Kyoung Yong Kim

Column elution and concentration of volatile compounds in biological fluids.

A new solvent elution method is described for the isolation and concentration of volatile metabolites in biological fluids. The procedure involves elution of the sample with a solvent through a micro-column of an adsorbent into glass-wool and evaporation of the excess solvent in a stream of helium at room temperature. The volatiles are revocered by subsequent heat desorption into a chromatogrpaphic system. Both elution and evaporation are made in a single step using a novel sampling device. Since the technique is based on liquid-solid adsorption chromatography, the adsorbent-solvent system which gives the maximum yield of volatile constituents was studied. The method is simple, highly efficient and reproducible, requiring only small volumes of biological fluids (less than 100 mul).

Are you my mentor? Informal mentoring mutual identification

Purpose – The purpose of this study is to understand the extent to which potential mentors and proteges agree that an informal mentoring relationship exists. Because these relationships are generally tacitly understood, either the mentor or protege could perceive that there is a mentoring relationship when the other person does not agree. Whether gender affects this is also to be examined.Design/methodology/approach – Individuals were asked to identify their mentoring partners. Each report of a partner was then compared to the partners list to determine whether there was a match (i.e. both reported the relationship as an informal mentoring relationship) or a mismatch (i.e. where one partner reported the relationship as an informal mentoring relationship but the other did not). This pattern of matches and mismatches was then analyzed to determine level of matching and gender differences.Findings – There is little agreement between mentoring partners: neither potential proteges nor potential mentors were v...

Reactions to abusive supervision: examining the roles of emotions and gender in the USA

Abusive supervision leads to many detrimental outcomes, yet the role of gender and emotions has received little attention. We applied affective events theory to study emotions in a new context. Using qualitative and quantitative methods, we tested a conditional process model of the effects of abusive supervision on subordinate work and job withdrawal as mediated by negative emotions and moderated by gender. We found support for our proposed model. Specifically, abusive supervision increased work and job withdrawal via victims’ negative emotional reactions. When negative emotions are low, women are more likely to engage in work withdrawal; when negative emotions are high, men are more likely to do so. Additionally, men experiencing high negative emotions are likely to quit their job.

Three Motives for Abusive Supervision: The Mitigating Effect of Subordinates Attributed Motives on Abusive Supervision’s Negative Outcomes:

We have learned a great deal about the negative consequences of abusive supervision, but little attention has been paid to supervisors’ motives for engaging in abusive behavior. This is an important gap in the literature because the consequences of abusive supervision are likely to differ depending on its attributed motive. The current study extends the literature on abusive supervision by refining the attributed motives of abusive supervision and by examining how the attributed motives influence the negative effects of abusive supervision on leader–member exchange (LMX) and withdrawal behaviors (work withdrawal and job withdrawal). Specifically, we develop a conditional process model of abusive supervision which suggests that the negative relationship between abusive supervision and LMX is moderated by the attributed motives of abusive supervision (three motives: injury initiation, performance pressure, and personal disposition to abuse). Our results also suggest that lowered LMX resulting from abusive supervision increases victims’ work withdrawal and job withdrawal behaviors as moderated by organizational tenure. Using quantitative and qualitative data from 139 victims of abuse, we test the proposed model.

Examining Sex Discrimination Experiences: A Multi-level Signaling Theory Perspective

In this study, we examine the impact of organizational-level and individual-level signals on sex discrimination experiences, job satisfaction, and turnover intentions in a sample of South Korean fe...