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Journal : Academia Open

Lead and Cadmium Levels in Urine of Sanitation Workers: Kadar Timbal dan Kadmium pada Urine Petugas Kebersihan Mochamad Hidayah; Galuh Ratmana Hanum
Academia Open Vol. 8 No. 2 (2023): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.8.2023.4069

Abstract

General Background the exposure of waste management workers to heavy metals, particularly lead (Pb) and cadmium (Cd), poses significant health risks, especially among active and passive smokers. Specific Background this study aims to assess the levels of Pb and Cd in the urine of cleaning personnel working in waste disposal areas, distinguishing between active and passive smokers. Knowledge Gap limited research exists on the impact of smoking status on heavy metal accumulation in waste management workers. Aims the research focuses on determining the concentration of Pb and Cd in urine samples and understanding the potential health implications. Results findings indicate that the highest Pb level was 0.113 mg/L in passive smokers, while the lowest was 0.031 mg/L in active smokers. Novelty the study highlights the lack of correlation between Pb and Cd levels among active and passive smokers in this population. Implications these results underscore the need for regular monitoring of heavy metal exposure among waste management workers to mitigate health risks associated with environmental contaminants. Highlights: The highest lead concentration found in urine samples of passive smokers was 0.113 mg/L. All measured levels of lead and cadmium were below the established safety thresholds. No significant correlation was observed between lead and cadmium levels in active and passive smokers. Keywords: Lead, Cadmium, Waste Management, Urine Analysis, Heavy Metals
Explanatory Research Knowledge Sharing and Knowledge heterogeneity on Higher Education Business performance through Learning Value Sharing: Explanatory Riset Knowledge Sharing dan Knowledge heterogeneity terhadap kinerja Bisnis Perguruan Tinggi melalui Sharing Value Pembelajaran Sumartik Sumartik; Muhammad Yani; Galuh Ratmana Hanum; Dhea Ariesta Putri; Nur Laili Maulidiyah
Academia Open Vol. 8 No. 2 (2023): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/acopen.8.2023.7218

Abstract

This study investigates the optimization of Knowledge Heterogeneity among practitioners in higher education through the dissemination of diverse expertise via the Practitioner-Led Teaching Program. The research, conducted within the context of the Kampus Merdeka initiative, employs a quantitative approach grounded in the positivist paradigm, complemented by structured interviews with practitioners to bolster questionnaire item indicators. Data was collected using saturated sampling from a population of 30 educators spanning 29 programs at a university. Employing SEM PLS analysis, the findings underscore that the sharing of knowledge and practitioner expertise significantly heightens academic performance, as manifested by an 87% enhancement in shared value across learning activities. This research underscores the pivotal role of practitioner engagement in enriching educational quality and aligning curricula with industry demands, thereby fostering valuable implications for educational institutions worldwide. Highlights: Optimizing Knowledge Diversity: Investigating the impact of diverse practitioner expertise on higher education outcomes. Practitioner-Led Engagement: Emphasizing the role of practitioners in enriching academic quality and relevance. Enhanced Academic Performance: Demonstrating an 87% increase in shared value through knowledge exchange, contributing to improved learning activities and educational outcomes. Keywords: Knowledge Heterogeneity, Practitioner-Led Teaching, Value Sharing, Higher Education, Academic Performance.