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        Hydrogen Peroxide Extends Postharvest Life of Ctenanthe setosa Leaf Cuts under Osmotic Stress by Reducing Leaf Rolling

        Aykut Saglam,Ebru Kalaycioglu,Funda Gul Guven,Neslihan Saruhan,Asım Kadioglu,Mehmet Demiralay 한국원예학회 2014 Horticulture, Environment, and Biotechnology Vol.55 No.4

        Reducing effects of exogenous hydrogen peroxide on leaf rolling in detached leaves of Ctenanthe setosawere studied. The leaves were kept in H2O2 solutions ranging from 0 to 1 mM for 48 h and then, osmotic stresswas applied for 4 h by polyethylene glycol (PEG). Degree of leaf rolling, loss of leaf water, and malondialdehyde(MDA) content were reduced by 0.2 mM H2O2. Antioxidant enzymes were induced by 0.2 mM H2O2. EndogenousH2O2 content was increased after the 0.5 and 1 mM H2O2 treatments but was decreased after 0.2 mM H2O2 treatment. Proline was decreased after exogenous H2O2 applications. Total soluble sugar content was increased as compared tothe control after 0.2 mM H2O2 treatment. In conclusion, low-dose exogenous H2O2 treatment could delay leaf rollingby inducing tolerance to osmotic stress due to modulation of the antioxidant system, soluble sugar accumulation, andmaintenance of leaf hydration. Therefore, postharvest life of C. setosa cut foliage could be extended by 0.2 mMH2O2 treatments.

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        The Effect of Occupational Moral Injury on Career Abandonment Intention Among Physicians in the Context of the COVID-19 Pandemic

        Sert-Ozen Arzu,Kalaycioglu Ozan 한국산업안전보건공단 산업안전보건연구원 2023 Safety and health at work Vol.14 No.1

        Background: Since the advent of the COVID-19 pandemic, physicians have been the unsung heroes of the pandemic. However, many are about to give up the battlefield. This study investigated the effect of occupational moral injury on physicians’ career abandonment intention, taking into account the possible mediating role of emotional exhaustion. Methods: Cross-sectional data collected from 201 physicians were analyzed using the partial least squares structural equation modeling (PLS-SEM) with SmartPLS to determine the relationship among physicians’ moral injuries, emotional exhaustion, and career abandonment intention. Results: The results indicated that occupational moral injury was positively related to emotional exhaustion and career abandonment intention. In addition, emotional exhaustion was found to play a mediating role in the relationship. Conclusion: To reduce physicians’ intention to leave their career, physicians should be prepared for moral injury and psychological issues by offering psychological support and meeting their needs early at both the individual and organizational levels during and after the pandemic.

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