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In recent years, multicultural families are increasing in Korea. In such multicultural families, there may be language and interpersonal difficulties that affect the children. Given the possibility of real problems affecting academics and the potential for bias, the perceptions of parents and teachers is of vital importance. In this study, parents' and teachers’evaluations of problem behaviors of 405 elementary school students were collected on the Korean Child Behavior Checklist and the Korean Teacher's Report Form. Studies have shown that parents in multicultural families tend to rate their children's problems more seriously than in mono cultural families in the areas of Withdrawal/Depressed, Attention Problems, and Rule-Breaking Behaviors.Teachers rated boys from multicultural families as more problematic with Withdrawal/Depressed, Attention Problems, Rule-Breaking Behaviors, and overall scores than boys from monocultural families. Parents tended to take their child's problematic behaviors more seriously than teachers.In general, younger students were found to be more vulnerable to behavioral problems. This may indicate that an intervention is needed to help the children acculturate.

In recent decades, concerns about increasing biological and environmental contamination have necessitated the development of chemosensors with high selectivity, sensitivity, and cost-effectiveness. In principle, the sensing performance can be affected by the functional group(s) of receptor, the charge of the metal ion(s), and the electron configuration of the sensing molecule(s)e and metal ion(s). Fine controlling of the substituents can influence the electron density of the receptor to enhance the binding affinity to metal ions, which is an effective way to improve the photophysical properties of the sensors. This review explores the effect of functional group modification on the performance of various chemosensors represented by Pt(dithiolene)-based complexes (2012–2021). Then, recently developed Schiff base chemosensors (2014–2021) are discussed. The Schiff base is a good platform for controlling electron configuration due to a facile synthesis of various organic structures (aldehyde or ketone groups with primary amine derivatives). The discussion focuses on the detection type, physicochemical and optical properties, and applications of these chemosensors.

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