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The role of nitric oxide (NO) and the relationship between NO and cytosolic pH during inhibition of ABA effect by fusicoccin (FC) in guard cells of Vicia faba were analyzed. ABA induced NO generation and stomatal closure, but FC inhibited the effects of ABA. Treatment with 2-(4-carboxyphenyl)-4,4,5,5-tetra-methylimidazoline-1-oxyl-3-oxide (cPTIO) and(More)
Ethylene promotes stomatal closure via inducing hydrogen peroxide (H2O2) generation. H2O2 can be catalytically synthesized by several enzymes in plants. Here, by means of stomatal bioassay, the analysis of enzyme activity and using laser-scanning confocal microscopy based on the H2O2-sensitive probe 2′,7′-dichlorodihydrofluorescein diacetate (H2DCF-DA), the(More)
The effects of aluminum implantation on HfO 2 thin films using plasma immersion ion implantation (Al– PIII samples) are investigated. X-ray photoelectron spectroscopy measurements reveal that most of the implanted aluminum atoms accumulated near the surface region of the oxide film. The greatly reduced leakage current, smaller flatband shift and steep(More)
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