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기업 위기 상황에서 신뢰와 불신의 선행 요인과 결과 요인 탐색에 관한 연구 -위기 유형, 공중의 분노 및 부정적 커뮤니케이션 행동을 중심으로
문빛(교수) ( Bitt Beach Moon ),박건희 ( Geonhee Park ) 한국PR학회 2016 PR연구 Vol.20 No.1
Trust and distrust are separate concepts that co-exist yet differ in terms of their functional roles. However, there is little empirical research to examine how trust and distrust function differently from a corporate crisis management perspective. This study thus attempted to explore how trust and distrust are affected by the crisis types and how the differential concepts stimulate anger and negative communication behavior. An experiment with 200 Korean participants was conducted in 2015. The results showed that trust acts as defensive power to mitigate a corporate crisis whereas distrust works as detrimental factor to worsen the crisis situation. Theoretical and strategic implications are further discussed.
칼슘과 마그네슘이 조절된 해양심층수가 신장세포에서 항산화에 미치는 영향
조소민 ( So Min Jo ),남자인 ( Jain Nam ),박건희 ( Geonhee Park ),김병구 ( Byeong Goo Kim ),정귀화 ( Gwi-hwa Jeong ),허병석 ( Byung Serk Hurh ),김지연 ( Ji Yeon Kim ) 한국응용생명화학회 2021 Journal of Applied Biological Chemistry (J. Appl. Vol.64 No.2
In this study, the antioxidant effects of mineral-containing deep sea water (DSW) on kidney function was confirmed using a cell model. DSW samples were prepared with different mineral concentrations including calcium and magnesium―the main minerals found in DSW―to derive the following sample groups: trace minerals (TM), high magnesium (HM), high magnesium, low salt (HMLS) and high magnesium, high calcium (HMHC). The purpose of this preparation was to determine the optimal calcium/magnesium ratio in DSW. Human embryonic kidney (HEK293) cells were exposed to sodium chloride (NaCl) for 2 h to induce release of reactive oxygen species (ROS). Thereafter, the cells were treated with the respective DSW samples before ROS concentrations, as well as antioxidant enzyme activity and protein levels, were measured. Among the water samples, HMLS showed the most protective effect against ROS, whereas the intracellular glutathione content was highest in cells from the HMLS- and HMHC-treated groups. However, TM-and HMHC-treated cells showed similar tendencies to the control group, in terms of mRNA expression of antioxidant genes. These results suggested that DSW may aid in preventing renal oxidative stress caused by excessive sodium intake. Furthermore, it was determined that HMLS and HMHC water samples displayed good antioxidant effects in the kidney cell model, based on the combined results of ROS concentration and antioxidant marker measurements.