As a response to rising concerns about school violence, the Korean National Police Agency began recruiting specialized police officers, called Korean School Police Officers (KSPOs), in hopes that they would reduce in school behavioral and delinquency problems. The current study provides insight into the effects of crime prevention activities in Korean schools, using the 2014 Korean Youth Victimization Survey to advance the knowledge about the role of the KSPOs and their potential impact on delinquency reduction. Results indicate that the presence of KSPOs did not have any significant association with criminal victimization or fear of victimization. In some cases, the presence of KSPOs is associated with higher property crime by students. Implications of these findings for understanding KSPOs and their roles in preventing school crime and improving school environments are discussed. In addition, we discuss how lessons learned from the U.S. may influence future advancements in KSPO approaches and vice versa.
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http://dx.doi.org/10.1177/0306624X20946933 | DOI Listing |
Adv Sci (Weinh)
January 2025
Department of General Surgery, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230036, P. R. China.
Black phosphorus (BP) has demonstrated potential as a drug carrier and photothermal agent in cancer therapy; however, its intrinsic functions in cancer treatment remain underexplored. This study investigates the immunomodulatory effects of polyethylene glycol-functionalized BP (BP-PEG) nanosheets in breast cancer models. Using immunocompetent mouse models-including 4T1 orthotopic BALB/c mice and MMTV-PyMT transgenic mice, it is found that BP-PEG significantly inhibits tumor growth and metastasis without directly inducing cytotoxicity in tumor cells.
View Article and Find Full Text PDFFront Mol Biosci
January 2025
Department of Forensic Medicine, Medical University of Bialystok, Bialystok, Poland.
Introduction: Accurate post-mortem interval (PMI) estimation is essential in forensic investigations. Although various methods for PMI determination have been developed, only an approximate estimation is still achievable, and an accurate PMI indication is still challenging. Therefore, in this study, we employed gas chromatography-mass spectrometry (GC-MS)-based metabolomics to assess post-mortem changes in porcine blood samples collected with and without the addition of anticoagulant (EDTA).
View Article and Find Full Text PDFResusc Plus
January 2025
Department of Anesthesiology and Intensive Care Medicine, Medical University of Innsbruck, 6020 Innsbruck, Austria.
Trauma care prioritizes life-threatening conditions using the ABCDE algorithm based on the principle "treat first what kills first". As for catastrophic hemorrhage, a leading preventable cause of death in trauma, modifications of this algorithm are necessary in specific cases. In cold climates, life-threatening hypothermia poses additional challenges.
View Article and Find Full Text PDFBMC Psychol
January 2025
School of Physical Education, South China University of Technology, Guangdong, Guangzhou, P.R. China.
Objective: Prior studies have shown that parental psychological control is linked to an increased risk of mobile phone addiction. Nevertheless, few studies have analyzed the potential mechanisms that may mediate or moderate this association. This study aims to investigate the role of loneliness as a mediator in the relationship between parental psychological control and mobile phone addiction, as well as the potential moderating effect of physical activity on this mediation process.
View Article and Find Full Text PDFBMC Public Health
January 2025
Centre for Medicine and Society, University of Freiburg, Freiburg, Germany.
Background: Internal displacement and cross-country migration are an increasing global phenomenon drawing the attention of politicians and the public. Causes and effects on the migrants and receptor populations are varied and often shaped by immigration laws and how migrants and refugees are being dealt with by local conditions, policy frameworks and by the host population (receptors). The massive influx of Venezuelan migrants into Colombia for more than a decade has characteristics which warrant a systematic analysis to identify contextual and individual factors favouring and hindering the well-being of migrants and their new Colombian neighbours of the receptor population.
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