Sara Yasina Yusuf
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Preferred name
Sara Yasina Yusuf
Official Name
Sara Yasina, Yusuf
Alternative Name
Yusuf, S. Y.A.
Yusof, Sara Yasina
Yusuf, Sara Yasina
Yusuf, Sara Y.
Yusof, S. Y.
Sara, Y. Y.
Yusuf, S. Y.
Main Affiliation
Scopus Author ID
57221740411
Researcher ID
B-9242-2012

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Assessing the concentration, distribution and characteristics of suspended microplastics in the Malaysian indoor environment

2025-01 , M. Dewika , Kalaimani Markandan , Shalini Nagaratnam , N. Ahmad Irfan , Muhammad Amirul Aizat Mohd Abdah , J. Nor Ruwaida , Sara Yasina Yusuf , Mohammad Khalid

This study examines the concentration, distribution, and characteristics of suspended microplastics (MPs) across various indoor environments in Malaysia, including offices, classrooms, landed homes, and apartments. Over a six-week period, MPs were collected using a vacuum pump and analyzed through gravimetric analysis, stereomicroscopy, and Raman spectroscopy. The results revealed significant variability in MPs concentrations among different locations, with fibers identified as the predominant morphological type. The average counts of MPs in the respective environments were found to be 599 ± 182 in offices, 399 ± 52 in classrooms, 505.17 ± 203.78 in apartments, and 515 ± 134 in landed homes. Statistical analysis indicated no significant differences in MPs counts across the sampled locations. Fibers were consistently the most prevalent shape, followed by films and foams. The MPs were predominantly transparent, with sizes ranging from 101 to 500 μm. Notably, the estimated daily intake (EDI) of MPs was significantly higher in residential settings compared to offices and classrooms, raising potential health concerns regarding prolonged exposure. These findings underscore the pervasive presence of MPs in the Malaysian indoor environment and emphasize the urgent need for further research to identify their sources, assess health impacts, and develop effective mitigation strategies.

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Review of microplastics in the indoor environment: distribution, human exposure and potential health impacts

2023 , M. Dewika , Kalaimani Markandan , N Ahmad Irfan , Muhammad Amirul Aizat Mohd Abdah , J. Nor Ruwaida , Sara Yasina Yusuf , Mohammad Khalid

The emergence of microplastics (MPs) pollution as a global environmental concern has attracted significant attention in the last decade. The majority of the human population spends most of their time indoors, leading to increased exposure to MPs contamination through various sources such as settled dust, air, drinking water and food. Although research on indoor MPs has intensified significantly in recent years, comprehensive reviews on this topic remain limited. Therefore, this review comprehensively analyses the occurrence, distribution, human exposure, potential health impact and mitigation strategies of MPs in the indoor air environment. Specifically, we focus on the risks associated with finer MPs that can translocate into the circulatory system and other organs, emphasizing the need for continued research to develop effective strategies to mitigate the risks associated with MPs exposure. Our findings suggest that indoor MPs impose potential risk to human health, and strategies for mitigating exposure should be further explored.

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