<10 s) from the plasma ignition. The group of Kawasaki in particular investigated this effect in correlation with the fast transport of ROS in the bulk liquid and the supply of these species to the bottom of the vessel [12][13][14]. The fast liquid flow appears visible as rich of ROS that react with the dissolved KI-starch leading to a colour variation.…”